/*
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 *
 * 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.xwiki.extension.distribution.internal.job.step;

import java.util.Collection;

import javax.inject.Inject;
import javax.inject.Named;

import org.xwiki.component.annotation.Component;
import org.xwiki.component.annotation.InstantiationStrategy;
import org.xwiki.component.descriptor.ComponentInstantiationStrategy;
import org.xwiki.extension.InstalledExtension;
import org.xwiki.extension.repository.InstalledExtensionRepository;

@Component
@Named(OutdatedExtensionsDistributionStep.ID)
@InstantiationStrategy(ComponentInstantiationStrategy.PER_LOOKUP)
public class OutdatedExtensionsDistributionStep extends AbstractDistributionStep
{
    public static final String ID = "extension.outdatedextensions";

    @Inject
    private InstalledExtensionRepository installedRepository;

    public OutdatedExtensionsDistributionStep()
    {
        super(ID);
    }

    @Override
    public void prepare()
    {
        setState(State.COMPLETED);

        // Upgrade outdated extensions only when there is outdated extensions
        for (InstalledExtension extension : this.installedRepository.getInstalledExtensions()) {
            Collection<String> installedNamespaces = extension.getNamespaces();
            if (installedNamespaces == null) {
                if (!extension.isValid(null)) {
                    setState(null);
                    break;
                }
            } else {
                for (String installedNamespace : installedNamespaces) {
                    if (!extension.isValid(installedNamespace)) {
                        setState(null);
                        break;
                    }
                }
            }
        }
    }
}

/*
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 *
 * 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.xwiki.extension.distribution.internal.job.step;

import java.util.Collection;

import javax.inject.Inject;
import javax.inject.Named;

import org.xwiki.component.annotation.Component;
import org.xwiki.component.annotation.InstantiationStrategy;
import org.xwiki.component.descriptor.ComponentInstantiationStrategy;
import org.xwiki.extension.InstalledExtension;
import org.xwiki.extension.repository.InstalledExtensionRepository;

@Component
@Named(OutdatedExtensionsDistributionStep.ID)
@InstantiationStrategy(ComponentInstantiationStrategy.PER_LOOKUP)
public class OutdatedExtensionsDistributionStep extends AbstractDistributionStep
{
    public static final String ID = "extension.outdatedextensions";

    @Inject
    private transient InstalledExtensionRepository installedRepository;

    public OutdatedExtensionsDistributionStep()
    {
        super(ID);
    }

    @Override
    public void prepare()
    {
        setState(State.COMPLETED);

        // Upgrade outdated extensions only when there is outdated extensions
        for (InstalledExtension extension : this.installedRepository.getInstalledExtensions()) {
            Collection<String> installedNamespaces = extension.getNamespaces();
            if (installedNamespaces == null) {
                if (!extension.isValid(null)) {
                    setState(null);
                    break;
                }
            } else {
                for (String installedNamespace : installedNamespaces) {
                    if (!extension.isValid(installedNamespace)) {
                        setState(null);
                        break;
                    }
                }
            }
        }
    }
}

Introduce per wiki distribution status * add missing transient