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Java example source code file (XSObjectListImpl.java)
The XSObjectListImpl.java Java example source code/*
* reserved comment block
* DO NOT REMOVE OR ALTER!
*/
/*
* Copyright 2002,2003-2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.sun.org.apache.xerces.internal.impl.xs.util;
import java.lang.reflect.Array;
import java.util.AbstractList;
import java.util.Iterator;
import java.util.ListIterator;
import java.util.NoSuchElementException;
import com.sun.org.apache.xerces.internal.xs.XSObject;
import com.sun.org.apache.xerces.internal.xs.XSObjectList;
/**
* Containts a list of XSObject's.
*
* @xerces.internal
*
* @author Sandy Gao, IBM
*
* @version $Id: XSObjectListImpl.java,v 1.7 2010-11-01 04:40:06 joehw Exp $
*/
public class XSObjectListImpl extends AbstractList implements XSObjectList {
/**
* An immutable empty list.
*/
public static final XSObjectListImpl EMPTY_LIST = new XSObjectListImpl(new XSObject[0], 0);
private static final ListIterator EMPTY_ITERATOR = new ListIterator() {
public boolean hasNext() {
return false;
}
public Object next() {
throw new NoSuchElementException();
}
public boolean hasPrevious() {
return false;
}
public Object previous() {
throw new NoSuchElementException();
}
public int nextIndex() {
return 0;
}
public int previousIndex() {
return -1;
}
public void remove() {
throw new UnsupportedOperationException();
}
public void set(Object object) {
throw new UnsupportedOperationException();
}
public void add(Object object) {
throw new UnsupportedOperationException();
}
};
private static final int DEFAULT_SIZE = 4;
// The array to hold all data
private XSObject[] fArray = null;
// Number of elements in this list
private int fLength = 0;
public XSObjectListImpl() {
fArray = new XSObject[DEFAULT_SIZE];
fLength = 0;
}
/**
* Construct an XSObjectList implementation
*
* @param array the data array
* @param length the number of elements
*/
public XSObjectListImpl(XSObject[] array, int length) {
fArray = array;
fLength = length;
}
/**
* The number of <code>XSObjects in the list. The range of valid
* child node indices is 0 to <code>length-1 inclusive.
*/
public int getLength() {
return fLength;
}
/**
* Returns the <code>indexth item in the collection. The index
* starts at 0. If <code>index is greater than or equal to the
* number of nodes in the list, this returns <code>null.
* @param index index into the collection.
* @return The XSObject at the <code>indexth position in the
* <code>XSObjectList, or
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