org.apache.cxf.jaxrs.provider.jsonp.AbstractJsonpOutInterceptor 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.io.IOException;
import java.io.OutputStream;
import javax.servlet.http.HttpServletResponse;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.message.Exchange;
import org.apache.cxf.message.Message;
import org.apache.cxf.phase.AbstractPhaseInterceptor;
public abstract class AbstractJsonpOutInterceptor extends AbstractPhaseInterceptor {
protected AbstractJsonpOutInterceptor(String phase) {
super(phase);
}
protected String getCallbackValue(Message message) {
Exchange exchange = message.getExchange();
return (String) exchange.get(JsonpInInterceptor.CALLBACK_KEY);
}
protected void writeValue(Message message, String value) throws Fault {
try {
getOutputStream(message).write(value.getBytes("UTF-8"));
} catch (IOException e) {
throw new Fault(e);
}
}
private OutputStream getOutputStream(Message message) throws IOException {
OutputStream os = message.getContent(OutputStream.class);
if (os == null) {
HttpServletResponse response = (HttpServletResponse) message.get("HTTP.RESPONSE");
os = response.getOutputStream();
}
return os;
}
}