feat(jdk8): move files to new folder to avoid resources compiled.
This commit is contained in:
@@ -0,0 +1,158 @@
|
||||
/*
|
||||
* Copyright (c) 1997, 2010, 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.xml.internal.xsom.util;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.Collection;
|
||||
import java.util.Iterator;
|
||||
import java.util.List;
|
||||
import java.util.NoSuchElementException;
|
||||
|
||||
/**
|
||||
* {@link Collection} that returns the view of objects which are actually fetched
|
||||
* lazily from an {@link Iterator}.
|
||||
*
|
||||
* @author Kohsuke Kawaguchi
|
||||
*/
|
||||
public class DeferedCollection<T> implements Collection<T> {
|
||||
/**
|
||||
* The iterator that lazily evaluates SCD query.
|
||||
*/
|
||||
private final Iterator<T> result;
|
||||
|
||||
/**
|
||||
* Stores values that are already fetched from {@link #result}.
|
||||
*/
|
||||
private final List<T> archive = new ArrayList<T>();
|
||||
|
||||
public DeferedCollection(Iterator<T> result) {
|
||||
this.result = result;
|
||||
}
|
||||
|
||||
public boolean isEmpty() {
|
||||
if(archive.isEmpty())
|
||||
fetch();
|
||||
return archive.isEmpty();
|
||||
}
|
||||
|
||||
public int size() {
|
||||
fetchAll();
|
||||
return archive.size();
|
||||
}
|
||||
|
||||
public boolean contains(Object o) {
|
||||
if(archive.contains(o))
|
||||
return true;
|
||||
while(result.hasNext()) {
|
||||
T value = result.next();
|
||||
archive.add(value);
|
||||
if(value.equals(o))
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
public boolean containsAll(Collection<?> c) {
|
||||
for (Object o : c) {
|
||||
if(!contains(o))
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
public Iterator<T> iterator() {
|
||||
return new Iterator<T>() {
|
||||
int idx=0;
|
||||
public boolean hasNext() {
|
||||
if(idx<archive.size())
|
||||
return true;
|
||||
return result.hasNext();
|
||||
}
|
||||
|
||||
public T next() {
|
||||
if(idx==archive.size())
|
||||
fetch();
|
||||
if(idx==archive.size())
|
||||
throw new NoSuchElementException();
|
||||
return archive.get(idx++);
|
||||
}
|
||||
|
||||
public void remove() {
|
||||
// TODO
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
public Object[] toArray() {
|
||||
fetchAll();
|
||||
return archive.toArray();
|
||||
}
|
||||
|
||||
public <T>T[] toArray(T[] a) {
|
||||
fetchAll();
|
||||
return archive.toArray(a);
|
||||
}
|
||||
|
||||
|
||||
|
||||
private void fetchAll() {
|
||||
while(result.hasNext())
|
||||
archive.add(result.next());
|
||||
}
|
||||
|
||||
/**
|
||||
* Fetches another item from {@link
|
||||
*/
|
||||
private void fetch() {
|
||||
if(result.hasNext())
|
||||
archive.add(result.next());
|
||||
}
|
||||
|
||||
// mutation methods are unsupported
|
||||
public boolean add(T o) {
|
||||
throw new UnsupportedOperationException();
|
||||
}
|
||||
|
||||
public boolean remove(Object o) {
|
||||
throw new UnsupportedOperationException();
|
||||
}
|
||||
|
||||
public boolean addAll(Collection<? extends T> c) {
|
||||
throw new UnsupportedOperationException();
|
||||
}
|
||||
|
||||
public boolean removeAll(Collection<?> c) {
|
||||
throw new UnsupportedOperationException();
|
||||
}
|
||||
|
||||
public boolean retainAll(Collection<?> c) {
|
||||
throw new UnsupportedOperationException();
|
||||
}
|
||||
|
||||
public void clear() {
|
||||
throw new UnsupportedOperationException();
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user