Java tutorial
/* =============================================================================== * * Part of the InfoGlue Content Management Platform (www.infoglue.org) * * =============================================================================== * * Copyright (C) * * This program is free software; you can redistribute it and/or modify it under * the terms of the GNU General Public License version 2, as published by the * Free Software Foundation. See the file LICENSE.html for more information. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY, including the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along with * this program; if not, write to the Free Software Foundation, Inc. / 59 Temple * Place, Suite 330 / Boston, MA 02111-1307 / USA. * * =============================================================================== */ package org.infoglue.cms.applications.managementtool.actions; import java.io.File; import java.io.FileInputStream; import java.io.InputStream; import java.util.ArrayList; import java.util.Enumeration; import java.util.Iterator; import java.util.List; import org.apache.commons.httpclient.HttpClient; import org.apache.commons.httpclient.HttpMethod; import org.apache.commons.httpclient.StatusLine; import org.apache.commons.httpclient.methods.GetMethod; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.apache.pluto.om.common.Preference; import org.apache.pluto.om.common.PreferenceSet; import org.apache.pluto.om.entity.PortletApplicationEntityList; import org.apache.pluto.om.portlet.PortletApplicationDefinition; import org.apache.pluto.om.portlet.PortletDefinition; import org.apache.pluto.om.portlet.PortletDefinitionList; import org.apache.pluto.portalImpl.services.portletentityregistry.PortletEntityRegistry; import org.infoglue.cms.applications.common.actions.InfoGlueAbstractAction; import org.infoglue.cms.controllers.kernel.impl.simple.PortletAssetController; import org.infoglue.cms.entities.content.DigitalAsset; import org.infoglue.cms.entities.content.DigitalAssetVO; import org.infoglue.cms.exception.SystemException; import org.infoglue.cms.util.CmsPropertyHandler; import org.infoglue.deliver.portal.deploy.Deploy; import org.infoglue.deliver.portal.om.PortletApplicationEntityImpl; import org.infoglue.deliver.portal.om.PortletApplicationEntityListImpl; import org.infoglue.deliver.portal.om.PortletEntityImpl; import org.infoglue.deliver.portal.om.PreferenceImpl; import org.infoglue.deliver.portal.om.PreferenceSetImpl; import webwork.action.ActionContext; import webwork.multipart.MultiPartRequestWrapper; /** * Upload a portlet-war. The war-file is stored as a digital asset. * * @author jand * */ public class UploadPortletAction extends InfoGlueAbstractAction { private static final Log log = LogFactory.getLog(UploadPortletAction.class); private static final String PORTLET_DEPLOY_PREFIX = "portlet.deploy"; private DigitalAsset digitalAsset; public String doExecute() //throws Exception { try { MultiPartRequestWrapper mpr = ActionContext.getMultiPartRequest(); if (mpr == null) { return "input"; } log.debug("Handling upload..."); Enumeration names = mpr.getFileNames(); if (names.hasMoreElements()) { String name = (String) names.nextElement(); log.debug("name:" + name); File uploadedFile = mpr.getFile(name); if (uploadedFile == null || uploadedFile.length() == 0) { log.error("No file found in multipart request"); return "input"; } String contentType = mpr.getContentType(name); String fileName = mpr.getFilesystemName(name); String filePath = CmsPropertyHandler.getDigitalAssetPath(); log.debug("fileName:" + fileName); // Pluto prepare portlet-war String appName = fileName; int dot = appName.lastIndexOf("."); if (dot > 0) { appName = appName.substring(0, dot); } log.info("appName:" + appName); // Create file where Deployer will write updated // (pluto-prepared) .war File file = new File(uploadedFile.getParentFile(), "tmp" + System.currentTimeMillis()); log.info("file:" + file.getAbsolutePath()); PortletApplicationDefinition pad = Deploy.prepareArchive(uploadedFile, file, appName); // Extract portlet application information to be added to // portlet entity registry log.info("Adding portlet application to registry: " + appName); PortletApplicationEntityImpl pae = new PortletApplicationEntityImpl(); pae.setId(appName); PortletDefinitionList pdl = pad.getPortletDefinitionList(); for (Iterator it = pdl.iterator(); it.hasNext();) { PortletDefinition pd = (PortletDefinition) it.next(); log.debug("Adding portlet: " + pd.getName()); PortletEntityImpl pe = new PortletEntityImpl(); pe.setId(pd.getName()); // Copy preferences ArrayList destPrefs = new ArrayList(); PreferenceSet prefSet = pd.getPreferenceSet(); for (Iterator prefs = prefSet.iterator(); prefs.hasNext();) { Preference src = (Preference) prefs.next(); ArrayList destValues = new ArrayList(); for (Iterator values = src.getValues(); values.hasNext();) { destValues.add(values.next()); } destPrefs.add(new PreferenceImpl(src.getName(), destValues)); } pe.setPreferenceSet(new PreferenceSetImpl(destPrefs)); pae.addPortletEntity(pe); } // Create Digital Asset log.debug("Creating Digital Asset..."); DigitalAssetVO newAsset = new DigitalAssetVO(); newAsset.setAssetContentType(contentType); newAsset.setAssetKey(fileName); newAsset.setAssetFileName(fileName); newAsset.setAssetFilePath(filePath); newAsset.setAssetFileSize(new Integer(new Long(file.length()).intValue())); // Check existance of portlet and remove old ones List assets = PortletAssetController.getDigitalAssetByName(fileName); if (assets != null && assets.size() > 0) { log.info("Removing old instance of " + fileName); for (Iterator it = assets.iterator(); it.hasNext();) { DigitalAsset oldAsset = (DigitalAsset) it.next(); PortletAssetController.delete(oldAsset.getId()); } } log.info("Storing Digital Asset (portlet) " + fileName); InputStream is = new FileInputStream(file); digitalAsset = PortletAssetController.create(newAsset, is); is.close(); log.debug("Digital Asset stored as id=" + digitalAsset.getId()); // Cleanup uploadedFile.delete(); file.delete(); // Add the new application to portlet registry // Update persisted portlet registry // TODO check existance first? PortletApplicationEntityList pael = PortletEntityRegistry.getPortletApplicationEntityList(); if (pael instanceof PortletApplicationEntityListImpl) { ((PortletApplicationEntityListImpl) pael).add(pae); log.debug("Portlet application successfully added to registry"); } else { log.error("Unknown implementation of PortletApplicationEntityList, " + "cannot add portlet application!"); return "error"; } PortletEntityRegistry.store(); // Refresh deliver-engines updateDeliverEngines(digitalAsset.getId()); } else { throw new SystemException("No file was uploaded..."); } } catch (Throwable e) { log.error("ERROR", e); return "error"; } return "success"; } /** * Report to deliver engines that a portlet has been uploaded * * @param contentId * contentId of portlet */ private void updateDeliverEngines(Integer digitalAssetId) { List allUrls = CmsPropertyHandler.getInternalDeliveryUrls(); allUrls.addAll(CmsPropertyHandler.getPublicDeliveryUrls()); Iterator urlIterator = allUrls.iterator(); while (urlIterator.hasNext()) { String url = (String) urlIterator.next() + "/DeployPortlet.action"; try { HttpClient client = new HttpClient(); // establish a connection within 5 seconds client.setConnectionTimeout(5000); // set the default credentials HttpMethod method = new GetMethod(url); method.setQueryString("digitalAssetId=" + digitalAssetId); method.setFollowRedirects(true); // execute the method client.executeMethod(method); StatusLine status = method.getStatusLine(); if (status != null && status.getStatusCode() == 200) { log.info("Successfully deployed portlet at " + url); } else { log.warn("Failed to deploy portlet at " + url + ": " + status); } //clean up the connection resources method.releaseConnection(); } catch (Exception e) { e.printStackTrace(); } } /* Properties props = CmsPropertyHandler.getProperties(); for (Enumeration keys = props.keys(); keys.hasMoreElements();) { String key = (String) keys.nextElement(); if (key.startsWith(PORTLET_DEPLOY_PREFIX)) { String url = props.getProperty(key); try { HttpClient client = new HttpClient(); //establish a connection within 5 seconds client.setConnectionTimeout(5000); //set the default credentials HttpMethod method = new GetMethod(url); method.setQueryString("digitalAssetId=" + digitalAssetId); method.setFollowRedirects(true); //execute the method client.executeMethod(method); StatusLine status = method.getStatusLine(); if (status != null && status.getStatusCode() == 200) { log.info("Successfully deployed portlet at " + url); } else { log.warn("Failed to deploy portlet at " + url + ": " + status); } //clean up the connection resources method.releaseConnection(); } catch (Throwable e) { log.error(e.getMessage(), e); } } } */ } /** * @return */ public DigitalAsset getDigitalAsset() { return digitalAsset; } }