I think BeanSerializer/Deserializer is the better way, too, but if you
want your example to work, here is a way.
R J Scheuerle Jr schrieb:
>
> Why can't you just extend the existing BeanSerializer/Deserializer?
>
> Or please explain what you are trying to do which the existing serializers
> can't do.
>
> Why don't you try using BeanPropertyTarget instead of ValueTarget or
> MethodTarget ?
BeanPropertyTarget is not public.
> Rich Scheuerle
> XML & Web Services Development
> 512-838-5115 (IBM TL 678-5115)
>
>
> David Turner
> <[EMAIL PROTECTED] To: [EMAIL PROTECTED]
> .mit.edu> cc:
> Subject: Deserializer (MethodTarget,
>FieldTarget)
> 04/05/2002 08:32
> AM
> Please respond to
> axis-dev
>
>
>
> I've posted a couple of messages already both to the user and dev lists,
> but got no response.
>
> I've been trying to write my own deserializer for the following simple
> class which is based on your encoding example:
>
> public class Data
> {
> private String name;
> private int age;
>
> public Data() {}
>
> pubic Data(String name, int age)
> {
> this.name = name;
> this.age = age;
> }
>
> public void setName(String name)
> {
> this.name = name;
> }
>
> public String getName() { return this.name; }
>
> public void setAge(int age)
> {
> this.age = age;
> }
>
> public int getAge() { return this.age; }
>
> }
>
> What doesn't work is the parameter to the method registerValueTarget(new
> FieldTarget(value, localname)) or registerValueTarget(new
> MethodTarget(value, methodName)).
>
> Using FieldTarget requires that the class being deserialized have public
> field members. FieldTarget is using Class.getField() which only works on
> public fields.
>
> MethodTarget, on the other hand doesn't work either. I pass in the name
> of the method so it can set the private field, but it can't find it
> because MethodTarget is using Class.getMethod(methodName, Class[] {
> Object.class }). My setters have a String parameter and the other has a
> int parameter. MethodTarget can't find my method because it's looking
> for an Object parameter in the method parm list.
>
> I need to deserialize and serialize some complex objects in my project,
> but this is stopping me. I need to have something that goes beyond the
> BeanSerializer.
>
> I could use some help and/or feedback.
>
> Thanks
>
> David
package samples.encoding;
import org.apache.axis.MessageContext;
import org.apache.axis.encoding.DeserializationContext;
import org.apache.axis.encoding.DeserializationContextImpl;
import org.apache.axis.encoding.SerializationContext;
import org.apache.axis.encoding.SerializationContextImpl;
import org.apache.axis.encoding.TypeMappingRegistry;
import org.apache.axis.encoding.TypeMapping;
import org.apache.axis.Constants;
import org.apache.axis.message.RPCElement;
import org.apache.axis.message.RPCParam;
import org.apache.axis.message.SOAPEnvelope;
import org.apache.axis.server.AxisServer;
import org.xml.sax.InputSource;
import javax.xml.rpc.namespace.QName;
import java.io.FileReader;
import java.io.Reader;
import java.io.StringReader;
import java.io.StringWriter;
import java.io.Writer;
/** Little serialization test with a struct.
*/
public class TestSer2
{
public static final String myNS = "urn:myNS";
public static void main(String args[]) {
MessageContext msgContext = new MessageContext(new AxisServer());
SOAPEnvelope msg = new SOAPEnvelope();
RPCParam arg1 = new RPCParam("urn:myNamespace", "testParam", "this is a
string");
QName data2QName = new QName("typeNS", "Data2");
Data2 data2 = new Data2();
data2.setName("Test name");
data2.setAge(100);
RPCParam arg2 = new RPCParam("", "struct", data2);
RPCElement body = new RPCElement("urn:myNamespace", "method1", new Object[]{
arg1, arg2 });
msg.addBodyElement(body);
try {
Reader reader = null;
if (args.length == 0) {
Writer stringWriter = new StringWriter();
SerializationContext context = new
SerializationContextImpl(stringWriter, msgContext);
TypeMappingRegistry reg = context.getTypeMappingRegistry();
TypeMapping tm = (TypeMapping)
reg.getTypeMapping(Constants.URI_SOAP_ENC);
if (tm == null) {
tm = (TypeMapping) reg.createTypeMapping();
reg.register(Constants.URI_CURRENT_SOAP_ENC, tm);
}
tm.register(Data2.class, data2QName, new Data2SerFactory(), new
Data2DeserFactory());
msg.output(context);
String msgString = stringWriter.toString();
System.out.println("Serialized msg:");
System.out.println(msgString);
System.out.println("-------");
System.out.println("Testing deserialization...");
reader = new StringReader(msgString);
} else {
reader = new FileReader(args[0]);
}
DeserializationContext dser = new DeserializationContextImpl(
new InputSource(reader), msgContext, org.apache.axis.Message.REQUEST);
dser.parse();
SOAPEnvelope env = dser.getEnvelope();
RPCElement rpcElem = (RPCElement)env.getFirstBody();
RPCParam struct = rpcElem.getParam("struct");
if (struct == null)
throw new Exception("No <struct> param");
if (!(struct.getValue() instanceof Data2)) {
System.out.println("Not a Data2 object! ");
System.out.println(struct.getValue());
System.exit(1);
}
Data2 val = (Data2)struct.getValue();
if (val == null)
throw new Exception("No value for struct param");
System.out.println(val.toString());
} catch (Exception e) {
e.printStackTrace();
}
}
}
package samples.encoding;
import org.apache.axis.encoding.DeserializationContext;
import org.apache.axis.encoding.Deserializer;
import org.apache.axis.encoding.DeserializerImpl;
import org.apache.axis.encoding.MethodTarget;
import org.apache.axis.Constants;
import org.apache.axis.message.SOAPHandler;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import javax.xml.rpc.namespace.QName;
import java.io.IOException;
import java.util.Hashtable;
public class Data2Deser extends DeserializerImpl
{
public static final String STRING_MEMBER = "Name";
public static final String INT_MEMBER = "Age";
public static final QName myTypeQName = new QName("typeNS", "Data2");
private Hashtable typesByMemberName = new Hashtable();
public Data2Deser()
{
typesByMemberName.put(STRING_MEMBER, Constants.XSD_STRING);
typesByMemberName.put(INT_MEMBER, Constants.XSD_INT);
value = new Data2();
}
/** DESERIALIZER STUFF - event handlers
*/
/**
* This method is invoked when an element start tag is encountered.
* @param namespace is the namespace of the element
* @param localName is the name of the element
* @param qName is the prefixed qName of the element
* @param attributes are the attributes on the element...used to get the type
* @param context is the DeserializationContext
*/
public SOAPHandler onStartChild(String namespace,
String localName,
String prefix,
Attributes attributes,
DeserializationContext context)
throws SAXException
{
QName typeQName = (QName)typesByMemberName.get(localName);
if (typeQName == null)
throw new SAXException("Invalid element in Data2 struct - " + localName);
// These can come in either order.
Deserializer dSer = context.getDeserializerForType(typeQName);
try {
dSer.registerValueTarget(new MethodTarget(this, "set" + localName));
} catch (NoSuchMethodException e) {
throw new SAXException(e);
}
if (dSer == null)
throw new SAXException("No deserializer for a " + typeQName + "???");
return (SOAPHandler) dSer;
}
public void setName(Object name) {
((Data2)this.value).setName((String) name);
}
public void setAge(Object age) {
((Data2)this.value).setAge(((Integer)age).intValue());
}
}
/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Axis" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact [EMAIL PROTECTED]
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package samples.encoding;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import javax.xml.rpc.namespace.QName;
import java.io.IOException;
import org.apache.axis.encoding.Serializer;
import org.apache.axis.encoding.SerializerFactory;
import org.apache.axis.encoding.SerializationContext;
import org.apache.axis.encoding.Deserializer;
import org.apache.axis.encoding.DeserializerFactory;
import org.apache.axis.encoding.DeserializationContext;
import org.apache.axis.encoding.DeserializerImpl;
import org.apache.axis.Constants;
import java.util.Iterator;
import java.util.Vector;
/**
* DeserializerFactory for DataDeser
*
* @author Rich Scheuerle <[EMAIL PROTECTED]>
*/
public class Data2DeserFactory implements DeserializerFactory {
private Vector mechanisms;
public Data2DeserFactory() {
super();
}
public javax.xml.rpc.encoding.Deserializer getDeserializerAs(String mechanismType)
{
return new Data2Deser();
}
public Iterator getSupportedMechanismTypes() {
if (mechanisms == null) {
mechanisms = new Vector();
mechanisms.add(Constants.AXIS_SAX);
}
return mechanisms.iterator();
}
}
package samples.encoding;
import org.apache.axis.encoding.SerializationContext;
import org.apache.axis.encoding.Serializer;
import org.apache.axis.message.SOAPHandler;
import org.apache.axis.Constants;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.apache.axis.Constants;
import org.apache.axis.wsdl.fromJava.Types;
import javax.xml.rpc.namespace.QName;
import java.io.IOException;
import java.util.Hashtable;
public class Data2Ser implements Serializer
{
public static final String STRING_MEMBER = "Name";
public static final String INT_MEMBER = "Age";
public static final QName myTypeQName = new QName("typeNS", "Data2");
/** SERIALIZER STUFF
*/
/**
* Serialize an element named name, with the indicated attributes
* and value.
* @param name is the element name
* @param attributes are the attributes...serialize 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 Data2))
throw new IOException("Can't serialize a " + value.getClass().getName() +
" with a Data2Serializer.");
Data2 data2 = (Data2)value;
context.startElement(name, attributes);
context.serialize(new QName("", STRING_MEMBER), null, data2.getName(),
String.class);
context.serialize(new QName("", INT_MEMBER), null, new
Integer(data2.getAge()), int.class);
context.endElement();
}
public String getMechanismType() { return Constants.AXIS_SAX; }
/**
* Return XML schema for the specified type, suitable for insertion into
* the <types> element of a WSDL document.
*
* @param types the Java2WSDL Types object which holds the context
* for the WSDL being generated.
* @return true if we wrote a schema, false if we didn't.
* @see org.apache.axis.wsdl.fromJava.Types
*/
public boolean writeSchema(Types types) throws Exception {
return false;
}
}
/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Axis" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact [EMAIL PROTECTED]
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package samples.encoding;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import javax.xml.rpc.namespace.QName;
import java.io.IOException;
import org.apache.axis.encoding.Serializer;
import org.apache.axis.encoding.SerializerFactory;
import org.apache.axis.encoding.SerializationContext;
import org.apache.axis.encoding.Deserializer;
import org.apache.axis.encoding.DeserializerFactory;
import org.apache.axis.encoding.DeserializationContext;
import org.apache.axis.encoding.DeserializerImpl;
import org.apache.axis.Constants;
import java.util.Iterator;
import java.util.Vector;
/**
* SerializerFactory for Data2Ser
*
* @author Rich Scheuerle <[EMAIL PROTECTED]>
*/
public class Data2SerFactory implements SerializerFactory {
private Vector mechanisms;
public Data2SerFactory() {
}
public javax.xml.rpc.encoding.Serializer getSerializerAs(String mechanismType) {
return new Data2Ser();
}
public Iterator getSupportedMechanismTypes() {
if (mechanisms == null) {
mechanisms = new Vector();
mechanisms.add(Constants.AXIS_SAX);
}
return mechanisms.iterator();
}
}
package samples.encoding;
public class Data2
{
private String name;
private int age;
public Data2() {}
public Data2(String name, int age)
{
this.name = name;
this.age = age;
}
public void setName(String name)
{
this.name = name;
}
public String getName() { return this.name; }
public void setAge(int age)
{
this.age = age;
}
public int getAge() { return this.age; }
}
