feat(jdk8): move files to new folder to avoid resources compiled.

This commit is contained in:
2025-09-07 15:25:52 +08:00
parent 3f0047bf6f
commit 8c35cfb1c0
17415 changed files with 217 additions and 213 deletions

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/*
* Copyright (c) 1996, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package java.awt.datatransfer;
import java.awt.EventQueue;
import java.util.Set;
import java.util.HashSet;
import java.util.Arrays;
import java.io.IOException;
import sun.awt.EventListenerAggregate;
/**
* A class that implements a mechanism to transfer data using
* cut/copy/paste operations.
* <p>
* {@link FlavorListener}s may be registered on an instance of the
* Clipboard class to be notified about changes to the set of
* {@link DataFlavor}s available on this clipboard (see
* {@link #addFlavorListener}).
*
* @see java.awt.Toolkit#getSystemClipboard
* @see java.awt.Toolkit#getSystemSelection
*
* @author Amy Fowler
* @author Alexander Gerasimov
*/
public class Clipboard {
String name;
protected ClipboardOwner owner;
protected Transferable contents;
/**
* An aggregate of flavor listeners registered on this local clipboard.
*
* @since 1.5
*/
private EventListenerAggregate flavorListeners;
/**
* A set of <code>DataFlavor</code>s that is available on
* this local clipboard. It is used for tracking changes
* of <code>DataFlavor</code>s available on this clipboard.
*
* @since 1.5
*/
private Set<DataFlavor> currentDataFlavors;
/**
* Creates a clipboard object.
*
* @see java.awt.Toolkit#getSystemClipboard
*/
public Clipboard(String name) {
this.name = name;
}
/**
* Returns the name of this clipboard object.
*
* @see java.awt.Toolkit#getSystemClipboard
*/
public String getName() {
return name;
}
/**
* Sets the current contents of the clipboard to the specified
* transferable object and registers the specified clipboard owner
* as the owner of the new contents.
* <p>
* If there is an existing owner different from the argument
* <code>owner</code>, that owner is notified that it no longer
* holds ownership of the clipboard contents via an invocation
* of <code>ClipboardOwner.lostOwnership()</code> on that owner.
* An implementation of <code>setContents()</code> is free not
* to invoke <code>lostOwnership()</code> directly from this method.
* For example, <code>lostOwnership()</code> may be invoked later on
* a different thread. The same applies to <code>FlavorListener</code>s
* registered on this clipboard.
* <p>
* The method throws <code>IllegalStateException</code> if the clipboard
* is currently unavailable. For example, on some platforms, the system
* clipboard is unavailable while it is accessed by another application.
*
* @param contents the transferable object representing the
* clipboard content
* @param owner the object which owns the clipboard content
* @throws IllegalStateException if the clipboard is currently unavailable
* @see java.awt.Toolkit#getSystemClipboard
*/
public synchronized void setContents(Transferable contents, ClipboardOwner owner) {
final ClipboardOwner oldOwner = this.owner;
final Transferable oldContents = this.contents;
this.owner = owner;
this.contents = contents;
if (oldOwner != null && oldOwner != owner) {
EventQueue.invokeLater(new Runnable() {
public void run() {
oldOwner.lostOwnership(Clipboard.this, oldContents);
}
});
}
fireFlavorsChanged();
}
/**
* Returns a transferable object representing the current contents
* of the clipboard. If the clipboard currently has no contents,
* it returns <code>null</code>. The parameter Object requestor is
* not currently used. The method throws
* <code>IllegalStateException</code> if the clipboard is currently
* unavailable. For example, on some platforms, the system clipboard is
* unavailable while it is accessed by another application.
*
* @param requestor the object requesting the clip data (not used)
* @return the current transferable object on the clipboard
* @throws IllegalStateException if the clipboard is currently unavailable
* @see java.awt.Toolkit#getSystemClipboard
*/
public synchronized Transferable getContents(Object requestor) {
return contents;
}
/**
* Returns an array of <code>DataFlavor</code>s in which the current
* contents of this clipboard can be provided. If there are no
* <code>DataFlavor</code>s available, this method returns a zero-length
* array.
*
* @return an array of <code>DataFlavor</code>s in which the current
* contents of this clipboard can be provided
*
* @throws IllegalStateException if this clipboard is currently unavailable
*
* @since 1.5
*/
public DataFlavor[] getAvailableDataFlavors() {
Transferable cntnts = getContents(null);
if (cntnts == null) {
return new DataFlavor[0];
}
return cntnts.getTransferDataFlavors();
}
/**
* Returns whether or not the current contents of this clipboard can be
* provided in the specified <code>DataFlavor</code>.
*
* @param flavor the requested <code>DataFlavor</code> for the contents
*
* @return <code>true</code> if the current contents of this clipboard
* can be provided in the specified <code>DataFlavor</code>;
* <code>false</code> otherwise
*
* @throws NullPointerException if <code>flavor</code> is <code>null</code>
* @throws IllegalStateException if this clipboard is currently unavailable
*
* @since 1.5
*/
public boolean isDataFlavorAvailable(DataFlavor flavor) {
if (flavor == null) {
throw new NullPointerException("flavor");
}
Transferable cntnts = getContents(null);
if (cntnts == null) {
return false;
}
return cntnts.isDataFlavorSupported(flavor);
}
/**
* Returns an object representing the current contents of this clipboard
* in the specified <code>DataFlavor</code>.
* The class of the object returned is defined by the representation
* class of <code>flavor</code>.
*
* @param flavor the requested <code>DataFlavor</code> for the contents
*
* @return an object representing the current contents of this clipboard
* in the specified <code>DataFlavor</code>
*
* @throws NullPointerException if <code>flavor</code> is <code>null</code>
* @throws IllegalStateException if this clipboard is currently unavailable
* @throws UnsupportedFlavorException if the requested <code>DataFlavor</code>
* is not available
* @throws IOException if the data in the requested <code>DataFlavor</code>
* can not be retrieved
*
* @see DataFlavor#getRepresentationClass
*
* @since 1.5
*/
public Object getData(DataFlavor flavor)
throws UnsupportedFlavorException, IOException {
if (flavor == null) {
throw new NullPointerException("flavor");
}
Transferable cntnts = getContents(null);
if (cntnts == null) {
throw new UnsupportedFlavorException(flavor);
}
return cntnts.getTransferData(flavor);
}
/**
* Registers the specified <code>FlavorListener</code> to receive
* <code>FlavorEvent</code>s from this clipboard.
* If <code>listener</code> is <code>null</code>, no exception
* is thrown and no action is performed.
*
* @param listener the listener to be added
*
* @see #removeFlavorListener
* @see #getFlavorListeners
* @see FlavorListener
* @see FlavorEvent
* @since 1.5
*/
public synchronized void addFlavorListener(FlavorListener listener) {
if (listener == null) {
return;
}
if (flavorListeners == null) {
currentDataFlavors = getAvailableDataFlavorSet();
flavorListeners = new EventListenerAggregate(FlavorListener.class);
}
flavorListeners.add(listener);
}
/**
* Removes the specified <code>FlavorListener</code> so that it no longer
* receives <code>FlavorEvent</code>s from this <code>Clipboard</code>.
* This method performs no function, nor does it throw an exception, if
* the listener specified by the argument was not previously added to this
* <code>Clipboard</code>.
* If <code>listener</code> is <code>null</code>, no exception
* is thrown and no action is performed.
*
* @param listener the listener to be removed
*
* @see #addFlavorListener
* @see #getFlavorListeners
* @see FlavorListener
* @see FlavorEvent
* @since 1.5
*/
public synchronized void removeFlavorListener(FlavorListener listener) {
if (listener == null || flavorListeners == null) {
return;
}
flavorListeners.remove(listener);
}
/**
* Returns an array of all the <code>FlavorListener</code>s currently
* registered on this <code>Clipboard</code>.
*
* @return all of this clipboard's <code>FlavorListener</code>s or an empty
* array if no listeners are currently registered
* @see #addFlavorListener
* @see #removeFlavorListener
* @see FlavorListener
* @see FlavorEvent
* @since 1.5
*/
public synchronized FlavorListener[] getFlavorListeners() {
return flavorListeners == null ? new FlavorListener[0] :
(FlavorListener[])flavorListeners.getListenersCopy();
}
/**
* Checks change of the <code>DataFlavor</code>s and, if necessary,
* notifies all listeners that have registered interest for notification
* on <code>FlavorEvent</code>s.
*
* @since 1.5
*/
private void fireFlavorsChanged() {
if (flavorListeners == null) {
return;
}
Set<DataFlavor> prevDataFlavors = currentDataFlavors;
currentDataFlavors = getAvailableDataFlavorSet();
if (prevDataFlavors.equals(currentDataFlavors)) {
return;
}
FlavorListener[] flavorListenerArray =
(FlavorListener[])flavorListeners.getListenersInternal();
for (int i = 0; i < flavorListenerArray.length; i++) {
final FlavorListener listener = flavorListenerArray[i];
EventQueue.invokeLater(new Runnable() {
public void run() {
listener.flavorsChanged(new FlavorEvent(Clipboard.this));
}
});
}
}
/**
* Returns a set of <code>DataFlavor</code>s currently available
* on this clipboard.
*
* @return a set of <code>DataFlavor</code>s currently available
* on this clipboard
*
* @since 1.5
*/
private Set<DataFlavor> getAvailableDataFlavorSet() {
Set<DataFlavor> set = new HashSet<>();
Transferable contents = getContents(null);
if (contents != null) {
DataFlavor[] flavors = contents.getTransferDataFlavors();
if (flavors != null) {
set.addAll(Arrays.asList(flavors));
}
}
return set;
}
}

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/*
* Copyright (c) 1996, 2002, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package java.awt.datatransfer;
/**
* Defines the interface for classes that will provide data to
* a clipboard. An instance of this interface becomes the owner
* of the contents of a clipboard (clipboard owner) if it is
* passed as an argument to
* {@link java.awt.datatransfer.Clipboard#setContents} method of
* the clipboard and this method returns successfully.
* The instance remains the clipboard owner until another application
* or another object within this application asserts ownership
* of this clipboard.
*
* @see java.awt.datatransfer.Clipboard
*
* @author Amy Fowler
*/
public interface ClipboardOwner {
/**
* Notifies this object that it is no longer the clipboard owner.
* This method will be called when another application or another
* object within this application asserts ownership of the clipboard.
*
* @param clipboard the clipboard that is no longer owned
* @param contents the contents which this owner had placed on the clipboard
*/
public void lostOwnership(Clipboard clipboard, Transferable contents);
}

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/*
* Copyright (c) 2003, 2006, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package java.awt.datatransfer;
import java.util.EventObject;
/**
* <code>FlavorEvent</code> is used to notify interested parties
* that available {@link DataFlavor}s have changed in the
* {@link Clipboard} (the event source).
*
* @see FlavorListener
*
* @author Alexander Gerasimov
* @since 1.5
*/
public class FlavorEvent extends EventObject {
/**
* Constructs a <code>FlavorEvent</code> object.
*
* @param source the <code>Clipboard</code> that is the source of the event
*
* @throws IllegalArgumentException if the {@code source} is {@code null}
*/
public FlavorEvent(Clipboard source) {
super(source);
}
}

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/*
* Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package java.awt.datatransfer;
import java.util.EventListener;
/**
* Defines an object which listens for {@link FlavorEvent}s.
*
* @author Alexander Gerasimov
* @since 1.5
*/
public interface FlavorListener extends EventListener {
/**
* Invoked when the target {@link Clipboard} of the listener
* has changed its available {@link DataFlavor}s.
* <p>
* Some notifications may be redundant &#151; they are not
* caused by a change of the set of DataFlavors available
* on the clipboard.
* For example, if the clipboard subsystem supposes that
* the system clipboard's contents has been changed but it
* can't ascertain whether its DataFlavors have been changed
* because of some exceptional condition when accessing the
* clipboard, the notification is sent to ensure from omitting
* a significant notification. Ordinarily, those redundant
* notifications should be occasional.
*
* @param e a <code>FlavorEvent</code> object
*/
void flavorsChanged(FlavorEvent e);
}

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/*
* Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package java.awt.datatransfer;
import java.util.Map;
/**
* A two-way Map between "natives" (Strings), which correspond to platform-
* specific data formats, and "flavors" (DataFlavors), which correspond to
* platform-independent MIME types. FlavorMaps need not be symmetric, but
* typically are.
*
*
* @since 1.2
*/
public interface FlavorMap {
/**
* Returns a <code>Map</code> of the specified <code>DataFlavor</code>s to
* their corresponding <code>String</code> native. The returned
* <code>Map</code> is a modifiable copy of this <code>FlavorMap</code>'s
* internal data. Client code is free to modify the <code>Map</code>
* without affecting this object.
*
* @param flavors an array of <code>DataFlavor</code>s which will be the
* key set of the returned <code>Map</code>. If <code>null</code> is
* specified, a mapping of all <code>DataFlavor</code>s currently
* known to this <code>FlavorMap</code> to their corresponding
* <code>String</code> natives will be returned.
* @return a <code>java.util.Map</code> of <code>DataFlavor</code>s to
* <code>String</code> natives
*/
Map<DataFlavor,String> getNativesForFlavors(DataFlavor[] flavors);
/**
* Returns a <code>Map</code> of the specified <code>String</code> natives
* to their corresponding <code>DataFlavor</code>. The returned
* <code>Map</code> is a modifiable copy of this <code>FlavorMap</code>'s
* internal data. Client code is free to modify the <code>Map</code>
* without affecting this object.
*
* @param natives an array of <code>String</code>s which will be the
* key set of the returned <code>Map</code>. If <code>null</code> is
* specified, a mapping of all <code>String</code> natives currently
* known to this <code>FlavorMap</code> to their corresponding
* <code>DataFlavor</code>s will be returned.
* @return a <code>java.util.Map</code> of <code>String</code> natives to
* <code>DataFlavor</code>s
*/
Map<String,DataFlavor> getFlavorsForNatives(String[] natives);
}

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/*
* Copyright (c) 2000, 2004, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package java.awt.datatransfer;
import java.util.List;
/**
* A FlavorMap which relaxes the traditional 1-to-1 restriction of a Map. A
* flavor is permitted to map to any number of natives, and likewise a native
* is permitted to map to any number of flavors. FlavorTables need not be
* symmetric, but typically are.
*
* @author David Mendenhall
*
* @since 1.4
*/
public interface FlavorTable extends FlavorMap {
/**
* Returns a <code>List</code> of <code>String</code> natives to which the
* specified <code>DataFlavor</code> corresponds. The <code>List</code>
* will be sorted from best native to worst. That is, the first native will
* best reflect data in the specified flavor to the underlying native
* platform. The returned <code>List</code> is a modifiable copy of this
* <code>FlavorTable</code>'s internal data. Client code is free to modify
* the <code>List</code> without affecting this object.
*
* @param flav the <code>DataFlavor</code> whose corresponding natives
* should be returned. If <code>null</code> is specified, all
* natives currently known to this <code>FlavorTable</code> are
* returned in a non-deterministic order.
* @return a <code>java.util.List</code> of <code>java.lang.String</code>
* objects which are platform-specific representations of platform-
* specific data formats
*/
List<String> getNativesForFlavor(DataFlavor flav);
/**
* Returns a <code>List</code> of <code>DataFlavor</code>s to which the
* specified <code>String</code> corresponds. The <code>List</code> will be
* sorted from best <code>DataFlavor</code> to worst. That is, the first
* <code>DataFlavor</code> will best reflect data in the specified
* native to a Java application. The returned <code>List</code> is a
* modifiable copy of this <code>FlavorTable</code>'s internal data.
* Client code is free to modify the <code>List</code> without affecting
* this object.
*
* @param nat the native whose corresponding <code>DataFlavor</code>s
* should be returned. If <code>null</code> is specified, all
* <code>DataFlavor</code>s currently known to this
* <code>FlavorTable</code> are returned in a non-deterministic
* order.
* @return a <code>java.util.List</code> of <code>DataFlavor</code>
* objects into which platform-specific data in the specified,
* platform-specific native can be translated
*/
List<DataFlavor> getFlavorsForNative(String nat);
}

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/*
* Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package java.awt.datatransfer;
import java.io.ByteArrayOutputStream;
import java.io.Externalizable;
import java.io.ObjectOutput;
import java.io.ObjectInput;
import java.io.IOException;
import java.util.Enumeration;
import java.util.Locale;
/**
* A Multipurpose Internet Mail Extension (MIME) type, as defined
* in RFC 2045 and 2046.
*
* THIS IS *NOT* - REPEAT *NOT* - A PUBLIC CLASS! DataFlavor IS
* THE PUBLIC INTERFACE, AND THIS IS PROVIDED AS A ***PRIVATE***
* (THAT IS AS IN *NOT* PUBLIC) HELPER CLASS!
*/
class MimeType implements Externalizable, Cloneable {
/*
* serialization support
*/
static final long serialVersionUID = -6568722458793895906L;
/**
* Constructor for externalization; this constructor should not be
* called directly by an application, since the result will be an
* uninitialized, immutable <code>MimeType</code> object.
*/
public MimeType() {
}
/**
* Builds a <code>MimeType</code> from a <code>String</code>.
*
* @param rawdata text used to initialize the <code>MimeType</code>
* @throws NullPointerException if <code>rawdata</code> is null
*/
public MimeType(String rawdata) throws MimeTypeParseException {
parse(rawdata);
}
/**
* Builds a <code>MimeType</code> with the given primary and sub
* type but has an empty parameter list.
*
* @param primary the primary type of this <code>MimeType</code>
* @param sub the subtype of this <code>MimeType</code>
* @throws NullPointerException if either <code>primary</code> or
* <code>sub</code> is null
*/
public MimeType(String primary, String sub) throws MimeTypeParseException {
this(primary, sub, new MimeTypeParameterList());
}
/**
* Builds a <code>MimeType</code> with a pre-defined
* and valid (or empty) parameter list.
*
* @param primary the primary type of this <code>MimeType</code>
* @param sub the subtype of this <code>MimeType</code>
* @param mtpl the requested parameter list
* @throws NullPointerException if either <code>primary</code>,
* <code>sub</code> or <code>mtpl</code> is null
*/
public MimeType(String primary, String sub, MimeTypeParameterList mtpl) throws
MimeTypeParseException {
// check to see if primary is valid
if(isValidToken(primary)) {
primaryType = primary.toLowerCase(Locale.ENGLISH);
} else {
throw new MimeTypeParseException("Primary type is invalid.");
}
// check to see if sub is valid
if(isValidToken(sub)) {
subType = sub.toLowerCase(Locale.ENGLISH);
} else {
throw new MimeTypeParseException("Sub type is invalid.");
}
parameters = (MimeTypeParameterList)mtpl.clone();
}
public int hashCode() {
// We sum up the hash codes for all of the strings. This
// way, the order of the strings is irrelevant
int code = 0;
code += primaryType.hashCode();
code += subType.hashCode();
code += parameters.hashCode();
return code;
} // hashCode()
/**
* <code>MimeType</code>s are equal if their primary types,
* subtypes, and parameters are all equal. No default values
* are taken into account.
* @param thatObject the object to be evaluated as a
* <code>MimeType</code>
* @return <code>true</code> if <code>thatObject</code> is
* a <code>MimeType</code>; otherwise returns <code>false</code>
*/
public boolean equals(Object thatObject) {
if (!(thatObject instanceof MimeType)) {
return false;
}
MimeType that = (MimeType)thatObject;
boolean isIt =
((this.primaryType.equals(that.primaryType)) &&
(this.subType.equals(that.subType)) &&
(this.parameters.equals(that.parameters)));
return isIt;
} // equals()
/**
* A routine for parsing the MIME type out of a String.
*
* @throws NullPointerException if <code>rawdata</code> is null
*/
private void parse(String rawdata) throws MimeTypeParseException {
int slashIndex = rawdata.indexOf('/');
int semIndex = rawdata.indexOf(';');
if((slashIndex < 0) && (semIndex < 0)) {
// neither character is present, so treat it
// as an error
throw new MimeTypeParseException("Unable to find a sub type.");
} else if((slashIndex < 0) && (semIndex >= 0)) {
// we have a ';' (and therefore a parameter list),
// but no '/' indicating a sub type is present
throw new MimeTypeParseException("Unable to find a sub type.");
} else if((slashIndex >= 0) && (semIndex < 0)) {
// we have a primary and sub type but no parameter list
primaryType = rawdata.substring(0,slashIndex).
trim().toLowerCase(Locale.ENGLISH);
subType = rawdata.substring(slashIndex + 1).
trim().toLowerCase(Locale.ENGLISH);
parameters = new MimeTypeParameterList();
} else if (slashIndex < semIndex) {
// we have all three items in the proper sequence
primaryType = rawdata.substring(0, slashIndex).
trim().toLowerCase(Locale.ENGLISH);
subType = rawdata.substring(slashIndex + 1,
semIndex).trim().toLowerCase(Locale.ENGLISH);
parameters = new
MimeTypeParameterList(rawdata.substring(semIndex));
} else {
// we have a ';' lexically before a '/' which means we have a primary type
// & a parameter list but no sub type
throw new MimeTypeParseException("Unable to find a sub type.");
}
// now validate the primary and sub types
// check to see if primary is valid
if(!isValidToken(primaryType)) {
throw new MimeTypeParseException("Primary type is invalid.");
}
// check to see if sub is valid
if(!isValidToken(subType)) {
throw new MimeTypeParseException("Sub type is invalid.");
}
}
/**
* Retrieve the primary type of this object.
*/
public String getPrimaryType() {
return primaryType;
}
/**
* Retrieve the sub type of this object.
*/
public String getSubType() {
return subType;
}
/**
* Retrieve a copy of this object's parameter list.
*/
public MimeTypeParameterList getParameters() {
return (MimeTypeParameterList)parameters.clone();
}
/**
* Retrieve the value associated with the given name, or null if there
* is no current association.
*/
public String getParameter(String name) {
return parameters.get(name);
}
/**
* Set the value to be associated with the given name, replacing
* any previous association.
*
* @throw IllegalArgumentException if parameter or value is illegal
*/
public void setParameter(String name, String value) {
parameters.set(name, value);
}
/**
* Remove any value associated with the given name.
*
* @throw IllegalArgumentExcpetion if parameter may not be deleted
*/
public void removeParameter(String name) {
parameters.remove(name);
}
/**
* Return the String representation of this object.
*/
public String toString() {
return getBaseType() + parameters.toString();
}
/**
* Return a String representation of this object
* without the parameter list.
*/
public String getBaseType() {
return primaryType + "/" + subType;
}
/**
* Returns <code>true</code> if the primary type and the
* subtype of this object are the same as the specified
* <code>type</code>; otherwise returns <code>false</code>.
*
* @param type the type to compare to <code>this</code>'s type
* @return <code>true</code> if the primary type and the
* subtype of this object are the same as the
* specified <code>type</code>; otherwise returns
* <code>false</code>
*/
public boolean match(MimeType type) {
if (type == null)
return false;
return primaryType.equals(type.getPrimaryType())
&& (subType.equals("*")
|| type.getSubType().equals("*")
|| (subType.equals(type.getSubType())));
}
/**
* Returns <code>true</code> if the primary type and the
* subtype of this object are the same as the content type
* described in <code>rawdata</code>; otherwise returns
* <code>false</code>.
*
* @param rawdata the raw data to be examined
* @return <code>true</code> if the primary type and the
* subtype of this object are the same as the content type
* described in <code>rawdata</code>; otherwise returns
* <code>false</code>; if <code>rawdata</code> is
* <code>null</code>, returns <code>false</code>
*/
public boolean match(String rawdata) throws MimeTypeParseException {
if (rawdata == null)
return false;
return match(new MimeType(rawdata));
}
/**
* The object implements the writeExternal method to save its contents
* by calling the methods of DataOutput for its primitive values or
* calling the writeObject method of ObjectOutput for objects, strings
* and arrays.
* @exception IOException Includes any I/O exceptions that may occur
*/
public void writeExternal(ObjectOutput out) throws IOException {
String s = toString(); // contains ASCII chars only
// one-to-one correspondence between ASCII char and byte in UTF string
if (s.length() <= 65535) { // 65535 is max length of UTF string
out.writeUTF(s);
} else {
out.writeByte(0);
out.writeByte(0);
out.writeInt(s.length());
out.write(s.getBytes());
}
}
/**
* The object implements the readExternal method to restore its
* contents by calling the methods of DataInput for primitive
* types and readObject for objects, strings and arrays. The
* readExternal method must read the values in the same sequence
* and with the same types as were written by writeExternal.
* @exception ClassNotFoundException If the class for an object being
* restored cannot be found.
*/
public void readExternal(ObjectInput in) throws IOException,
ClassNotFoundException {
String s = in.readUTF();
if (s == null || s.length() == 0) { // long mime type
ByteArrayOutputStream baos = new ByteArrayOutputStream();
int len = in.readInt();
while (len-- > 0) {
baos.write(in.readByte());
}
s = baos.toString();
}
try {
parse(s);
} catch(MimeTypeParseException e) {
throw new IOException(e.toString());
}
}
/**
* Returns a clone of this object.
* @return a clone of this object
*/
public Object clone() {
MimeType newObj = null;
try {
newObj = (MimeType)super.clone();
} catch (CloneNotSupportedException cannotHappen) {
}
newObj.parameters = (MimeTypeParameterList)parameters.clone();
return newObj;
}
private String primaryType;
private String subType;
private MimeTypeParameterList parameters;
// below here be scary parsing related things
/**
* Determines whether or not a given character belongs to a legal token.
*/
private static boolean isTokenChar(char c) {
return ((c > 040) && (c < 0177)) && (TSPECIALS.indexOf(c) < 0);
}
/**
* Determines whether or not a given string is a legal token.
*
* @throws NullPointerException if <code>s</code> is null
*/
private boolean isValidToken(String s) {
int len = s.length();
if(len > 0) {
for (int i = 0; i < len; ++i) {
char c = s.charAt(i);
if (!isTokenChar(c)) {
return false;
}
}
return true;
} else {
return false;
}
}
/**
* A string that holds all the special chars.
*/
private static final String TSPECIALS = "()<>@,;:\\\"/[]?=";
} // class MimeType

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@@ -0,0 +1,404 @@
/*
* Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package java.awt.datatransfer;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
/**
* An object that encapsulates the parameter list of a MimeType
* as defined in RFC 2045 and 2046.
*
* @author jeff.dunn@eng.sun.com
*/
class MimeTypeParameterList implements Cloneable {
/**
* Default constructor.
*/
public MimeTypeParameterList() {
parameters = new Hashtable<>();
}
public MimeTypeParameterList(String rawdata)
throws MimeTypeParseException
{
parameters = new Hashtable<>();
// now parse rawdata
parse(rawdata);
}
public int hashCode() {
int code = Integer.MAX_VALUE/45; // "random" value for empty lists
String paramName = null;
Enumeration<String> enum_ = this.getNames();
while (enum_.hasMoreElements()) {
paramName = enum_.nextElement();
code += paramName.hashCode();
code += this.get(paramName).hashCode();
}
return code;
} // hashCode()
/**
* Two parameter lists are considered equal if they have exactly
* the same set of parameter names and associated values. The
* order of the parameters is not considered.
*/
public boolean equals(Object thatObject) {
//System.out.println("MimeTypeParameterList.equals("+this+","+thatObject+")");
if (!(thatObject instanceof MimeTypeParameterList)) {
return false;
}
MimeTypeParameterList that = (MimeTypeParameterList)thatObject;
if (this.size() != that.size()) {
return false;
}
String name = null;
String thisValue = null;
String thatValue = null;
Set<Map.Entry<String, String>> entries = parameters.entrySet();
Iterator<Map.Entry<String, String>> iterator = entries.iterator();
Map.Entry<String, String> entry = null;
while (iterator.hasNext()) {
entry = iterator.next();
name = entry.getKey();
thisValue = entry.getValue();
thatValue = that.parameters.get(name);
if ((thisValue == null) || (thatValue == null)) {
// both null -> equal, only one null -> not equal
if (thisValue != thatValue) {
return false;
}
} else if (!thisValue.equals(thatValue)) {
return false;
}
} // while iterator
return true;
} // equals()
/**
* A routine for parsing the parameter list out of a String.
*/
protected void parse(String rawdata) throws MimeTypeParseException {
int length = rawdata.length();
if(length > 0) {
int currentIndex = skipWhiteSpace(rawdata, 0);
int lastIndex = 0;
if(currentIndex < length) {
char currentChar = rawdata.charAt(currentIndex);
while ((currentIndex < length) && (currentChar == ';')) {
String name;
String value;
boolean foundit;
// eat the ';'
++currentIndex;
// now parse the parameter name
// skip whitespace
currentIndex = skipWhiteSpace(rawdata, currentIndex);
if(currentIndex < length) {
// find the end of the token char run
lastIndex = currentIndex;
currentChar = rawdata.charAt(currentIndex);
while((currentIndex < length) && isTokenChar(currentChar)) {
++currentIndex;
currentChar = rawdata.charAt(currentIndex);
}
name = rawdata.substring(lastIndex, currentIndex).toLowerCase();
// now parse the '=' that separates the name from the value
// skip whitespace
currentIndex = skipWhiteSpace(rawdata, currentIndex);
if((currentIndex < length) && (rawdata.charAt(currentIndex) == '=')) {
// eat it and parse the parameter value
++currentIndex;
// skip whitespace
currentIndex = skipWhiteSpace(rawdata, currentIndex);
if(currentIndex < length) {
// now find out whether or not we have a quoted value
currentChar = rawdata.charAt(currentIndex);
if(currentChar == '"') {
// yup it's quoted so eat it and capture the quoted string
++currentIndex;
lastIndex = currentIndex;
if(currentIndex < length) {
// find the next unescqped quote
foundit = false;
while((currentIndex < length) && !foundit) {
currentChar = rawdata.charAt(currentIndex);
if(currentChar == '\\') {
// found an escape sequence so pass this and the next character
currentIndex += 2;
} else if(currentChar == '"') {
// foundit!
foundit = true;
} else {
++currentIndex;
}
}
if(currentChar == '"') {
value = unquote(rawdata.substring(lastIndex, currentIndex));
// eat the quote
++currentIndex;
} else {
throw new MimeTypeParseException("Encountered unterminated quoted parameter value.");
}
} else {
throw new MimeTypeParseException("Encountered unterminated quoted parameter value.");
}
} else if(isTokenChar(currentChar)) {
// nope it's an ordinary token so it ends with a non-token char
lastIndex = currentIndex;
foundit = false;
while((currentIndex < length) && !foundit) {
currentChar = rawdata.charAt(currentIndex);
if(isTokenChar(currentChar)) {
++currentIndex;
} else {
foundit = true;
}
}
value = rawdata.substring(lastIndex, currentIndex);
} else {
// it ain't a value
throw new MimeTypeParseException("Unexpected character encountered at index " + currentIndex);
}
// now put the data into the hashtable
parameters.put(name, value);
} else {
throw new MimeTypeParseException("Couldn't find a value for parameter named " + name);
}
} else {
throw new MimeTypeParseException("Couldn't find the '=' that separates a parameter name from its value.");
}
} else {
throw new MimeTypeParseException("Couldn't find parameter name");
}
// setup the next iteration
currentIndex = skipWhiteSpace(rawdata, currentIndex);
if(currentIndex < length) {
currentChar = rawdata.charAt(currentIndex);
}
}
if(currentIndex < length) {
throw new MimeTypeParseException("More characters encountered in input than expected.");
}
}
}
}
/**
* return the number of name-value pairs in this list.
*/
public int size() {
return parameters.size();
}
/**
* Determine whether or not this list is empty.
*/
public boolean isEmpty() {
return parameters.isEmpty();
}
/**
* Retrieve the value associated with the given name, or null if there
* is no current association.
*/
public String get(String name) {
return parameters.get(name.trim().toLowerCase());
}
/**
* Set the value to be associated with the given name, replacing
* any previous association.
*/
public void set(String name, String value) {
parameters.put(name.trim().toLowerCase(), value);
}
/**
* Remove any value associated with the given name.
*/
public void remove(String name) {
parameters.remove(name.trim().toLowerCase());
}
/**
* Retrieve an enumeration of all the names in this list.
*/
public Enumeration<String> getNames() {
return parameters.keys();
}
public String toString() {
// Heuristic: 8 characters per field
StringBuilder buffer = new StringBuilder(parameters.size() * 16);
Enumeration<String> keys = parameters.keys();
while(keys.hasMoreElements())
{
buffer.append("; ");
String key = keys.nextElement();
buffer.append(key);
buffer.append('=');
buffer.append(quote(parameters.get(key)));
}
return buffer.toString();
}
/**
* @return a clone of this object
*/
public Object clone() {
MimeTypeParameterList newObj = null;
try {
newObj = (MimeTypeParameterList)super.clone();
} catch (CloneNotSupportedException cannotHappen) {
}
newObj.parameters = (Hashtable)parameters.clone();
return newObj;
}
private Hashtable<String, String> parameters;
// below here be scary parsing related things
/**
* Determine whether or not a given character belongs to a legal token.
*/
private static boolean isTokenChar(char c) {
return ((c > 040) && (c < 0177)) && (TSPECIALS.indexOf(c) < 0);
}
/**
* return the index of the first non white space character in
* rawdata at or after index i.
*/
private static int skipWhiteSpace(String rawdata, int i) {
int length = rawdata.length();
if (i < length) {
char c = rawdata.charAt(i);
while ((i < length) && Character.isWhitespace(c)) {
++i;
c = rawdata.charAt(i);
}
}
return i;
}
/**
* A routine that knows how and when to quote and escape the given value.
*/
private static String quote(String value) {
boolean needsQuotes = false;
// check to see if we actually have to quote this thing
int length = value.length();
for(int i = 0; (i < length) && !needsQuotes; ++i) {
needsQuotes = !isTokenChar(value.charAt(i));
}
if(needsQuotes) {
StringBuilder buffer = new StringBuilder((int)(length * 1.5));
// add the initial quote
buffer.append('"');
// add the properly escaped text
for(int i = 0; i < length; ++i) {
char c = value.charAt(i);
if((c == '\\') || (c == '"')) {
buffer.append('\\');
}
buffer.append(c);
}
// add the closing quote
buffer.append('"');
return buffer.toString();
}
else
{
return value;
}
}
/**
* A routine that knows how to strip the quotes and escape sequences from the given value.
*/
private static String unquote(String value) {
int valueLength = value.length();
StringBuilder buffer = new StringBuilder(valueLength);
boolean escaped = false;
for(int i = 0; i < valueLength; ++i) {
char currentChar = value.charAt(i);
if(!escaped && (currentChar != '\\')) {
buffer.append(currentChar);
} else if(escaped) {
buffer.append(currentChar);
escaped = false;
} else {
escaped = true;
}
}
return buffer.toString();
}
/**
* A string that holds all the special chars.
*/
private static final String TSPECIALS = "()<>@,;:\\\"/[]?=";
}

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@@ -0,0 +1,55 @@
/*
* Copyright (c) 1997, 2006, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package java.awt.datatransfer;
/**
* A class to encapsulate MimeType parsing related exceptions
*
* @serial exclude
* @since 1.3
*/
public class MimeTypeParseException extends Exception {
// use serialVersionUID from JDK 1.2.2 for interoperability
private static final long serialVersionUID = -5604407764691570741L;
/**
* Constructs a MimeTypeParseException with no specified detail message.
*/
public MimeTypeParseException() {
super();
}
/**
* Constructs a MimeTypeParseException with the specified detail message.
*
* @param s the detail message.
*/
public MimeTypeParseException(String s) {
super(s);
}
} // class MimeTypeParseException

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@@ -0,0 +1,141 @@
/*
* Copyright (c) 1996, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package java.awt.datatransfer;
import java.io.*;
/**
* A <code>Transferable</code> which implements the capability required
* to transfer a <code>String</code>.
*
* This <code>Transferable</code> properly supports
* <code>DataFlavor.stringFlavor</code>
* and all equivalent flavors. Support for
* <code>DataFlavor.plainTextFlavor</code>
* and all equivalent flavors is <b>deprecated</b>. No other
* <code>DataFlavor</code>s are supported.
*
* @see java.awt.datatransfer.DataFlavor#stringFlavor
* @see java.awt.datatransfer.DataFlavor#plainTextFlavor
*/
public class StringSelection implements Transferable, ClipboardOwner {
private static final int STRING = 0;
private static final int PLAIN_TEXT = 1;
private static final DataFlavor[] flavors = {
DataFlavor.stringFlavor,
DataFlavor.plainTextFlavor // deprecated
};
private String data;
/**
* Creates a <code>Transferable</code> capable of transferring
* the specified <code>String</code>.
*/
public StringSelection(String data) {
this.data = data;
}
/**
* Returns an array of flavors in which this <code>Transferable</code>
* can provide the data. <code>DataFlavor.stringFlavor</code>
* is properly supported.
* Support for <code>DataFlavor.plainTextFlavor</code> is
* <b>deprecated</b>.
*
* @return an array of length two, whose elements are <code>DataFlavor.
* stringFlavor</code> and <code>DataFlavor.plainTextFlavor</code>
*/
public DataFlavor[] getTransferDataFlavors() {
// returning flavors itself would allow client code to modify
// our internal behavior
return (DataFlavor[])flavors.clone();
}
/**
* Returns whether the requested flavor is supported by this
* <code>Transferable</code>.
*
* @param flavor the requested flavor for the data
* @return true if <code>flavor</code> is equal to
* <code>DataFlavor.stringFlavor</code> or
* <code>DataFlavor.plainTextFlavor</code>; false if <code>flavor</code>
* is not one of the above flavors
* @throws NullPointerException if flavor is <code>null</code>
*/
public boolean isDataFlavorSupported(DataFlavor flavor) {
// JCK Test StringSelection0003: if 'flavor' is null, throw NPE
for (int i = 0; i < flavors.length; i++) {
if (flavor.equals(flavors[i])) {
return true;
}
}
return false;
}
/**
* Returns the <code>Transferable</code>'s data in the requested
* <code>DataFlavor</code> if possible. If the desired flavor is
* <code>DataFlavor.stringFlavor</code>, or an equivalent flavor,
* the <code>String</code> representing the selection is
* returned. If the desired flavor is
* <code>DataFlavor.plainTextFlavor</code>,
* or an equivalent flavor, a <code>Reader</code> is returned.
* <b>Note:</b> The behavior of this method for
* <code>DataFlavor.plainTextFlavor</code>
* and equivalent <code>DataFlavor</code>s is inconsistent with the
* definition of <code>DataFlavor.plainTextFlavor</code>.
*
* @param flavor the requested flavor for the data
* @return the data in the requested flavor, as outlined above
* @throws UnsupportedFlavorException if the requested data flavor is
* not equivalent to either <code>DataFlavor.stringFlavor</code>
* or <code>DataFlavor.plainTextFlavor</code>
* @throws IOException if an IOException occurs while retrieving the data.
* By default, StringSelection never throws this exception, but a
* subclass may.
* @throws NullPointerException if flavor is <code>null</code>
* @see java.io.Reader
*/
public Object getTransferData(DataFlavor flavor)
throws UnsupportedFlavorException, IOException
{
// JCK Test StringSelection0007: if 'flavor' is null, throw NPE
if (flavor.equals(flavors[STRING])) {
return (Object)data;
} else if (flavor.equals(flavors[PLAIN_TEXT])) {
return new StringReader(data == null ? "" : data);
} else {
throw new UnsupportedFlavorException(flavor);
}
}
public void lostOwnership(Clipboard clipboard, Transferable contents) {
}
}

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/*
* Copyright (c) 1996, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package java.awt.datatransfer;
import java.io.IOException;
/**
* Defines the interface for classes that can be used to provide data
* for a transfer operation.
* <p>
* For information on using data transfer with Swing, see
* <a href="https://docs.oracle.com/javase/tutorial/uiswing/dnd/index.html">
* How to Use Drag and Drop and Data Transfer</a>,
* a section in <em>The Java Tutorial</em>, for more information.
*
* @author Amy Fowler
*/
public interface Transferable {
/**
* Returns an array of DataFlavor objects indicating the flavors the data
* can be provided in. The array should be ordered according to preference
* for providing the data (from most richly descriptive to least descriptive).
* @return an array of data flavors in which this data can be transferred
*/
public DataFlavor[] getTransferDataFlavors();
/**
* Returns whether or not the specified data flavor is supported for
* this object.
* @param flavor the requested flavor for the data
* @return boolean indicating whether or not the data flavor is supported
*/
public boolean isDataFlavorSupported(DataFlavor flavor);
/**
* Returns an object which represents the data to be transferred. The class
* of the object returned is defined by the representation class of the flavor.
*
* @param flavor the requested flavor for the data
* @see DataFlavor#getRepresentationClass
* @exception IOException if the data is no longer available
* in the requested flavor.
* @exception UnsupportedFlavorException if the requested data flavor is
* not supported.
*/
public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException, IOException;
}

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/*
* Copyright (c) 1996, 2000, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package java.awt.datatransfer;
/**
* Signals that the requested data is not supported in this flavor.
* @see Transferable#getTransferData
*
* @author Amy Fowler
*/
public class UnsupportedFlavorException extends Exception {
/*
* JDK 1.1 serialVersionUID
*/
private static final long serialVersionUID = 5383814944251665601L;
/**
* Constructs an UnsupportedFlavorException.
*
* @param flavor the flavor object which caused the exception. May
* be <code>null</code>.
*/
public UnsupportedFlavorException(DataFlavor flavor) {
super((flavor != null) ? flavor.getHumanPresentableName() : null);
}
}