/*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.mobicents.servlet.sip.demo.jruby;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import javax.servlet.ServletContext;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import org.apache.log4j.Logger;
/**
* @author <A HREF="mailto:jean.deruelle@gmail.com">Jean Deruelle</A>
*
*/
public class InitializationListener implements ServletContextListener {
private static Logger logger = Logger.getLogger(InitializationListener.class);
private static final String AUDIO_DIR = "/audio";
private static final String FILE_PROTOCOL = "file://";
private static final String[] AUDIO_FILES = new String[] {
"complaint.wav"};
/*
* (non-Javadoc)
*
* @see javax.servlet.ServletContextListener#contextDestroyed(javax.servlet.ServletContextEvent)
*/
public void contextDestroyed(ServletContextEvent arg0) {
}
/*
* (non-Javadoc)
*
* @see javax.servlet.ServletContextListener#contextInitialized(javax.servlet.ServletContextEvent)
*/
public void contextInitialized(ServletContextEvent servletContextEvent) {
ServletContext servletContext = servletContextEvent.getServletContext();
File tempWriteDir = (File) servletContext
.getAttribute("javax.servlet.context.tempdir");
servletContext.setAttribute("audioFilePath", FILE_PROTOCOL + tempWriteDir
.getAbsolutePath() + File.separatorChar);
for (int i = 0; i < AUDIO_FILES.length; i++) {
String audioFile = AUDIO_FILES[i];
logger.info("Writing " + audioFile + " to webapp temp dir : "
+ tempWriteDir);
InputStream is = servletContext.getResourceAsStream(AUDIO_DIR + "/" + audioFile);
copyToTempDir(is, tempWriteDir, audioFile);
}
}
private void copyToTempDir(InputStream is, File tempWriteDir,
String fileName) {
File file = new File(tempWriteDir, fileName);
final int bufferSize = 1000;
BufferedOutputStream fout = null;
BufferedInputStream fin = null;
try {
fout = new BufferedOutputStream(new FileOutputStream(file));
fin = new BufferedInputStream(is);
byte[] buffer = new byte[bufferSize];
int readCount = 0;
while ((readCount = fin.read(buffer)) != -1) {
if (readCount < bufferSize) {
fout.write(buffer, 0, readCount);
} else {
fout.write(buffer);
}
}
} catch (IOException e) {
logger.error("An unexpected exception occured while copying audio files",
e);
} finally {
try {
if (fout != null) {
fout.flush();
fout.close();
}
} catch (IOException e) {
logger.error("An unexpected exception while closing stream",
e);
}
try {
if (fin != null) {
fin.close();
}
} catch (IOException e) {
logger.error("An unexpected exception while closing stream",
e);
}
}
}
}