org.apache.cxf.jaxrs.provider.jsonp.JsonpPreStreamInterceptor Maven / Gradle / Ivy
/**
* 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.provider.jsonp;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.cxf.common.util.StringUtils;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.message.Message;
import org.apache.cxf.phase.Phase;
/**
* Appends the jsonp callback to json responses when the '_jsonp' parameter has been set in the querystring.
*/
public class JsonpPreStreamInterceptor extends AbstractJsonpOutInterceptor {
private String mediaType = JsonpInInterceptor.JSONP_TYPE;
private String paddingEnd = "(";
public JsonpPreStreamInterceptor() {
super(Phase.PRE_STREAM);
}
public void handleMessage(Message message) throws Fault {
String callback = getCallbackValue(message);
if (!StringUtils.isEmpty(callback)) {
setContentType(message);
writeValue(message, callback + getPaddingEnd());
}
}
@SuppressWarnings("unchecked")
protected void setContentType(Message message) {
Map> headers = (Map>)message.get(Message.PROTOCOL_HEADERS);
if (headers == null) {
headers = new HashMap>();
message.put(Message.PROTOCOL_HEADERS, headers);
}
headers.put(Message.CONTENT_TYPE, Collections.singletonList(getMediaType()));
}
public void setMediaType(String mediaType) {
this.mediaType = mediaType;
}
public String getMediaType() {
return mediaType;
}
public void setPaddingEnd(String paddingEnd) {
this.paddingEnd = paddingEnd;
}
public String getPaddingEnd() {
return paddingEnd;
}
}