| /** |
| * 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.databinding.stax; |
| |
| import java.util.Collection; |
| import java.util.logging.Logger; |
| |
| import javax.xml.namespace.QName; |
| import javax.xml.stream.XMLStreamException; |
| import javax.xml.stream.XMLStreamReader; |
| import javax.xml.stream.XMLStreamWriter; |
| import javax.xml.validation.Schema; |
| |
| import org.w3c.dom.Node; |
| |
| import org.apache.cxf.common.logging.LogUtils; |
| import org.apache.cxf.common.xmlschema.SchemaCollection; |
| import org.apache.cxf.databinding.AbstractInterceptorProvidingDataBinding; |
| import org.apache.cxf.databinding.DataReader; |
| import org.apache.cxf.databinding.DataWriter; |
| import org.apache.cxf.interceptor.Fault; |
| import org.apache.cxf.interceptor.StaxInEndingInterceptor; |
| import org.apache.cxf.message.Attachment; |
| import org.apache.cxf.message.Message; |
| import org.apache.cxf.phase.AbstractPhaseInterceptor; |
| import org.apache.cxf.phase.Phase; |
| import org.apache.cxf.service.Service; |
| import org.apache.cxf.service.ServiceModelVisitor; |
| import org.apache.cxf.service.model.MessagePartInfo; |
| import org.apache.cxf.service.model.ServiceInfo; |
| import org.apache.cxf.staxutils.StaxUtils; |
| import org.apache.ws.commons.schema.constants.Constants; |
| |
| /** |
| * A simple databinding implementation which reads and writes Source objects. |
| * This will not work with the standard databinding interceptors. |
| */ |
| public class StaxDataBinding extends AbstractInterceptorProvidingDataBinding { |
| |
| private XMLStreamDataReader xsrReader; |
| private XMLStreamDataWriter xswWriter; |
| |
| public StaxDataBinding() { |
| super(); |
| this.xsrReader = new XMLStreamDataReader(); |
| this.xswWriter = new XMLStreamDataWriter(); |
| inInterceptors.add(new StaxInEndingInterceptor(Phase.POST_INVOKE)); |
| inFaultInterceptors.add(new StaxInEndingInterceptor(Phase.POST_INVOKE)); |
| |
| inInterceptors.add(RemoveStaxInEndingInterceptor.INSTANCE); |
| inFaultInterceptors.add(RemoveStaxInEndingInterceptor.INSTANCE); |
| } |
| |
| static class RemoveStaxInEndingInterceptor extends AbstractPhaseInterceptor<Message> { |
| static final RemoveStaxInEndingInterceptor INSTANCE = new RemoveStaxInEndingInterceptor(); |
| |
| RemoveStaxInEndingInterceptor() { |
| super(Phase.PRE_INVOKE); |
| addBefore(StaxInEndingInterceptor.class.getName()); |
| } |
| |
| public void handleMessage(Message message) { |
| message.getInterceptorChain().remove(StaxInEndingInterceptor.INSTANCE); |
| } |
| } |
| |
| |
| public void initialize(Service service) { |
| for (ServiceInfo serviceInfo : service.getServiceInfos()) { |
| SchemaCollection schemaCollection = serviceInfo.getXmlSchemaCollection(); |
| if (schemaCollection.getXmlSchemas().length > 1) { |
| // Schemas are already populated. |
| continue; |
| } |
| new ServiceModelVisitor(serviceInfo) { |
| |
| @Override |
| public void begin(MessagePartInfo part) { |
| if (part.getTypeQName() != null || part.getElementQName() != null) { |
| return; |
| } |
| part.setTypeQName(Constants.XSD_ANYTYPE); |
| } |
| } .walk(); |
| } |
| } |
| |
| @SuppressWarnings("unchecked") |
| public <T> DataReader<T> createReader(Class<T> cls) { |
| if (cls == XMLStreamReader.class) { |
| return (DataReader<T>) xsrReader; |
| } |
| throw new UnsupportedOperationException("The type " + cls.getName() + " is not supported."); |
| } |
| |
| public Class<?>[] getSupportedReaderFormats() { |
| return new Class<?>[] {XMLStreamReader.class}; |
| } |
| |
| @SuppressWarnings("unchecked") |
| public <T> DataWriter<T> createWriter(Class<T> cls) { |
| if (cls == XMLStreamWriter.class) { |
| return (DataWriter<T>) xswWriter; |
| } |
| throw new UnsupportedOperationException("The type " + cls.getName() + " is not supported."); |
| } |
| |
| public Class<?>[] getSupportedWriterFormats() { |
| return new Class<?>[] {XMLStreamWriter.class, Node.class}; |
| } |
| |
| public static class XMLStreamDataReader implements DataReader<XMLStreamReader> { |
| |
| public Object read(MessagePartInfo part, XMLStreamReader input) { |
| return read(null, input, part.getTypeClass()); |
| } |
| |
| public Object read(QName name, XMLStreamReader input, Class<?> type) { |
| return input; |
| } |
| |
| public Object read(XMLStreamReader reader) { |
| return reader; |
| } |
| |
| public void setSchema(Schema s) { |
| } |
| |
| public void setAttachments(Collection<Attachment> attachments) { |
| } |
| |
| public void setProperty(String prop, Object value) { |
| } |
| } |
| |
| public static class XMLStreamDataWriter implements DataWriter<XMLStreamWriter> { |
| private static final Logger LOG = LogUtils.getL7dLogger(XMLStreamDataWriter.class); |
| |
| public void write(Object obj, MessagePartInfo part, XMLStreamWriter output) { |
| write(obj, output); |
| } |
| |
| public void write(Object obj, XMLStreamWriter writer) { |
| try { |
| if (obj instanceof XMLStreamReader) { |
| XMLStreamReader xmlStreamReader = (XMLStreamReader) obj; |
| StaxUtils.copy(xmlStreamReader, writer); |
| xmlStreamReader.close(); |
| } else if (obj instanceof XMLStreamWriterCallback) { |
| ((XMLStreamWriterCallback) obj).write(writer); |
| } else { |
| throw new UnsupportedOperationException("Data types of " |
| + obj.getClass() + " are not supported."); |
| } |
| } catch (XMLStreamException e) { |
| throw new Fault("COULD_NOT_READ_XML_STREAM", LOG, e); |
| } |
| } |
| |
| public void setSchema(Schema s) { |
| } |
| |
| public void setAttachments(Collection<Attachment> attachments) { |
| } |
| |
| public void setProperty(String key, Object value) { |
| } |
| |
| } |
| } |