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

jdkSrc/jdk8/com/sun/beans/decoder/DocumentHandler.java

@@ -0,0 +1,411 @@
+/*
+ * Copyright (c) 2008, 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 com.sun.beans.decoder;
+
+import com.sun.beans.finder.ClassFinder;
+
+import java.beans.ExceptionListener;
+
+import java.io.IOException;
+import java.io.StringReader;
+
+import java.lang.ref.Reference;
+import java.lang.ref.WeakReference;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.security.AccessControlContext;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.parsers.SAXParserFactory;
+
+import org.xml.sax.Attributes;
+import org.xml.sax.InputSource;
+import org.xml.sax.SAXException;
+import org.xml.sax.helpers.DefaultHandler;
+
+import sun.misc.SharedSecrets;
+
+/**
+ * The main class to parse JavaBeans XML archive.
+ *
+ * @since 1.7
+ *
+ * @author Sergey A. Malenkov
+ *
+ * @see ElementHandler
+ */
+public final class DocumentHandler extends DefaultHandler {
+    private final AccessControlContext acc = AccessController.getContext();
+    private final Map<String, Class<? extends ElementHandler>> handlers = new HashMap<>();
+    private final Map<String, Object> environment = new HashMap<>();
+    private final List<Object> objects = new ArrayList<>();
+
+    private Reference<ClassLoader> loader;
+    private ExceptionListener listener;
+    private Object owner;
+
+    private ElementHandler handler;
+
+    /**
+     * Creates new instance of document handler.
+     */
+    public DocumentHandler() {
+        setElementHandler("java", JavaElementHandler.class); // NON-NLS: the element name
+        setElementHandler("null", NullElementHandler.class); // NON-NLS: the element name
+        setElementHandler("array", ArrayElementHandler.class); // NON-NLS: the element name
+        setElementHandler("class", ClassElementHandler.class); // NON-NLS: the element name
+        setElementHandler("string", StringElementHandler.class); // NON-NLS: the element name
+        setElementHandler("object", ObjectElementHandler.class); // NON-NLS: the element name
+
+        setElementHandler("void", VoidElementHandler.class); // NON-NLS: the element name
+        setElementHandler("char", CharElementHandler.class); // NON-NLS: the element name
+        setElementHandler("byte", ByteElementHandler.class); // NON-NLS: the element name
+        setElementHandler("short", ShortElementHandler.class); // NON-NLS: the element name
+        setElementHandler("int", IntElementHandler.class); // NON-NLS: the element name
+        setElementHandler("long", LongElementHandler.class); // NON-NLS: the element name
+        setElementHandler("float", FloatElementHandler.class); // NON-NLS: the element name
+        setElementHandler("double", DoubleElementHandler.class); // NON-NLS: the element name
+        setElementHandler("boolean", BooleanElementHandler.class); // NON-NLS: the element name
+
+        // some handlers for new elements
+        setElementHandler("new", NewElementHandler.class); // NON-NLS: the element name
+        setElementHandler("var", VarElementHandler.class); // NON-NLS: the element name
+        setElementHandler("true", TrueElementHandler.class); // NON-NLS: the element name
+        setElementHandler("false", FalseElementHandler.class); // NON-NLS: the element name
+        setElementHandler("field", FieldElementHandler.class); // NON-NLS: the element name
+        setElementHandler("method", MethodElementHandler.class); // NON-NLS: the element name
+        setElementHandler("property", PropertyElementHandler.class); // NON-NLS: the element name
+    }
+
+    /**
+     * Returns the class loader used to instantiate objects.
+     * If the class loader has not been explicitly set
+     * then {@code null} is returned.
+     *
+     * @return the class loader used to instantiate objects
+     */
+    public ClassLoader getClassLoader() {
+        return (this.loader != null)
+                ? this.loader.get()
+                : null;
+    }
+
+    /**
+     * Sets the class loader used to instantiate objects.
+     * If the class loader is not set
+     * then default class loader will be used.
+     *
+     * @param loader  a classloader to use
+     */
+    public void setClassLoader(ClassLoader loader) {
+        this.loader = new WeakReference<ClassLoader>(loader);
+    }
+
+    /**
+     * Returns the exception listener for parsing.
+     * The exception listener is notified
+     * when handler catches recoverable exceptions.
+     * If the exception listener has not been explicitly set
+     * then default exception listener is returned.
+     *
+     * @return the exception listener for parsing
+     */
+    public ExceptionListener getExceptionListener() {
+        return this.listener;
+    }
+
+    /**
+     * Sets the exception listener for parsing.
+     * The exception listener is notified
+     * when handler catches recoverable exceptions.
+     *
+     * @param listener  the exception listener for parsing
+     */
+    public void setExceptionListener(ExceptionListener listener) {
+        this.listener = listener;
+    }
+
+    /**
+     * Returns the owner of this document handler.
+     *
+     * @return the owner of this document handler
+     */
+    public Object getOwner() {
+        return this.owner;
+    }
+
+    /**
+     * Sets the owner of this document handler.
+     *
+     * @param owner  the owner of this document handler
+     */
+    public void setOwner(Object owner) {
+        this.owner = owner;
+    }
+
+    /**
+     * Returns the handler for the element with specified name.
+     *
+     * @param name  the name of the element
+     * @return the corresponding element handler
+     */
+    public Class<? extends ElementHandler> getElementHandler(String name) {
+        Class<? extends ElementHandler> type = this.handlers.get(name);
+        if (type == null) {
+            throw new IllegalArgumentException("Unsupported element: " + name);
+        }
+        return type;
+    }
+
+    /**
+     * Sets the handler for the element with specified name.
+     *
+     * @param name     the name of the element
+     * @param handler  the corresponding element handler
+     */
+    public void setElementHandler(String name, Class<? extends ElementHandler> handler) {
+        this.handlers.put(name, handler);
+    }
+
+    /**
+     * Indicates whether the variable with specified identifier is defined.
+     *
+     * @param id  the identifier
+     * @return @{code true} if the variable is defined;
+     *         @{code false} otherwise
+     */
+    public boolean hasVariable(String id) {
+        return this.environment.containsKey(id);
+    }
+
+    /**
+     * Returns the value of the variable with specified identifier.
+     *
+     * @param id  the identifier
+     * @return the value of the variable
+     */
+    public Object getVariable(String id) {
+        if (!this.environment.containsKey(id)) {
+            throw new IllegalArgumentException("Unbound variable: " + id);
+        }
+        return this.environment.get(id);
+    }
+
+    /**
+     * Sets new value of the variable with specified identifier.
+     *
+     * @param id     the identifier
+     * @param value  new value of the variable
+     */
+    public void setVariable(String id, Object value) {
+        this.environment.put(id, value);
+    }
+
+    /**
+     * Returns the array of readed objects.
+     *
+     * @return the array of readed objects
+     */
+    public Object[] getObjects() {
+        return this.objects.toArray();
+    }
+
+    /**
+     * Adds the object to the list of readed objects.
+     *
+     * @param object  the object that is readed from XML document
+     */
+    void addObject(Object object) {
+        this.objects.add(object);
+    }
+
+    /**
+     * Disables any external entities.
+     */
+    @Override
+    public InputSource resolveEntity(String publicId, String systemId) {
+        return new InputSource(new StringReader(""));
+    }
+
+    /**
+     * Prepares this handler to read objects from XML document.
+     */
+    @Override
+    public void startDocument() {
+        this.objects.clear();
+        this.handler = null;
+    }
+
+    /**
+     * Parses opening tag of XML element
+     * using corresponding element handler.
+     *
+     * @param uri         the namespace URI, or the empty string
+     *                    if the element has no namespace URI or
+     *                    if namespace processing is not being performed
+     * @param localName   the local name (without prefix), or the empty string
+     *                    if namespace processing is not being performed
+     * @param qName       the qualified name (with prefix), or the empty string
+     *                    if qualified names are not available
+     * @param attributes  the attributes attached to the element
+     */
+    @Override
+    public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
+        ElementHandler parent = this.handler;
+        try {
+            this.handler = getElementHandler(qName).newInstance();
+            this.handler.setOwner(this);
+            this.handler.setParent(parent);
+        }
+        catch (Exception exception) {
+            throw new SAXException(exception);
+        }
+        for (int i = 0; i < attributes.getLength(); i++)
+            try {
+                String name = attributes.getQName(i);
+                String value = attributes.getValue(i);
+                this.handler.addAttribute(name, value);
+            }
+            catch (RuntimeException exception) {
+                handleException(exception);
+            }
+
+        this.handler.startElement();
+    }
+
+    /**
+     * Parses closing tag of XML element
+     * using corresponding element handler.
+     *
+     * @param uri        the namespace URI, or the empty string
+     *                   if the element has no namespace URI or
+     *                   if namespace processing is not being performed
+     * @param localName  the local name (without prefix), or the empty string
+     *                   if namespace processing is not being performed
+     * @param qName      the qualified name (with prefix), or the empty string
+     *                   if qualified names are not available
+     */
+    @Override
+    public void endElement(String uri, String localName, String qName) {
+        try {
+            this.handler.endElement();
+        }
+        catch (RuntimeException exception) {
+            handleException(exception);
+        }
+        finally {
+            this.handler = this.handler.getParent();
+        }
+    }
+
+    /**
+     * Parses character data inside XML element.
+     *
+     * @param chars   the array of characters
+     * @param start   the start position in the character array
+     * @param length  the number of characters to use
+     */
+    @Override
+    public void characters(char[] chars, int start, int length) {
+        if (this.handler != null) {
+            try {
+                while (0 < length--) {
+                    this.handler.addCharacter(chars[start++]);
+                }
+            }
+            catch (RuntimeException exception) {
+                handleException(exception);
+            }
+        }
+    }
+
+    /**
+     * Handles an exception using current exception listener.
+     *
+     * @param exception  an exception to handle
+     * @see #setExceptionListener
+     */
+    public void handleException(Exception exception) {
+        if (this.listener == null) {
+            throw new IllegalStateException(exception);
+        }
+        this.listener.exceptionThrown(exception);
+    }
+
+    /**
+     * Starts parsing of the specified input source.
+     *
+     * @param input  the input source to parse
+     */
+    public void parse(final InputSource input) {
+        if ((this.acc == null) && (null != System.getSecurityManager())) {
+            throw new SecurityException("AccessControlContext is not set");
+        }
+        AccessControlContext stack = AccessController.getContext();
+        SharedSecrets.getJavaSecurityAccess().doIntersectionPrivilege(new PrivilegedAction<Void>() {
+            public Void run() {
+                try {
+                    SAXParserFactory.newInstance().newSAXParser().parse(input, DocumentHandler.this);
+                }
+                catch (ParserConfigurationException exception) {
+                    handleException(exception);
+                }
+                catch (SAXException wrapper) {
+                    Exception exception = wrapper.getException();
+                    if (exception == null) {
+                        exception = wrapper;
+                    }
+                    handleException(exception);
+                }
+                catch (IOException exception) {
+                    handleException(exception);
+                }
+                return null;
+            }
+        }, stack, this.acc);
+    }
+
+    /**
+     * Resolves class by name using current class loader.
+     * This method handles exception using current exception listener.
+     *
+     * @param name  the name of the class
+     * @return the object that represents the class
+     */
+    public Class<?> findClass(String name) {
+        try {
+            return ClassFinder.resolveClass(name, getClassLoader());
+        }
+        catch (ClassNotFoundException exception) {
+            handleException(exception);
+            return null;
+        }
+    }
+}