/**
* 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.jaxrs.impl;
import java.io.IOException;
import java.io.OutputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.util.List;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.ext.WriterInterceptor;
import javax.ws.rs.ext.WriterInterceptorContext;
import org.apache.cxf.jaxrs.utils.HttpUtils;
import org.apache.cxf.jaxrs.utils.JAXRSUtils;
import org.apache.cxf.message.Message;
public class WriterInterceptorContextImpl extends AbstractInterceptorContextImpl
implements WriterInterceptorContext {
private List<WriterInterceptor> writers;
private OutputStream os;
private Object entity;
//CHECKSTYLE:OFF
public WriterInterceptorContextImpl(Object entity,
Class<?> cls,
Type type,
Annotation[] anns,
OutputStream os,
Message message,
List<WriterInterceptor> writers) {
//CHECKSTYLE:ON
super(cls, type, anns, message);
this.entity = entity;
this.os = os;
this.writers = writers;
}
@Override
public Object getEntity() {
return entity;
}
@Override
public MultivaluedMap<String, Object> getHeaders() {
return HttpUtils.getModifiableHeaders(m);
}
@Override
public OutputStream getOutputStream() {
return os;
}
@Override
public void proceed() throws IOException {
if (writers == null || writers.isEmpty()) {
return;
}
WriterInterceptor next = writers.remove(0);
try {
next.aroundWriteTo(this);
} catch (IOException ex) {
throw ex;
}
}
@Override
public void setEntity(Object object) {
entity = object;
super.setType(entity != null ? entity.getClass() : null);
}
@Override
public void setOutputStream(OutputStream stream) {
this.os = stream;
m.put(OutputStream.class, stream);
}
@Override
public MediaType getMediaType() {
Object value = getHeaders().getFirst(HttpHeaders.CONTENT_TYPE);
return value instanceof MediaType ? (MediaType)value : JAXRSUtils.toMediaType((String)value);
}
@Override
public void setMediaType(MediaType mt) {
if (!getMediaType().isCompatible(mt)) {
providerSelectionPropertyChanged();
}
m.put(Message.CONTENT_TYPE, JAXRSUtils.mediaTypeToString(mt));
getHeaders().putSingle(HttpHeaders.CONTENT_TYPE, mt);
}
}