package org.red5.server.stream;
/*
* RED5 Open Source Flash Server - http://www.osflash.org/red5
*
* Copyright (c) 2006-2009 by respective authors (see below). All rights reserved.
*
* This library 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 library 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 library; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
import org.red5.server.api.IScope;
import org.red5.server.api.ScopeUtils;
import org.red5.server.api.stream.IStreamFilenameGenerator;
/**
* Default filename generator for streams. The files will be stored in a
* directory "streams" in the application folder. Option for changing directory
* streams are saved to is investigated as of 0.6RC1.
*
* @author The Red5 Project (red5@osflash.org)
* @author Joachim Bauch (bauch@struktur.de)
*/
public class DefaultStreamFilenameGenerator implements IStreamFilenameGenerator {
/**
* Generate stream directory based on relative scope path. The base directory is
* <code>streams</code>, e.g. a scope <code>/application/one/two/</code> will
* generate a directory <code>/streams/one/two/</code> inside the application.
*
* @param scope Scope
* @return Directory based on relative scope path
*/
private String getStreamDirectory(IScope scope) {
final StringBuilder result = new StringBuilder();
final IScope app = ScopeUtils.findApplication(scope);
final String prefix = "streams/";
while (scope != null && scope != app) {
result.insert(0, scope.getName() + "/");
scope = scope.getParent();
}
if (result.length() == 0) {
return prefix;
} else {
result.insert(0, prefix).append("/");
return result.toString();
}
}
/** {@inheritDoc} */
public String generateFilename(IScope scope, String name, GenerationType type) {
return generateFilename(scope, name, null, type);
}
/** {@inheritDoc} */
public String generateFilename(IScope scope, String name, String extension, GenerationType type) {
String result = getStreamDirectory(scope) + name;
if (extension != null && !extension.equals("")) {
result += extension;
}
return result;
}
/**
* The default filenames are relative to the scope path, so always return <code>false</code>.
*
* @return always <code>false</code>
*/
public boolean resolvesToAbsolutePath() {
return false;
}
}