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.server.manager.internal.executor; import com.liferay.portal.kernel.deploy.DeployManagerUtil; import com.liferay.portal.kernel.deploy.auto.context.AutoDeploymentContext; import com.liferay.portal.kernel.json.JSONArray; import com.liferay.portal.kernel.json.JSONFactoryUtil; import com.liferay.portal.kernel.json.JSONObject; import com.liferay.portal.kernel.log.Log; import com.liferay.portal.kernel.log.LogFactoryUtil; import com.liferay.portal.kernel.plugin.PluginPackage; import com.liferay.portal.kernel.util.ArrayUtil; import com.liferay.portal.kernel.util.FileUtil; import com.liferay.portal.kernel.util.ServerDetector; import com.liferay.portal.kernel.util.SystemProperties; import com.liferay.portal.kernel.uuid.PortalUUIDUtil; import com.liferay.server.manager.internal.constants.JSONKeys; import java.io.BufferedReader; import java.io.File; import java.io.FileReader; import java.io.FilenameFilter; import java.util.ArrayList; import java.util.Arrays; import java.util.Comparator; import java.util.List; import java.util.Queue; import javax.servlet.http.HttpServletRequest; import org.apache.commons.fileupload.FileItem; import org.apache.commons.fileupload.FileUploadException; import org.apache.commons.fileupload.disk.DiskFileItemFactory; import org.apache.commons.fileupload.servlet.ServletFileUpload; import org.apache.commons.io.FileUtils; import org.osgi.service.component.annotations.Component; /** * @author Jonathan Potter * @author Brian Wing Shun Chan */ @Component(immediate = true, property = { "server.manager.executor.path=/plugins/plugin" }, service = Executor.class) public class PluginExecutor extends BaseExecutor { @Override public void executeCreate(HttpServletRequest request, JSONObject responseJSONObject, Queue<String> arguments) throws Exception { AutoDeploymentContext autoDeploymentContext = new AutoDeploymentContext(); String context = arguments.poll(); autoDeploymentContext.setContext(context); File tempFile = getTempFile(request, responseJSONObject); if (tempFile == null) { return; } autoDeploymentContext.setFile(tempFile); DeployManagerUtil.deploy(autoDeploymentContext); boolean success = FileUtils.deleteQuietly(tempFile.getParentFile()); if (success) { return; } String message = "Unable to remove temp directory " + tempFile.getParentFile(); _log.error(message); responseJSONObject.put(JSONKeys.ERROR, message); success = FileUtils.deleteQuietly(tempFile); if (success) { return; } message = "Unable to remove temp file " + tempFile; _log.error(message); responseJSONObject.put(JSONKeys.ERROR, message); } @Override public void executeDelete(HttpServletRequest request, JSONObject responseJSONObject, Queue<String> arguments) throws Exception { String context = arguments.poll(); DeployManagerUtil.undeploy(context); } @Override public void executeRead(HttpServletRequest request, JSONObject responseJSONObject, Queue<String> arguments) { JSONObject pluginPackageJSONObject = JSONFactoryUtil.createJSONObject(); String context = arguments.poll(); PluginPackage pluginPackage = DeployManagerUtil.getInstalledPluginPackage(context); boolean installed = true; if (pluginPackage == null) { installed = false; } pluginPackageJSONObject.put("installed", installed); boolean started = true; if (pluginPackage == null) { started = false; } pluginPackageJSONObject.put("started", started); List<String> types = new ArrayList<>(); if (pluginPackage != null) { types = pluginPackage.getTypes(); } JSONArray typesJSONArray = JSONFactoryUtil.createJSONArray(); for (String type : types) { typesJSONArray.put(type); } pluginPackageJSONObject.put("types", typesJSONArray); responseJSONObject.put(JSONKeys.OUTPUT, pluginPackageJSONObject); } @Override public void executeUpdate(HttpServletRequest request, JSONObject responseJSONObject, Queue<String> arguments) throws Exception { String context = arguments.poll(); List<File> installedDirs = getInstalledDirectories(context); for (File installedDir : installedDirs) { if (!installedDir.exists()) { responseJSONObject.put(JSONKeys.ERROR, "Context directory " + installedDir.getAbsolutePath() + " does not exist"); responseJSONObject.put(JSONKeys.STATUS, 1); return; } } File tempFile = getTempFile(request, responseJSONObject); if (tempFile == null) { return; } for (File deployDirectory : installedDirs) { FileUtil.unzip(tempFile, deployDirectory); } File partialAppDeletePropsFile = new File(installedDirs.get(0), "META-INF/liferay-partialapp-delete.props"); if (!partialAppDeletePropsFile.exists()) { return; } BufferedReader bufferedReader = new BufferedReader(new FileReader(partialAppDeletePropsFile)); String line = null; while ((line = bufferedReader.readLine()) != null) { for (File deployDirectory : installedDirs) { File staleFile = new File(deployDirectory, line.trim()); if (!staleFile.exists()) { continue; } boolean success = FileUtils.deleteQuietly(staleFile); if (success) { continue; } String message = "Unable to delete file " + staleFile.getAbsolutePath(); _log.error(message); responseJSONObject.put(JSONKeys.ERROR, message); } } FileUtils.deleteQuietly(partialAppDeletePropsFile); if (_log.isInfoEnabled()) { _log.info("Successfully updated " + context); } } protected FileItem getFileItem(HttpServletRequest request) throws FileUploadException { DiskFileItemFactory diskFileItemFactory = new DiskFileItemFactory(); ServletFileUpload servletFileUpload = new ServletFileUpload(diskFileItemFactory); List<FileItem> fileItems = servletFileUpload.parseRequest(request); for (FileItem fileItem : fileItems) { if (!fileItem.isFormField()) { return fileItem; } } return null; } protected File getFileItemTempFile(HttpServletRequest request) throws Exception { FileItem fileItem = getFileItem(request); if (fileItem == null) { return null; } File tempDir = new File(SystemProperties.get(SystemProperties.TMP_DIR), PortalUUIDUtil.generate()); if (!tempDir.mkdirs()) { return null; } File tempFile = new File(tempDir, fileItem.getName()); fileItem.write(tempFile); return tempFile; } protected List<File> getInstalledDirectories(final String context) throws Exception { List<File> installedDirs = new ArrayList<>(); String installedDirName = DeployManagerUtil.getInstalledDir(); File installedDir = new File(installedDirName, context); if (installedDir.exists()) { installedDirs.add(installedDir); } else { File deployWarDir = new File(installedDirName, context + ".war"); installedDirs.add(deployWarDir); } if (ServerDetector.isTomcat()) { File tempDir = new File(SystemProperties.get(SystemProperties.TMP_DIR)); File[] tempContextDirs = tempDir.listFiles(new FilenameFilter() { @Override public boolean accept(File dir, String name) { if (name.endsWith("-" + context)) { return true; } return false; } }); if (ArrayUtil.isNotEmpty(tempContextDirs)) { Arrays.sort(tempContextDirs, new Comparator<File>() { @Override public int compare(File file1, File file2) { String fileName1 = file1.getName(); String fileName2 = file2.getName(); return fileName1.compareTo(fileName2); } }); File tempContextDir = tempContextDirs[tempContextDirs.length - 1]; installedDirs.add(tempContextDir); } } return installedDirs; } protected File getTempFile(HttpServletRequest request, JSONObject responseJSONObject) { File tempFile = null; String message = "Unable to create temp file for uploaded plugin"; try { tempFile = getFileItemTempFile(request); } catch (Exception e) { _log.error(message, e); } if (tempFile != null) { return tempFile; } responseJSONObject.put(JSONKeys.ERROR, message); responseJSONObject.put(JSONKeys.STATUS, 1); return null; } private static final Log _log = LogFactoryUtil.getLog(PluginExecutor.class); }