| /* |
| * 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.axiom.om.ds; |
| |
| import org.apache.axiom.om.OMDataSourceExt; |
| import org.apache.axiom.om.OMOutputFormat; |
| import org.apache.axiom.om.util.StAXUtils; |
| |
| import javax.xml.stream.XMLStreamException; |
| import javax.xml.stream.XMLStreamReader; |
| |
| import java.io.CharArrayReader; |
| import java.io.IOException; |
| import java.io.UnsupportedEncodingException; |
| import java.io.Writer; |
| |
| /** |
| * CharArrayDataSource is an example implementation of OMDataSourceExt. |
| * Use it to insert a char[] into an OM Tree. |
| * This data source is useful for placing characters into an OM |
| * tree, instead of having a deeply nested tree. |
| */ |
| public class CharArrayDataSource extends OMDataSourceExtBase { |
| |
| char[] chars = null; |
| |
| /** |
| * Constructor |
| * @param chars |
| */ |
| public CharArrayDataSource(char[] chars) { |
| this.chars = chars; |
| } |
| |
| public void serialize(Writer writer, OMOutputFormat format) throws XMLStreamException { |
| try { |
| writer.write(chars); |
| } catch (UnsupportedEncodingException e) { |
| throw new XMLStreamException(e); |
| } catch (IOException e) { |
| throw new XMLStreamException(e); |
| } |
| } |
| |
| public XMLStreamReader getReader() throws XMLStreamException { |
| CharArrayReader reader = new CharArrayReader(chars); |
| |
| return StAXUtils.createXMLStreamReader(reader); |
| } |
| |
| |
| public Object getObject() { |
| return chars; |
| } |
| |
| public boolean isDestructiveRead() { |
| // Reading chars is not destructive |
| return false; |
| } |
| |
| public boolean isDestructiveWrite() { |
| // Writing chars is not destructive |
| return false; |
| } |
| |
| public byte[] getXMLBytes(String encoding) throws UnsupportedEncodingException { |
| |
| String text = new String(chars); |
| return text.getBytes(encoding); |
| } |
| |
| public void close() { |
| chars = null; |
| } |
| |
| public OMDataSourceExt copy() { |
| // Return shallow copy |
| return new CharArrayDataSource(chars); |
| } |
| } |