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utils: refactor HTTP transport stuff to HttpUtils

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Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>
This commit is contained in:
Rohit Yadav 2014-08-12 10:04:01 +02:00
parent f11dcf8ef5
commit 315feb0683
1 changed files with 56 additions and 0 deletions
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utils/src/com/cloud/utils/HttpUtils.java Normal file
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// 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 com.cloud.utils;
import org.apache.log4j.Logger;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
public class HttpUtils {
public static final Logger s_logger = Logger.getLogger(HttpUtils.class);
public static final String UTF_8 = "UTF-8";
public static final String RESPONSE_TYPE_JSON = "json";
public static final String RESPONSE_TYPE_XML = "xml";
public static final String JSON_CONTENT_TYPE = "text/javascript; charset=UTF-8";
public static final String XML_CONTENT_TYPE = "text/xml; charset=UTF-8";
public static void writeHttpResponse(final HttpServletResponse resp, final String response,
final Integer responseCode, final String responseType) {
try {
if (RESPONSE_TYPE_JSON.equalsIgnoreCase(responseType)) {
resp.setContentType(JSON_CONTENT_TYPE);
} else if (RESPONSE_TYPE_XML.equalsIgnoreCase(responseType)){
resp.setContentType(XML_CONTENT_TYPE);
}
if (responseCode != null) {
resp.setStatus(responseCode);
}
resp.getWriter().print(response);
} catch (final IOException ioex) {
if (s_logger.isTraceEnabled()) {
s_logger.trace("Exception writing http response: " + ioex);
}
} catch (final Exception ex) {
if (!(ex instanceof IllegalStateException)) {
s_logger.error("Unknown exception writing http response", ex);
}
}
}
}