/*
* Copyright 1999-2010 University of Chicago
*
* Licensed 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.nimbustools.ctxbroker.rest;
import com.google.gson.Gson;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
class ResponseUtil {
private static final Log logger = LogFactory.getLog(ResponseUtil.class);
final private Gson gson;
public ResponseUtil() {
this.gson = new Gson();
}
public void sendServletError(HttpServletResponse response, ErrorMessage error, int status) {
response.setStatus(status);
response.setContentType("application/json");
final String s = this.gson.toJson(error);
try {
response.getOutputStream().write(s.getBytes());
response.getOutputStream().flush();
} catch (IOException e) {
logger.error("Failed to write error response. Trying to write '" +
s + "'", e);
//can't rethrow because we'd likely just end up right back here
}
}
}