| /* |
| * 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.uima.adapter.soap; |
| |
| import java.io.IOException; |
| |
| import javax.xml.namespace.QName; |
| |
| import org.apache.axis.Constants; |
| import org.apache.axis.encoding.SerializationContext; |
| import org.apache.axis.encoding.Serializer; |
| import org.apache.axis.wsdl.fromJava.Types; |
| import org.apache.uima.util.XMLizable; |
| import org.w3c.dom.Element; |
| import org.xml.sax.Attributes; |
| import org.xml.sax.SAXException; |
| import org.xml.sax.helpers.DefaultHandler; |
| |
| /** |
| * An Axis serializer for any {@link XMLizable} object. |
| * |
| * |
| */ |
| public class XmlSerializer implements Serializer { |
| |
| private static final long serialVersionUID = 1674801848276745835L; |
| |
| /** |
| * Serialize an element named name, with the indicated attributes and value. |
| * |
| * @param name |
| * is the element name |
| * @param attributes |
| * are the attributes...serializer is free to add more. |
| * @param value |
| * is the value |
| * @param context |
| * is the SerializationContext |
| */ |
| public void serialize(QName name, Attributes attributes, Object value, |
| SerializationContext context) throws IOException { |
| if (value instanceof XMLizable) { |
| try { |
| // System.out.println("AxisResourceServiceSerializer::serialize(" + name + ")"); |
| context.startElement(name, attributes); |
| |
| SerializerContentHandler contentHandler = new SerializerContentHandler(context); |
| ((XMLizable) value).toXML(contentHandler); |
| context.endElement(); |
| } catch (SAXException e) { |
| throw new IOException("SAXException: " + e.getMessage()); |
| } |
| } else { |
| throw new IOException("Can't serialize a " + value.getClass().getName() |
| + " with an XmlSerializer."); |
| } |
| } |
| |
| public String getMechanismType() { |
| return Constants.AXIS_SAX; |
| } |
| |
| /** |
| * @see org.apache.axis.encoding.Serializer#writeSchema(java.lang.Class, |
| * org.apache.axis.wsdl.fromJava.Types) |
| */ |
| public Element writeSchema(Class javaType, Types types) throws Exception { |
| return null; |
| } |
| |
| /** |
| * Inner class that implements SAX ContentHandler and writes events through to the Axis |
| * SerializationContext. |
| * |
| * |
| */ |
| static class SerializerContentHandler extends DefaultHandler { |
| private SerializationContext mContext; |
| |
| SerializerContentHandler(SerializationContext aContext) { |
| mContext = aContext; |
| } |
| |
| /** |
| * @see org.xml.sax.ContentHandler#characters(char[], int, int) |
| */ |
| public void characters(char[] ch, int start, int length) throws SAXException { |
| try { |
| // System.out.println("Calling SerializationContext.writeChars"); |
| mContext.writeChars(ch, start, length); |
| } catch (IOException e) { |
| throw new SAXException("IOException:" + e.getMessage()); |
| } |
| } |
| |
| /** |
| * @see org.xml.sax.ContentHandler#endElement(java.lang.String, java.lang.String, |
| * java.lang.String) |
| */ |
| public void endElement(String uri, String localName, String qName) throws SAXException { |
| try { |
| // System.out.println("Calling SerializationContext.endElement(" + qName + ")"); |
| mContext.endElement(); |
| } catch (IOException e) { |
| throw new SAXException("IOException:" + e.getMessage()); |
| } |
| } |
| |
| /** |
| * @see org.xml.sax.ContentHandler#startElement(java.lang.String, java.lang.String, |
| * java.lang.String, org.xml.sax.Attributes) |
| */ |
| public void startElement(String uri, String localName, String qName, Attributes attributes) |
| throws SAXException { |
| try { |
| // System.out.println("Calling SerializationContext.startElement(" + qName + ")"); |
| mContext.startElement(new QName(uri, localName), attributes); |
| } catch (IOException e) { |
| throw new SAXException("IOException:" + e.getMessage()); |
| } |
| } |
| |
| } |
| } |