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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 org.apache.qpid.info.util;
import java.util.ArrayList;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.List;
import java.util.Properties;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.InetAddress;
import java.net.URL;
import java.net.URLConnection;
import java.net.UnknownHostException;
/**
*
* An simple Http post class for qpid info service
*/
public class HttpPoster implements Runnable
{
private final String _url;
private final Hashtable<String, String> _header;
private final List<String> _response = new ArrayList<String>();
private final StringBuffer _buf;
/**
* Constructor
*
* @param props Properties containing the URL
* @param buf Buffer containing the message to be posted
*/
public HttpPoster(Properties props, StringBuffer buf)
{
_buf = buf;
if (null != props)
{
_url = props.getProperty("http.url");
_header = new Hashtable<String, String>();
try
{
String hostname = InetAddress.getLocalHost().getHostName();
_header.put("hostname", hostname);
}
catch (UnknownHostException e)
{
// Silently ignoring the error ;)
}
}
else
{
_url = null;
_header = null;
}
}
/** Posts the message from the _buf StringBuffer to the http server */
public void run()
{
if (null == _url)
{
return;
}
String line;
URL urlDest;
URLConnection urlConn;
try
{
urlDest = new URL(_url);
urlConn = urlDest.openConnection();
urlConn.setDoOutput(true);
urlConn.setUseCaches(false);
for (Iterator<String> it = _header.keySet().iterator(); it.hasNext();)
{
String prop = it.next();
urlConn.setRequestProperty(prop, _header.get(prop));
}
OutputStreamWriter wr =
new OutputStreamWriter(urlConn.getOutputStream());
wr.write(_buf.toString());
wr.flush();
// Get the response
BufferedReader rd = new BufferedReader(new InputStreamReader(
urlConn.getInputStream()));
while ((line = rd.readLine()) != null)
{
_response.add(line);
}
}
catch (Exception ex)
{
// Silently ignoring the error ;)
}
}
/**
* Retrieves the response from the http server
*
* @return List<String> response received from the http server
*/
public List<String> get_response()
{
return _response;
}
}
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