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.configuration.admin.web.internal.portlet.action; import com.liferay.configuration.admin.constants.ConfigurationAdminPortletKeys; import com.liferay.configuration.admin.web.internal.exporter.ConfigurationExporter; import com.liferay.configuration.admin.web.internal.model.ConfigurationModel; import com.liferay.configuration.admin.web.internal.util.AttributeDefinitionUtil; import com.liferay.configuration.admin.web.internal.util.ConfigurationModelRetriever; import com.liferay.petra.string.StringPool; import com.liferay.portal.configuration.metatype.definitions.ExtendedAttributeDefinition; import com.liferay.portal.configuration.metatype.definitions.ExtendedObjectClassDefinition; import com.liferay.portal.kernel.portlet.PortletResponseUtil; import com.liferay.portal.kernel.portlet.bridges.mvc.MVCResourceCommand; import com.liferay.portal.kernel.theme.ThemeDisplay; import com.liferay.portal.kernel.util.ContentTypes; import com.liferay.portal.kernel.util.ParamUtil; import com.liferay.portal.kernel.util.Validator; import com.liferay.portal.kernel.util.WebKeys; import com.liferay.portal.kernel.zip.ZipWriter; import com.liferay.portal.kernel.zip.ZipWriterFactoryUtil; import java.io.FileInputStream; import java.util.List; import java.util.Map; import java.util.Properties; import javax.portlet.MimeResponse; import javax.portlet.PortletException; import javax.portlet.ResourceRequest; import javax.portlet.ResourceResponse; import org.osgi.service.cm.Configuration; import org.osgi.service.component.annotations.Component; import org.osgi.service.component.annotations.Reference; import org.osgi.service.metatype.AttributeDefinition; /** * @author Brian Wing Shun Chan * @author Vilmos Papp * @author Eduardo Garcia * @author Raymond Aug */ @Component(immediate = true, property = { "javax.portlet.name=" + ConfigurationAdminPortletKeys.SYSTEM_SETTINGS, "mvc.command.name=export" }, service = MVCResourceCommand.class) public class ExportConfigurationMVCResourceCommand implements MVCResourceCommand { @Override public boolean serveResource(ResourceRequest resourceRequest, ResourceResponse resourceResponse) throws PortletException { if (!(resourceResponse instanceof MimeResponse)) { return false; } String pid = ParamUtil.getString(resourceRequest, "pid"); String factoryPid = ParamUtil.getString(resourceRequest, "factoryPid"); try { if (Validator.isNotNull(pid)) { exportPid(resourceRequest, resourceResponse); } else if (Validator.isNotNull(factoryPid)) { exportFactoryPid(resourceRequest, resourceResponse); } else { exportAll(resourceRequest, resourceResponse); } } catch (Exception e) { throw new PortletException(e); } return true; } protected void exportAll(ResourceRequest resourceRequest, ResourceResponse resourceResponse) throws Exception { ThemeDisplay themeDisplay = (ThemeDisplay) resourceRequest.getAttribute(WebKeys.THEME_DISPLAY); String languageId = themeDisplay.getLanguageId(); ZipWriter zipWriter = ZipWriterFactoryUtil.getZipWriter(); Map<String, ConfigurationModel> configurationModels = _configurationModelRetriever .getConfigurationModels(themeDisplay.getLanguageId()); for (ConfigurationModel configurationModel : configurationModels.values()) { if (configurationModel.isFactory()) { String curFactoryPid = configurationModel.getFactoryPid(); List<ConfigurationModel> factoryInstances = _configurationModelRetriever .getFactoryInstances(configurationModel); for (ConfigurationModel factoryInstance : factoryInstances) { String curPid = factoryInstance.getID(); String curFileName = getFileName(curFactoryPid, curPid); zipWriter.addEntry(curFileName, ConfigurationExporter .getPropertiesAsBytes(getProperties(languageId, curFactoryPid, curPid))); } } else if (configurationModel.hasConfiguration()) { String curPid = configurationModel.getID(); String curFileName = getFileName(null, curPid); zipWriter.addEntry(curFileName, ConfigurationExporter.getPropertiesAsBytes(getProperties(languageId, curPid, curPid))); } } String fileName = "liferay-system-settings.zip"; PortletResponseUtil.sendFile(resourceRequest, resourceResponse, fileName, new FileInputStream(zipWriter.getFile()), ContentTypes.APPLICATION_ZIP); } protected void exportFactoryPid(ResourceRequest resourceRequest, ResourceResponse resourceResponse) throws Exception { ThemeDisplay themeDisplay = (ThemeDisplay) resourceRequest.getAttribute(WebKeys.THEME_DISPLAY); String languageId = themeDisplay.getLanguageId(); ZipWriter zipWriter = ZipWriterFactoryUtil.getZipWriter(); String factoryPid = ParamUtil.getString(resourceRequest, "factoryPid"); Map<String, ConfigurationModel> configurationModels = _configurationModelRetriever .getConfigurationModels(themeDisplay.getLanguageId()); ConfigurationModel factoryConfigurationModel = configurationModels.get(factoryPid); List<ConfigurationModel> factoryInstances = _configurationModelRetriever .getFactoryInstances(factoryConfigurationModel); for (ConfigurationModel factoryInstance : factoryInstances) { String curPid = factoryInstance.getID(); String curFileName = getFileName(factoryPid, curPid); zipWriter.addEntry(curFileName, ConfigurationExporter.getPropertiesAsBytes(getProperties(languageId, factoryPid, curPid))); } String fileName = "liferay-system-settings-" + factoryConfigurationModel.getFactoryPid() + ".zip"; PortletResponseUtil.sendFile(resourceRequest, resourceResponse, fileName, new FileInputStream(zipWriter.getFile()), ContentTypes.APPLICATION_ZIP); } protected void exportPid(ResourceRequest resourceRequest, ResourceResponse resourceResponse) throws Exception { String factoryPid = ParamUtil.getString(resourceRequest, "factoryPid"); String pid = ParamUtil.getString(resourceRequest, "pid"); ThemeDisplay themeDisplay = (ThemeDisplay) resourceRequest.getAttribute(WebKeys.THEME_DISPLAY); String languageId = themeDisplay.getLanguageId(); String fileName = getFileName(factoryPid, pid); PortletResponseUtil.sendFile(resourceRequest, resourceResponse, fileName, ConfigurationExporter.getPropertiesAsBytes(getProperties(languageId, factoryPid, pid)), ContentTypes.TEXT_XML_UTF8); } protected String getFileName(String factoryPid, String pid) { String fileName = pid; if (Validator.isNotNull(factoryPid) && !factoryPid.equals(pid)) { String factoryInstanceId = pid.substring(factoryPid.length() + 1); fileName = factoryPid + StringPool.DASH + factoryInstanceId; } return fileName + ".config"; } protected Properties getProperties(String languageId, String factoryPid, String pid) throws Exception { Properties properties = new Properties(); Map<String, ConfigurationModel> configurationModels = _configurationModelRetriever .getConfigurationModels(languageId); ConfigurationModel configurationModel = configurationModels.get(pid); if ((configurationModel == null) && Validator.isNotNull(factoryPid)) { configurationModel = configurationModels.get(factoryPid); } if (configurationModel == null) { return properties; } Configuration configuration = _configurationModelRetriever.getConfiguration(pid); if (configuration == null) { return properties; } ExtendedObjectClassDefinition extendedObjectClassDefinition = configurationModel .getExtendedObjectClassDefinition(); ExtendedAttributeDefinition[] attributeDefinitions = extendedObjectClassDefinition .getAttributeDefinitions(ConfigurationModel.ALL); for (AttributeDefinition attributeDefinition : attributeDefinitions) { String[] values = AttributeDefinitionUtil.getProperty(attributeDefinition, configuration); if (values.length == 1) { properties.put(attributeDefinition.getID(), values[0]); } else if (values.length > 1) { properties.put(attributeDefinition.getID(), values); } } return properties; } @Reference private ConfigurationModelRetriever _configurationModelRetriever; }