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.document.library.web.social; import com.liferay.asset.kernel.AssetRendererFactoryRegistryUtil; import com.liferay.asset.kernel.model.AssetRenderer; import com.liferay.asset.kernel.model.AssetRendererFactory; import com.liferay.document.library.kernel.model.DLFileEntry; import com.liferay.document.library.kernel.model.DLFolder; import com.liferay.document.library.kernel.service.DLAppLocalService; import com.liferay.document.library.web.constants.DLPortletKeys; import com.liferay.portal.kernel.repository.model.FileEntry; import com.liferay.portal.kernel.security.permission.PermissionChecker; import com.liferay.portal.kernel.service.ServiceContext; import com.liferay.portal.kernel.util.AggregateResourceBundleLoader; import com.liferay.portal.kernel.util.ResourceBundleLoader; import com.liferay.portal.kernel.util.ResourceBundleLoaderUtil; import com.liferay.portal.kernel.util.StringBundler; import com.liferay.portal.kernel.util.StringPool; import com.liferay.portal.kernel.util.Validator; import com.liferay.portlet.documentlibrary.service.permission.DLFileEntryPermission; import com.liferay.portlet.documentlibrary.social.DLActivityKeys; import com.liferay.social.kernel.model.BaseSocialActivityInterpreter; import com.liferay.social.kernel.model.SocialActivity; import com.liferay.social.kernel.model.SocialActivityConstants; import com.liferay.social.kernel.model.SocialActivityInterpreter; import com.liferay.trash.kernel.util.TrashUtil; import org.osgi.service.component.annotations.Component; import org.osgi.service.component.annotations.Reference; /** * @author Ryan Park * @author Zsolt Berentey */ @Component(property = { "javax.portlet.name=" + DLPortletKeys.DOCUMENT_LIBRARY }, service = SocialActivityInterpreter.class) public class DLFileEntryActivityInterpreter extends BaseSocialActivityInterpreter { @Override public String[] getClassNames() { return _CLASS_NAMES; } @Override protected String getBody(SocialActivity activity, ServiceContext serviceContext) throws Exception { FileEntry fileEntry = _dlAppLocalService.getFileEntry(activity.getClassPK()); if (TrashUtil.isInTrash(DLFileEntry.class.getName(), fileEntry.getFileEntryId())) { return StringPool.BLANK; } StringBundler sb = new StringBundler(3); AssetRendererFactory<?> assetRendererFactory = AssetRendererFactoryRegistryUtil .getAssetRendererFactoryByClassName(DLFileEntry.class.getName()); AssetRenderer<?> assetRenderer = assetRendererFactory.getAssetRenderer(fileEntry.getFileEntryId()); String fileEntryLink = assetRenderer.getURLDownload(serviceContext.getThemeDisplay()); sb.append(wrapLink(fileEntryLink, "download-file", serviceContext)); sb.append(StringPool.SPACE); String folderLink = getFolderLink(fileEntry, serviceContext); folderLink = addNoSuchEntryRedirect(folderLink, DLFolder.class.getName(), fileEntry.getFolderId(), serviceContext); sb.append(wrapLink(folderLink, "go-to-folder", serviceContext)); return sb.toString(); } protected String getFolderLink(FileEntry fileEntry, ServiceContext serviceContext) { StringBundler sb = new StringBundler(6); sb.append(serviceContext.getPortalURL()); sb.append(serviceContext.getPathMain()); sb.append("/document_library/find_folder?groupId="); sb.append(fileEntry.getRepositoryId()); sb.append("&folderId="); sb.append(fileEntry.getFolderId()); return sb.toString(); } @Override protected String getPath(SocialActivity activity, ServiceContext serviceContext) { return "/document_library/find_file_entry?fileEntryId=" + activity.getClassPK(); } @Override protected ResourceBundleLoader getResourceBundleLoader() { return _resourceBundleLoader; } @Override protected Object[] getTitleArguments(String groupName, SocialActivity activity, String link, String title, ServiceContext serviceContext) throws Exception { if (activity.getType() == SocialActivityConstants.TYPE_ADD_COMMENT) { String creatorUserName = getUserName(activity.getUserId(), serviceContext); String receiverUserName = getUserName(activity.getReceiverUserId(), serviceContext); return new Object[] { groupName, creatorUserName, receiverUserName, wrapLink(link, title) }; } else { return super.getTitleArguments(groupName, activity, link, title, serviceContext); } } @Override protected String getTitlePattern(String groupName, SocialActivity activity) { int activityType = activity.getType(); if (activityType == DLActivityKeys.ADD_FILE_ENTRY) { if (Validator.isNull(groupName)) { return "activity-document-library-file-add-file"; } else { return "activity-document-library-file-add-file-in"; } } else if (activityType == DLActivityKeys.UPDATE_FILE_ENTRY) { if (Validator.isNull(groupName)) { return "activity-document-library-file-update-file"; } else { return "activity-document-library-file-update-file-in"; } } else if (activityType == SocialActivityConstants.TYPE_ADD_COMMENT) { if (Validator.isNull(groupName)) { return "activity-document-library-file-add-comment"; } else { return "activity-document-library-file-add-comment-in"; } } else if (activityType == SocialActivityConstants.TYPE_MOVE_TO_TRASH) { if (Validator.isNull(groupName)) { return "activity-document-library-file-move-to-trash"; } else { return "activity-document-library-file-move-to-trash-in"; } } else if (activityType == SocialActivityConstants.TYPE_RESTORE_FROM_TRASH) { if (Validator.isNull(groupName)) { return "activity-document-library-file-restore-from-trash"; } else { return "activity-document-library-file-restore-from-trash-in"; } } return null; } @Override protected boolean hasPermissions(PermissionChecker permissionChecker, SocialActivity activity, String actionId, ServiceContext serviceContext) throws Exception { return DLFileEntryPermission.contains(permissionChecker, activity.getClassPK(), actionId); } @Reference(unbind = "-") protected void setDLAppLocalService(DLAppLocalService dlAppLocalService) { _dlAppLocalService = dlAppLocalService; } @Reference(target = "(bundle.symbolic.name=com.liferay.document.library.web)", unbind = "-") protected void setResourceBundleLoader(ResourceBundleLoader resourceBundleLoader) { _resourceBundleLoader = new AggregateResourceBundleLoader(resourceBundleLoader, ResourceBundleLoaderUtil.getPortalResourceBundleLoader()); } private static final String[] _CLASS_NAMES = { DLFileEntry.class.getName() }; private DLAppLocalService _dlAppLocalService; private ResourceBundleLoader _resourceBundleLoader; }