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Java > Open Source Codes > org > apache > soap > encoding > literalxml > XMLParameterSerializer


1 /*
2  * The Apache Software License, Version 1.1
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4  *
5  * Copyright (c) 2000 The Apache Software Foundation. All rights
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9  * modification, are permitted provided that the following conditions
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23  * Apache Software Foundation (http://www.apache.org/)."
24  * Alternately, this acknowledgment may appear in the software itself,
25  * if and wherever such third-party acknowledgments normally appear.
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50  * This software consists of voluntary contributions made by many
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52  * originally based on software copyright (c) 2000, International
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55  * <http://www.apache.org/>.
56  */

57
58 package org.apache.soap.encoding.literalxml;
59
60 import java.io.*;
61 import org.w3c.dom.*;
62 import org.apache.soap.util.*;
63 import org.apache.soap.util.xml.*;
64 import org.apache.soap.*;
65 import org.apache.soap.rpc.*;
66
67 /**
68  * An <code>XMLParameterSerializer</code> is used to serialize and deserialize
69  * parameters using the <code>literal xml</code> encoding style. This class
70  * is only capable of serializing/deserializing parameters of type
71  * <code>org.w3c.dom.Element</code>.
72  *
73  * @author Matthew J. Duftler (duftler@us.ibm.com)
74  * @author Sanjiva Weerawarana (sanjiva@watson.ibm.com)
75  */

76 public class XMLParameterSerializer implements Serializer, Deserializer
77 {
78   public void marshall(String JavaDoc inScopeEncStyle, Class JavaDoc javaType, Object JavaDoc src,
79                        Object JavaDoc context, Writer sink, NSStack nsStack,
80                        XMLJavaMappingRegistry xjmr, SOAPContext ctx)
81     throws IllegalArgumentException JavaDoc, IOException
82   {
83     nsStack.pushScope();
84
85     Parameter param = (Parameter)src;
86     Class JavaDoc type = param.getType();
87     String JavaDoc name = param.getName();
88
89     if (type == Element.class)
90     {
91       Element el = (Element)param.getValue();
92
93       sink.write('<' + name);
94
95       if (inScopeEncStyle == null
96           || !inScopeEncStyle.equals(Constants.NS_URI_LITERAL_XML))
97       {
98         // Determine the prefix associated with the NS_URI_SOAP_ENV
99
// namespace URI.
100
String JavaDoc soapEnvNSPrefix = nsStack.getPrefixFromURI(
101           Constants.NS_URI_SOAP_ENV, sink);
102
103         sink.write(' ' + soapEnvNSPrefix + ':' +
104                    Constants.ATTR_ENCODING_STYLE + "=\"" +
105                    Constants.NS_URI_LITERAL_XML + '\"');
106       }
107
108       sink.write('>' + StringUtils.lineSeparator);
109       Utils.marshallNode(el, sink);
110       sink.write(StringUtils.lineSeparator + "</" + name + '>');
111     }
112     else
113     {
114       throw new IllegalArgumentException JavaDoc("I only know how to serialize " +
115                                          "an 'org.w3c.dom.Element'.");
116     }
117
118     nsStack.popScope();
119   }
120
121   public Bean unmarshall(String JavaDoc inScopeEncStyle, QName elementType, Node src,
122                          XMLJavaMappingRegistry xjmr, SOAPContext ctx)
123     throws IllegalArgumentException JavaDoc
124   {
125     Element paramEl = (Element)src;
126     String JavaDoc name = paramEl.getTagName();
127     Element el = DOMUtils.getFirstChildElement(paramEl);
128     Parameter parameter = new Parameter(name,
129                                         Element.class,
130                                         el,
131                                         null);
132
133     return new Bean(Parameter.class, parameter);
134   }
135 }
136
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