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Java > Open Source Codes > org > apache > soap > encoding > xmi > XMIParameterSerializer


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57
58 package org.apache.soap.encoding.xmi;
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  * A <code>ParameterSerializer</code> is used to serialize and deserialize
69  * parameters using the <code>XMI</code> encoding style.
70  *
71  * @author Francisco Curbera (curbera@us.ibm.com)
72  */

73 public class XMIParameterSerializer implements Serializer, Deserializer
74 {
75   XMIDeserializer xmideserializer = new XMIDeserializer();
76   
77   public void marshall(String JavaDoc inScopeEncStyle, Class JavaDoc javaType, Object JavaDoc src,
78                        Object JavaDoc context, Writer sink, NSStack nsStack,
79                        XMLJavaMappingRegistry xjmr, SOAPContext ctx)
80     throws IllegalArgumentException JavaDoc, IOException
81   {
82     nsStack.pushScope();
83
84     Parameter param = (Parameter)src;
85     Class JavaDoc type = param.getType();
86     String JavaDoc name = param.getName();
87     Object JavaDoc value = param.getValue();
88     
89     xjmr.marshall(Constants.NS_URI_XMI_ENC, type, value, name,
90                   sink, nsStack, ctx);
91
92     nsStack.popScope();
93   }
94
95   public Bean unmarshall(String JavaDoc inScopeEncStyle, QName elementType, Node src,
96                          XMLJavaMappingRegistry xjmr, SOAPContext ctx)
97     throws IllegalArgumentException JavaDoc
98   {
99
100     Element paramEl = (Element)src;
101     String JavaDoc name = paramEl.getTagName();
102
103     // special case for Strings
104
if (name.equals("java.lang.String"))
105     {
106       String JavaDoc st = paramEl.getAttribute("value");
107
108       if (st == null)
109         throw new IllegalArgumentException JavaDoc("Unable to unmarshall XMI string.");
110
111       Bean bean = new Bean(java.lang.String JavaDoc.class, new String JavaDoc(st));
112       Parameter parameter = new Parameter(name, bean.type, bean.value, null);
113
114       return new Bean(Parameter.class, parameter);
115     }
116     // special case for nulls
117
else if (name.equals("null"))
118     {
119       String JavaDoc typeName = paramEl.getAttribute("type");
120
121       try
122       {
123         Bean bean = new Bean(Class.forName(typeName), null);
124         Parameter parameter = new Parameter(name, bean.type, bean.value, null);
125
126         return new Bean(Parameter.class, parameter);
127       }
128       catch (Exception JavaDoc e)
129       {
130         throw new IllegalArgumentException JavaDoc("Unable to unmarshall XMI null.");
131       }
132     }
133
134     Bean bean = xmideserializer.unmarshall(Constants.NS_URI_XMI_ENC,
135                                            elementType, paramEl, xjmr, ctx);
136     Parameter parameter = new Parameter(name, bean.type, bean.value, null);
137
138     return new Bean(Parameter.class, parameter);
139
140   }
141 }
142
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