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/*
* JBoss, Home of Professional Open Source
* Copyright 2009, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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.jboss.shrinkwrap.api;
import java.io.File;
import java.io.IOException;
import java.util.UUID;
import java.util.zip.ZipException;
import java.util.zip.ZipFile;
import org.jboss.shrinkwrap.api.importer.ArchiveImportException;
import org.jboss.shrinkwrap.api.importer.ZipImporter;
import org.jboss.shrinkwrap.api.spec.WebArchive;
/**
* Responsible for creating {@link Archive}s, which may be presented to the caller in a designated {@link Assignable}
* view.
*
* @author ALR
* @author Ken Gullaksen
* @version $Revision: $
*/
public final class ArchiveFactory {
// -------------------------------------------------------------------------------------||
// Class Members ----------------------------------------------------------------------||
// -------------------------------------------------------------------------------------||
/**
* Implementation class name backing {@link Archive}s to be created
*/
private static final String ARCHIVE_IMPL = "org.jboss.shrinkwrap.impl.base.MemoryMapArchiveImpl";
// -------------------------------------------------------------------------------------||
// Instance Members -------------------------------------------------------------------||
// -------------------------------------------------------------------------------------||
/**
* Configuration for all archives created from this factory
*/
private final Configuration configuration;
// -------------------------------------------------------------------------------------||
// Constructor ------------------------------------------------------------------------||
// -------------------------------------------------------------------------------------||
/**
* Creates a new {@link ArchiveFactory} which will use the supplied {@link Configuration} for each new
* {@link Archive} it creates.
*
* @param configuration
* the {@link Configuration} to use
* @throws IllegalArgumentException
* if configuration is not supplied
*/
ArchiveFactory(final Configuration configuration) throws IllegalArgumentException {
// Precondition checks
assert configuration != null : "configuration must be supplied";
// Set
this.configuration = configuration;
}
// -------------------------------------------------------------------------------------||
// Functional Methods -----------------------------------------------------------------||
// -------------------------------------------------------------------------------------||
/**
* Creates a new archive of the specified type. The archive will be be backed by the {@link Configuration} specific
* to this {@link ArchiveFactory}. Generates a random name for the archive and adds proper extension based on the
* service descriptor properties file if extension property is present (e.g.
* shrinkwrap/impl-base/src/main/resources/META-INF/services/org.jboss.shrinkwrap.api.spec.JavaArchive)
*
*
* @param type
* The type of the archive e.g. {@link WebArchive}
* @return An {@link Assignable} archive base
* @throws IllegalArgumentException
* if type is not specified
* @throws UnknownExtensionTypeException
* If no extension mapping is found for the specified type
*/
public T create(final Class type) throws IllegalArgumentException,
UnknownExtensionTypeException {
// Precondition checks
if (type == null) {
throw new IllegalArgumentException("Type must be specified");
}
// Get the extensionType type
final String extension = configuration.getExtensionLoader().getExtensionFromExtensionMapping(type);
// Generate a random name
String archiveName = UUID.randomUUID().toString();
// Delegate
return create(type, archiveName += extension);
}
/**
* Creates a new archive of the specified type. The archive will be be backed by the {@link Configuration} specific
* to this {@link ArchiveFactory}.
*
* @param type
* The type of the archive e.g. {@link org.jboss.shrinkwrap.api.spec.WebArchive}
* @param archiveName
* the archiveName to use
* @return An {@link Assignable} view
* @throws IllegalArgumentException
* either argument is not supplied
*/
public T create(final Class type, final String archiveName)
throws IllegalArgumentException {
// Precondition checks
if (type == null) {
throw new IllegalArgumentException("Type must be specified");
}
if (archiveName == null) {
throw new IllegalArgumentException("ArchiveName must be specified");
}
// Get the impl class
final Class archiveImplClass;
try {
archiveImplClass = ClassLoaderSearchUtil.findClassFromClassLoaders(ARCHIVE_IMPL,
this.configuration.getClassLoaders());
} catch (final ClassNotFoundException cnfe) {
throw new IllegalStateException("Could not find the archive implementation class " + ARCHIVE_IMPL
+ " in any configured ClassLoader", cnfe);
}
// Make a new instance
final Archive archive = SecurityActions.newInstance(archiveImplClass, new Class[] { String.class,
Configuration.class }, new Object[] { archiveName, configuration }, Archive.class);
// Wrap as the requested type and return
return archive.as(type);
}
/**
* Creates a new archive of the specified type as imported from the specified {@link File}. The file is expected to
* be encoded as ZIP (ie. JAR/WAR/EAR). The name of the archive will be set to {@link File#getName()}. The archive
* will be be backed by the {@link Configuration} specific to this {@link ArchiveFactory}.
*
* @param type
* The type of the archive e.g. {@link org.jboss.shrinkwrap.api.spec.WebArchive}
* @param archiveFile
* the archiveFile to use
* @return An {@link Assignable} view
* @throws IllegalArgumentException
* If either argument is not supplied, if the specified {@link File} does not exist, or is not a valid
* ZIP file
* @throws org.jboss.shrinkwrap.api.importer.ArchiveImportException
* If an error occurred during the import process
*/
public T createFromZipFile(final Class type, final File archiveFile)
throws IllegalArgumentException, ArchiveImportException {
// Precondition checks
if (type == null) {
throw new IllegalArgumentException("Type must be specified");
}
if (archiveFile == null) {
throw new IllegalArgumentException("File must be specified");
}
if (!archiveFile.exists()) {
throw new IllegalArgumentException("File for import does not exist: " + archiveFile.getAbsolutePath());
}
if (archiveFile.isDirectory()) {
throw new IllegalArgumentException("File for import must not be a directory: "
+ archiveFile.getAbsolutePath());
}
// Construct ZipFile
final ZipFile zipFile;
try {
zipFile = new ZipFile(archiveFile);
} catch (final ZipException ze) {
throw new IllegalArgumentException("Does not appear to be a valid ZIP file: "
+ archiveFile.getAbsolutePath());
} catch (final IOException ioe) {
throw new RuntimeException("I/O Error in importing new archive from ZIP: " + archiveFile.getAbsolutePath(),
ioe);
}
// Import
return ShrinkWrap.create(type, archiveFile.getName()).as(ZipImporter.class).importFrom(zipFile).as(type);
}
}