/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.sling.installer.factories.subsystems.impl;
import java.io.IOException;
import org.apache.sling.installer.api.tasks.ChangeStateTask;
import org.apache.sling.installer.api.tasks.InstallTask;
import org.apache.sling.installer.api.tasks.InstallationContext;
import org.apache.sling.installer.api.tasks.ResourceState;
import org.apache.sling.installer.api.tasks.TaskResource;
import org.apache.sling.installer.api.tasks.TaskResourceGroup;
import org.osgi.service.subsystem.Subsystem;
/**
* This is the subsystem install task.
*/
public class InstallSubsystemTask extends InstallTask {
private static final String INSTALL_ORDER = "53-";
private final Subsystem rootSubsystem;
public InstallSubsystemTask(final TaskResourceGroup grp, final Subsystem rootSubsystem) {
super(grp);
this.rootSubsystem = rootSubsystem;
}
@Override
public void execute(final InstallationContext ctx) {
final TaskResource tr = this.getResource();
ctx.log("Installing new subsystem from {}", tr);
try {
final Subsystem sub = this.rootSubsystem.install(tr.getURL(), tr.getInputStream());
ctx.addTaskToCurrentCycle(new StartSubsystemTask(this.getResourceGroup(), sub));
ctx.log("Installed new subsystem {}", sub);
} catch (final IOException e) {
ctx.log("Unable to install subsystem {} : {}", tr, e);
ctx.addTaskToCurrentCycle(new ChangeStateTask(this.getResourceGroup(), ResourceState.IGNORED));
}
}
@Override
public String getSortKey() {
return INSTALL_ORDER + getResource().getURL();
}
}