/* | |
* Copyright 2004 The Apache Software Foundation | |
* | |
* Licensed 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.pluto.util.install; | |
import org.apache.pluto.util.install.file.tomcat5.Tomcat5FileSystemInstaller; | |
import org.apache.pluto.util.install.file.jetty.Jetty5FileSystemInstaller; | |
import java.io.File; | |
import java.util.ArrayList; | |
import java.util.Iterator; | |
/** | |
* | |
* | |
*/ | |
public abstract class PortalInstallerFactory { | |
private static final ArrayList HANDLERS = new ArrayList(); | |
static { | |
HANDLERS.add(new Tomcat5FileSystemInstaller()); | |
HANDLERS.add(new Jetty5FileSystemInstaller()); | |
} | |
public static PortalInstaller getAppServerHandler(File installDir) { | |
String className = System.getProperty(PortalInstallerFactory.class.getName()); | |
PortalInstaller installer = null; | |
if (className != null) { | |
installer = getHandler(className, installDir); | |
} else { | |
installer = findHandler(installDir); | |
} | |
return installer; | |
} | |
private static PortalInstaller getHandler(String className, File installDir) { | |
PortalInstaller ash; | |
try { | |
Class cl = Class.forName(className); | |
ash = (PortalInstaller)cl.newInstance(); | |
if(ash.isValidInstallationDirectory(installDir)) { | |
return ash; | |
} | |
else { | |
throw new Exception("Invalid installation directory for handler: "+className); | |
} | |
} | |
catch(Exception e) { | |
throw new RuntimeException("Unable to instantiate class: "+className, e); | |
} | |
} | |
private static PortalInstaller findHandler(File installDir) { | |
Iterator it = HANDLERS.iterator(); | |
while(it.hasNext()) { | |
PortalInstaller ash = (PortalInstaller)it.next(); | |
if(ash.isValidInstallationDirectory(installDir)) { | |
return ash; | |
} | |
} | |
throw new RuntimeException("Unable to locate appropriate app server handler for: "+installDir.getAbsolutePath()); | |
} | |
} |