/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.xb.binding.sunday.marshalling;
import java.util.Arrays;
import java.util.List;
import javax.xml.namespace.QName;
import org.jboss.xb.binding.Constants;
import org.jboss.xb.binding.JBossXBRuntimeException;
import org.jboss.xb.binding.SimpleTypeBindings;
import org.jboss.xb.binding.Util;
import org.jboss.xb.binding.introspection.FieldInfo;
import org.jboss.xb.binding.metadata.PropertyMetaData;
import org.jboss.xb.binding.sunday.unmarshalling.AttributeBinding;
import org.jboss.xb.binding.sunday.unmarshalling.ElementBinding;
import org.jboss.xb.binding.sunday.unmarshalling.SchemaBinding;
import org.jboss.xb.binding.sunday.unmarshalling.TermBinding;
import org.jboss.xb.binding.sunday.unmarshalling.TypeBinding;
/**
* @author <a href="mailto:alex@jboss.org">Alexey Loubyansky</a>
* @version <tt>$Revision: 2719 $</tt>
*/
public class DefaultAttributeMarshaller
extends AbstractAttributeMarshaller
{
public static final DefaultAttributeMarshaller INSTANCE = new DefaultAttributeMarshaller();
public Object getValue(MarshallingContext ctx)
{
Object owner = ctx.peek();
SchemaBinding schema = ctx.getSchemaBinding();
AttributeBinding binding = ctx.getAttributeBinding();
QName qName = binding.getQName();
String fieldName = null;
PropertyMetaData propertyMetaData = binding.getPropertyMetaData();
if(propertyMetaData != null)
{
fieldName = propertyMetaData.getName();
}
if(fieldName == null)
{
fieldName =
Util.xmlNameToFieldName(qName.getLocalPart(), schema.isIgnoreLowLine());
}
FieldInfo fieldInfo = FieldInfo.getFieldInfo(
owner.getClass(), fieldName, binding.getRequired() && !schema.isIgnoreUnresolvedFieldOrClass()
);
Object value = null;
if(fieldInfo != null)
{
value = fieldInfo.getValue(owner);
}
return value;
}
public String marshalValue(MarshallingContext ctx, Object value)
{
AttributeBinding binding = ctx.getAttributeBinding();
if(value == null)
{
if(binding.getRequired())
{
ElementBinding element = (ElementBinding) ctx.getParticleBinding().getTerm();
throw new JBossXBRuntimeException("Missing value for the required attribute " + binding.getQName() + " of element " + element.getQName());
}
return null;
}
String marshalled;
TypeBinding attrType = binding.getType();
if(attrType.getItemType() != null)
{
TypeBinding itemType = attrType.getItemType();
if(Constants.NS_XML_SCHEMA.equals(itemType.getQName().getNamespaceURI()))
{
List list;
if(value instanceof List)
{
list = (List)value;
}
else if(value.getClass().isArray())
{
list = Arrays.asList((Object[])value);
}
else
{
throw new JBossXBRuntimeException("Expected value for list type is an array or " +
List.class.getName() +
" but got: " +
value
);
}
if(Constants.QNAME_QNAME.getLocalPart().equals(itemType.getQName().getLocalPart()))
{
String attrLocal = binding.getQName().getLocalPart();
for(int listInd = 0; listInd < list.size(); ++listInd)
{
QName item = (QName)list.get(listInd);
String itemNs = item.getNamespaceURI();
if(itemNs != null && itemNs.length() > 0)
{
String itemPrefix = ctx.getPrefix(itemNs);
if(itemPrefix == null)
{
itemPrefix = item.getPrefix();
if(itemPrefix == null || itemPrefix.length() == 0)
{
itemPrefix = attrLocal + listInd;
}
ctx.declareNamespace(itemPrefix, itemNs);
}
if(!itemPrefix.equals(item.getPrefix()))
{
item = new QName(item.getNamespaceURI(), item.getLocalPart(), itemPrefix);
list.set(listInd, item);
}
}
}
}
marshalled = SimpleTypeBindings.marshalList(itemType.getQName().getLocalPart(), list, null);
}
else
{
throw new JBossXBRuntimeException("Marshalling of list types with item types not from " +
Constants.NS_XML_SCHEMA + " is not supported."
);
}
}
else if(attrType.getLexicalPattern() != null &&
attrType.getBaseType() != null &&
Constants.QNAME_BOOLEAN.equals(attrType.getBaseType().getQName()))
{
String item = (String)attrType.getLexicalPattern().get(0);
if(item.indexOf('0') != -1 && item.indexOf('1') != -1)
{
marshalled = ((Boolean)value).booleanValue() ? "1" : "0";
}
else
{
marshalled = ((Boolean)value).booleanValue() ? "true" : "false";
}
}
else if(Constants.QNAME_QNAME.equals(attrType.getQName()))
{
boolean removePrefix = false;
String prefix = null;
String ns = ((QName)value).getNamespaceURI();
if(ns != null && ns.length() > 0)
{
prefix = ctx.getPrefix(ns);
if(prefix == null)
{
prefix = ((QName)value).getPrefix();
if(prefix == null || prefix.length() == 0)
{
prefix = "ns_" + ((QName)value).getLocalPart();
}
ctx.declareNamespace(prefix, ns);
}
ctx.getNamespaceContext().addPrefixMapping(prefix, ns);
removePrefix = true;
}
marshalled = SimpleTypeBindings.marshalQName((QName)value, ctx.getNamespaceContext());
if(removePrefix)
{
ctx.getNamespaceContext().removePrefixMapping(prefix);
}
}
else
{
marshalled = value.toString();
}
return marshalled;
}
}