/*
* JBoss, Home of Professional Open Source.
* Copyright 2013, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* 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.jboss.as.patching.runner;
import static org.jboss.as.patching.IoUtils.NO_CONTENT;
import java.io.File;
import java.io.IOException;
import org.jboss.as.patching.HashUtils;
import org.jboss.as.patching.logging.PatchLogger;
import org.jboss.as.patching.metadata.BundleItem;
import org.jboss.as.patching.metadata.ContentType;
import org.jboss.as.patching.metadata.ModuleItem;
/**
* Base {@linkplain PatchingTask} for module updates.
*
* @author Emanuel Muckenhuber
*/
abstract class AbstractModuleTask extends AbstractPatchingTask<ModuleItem> {
static final String MODULE_XML = "module.xml";
AbstractModuleTask(PatchingTaskDescription description) {
super(description, ModuleItem.class);
}
@Override
byte[] backup(PatchingTaskContext context) throws IOException {
final File[] repoRoots = context.getTargetModulePath();
final String moduleName = contentItem.getName();
final String slot = contentItem.getSlot();
for(final File path : repoRoots) {
// Find the first module and calculate the hash
final File modulePath = PatchContentLoader.getModulePath(path, moduleName, slot);
final File moduleXml = new File(modulePath, MODULE_XML);
if(moduleXml.exists()) {
PatchLogger.ROOT_LOGGER.debugf("found in path (%s)", moduleXml.getAbsolutePath());
context.invalidateRoot(modulePath);
return HashUtils.hashFile(modulePath);
}
}
return notFound(contentItem);
}
protected byte[] notFound(final ModuleItem contentItem) throws IOException{
return NO_CONTENT;
}
static ModuleItem createContentItem(final ModuleItem original, final byte[] contentHash) {
final ContentType type = original.getContentType();
if(type == ContentType.BUNDLE) {
return new BundleItem(original.getName(), original.getSlot(), contentHash);
} else {
return new ModuleItem(original.getName(), original.getSlot(), contentHash);
}
}
}