Java tutorial
/** * Copyright (c) 2000-present Liferay, Inc. All rights reserved. * * This library 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 library 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. */ package com.liferay.marketplace.bundle; import com.liferay.portal.kernel.deploy.auto.AutoDeployException; import com.liferay.portal.kernel.log.Log; import com.liferay.portal.kernel.log.LogFactoryUtil; import com.liferay.portal.kernel.util.ArrayUtil; import com.liferay.portal.kernel.util.GetterUtil; import com.liferay.portal.kernel.util.ListUtil; import com.liferay.portal.kernel.util.PropsKeys; import com.liferay.portal.kernel.util.PropsUtil; import com.liferay.portal.kernel.util.StreamUtil; import com.liferay.portal.lpkg.deployer.LPKGDeployer; import com.liferay.portal.lpkg.deployer.LPKGVerifier; import com.liferay.portal.util.ShutdownUtil; import java.io.File; import java.io.IOException; import java.io.InputStream; import java.nio.file.Files; import java.nio.file.StandardCopyOption; import java.util.Collections; import java.util.Iterator; import java.util.List; import java.util.Properties; import java.util.jar.Manifest; import java.util.zip.ZipEntry; import java.util.zip.ZipFile; import org.osgi.framework.Bundle; import org.osgi.framework.BundleContext; import org.osgi.framework.BundleException; import org.osgi.framework.Version; import org.osgi.service.component.annotations.Activate; import org.osgi.service.component.annotations.Component; import org.osgi.service.component.annotations.Reference; /** * @author Joan Kim * @author Ryan Park */ @Component(immediate = true, service = BundleManager.class) public class BundleManager { public Bundle getBundle(String symbolicName, String versionString) { Version version = Version.parseVersion(versionString); for (Bundle bundle : getBundles()) { if (symbolicName.equals(bundle.getSymbolicName()) && version.equals(bundle.getVersion())) { return bundle; } } return null; } public List<Bundle> getBundles() { return ListUtil.fromArray(_bundleContext.getBundles()); } public List<Bundle> getInstalledBundles() { List<Bundle> bundles = getBundles(); Iterator<Bundle> itr = bundles.iterator(); while (itr.hasNext()) { Bundle bundle = itr.next(); if (!isInstalled(bundle)) { itr.remove(); } } return bundles; } public Manifest getManifest(File file) { InputStream inputStream = null; ZipFile zipFile = null; try { zipFile = new ZipFile(file); ZipEntry zipEntry = zipFile.getEntry("META-INF/MANIFEST.MF"); if (zipEntry == null) { return null; } inputStream = zipFile.getInputStream(zipEntry); return new Manifest(inputStream); } catch (Exception e) { } finally { StreamUtil.cleanUp(inputStream); if (zipFile != null) { try { zipFile.close(); } catch (IOException ioe) { } } } return null; } public List<Bundle> installLPKG(File file) throws Exception { _lpkgVerifier.verify(file); File installFile = new File(getInstallDirName(), file.getName()); Files.move(file.toPath(), installFile.toPath(), StandardCopyOption.REPLACE_EXISTING); if (isRestartRequired(installFile)) { ShutdownUtil.shutdown(0); return Collections.emptyList(); } List<Bundle> bundles = _lpkgDeployer.deploy(_bundleContext, installFile); for (int i = 1; i < bundles.size(); i++) { Bundle bundle = bundles.get(i); bundle.start(); } return bundles; } public boolean isInstalled(Bundle bundle) { if (ArrayUtil.contains(_INSTALLED_BUNDLE_STATES, bundle.getState())) { return true; } else { return false; } } public boolean isInstalled(String symbolicName, String version) { Bundle bundle = getBundle(symbolicName, version); if (bundle == null) { return false; } return isInstalled(bundle); } public void uninstallBundle(Bundle bundle) { try { bundle.uninstall(); } catch (BundleException be) { _log.error(be, be); } } public void uninstallBundle(String symbolicName, String version) { Bundle bundle = getBundle(symbolicName, version); if (bundle == null) { return; } uninstallBundle(bundle); } @Activate protected void activate(BundleContext bundleContext) { _bundleContext = bundleContext; } protected String getInstallDirName() throws Exception { String[] autoDeployDirNames = PropsUtil.getArray(PropsKeys.MODULE_FRAMEWORK_AUTO_DEPLOY_DIRS); if (ArrayUtil.isEmpty(autoDeployDirNames)) { throw new AutoDeployException( "The portal property \"" + PropsKeys.MODULE_FRAMEWORK_AUTO_DEPLOY_DIRS + "\" is not set"); } String autoDeployDirName = autoDeployDirNames[0]; for (String curDirName : autoDeployDirNames) { if (curDirName.endsWith("/marketplace")) { autoDeployDirName = curDirName; break; } } return autoDeployDirName; } protected boolean isRestartRequired(File file) { try (ZipFile zipFile = new ZipFile(file)) { ZipEntry zipEntry = zipFile.getEntry("liferay-marketplace.properties"); if (zipEntry == null) { return false; } Properties properties = new Properties(); properties.load(zipFile.getInputStream(zipEntry)); return GetterUtil.getBoolean(properties.getProperty("restart-required"), true); } catch (Exception e) { if (_log.isDebugEnabled()) { _log.debug("Unable to read liferay-marketplace.properties from " + file.getName()); } } return false; } private static final int[] _INSTALLED_BUNDLE_STATES = { Bundle.ACTIVE, Bundle.INSTALLED, Bundle.RESOLVED }; private static final Log _log = LogFactoryUtil.getLog(BundleManager.class); private BundleContext _bundleContext; @Reference private LPKGDeployer _lpkgDeployer; @Reference private LPKGVerifier _lpkgVerifier; }