/*
* Copyright 2001-2004 The Apache Software Foundation.
*
* Licensed 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.axis.encoding.ser;
import org.apache.axis.components.logger.LogFactory;
import org.apache.axis.encoding.DeserializationContext;
import org.apache.axis.encoding.Deserializer;
import org.apache.axis.encoding.DeserializerImpl;
import org.apache.axis.encoding.DeserializerTarget;
import org.apache.axis.message.SOAPHandler;
import org.apache.axis.utils.Messages;
import org.apache.commons.logging.Log;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import javax.xml.namespace.QName;
import java.util.Vector;
/**
* Deserializer for SOAP Vectors for compatibility with SOAP 2.2.
*
* @author Carsten Ziegeler (cziegeler@apache.org)
* Modified by @author Rich scheuerle <scheu@us.ibm.com>
*/
public class VectorDeserializer extends DeserializerImpl
{
protected static Log log =
LogFactory.getLog(VectorDeserializer.class.getName());
public int curIndex = 0;
/**
* This method is invoked after startElement when the element requires
* deserialization (i.e. the element is not an href and the value is not nil.)
*
* Simply creates
* @param namespace is the namespace of the element
* @param localName is the name of the element
* @param prefix is the prefix of the element
* @param attributes are the attributes on the element...used to get the type
* @param context is the DeserializationContext
*/
public void onStartElement(String namespace, String localName,
String prefix, Attributes attributes,
DeserializationContext context)
throws SAXException {
if (log.isDebugEnabled()) {
log.debug("Enter: VectorDeserializer::startElement()");
}
if (context.isNil(attributes)) {
return;
}
// Create a vector to hold the deserialized values.
setValue(new java.util.Vector());
if (log.isDebugEnabled()) {
log.debug("Exit: VectorDeserializer::startElement()");
}
}
/**
* onStartChild is called on each child element.
*
* @param namespace is the namespace of the child element
* @param localName is the local name of the child element
* @param prefix is the prefix used on the name of the child element
* @param attributes are the attributes of the child element
* @param context is the deserialization context.
* @return is a Deserializer to use to deserialize a child (must be
* a derived class of SOAPHandler) or null if no deserialization should
* be performed.
*/
public SOAPHandler onStartChild(String namespace,
String localName,
String prefix,
Attributes attributes,
DeserializationContext context)
throws SAXException {
if (log.isDebugEnabled()) {
log.debug("Enter: VectorDeserializer::onStartChild()");
}
if (attributes == null)
throw new SAXException(Messages.getMessage("noType01"));
// If the xsi:nil attribute, set the value to null and return since
// there is nothing to deserialize.
if (context.isNil(attributes)) {
setChildValue(null, new Integer(curIndex++));
return null;
}
// Get the type
QName itemType = context.getTypeFromAttributes(namespace,
localName,
attributes);
// Get the deserializer
Deserializer dSer = null;
if (itemType != null) {
dSer = context.getDeserializerForType(itemType);
}
if (dSer == null) {
dSer = new DeserializerImpl();
}
// When the value is deserialized, inform us.
// Need to pass the index because multi-ref stuff may
// result in the values being deserialized in a different order.
dSer.registerValueTarget(new DeserializerTarget(this, new Integer(curIndex)));
curIndex++;
if (log.isDebugEnabled()) {
log.debug("Exit: VectorDeserializer::onStartChild()");
}
// Let the framework know that we aren't complete until this guy
// is complete.
addChildDeserializer(dSer);
return (SOAPHandler)dSer;
}
/**
* The registerValueTarget code above causes this set function to be invoked when
* each value is known.
* @param value is the value of an element
* @param hint is an Integer containing the index
*/
public void setChildValue(Object value, Object hint) throws SAXException
{
if (log.isDebugEnabled()) {
log.debug(Messages.getMessage("gotValue00", "VectorDeserializer", "" + value));
}
int offset = ((Integer)hint).intValue();
Vector v = (Vector)this.value;
// If the vector is too small, grow it
if (offset >= v.size()) {
v.setSize(offset+1);
}
v.setElementAt(value, offset);
}
}
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