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Java > Open Source Codes > org > jboss > axis > encoding > ser > JAFDataHandlerSerializer


1 /*
2  * The Apache Software License, Version 1.1
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4  *
5  * Copyright (c) 2001-2003 The Apache Software Foundation. All rights
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24  * Alternately, this acknowledgment may appear in the software itself,
25  * if and wherever such third-party acknowledgments normally appear.
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27  * 4. The names "Axis" and "Apache Software Foundation" must
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55
56 package org.jboss.axis.encoding.ser;
57
58 import org.jboss.axis.Constants;
59 import org.jboss.axis.Part;
60 import org.jboss.axis.attachments.Attachments;
61 import org.jboss.axis.encoding.SerializationContext;
62 import org.jboss.axis.encoding.Serializer;
63 import org.jboss.axis.soap.SOAPConstants;
64 import org.jboss.axis.utils.Messages;
65 import org.jboss.axis.wsdl.fromJava.Types;
66 import org.jboss.logging.Logger;
67 import org.w3c.dom.Element JavaDoc;
68 import org.xml.sax.Attributes JavaDoc;
69 import org.xml.sax.helpers.AttributesImpl JavaDoc;
70
71 import javax.activation.DataHandler JavaDoc;
72 import javax.xml.namespace.QName JavaDoc;
73 import java.io.IOException JavaDoc;
74
75 /**
76  * JAFDataHandler Serializer
77  *
78  * @author Rick Rineholt
79  * Modified by Rich Scheuerle <scheu@us.ibm.com>
80  */
81 public class JAFDataHandlerSerializer implements Serializer
82 {
83
84    private static Logger log = Logger.getLogger(JAFDataHandlerSerializer.class.getName());
85
86    /**
87     * Serialize a JAF DataHandler quantity.
88     */
89    public void serialize(QName JavaDoc name, Attributes JavaDoc attributes,
90                          Object JavaDoc value, SerializationContext context)
91            throws IOException JavaDoc
92    {
93       DataHandler JavaDoc dh = (DataHandler JavaDoc)value;
94       //Add the attachment content to the message.
95 Attachments attachments = context.getCurrentMessage().getAttachmentsImpl();
96
97       if (attachments == null)
98       {
99          // Attachments apparently aren't supported.
100 // Instead of throwing NullPointerException like
101 // we used to do, throw something meaningful.
102 throw new IOException JavaDoc(Messages.getMessage("noAttachments"));
103       }
104       SOAPConstants soapConstants = context.getMessageContext().getSOAPConstants();
105       Part attachmentPart = attachments.createAttachmentPart(dh);
106
107       AttributesImpl JavaDoc attrs = new AttributesImpl JavaDoc();
108       if (attributes != null && 0 < attributes.getLength())
109          attrs.setAttributes(attributes); //copy the existing ones.
110
111       int typeIndex = -1;
112       if ((typeIndex = attrs.getIndex(Constants.URI_DEFAULT_SCHEMA_XSI,
113               "type")) != -1)
114       {
115
116          //Found a xsi:type which should not be there for attachments.
117 attrs.removeAttribute(typeIndex);
118       }
119
120       boolean doTheDIME = false;
121       if (attachments.getSendType() == Attachments.SEND_TYPE_DIME)
122          doTheDIME = true;
123
124       attrs.addAttribute("", soapConstants.getAttrHref(), soapConstants.getAttrHref(),
125               "CDATA", doTheDIME ? attachmentPart.getContentId() : attachmentPart.getContentIdRef());
126
127       context.startElement(name, attrs);
128       context.endElement(); //There is no data to so end the element.
129 }
130
131    public String JavaDoc getMechanismType()
132    {
133       return Constants.AXIS_SAX;
134    }
135
136    /**
137     * Return XML schema for the specified type, suitable for insertion into
138     * the &lt;types&gt; element of a WSDL document, or underneath an
139     * &lt;element&gt; or &lt;attribute&gt; declaration.
140     *
141     * @param javaType the Java Class we're writing out schema for
142     * @param types the Java2WSDL Types object which holds the context
143     * for the WSDL being generated.
144     * @return a type element containing a schema simpleType/complexType
145     * @see org.jboss.axis.wsdl.fromJava.Types
146     */
147    public Element JavaDoc writeSchema(Class JavaDoc javaType, Types types) throws Exception JavaDoc
148    {
149       return null;
150    }
151 }
152
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