/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.cxf.aegis.databinding;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.logging.Logger;
import javax.xml.stream.XMLStreamWriter;
import javax.xml.validation.Schema;
import org.apache.cxf.Bus;
import org.apache.cxf.aegis.Context;
import org.apache.cxf.aegis.DatabindingException;
import org.apache.cxf.aegis.type.AegisType;
import org.apache.cxf.aegis.type.TypeUtil;
import org.apache.cxf.aegis.type.basic.ArrayType;
import org.apache.cxf.aegis.xml.MessageWriter;
import org.apache.cxf.aegis.xml.stax.ElementWriter;
import org.apache.cxf.common.i18n.Message;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.databinding.DataWriter;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.message.Attachment;
import org.apache.cxf.service.model.MessagePartInfo;
import org.apache.ws.commons.schema.XmlSchemaElement;
public class XMLStreamDataWriter implements DataWriter<XMLStreamWriter> {
private static final Logger LOG = LogUtils.getL7dLogger(XMLStreamDataWriter.class);
private AegisDatabinding databinding;
private Collection<Attachment> attachments;
private Map<String, Object> properties;
public XMLStreamDataWriter(AegisDatabinding databinding, Bus bus) {
this.databinding = databinding;
}
public void setAttachments(Collection<Attachment> attachments) {
this.attachments = attachments;
}
public void setSchema(Schema s) {
}
public void write(Object obj, MessagePartInfo part, XMLStreamWriter output) {
AegisType type = databinding.getType(part);
if (type == null) {
type = databinding.getTypeFromClass(obj.getClass());
}
if (type == null) {
throw new Fault(new Message("NO_MESSAGE_FOR_PART", LOG, part));
}
Context context = new Context(databinding.getAegisContext());
context.setAttachments(attachments);
type = TypeUtil.getWriteType(databinding.getAegisContext(), obj, type);
/*
* We arrive here with a 'type' of the inner type if isWriteOuter is null.
* However, in that case, the original type is available.
*/
AegisType outerType = null;
if (part != null) {
outerType = part.getProperty("org.apache.cxf.aegis.outerType", AegisType.class);
}
try {
if (obj == null) {
if (part.getXmlSchema() instanceof XmlSchemaElement
&& ((XmlSchemaElement)part.getXmlSchema()).getMinOccurs() == 0) {
//skip writing minOccurs=0 stuff if obj is null
return;
} else if (type.isNillable()) {
ElementWriter writer = new ElementWriter(output);
MessageWriter w2 = writer.getElementWriter(part.getConcreteName());
w2.writeXsiNil();
w2.close();
return;
}
}
ElementWriter writer = new ElementWriter(output);
// outerType is only != null for a flat array.
if (outerType == null) {
MessageWriter w2 = writer.getElementWriter(part != null ? part.getConcreteName()
: type.getSchemaType());
type.writeObject(obj, w2, context);
w2.close();
} else {
// it has better be an array (!)
ArrayType aType = (ArrayType) outerType;
// the part has to have a name or we can't do this.
aType.writeObject(obj, writer, context, part.getConcreteName());
}
} catch (DatabindingException e) {
throw new RuntimeException(e);
}
}
public void write(Object obj, XMLStreamWriter output) {
write(obj, null, output);
}
public void setProperty(String prop, Object value) {
if (properties == null) {
properties = new HashMap<String, Object>();
}
properties.put(prop, value);
}
public Object getProperty(String key) {
if (properties == null) {
return null;
}
return properties.get(key);
}
}