utils: refactor HTTP transport stuff to HttpUtils Signed-off-by: Rohit Yadav <rohit.ya...@shapeblue.com>
Project: http://git-wip-us.apache.org/repos/asf/cloudstack/repo Commit: http://git-wip-us.apache.org/repos/asf/cloudstack/commit/315feb06 Tree: http://git-wip-us.apache.org/repos/asf/cloudstack/tree/315feb06 Diff: http://git-wip-us.apache.org/repos/asf/cloudstack/diff/315feb06 Branch: refs/heads/master Commit: 315feb06839bbe74f4f8068a1ad634be352b49fc Parents: f11dcf8 Author: Rohit Yadav <rohit.ya...@shapeblue.com> Authored: Tue Aug 12 10:04:01 2014 +0200 Committer: Rohit Yadav <rohit.ya...@shapeblue.com> Committed: Tue Aug 12 12:01:31 2014 +0200 ---------------------------------------------------------------------- utils/src/com/cloud/utils/HttpUtils.java | 56 +++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/cloudstack/blob/315feb06/utils/src/com/cloud/utils/HttpUtils.java ---------------------------------------------------------------------- diff --git a/utils/src/com/cloud/utils/HttpUtils.java b/utils/src/com/cloud/utils/HttpUtils.java new file mode 100644 index 0000000..f608b86 --- /dev/null +++ b/utils/src/com/cloud/utils/HttpUtils.java @@ -0,0 +1,56 @@ +// 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); + } + } + } +}
