/*
* 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.installation;
import java.io.IOException;
import java.util.Collections;
import java.util.List;
import java.util.Properties;
import org.jboss.as.patching.Constants;
import org.jboss.as.patching.DirectoryStructure;
import org.jboss.as.patching.runner.PatchUtils;
/**
* Immutable layer info.
*
* @author Emanuel Muckenhuber
*/
public class LayerInfo implements Layer, AddOn {
private final String name;
private final TargetInfo targetInfo;
private final DirectoryStructure structure;
public LayerInfo(String name, TargetInfo targetInfo, DirectoryStructure structure) {
this.name = name;
this.targetInfo = targetInfo;
this.structure = structure;
}
@Override
public String getName() {
return name;
}
@Override
public DirectoryStructure getDirectoryStructure() {
return structure;
}
@Override
public TargetInfo loadTargetInfo() {
return targetInfo;
}
static class TargetInfoImpl implements TargetInfo {
private final Properties properties;
private final String cumulativeID;
private final List<String> patches;
private final DirectoryStructure structure;
TargetInfoImpl(Properties properties, String cumulativeID, List<String> patches, DirectoryStructure structure) {
this.properties = properties;
this.cumulativeID = cumulativeID;
this.patches = Collections.unmodifiableList(patches);
this.structure = structure;
}
@Override
public String getCumulativePatchID() {
return cumulativeID;
}
@Override
public List<String> getPatchIDs() {
return patches;
}
@Override
public Properties getProperties() {
return properties;
}
@Override
public DirectoryStructure getDirectoryStructure() {
return structure;
}
}
static TargetInfo loadTargetInfoFromDisk(final DirectoryStructure structure) throws IOException {
final Properties properties = PatchUtils.loadProperties(structure.getInstallationInfo());
return loadTargetInfo(properties, structure);
}
public static TargetInfo loadTargetInfo(final Properties properties, final DirectoryStructure structure) {
final String ref = PatchUtils.readRef(properties, Constants.CUMULATIVE);
final List<String> patches = PatchUtils.readRefs(properties);
return new TargetInfoImpl(properties, ref, patches, structure);
}
}