Package org.wildfly.extension.gravia.service

Source Code of org.wildfly.extension.gravia.service.RepositoryService

/*
* #%L
* Wildfly Gravia Subsystem
* %%
* Copyright (C) 2010 - 2013 JBoss by Red Hat
* %%
* This program 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 program 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 General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program.  If not, see
* <http://www.gnu.org/licenses/lgpl-2.1.html>.
* #L%
*/


package org.wildfly.extension.gravia.service;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.Iterator;

import org.jboss.as.controller.ServiceVerificationHandler;
import org.jboss.as.server.ServerEnvironment;
import org.jboss.as.server.ServerEnvironmentService;
import org.jboss.gravia.repository.DefaultMavenIdentityRepository;
import org.jboss.gravia.repository.DefaultPersistentRepository;
import org.jboss.gravia.repository.DefaultRepositoryXMLReader;
import org.jboss.gravia.repository.Repository;
import org.jboss.gravia.repository.RepositoryReader;
import org.jboss.gravia.repository.RepositoryStorage;
import org.jboss.gravia.repository.Repository.ConfigurationPropertyProvider;
import org.jboss.gravia.repository.RepositoryAggregator;
import org.jboss.modules.Module;
import org.jboss.modules.ModuleClassLoader;
import org.jboss.modules.Resource;
import org.jboss.msc.service.AbstractService;
import org.jboss.msc.service.ServiceBuilder;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceTarget;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.value.InjectedValue;
import org.wildfly.extension.gravia.GraviaConstants;

/**
* Service responsible for preloading the {@link Repository}.
*
* @author Thomas.Diesler@jboss.com
* @since 27-Jun-2013
*/
public class RepositoryService extends AbstractService<Repository> {

    private final InjectedValue<ServerEnvironment> injectedServerEnvironment = new InjectedValue<ServerEnvironment>();
    private Repository repository;

    public static ServiceController<Repository> addService(ServiceTarget serviceTarget, ServiceVerificationHandler verificationHandler) {
        RepositoryService service = new RepositoryService();
        ServiceBuilder<Repository> builder = serviceTarget.addService(GraviaConstants.REPOSITORY_SERVICE_NAME, service);
        builder.addDependency(ServerEnvironmentService.SERVICE_NAME, ServerEnvironment.class, service.injectedServerEnvironment);
        builder.addListener(verificationHandler);
        return builder.install();
    }

    // Hide ctor
    private RepositoryService() {
    }

    @Override
    public void start(StartContext startContext) throws StartException {

        // Create the {@link ConfigurationPropertyProvider}
        final ConfigurationPropertyProvider propertyProvider = new ConfigurationPropertyProvider() {
            @Override
            public String getProperty(String key, String defaultValue) {
                String value = null;
                // [TODO] Make this configurable via subsystem properties
                if (Repository.PROPERTY_REPOSITORY_STORAGE_DIR.equals(key)) {
                    try {
                        ServerEnvironment serverenv = injectedServerEnvironment.getValue();
                        File storageDir = new File(serverenv.getServerDataDir().getPath() + File.separator + "repository");
                        value = storageDir.getCanonicalPath();
                    } catch (IOException ex) {
                        throw new IllegalStateException("Cannot create repository storage area");
                    }
                }
                return value != null ? value : defaultValue;
            }
        };

        DefaultMavenIdentityRepository mavenRepo = new DefaultMavenIdentityRepository(propertyProvider);
        repository = new DefaultPersistentRepository(propertyProvider, new RepositoryAggregator(mavenRepo));

        RepositoryStorage storage = repository.adapt(RepositoryStorage.class);

        // Install gravia features to the repository
        ModuleClassLoader classLoader = Module.getCallerModule().getClassLoader();
        Iterator<Resource> itres = classLoader.iterateResources("META-INF/repository-content", false);
        while(itres.hasNext()) {
            Resource res = itres.next();
            try {
                InputStream input = res.openStream();
                RepositoryReader reader = new DefaultRepositoryXMLReader(input);
                org.jboss.gravia.resource.Resource auxres = reader.nextResource();
                while (auxres != null) {
                    if (storage.getResource(auxres.getIdentity()) == null) {
                        storage.addResource(auxres);
                    }
                    auxres = reader.nextResource();
                }
            } catch (IOException e) {
                throw new IllegalStateException("Cannot install feature to repository: " + res.getName());
            }
        }
    }

    @Override
    public Repository getValue() throws IllegalStateException {
        return repository;
    }
}
TOP

Related Classes of org.wildfly.extension.gravia.service.RepositoryService

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.