| /* |
| * 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.axis2.jaxws.message.util; |
| |
| import org.apache.axiom.om.OMDocument; |
| import org.apache.axiom.om.OMNode; |
| import org.apache.axiom.om.impl.builder.StAXOMBuilder; |
| import org.apache.axiom.om.util.StAXUtils; |
| |
| import javax.xml.stream.XMLStreamException; |
| import javax.xml.stream.XMLStreamReader; |
| import javax.xml.stream.XMLStreamWriter; |
| import java.io.StringWriter; |
| import java.util.Iterator; |
| |
| /** |
| * Reader2Writer This is a simple converter that is constructed with an XMLStreamReader and allows |
| * you to write the contents to an XMLStreamWriter. |
| */ |
| public class Reader2Writer { |
| |
| private XMLStreamReader reader; |
| |
| /** |
| * Construct from a Reader |
| * |
| * @param reader -- the input to the converter |
| */ |
| public Reader2Writer(XMLStreamReader reader) { |
| this.reader = reader; |
| } |
| |
| /** |
| * outputTo the writer. |
| * |
| * @param writer -- the output of the converter |
| */ |
| public void outputTo(XMLStreamWriter writer) throws XMLStreamException { |
| // Using OM to convert the reader to a writer. This seems to be |
| // the safest way to make the conversion, and it promotes code re-use. |
| StAXOMBuilder builder = new StAXOMBuilder(reader); |
| OMDocument omDocument = builder.getDocument(); |
| Iterator it = omDocument.getChildren(); |
| while (it.hasNext()) { |
| OMNode omNode = (OMNode)it.next(); |
| // TODO Using serialize and consume |
| // caused an axiom bug...falling back to serialize |
| // (which is less performant due to om caching) |
| //omNode.serializeAndConsume(writer); |
| omNode.serialize(writer); |
| } |
| // Close the reader |
| reader.close(); |
| } |
| |
| /** |
| * Utility method to write the reader contents to a String |
| * @return String |
| */ |
| public String getAsString() throws XMLStreamException { |
| StringWriter sw = new StringWriter(); |
| XMLStreamWriter writer = StAXUtils.createXMLStreamWriter(sw); |
| |
| // Write the reader to the writer |
| outputTo(writer); |
| |
| // Flush the writer and get the String |
| writer.flush(); |
| sw.flush(); |
| String str = sw.toString(); |
| writer.close(); |
| return str; |
| } |
| } |