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A processor for parsing, validating, serializing and manipulating XML, written in Java
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.xerces.impl.dv.util;
import java.util.AbstractList;
import org.apache.xerces.xs.XSException;
import org.apache.xerces.xs.datatypes.ByteList;
/**
* Implementation of org.apache.xerces.xs.datatypes.ByteList
.
*
* @xerces.internal
*
* @author Ankit Pasricha, IBM
*
* @version $Id$
*/
public class ByteListImpl extends AbstractList implements ByteList {
// actually data stored in a byte array
protected final byte[] data;
// canonical representation of the data
protected String canonical;
public ByteListImpl(byte[] data) {
this.data = data;
}
/**
* The number of byte
s in the list. The range of
* valid child object indices is 0 to length-1
inclusive.
*/
public int getLength() {
return data.length;
}
/**
* Checks if the byte
item
is a
* member of this list.
* @param item byte
whose presence in this list
* is to be tested.
* @return True if this list contains the byte
* item
.
*/
public boolean contains(byte item) {
for (int i = 0; i < data.length; ++i) {
if (data[i] == item) {
return true;
}
}
return false;
}
/**
* Returns the index
th item in the collection. The index
* starts at 0.
* @param index index into the collection.
* @return The byte
at the index
th
* position in the ByteList
.
* @exception XSException
* INDEX_SIZE_ERR: if index
is greater than or equal to the
* number of objects in the list.
*/
public byte item(int index)
throws XSException {
if(index < 0 || index > data.length - 1) {
throw new XSException(XSException.INDEX_SIZE_ERR, null);
}
return data[index];
}
/*
* List methods
*/
public Object get(int index) {
if (index >= 0 && index < data.length) {
return new Byte(data[index]);
}
throw new IndexOutOfBoundsException("Index: " + index);
}
public int size() {
return getLength();
}
public byte[] toByteArray() {
byte[] ret = new byte[data.length];
System.arraycopy(data, 0, ret, 0, data.length);
return ret;
}
}