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/*
* ====================================================================
* Project: openCRX/Core, http://www.opencrx.org/
* Description: TinyUrlUtils
* Owner: the original authors.
* ====================================================================
*
* This software is published under the BSD license
* as listed below.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of the openCRX team nor the names of the contributors
* to openCRX may be used to endorse or promote products derived
* from this software without specific prior written permission
*
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* ------------------
*
* This product includes software developed by the Apache Software
* Foundation (http://www.apache.org/).
*
* This product includes software developed by contributors to
* openMDX (http://www.openmdx.org/)
*/
package org.opencrx.kernel.utils;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
public class TinyUrlUtils {
//-----------------------------------------------------------------------
public static String getTinyUrl(
String fullUrl
) {
String tinyUrl = tinyUrls.get(fullUrl);
if(tinyUrl == null) {
HttpURLConnection conn = null;
try {
conn = (HttpURLConnection)new URL(
PREFIX + "api-create.php?url=" + fullUrl
).openConnection();
conn.setDoInput(true);
conn.setDoOutput(true);
conn.setRequestMethod("GET");
conn.connect();
int responseCode = conn.getResponseCode();
if(responseCode == HttpURLConnection.HTTP_OK) {
BufferedReader reader = new BufferedReader(
new InputStreamReader(
conn.getInputStream(),
"UTF-8"
)
);
StringBuffer response = new StringBuffer();
String line;
while (null != (line = reader.readLine())) {
response.append(line).append("\n");
}
tinyUrl = response.toString();
if(tinyUrl != null && tinyUrl.indexOf("\n") > 0) {
tinyUrl = tinyUrl.substring(0, tinyUrl.indexOf("\n"));
}
if(tinyUrl != null) {
tinyUrls.putIfAbsent(
fullUrl,
tinyUrl
);
}
}
}
catch(Exception e) {}
finally {
if(conn != null) {
conn.disconnect();
}
}
}
return tinyUrl;
}
//-------------------------------------------------------------------------
// Members
//-------------------------------------------------------------------------
public static final String PREFIX = "http://tinyurl.com/";
private static ConcurrentMap tinyUrls = new ConcurrentHashMap();
}