/*
* 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.core.impl.tasks;
import java.util.Collections;
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.TaskResourceGroup;
import org.apache.sling.installer.core.impl.AbstractInstallTask;
import org.osgi.framework.Bundle;
/**
* Update the installer itself
*/
public class InstallerBundleUpdateTask extends AbstractInstallTask {
private static final String BUNDLE_UPDATE_ORDER = "02-";
private final Integer count;
public InstallerBundleUpdateTask(final TaskResourceGroup r,
final TaskSupport taskSupport) {
super(r, taskSupport);
this.count = (Integer)this.getResource().getAttribute(InstallTask.ASYNC_ATTR_NAME);
}
/**
* @see org.apache.sling.installer.api.tasks.InstallTask#execute(org.apache.sling.installer.api.tasks.InstallationContext)
*/
public void execute(final InstallationContext ctx) {
final Bundle b = this.getBundleContext().getBundle();
if ( this.count == null ) {
// first step: update bundle
try {
b.update(getResource().getInputStream());
ctx.log("Updated bundle {} from resource {}", b, getResource());
} catch (final Exception e) {
getLogger().info("Removing failing tasks - unable to retry: " + this, e);
this.setFinishedState(ResourceState.IGNORED);
ctx.asyncTaskFailed(this);
}
} else if ( this.count == 1 ) {
// second step: refresh
this.getBundleRefresher().refreshBundles(ctx, Collections.singletonList(b), false);
} else {
// finished
this.getResource().setAttribute(ASYNC_ATTR_NAME, null);
this.setFinishedState(ResourceState.INSTALLED);
}
}
@Override
public boolean isAsynchronousTask() {
return this.count == null || this.count == 1;
}
@Override
public String getSortKey() {
return BUNDLE_UPDATE_ORDER + getResource().getEntityId();
}
}