/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can obtain
* a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
* or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
* Sun designates this particular file as subject to the "Classpath" exception
* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License
* Header, with the fields enclosed by brackets [] replaced by your own
* identifying information: "Portions Copyrighted [year]
* [name of copyright owner]"
*
* Contributor(s):
*
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
/*
* PluggableArchivistsHelper.java
*
* Created on June 4, 2004, 10:48 AM
*/
package com.sun.enterprise.deployment.archivist;
import java.io.File;
import java.io.IOException;
import java.io.FileNotFoundException;
import java.util.logging.Level;
import javax.enterprise.deploy.shared.ModuleType;
import com.sun.enterprise.deployment.deploy.shared.AbstractArchive;
import com.sun.enterprise.deployment.deploy.shared.FileArchive;
import com.sun.enterprise.deployment.deploy.shared.InputJarArchive;
import com.sun.enterprise.deployment.util.DOLUtils;
import com.sun.enterprise.util.i18n.StringManager;
/**
*
* @author Jerome Dochez
*/
public class PluggableArchivistsHelper implements PluggableArchivists {
// All archivist should be registered here with an empty instance
// I could have used a prototype or some factory classes but it would
// have been an overkill. Instances are registered so I can use the
// abstract methods defined at the Archivist level.
private Archivist[] archivists = new Archivist[0];
/** string manager */
private static StringManager localStrings =
StringManager.getManager( PluggableArchivistsHelper.class );
/** Creates a new instance of PluggableArchivistsHelper */
public PluggableArchivistsHelper() {
}
/**
* @return a new Archivist implementation for the archive file type
* Supported J2EE modules are defined in the J2EE platform spec
*/
public Archivist getArchivistForArchive(String path) throws IOException {
File f = new File(path);
if (!f.exists()) {
throw new FileNotFoundException(path);
}
AbstractArchive archive;
if (f.isDirectory()) {
archive = new FileArchive();
((FileArchive) archive).open(path);
} else {
archive = new InputJarArchive();
((InputJarArchive) archive).open(path);
}
Archivist archivist=null;
try {
archivist = getArchivistForArchive(archive);
} finally {
archive.close();
}
return archivist;
}
/**
* @return a new Archivist implementation for the archive file type
* Supported J2EE modules are defined in the J2EE platform spec
*/
public Archivist getArchivistForArchive(File jarFileOrDirectory) throws IOException {
return getArchivistForArchive(jarFileOrDirectory.getAbsolutePath());
}
/**
* @return a new Archivist implementation for the archive file type
* Supported J2EE modules are defined in the J2EE platform spec
*/
public Archivist getArchivistForArchive(AbstractArchive archive) throws IOException {
Archivist a = handles(archive);
if (a != null) {
try {
Archivist archivist = (Archivist) a.getClass().newInstance();
archivist.setPluggableArchivists(this);
return archivist;
} catch (Exception e) {
DOLUtils.getDefaultLogger().log(
Level.SEVERE,
"enterprise.deployment.backend.archivistInstantiationFailure",
new Object[] {a.getClass(), archive});
e.printStackTrace();
}
} else {
String msg = localStrings.getString(
"enterprise.deployment.unknown.application.type",
archive.getArchiveUri());
throw new IOException(msg);
}
return null;
}
private synchronized Archivist handles(AbstractArchive archive) throws IOException {
//first, check the existence of any deployment descriptors
for (Archivist a : archivists) {
if (a.hasStandardDeploymentDescriptor(archive) ||
a.hasRuntimeDeploymentDescriptor(archive)) {
return a;
}
}
// Java EE 5 Specification: Section EE.8.4.2.1
//second, check file extension if any, excluding .jar as it needs
//additional processing
String uri = archive.getArchiveUri();
File file = new File(uri);
if (!file.isDirectory() && !uri.endsWith(Archivist.EJB_EXTENSION)) {
for (Archivist a : archivists) {
if (uri.endsWith(a.getArchiveExtension())) {
return a;
}
}
}
//finally, still not returned here, call for additional processing
for (Archivist a : archivists) {
if (a.postHandles(archive)) {
return a;
}
}
return null;
}
/**
* @return a new Archivist implementation for the type passed.
* Supported types are defined in the application.xml DTD
*/
public synchronized Archivist getArchivistForType(ModuleType type) {
for (int i=0;i<archivists.length;i++) {
if (archivists[i].getModuleType().equals(type)) {
try {
Archivist archivist = (Archivist) archivists[i].getClass().newInstance();
archivist.setPluggableArchivists(this);
return archivist;
} catch (Exception e) {
DOLUtils.getDefaultLogger().log(Level.SEVERE, "enterprise.deployment.backend.archivistInstantiationFailure",
new Object[] {archivists[i].getClass(), type});
e.printStackTrace();
}
}
}
DOLUtils.getDefaultLogger().log(Level.SEVERE, "enterprise.deployment.backend.archivistInstantiationFailure",
new Object[] {null, type});
return null;
}
/**
* register a new type of archivist
* @param Archivist to register...
*/
public synchronized void registerArchivist(Archivist archivist) {
for (int i=0;i<archivists.length;i++) {
if (archivists[i].getModuleType().equals(archivist.getModuleType())) {
// we are replacing an archivist
archivists[i]=archivist;
return;
}
}
// if we end up here, it's a new archvist for a new type of archive...
Archivist[] newArchivists = new Archivist[archivists.length+1];
System.arraycopy(archivists, 0, newArchivists, 0, archivists.length);
newArchivists[archivists.length]=archivist;
archivists = newArchivists;
}
/**
* @return the array of registered archivists
*/
public Archivist[] getRegisteredArchivists() {
Archivist[] newArchivists = new Archivist[archivists.length+1];
System.arraycopy(archivists, 0, newArchivists, 0, archivists.length);
return newArchivists;
}
}
|
