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.asset; import com.liferay.asset.kernel.model.AssetRendererFactory; import com.liferay.asset.kernel.model.BaseJSPAssetRenderer; import com.liferay.asset.kernel.model.DDMFormValuesReader; import com.liferay.document.library.kernel.model.DLFileEntry; import com.liferay.document.library.kernel.model.DLFileEntryConstants; import com.liferay.document.library.kernel.service.DLFileEntryLocalService; import com.liferay.document.library.kernel.service.DLFileEntryLocalServiceUtil; import com.liferay.document.library.kernel.util.DLUtil; import com.liferay.document.library.web.constants.DLPortletKeys; import com.liferay.portal.kernel.exception.PortalException; import com.liferay.portal.kernel.model.Group; import com.liferay.portal.kernel.portlet.LiferayPortletRequest; import com.liferay.portal.kernel.portlet.LiferayPortletResponse; import com.liferay.portal.kernel.repository.model.FileEntry; import com.liferay.portal.kernel.repository.model.FileVersion; import com.liferay.portal.kernel.security.permission.ActionKeys; import com.liferay.portal.kernel.security.permission.PermissionChecker; import com.liferay.portal.kernel.service.GroupLocalServiceUtil; import com.liferay.portal.kernel.theme.ThemeDisplay; import com.liferay.portal.kernel.trash.TrashRenderer; import com.liferay.portal.kernel.util.CharPool; import com.liferay.portal.kernel.util.FileUtil; import com.liferay.portal.kernel.util.ParamUtil; import com.liferay.portal.kernel.util.PortalUtil; import com.liferay.portal.kernel.util.StringBundler; import com.liferay.portal.kernel.util.StringPool; import com.liferay.portal.kernel.util.Validator; import com.liferay.portal.kernel.util.WebKeys; import com.liferay.portal.util.PropsValues; import com.liferay.portlet.documentlibrary.asset.DLFileEntryDDMFormValuesReader; import com.liferay.portlet.documentlibrary.service.permission.DLFileEntryPermission; import com.liferay.portlet.documentlibrary.util.DocumentConversionUtil; import com.liferay.trash.kernel.util.TrashUtil; import java.util.Date; import java.util.Locale; import javax.portlet.ActionRequest; import javax.portlet.PortletRequest; import javax.portlet.PortletResponse; import javax.portlet.PortletURL; import javax.portlet.WindowState; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; /** * @author Julio Camarero * @author Juan Fernndez * @author Sergio Gonzlez * @author Zsolt Berentey */ public class DLFileEntryAssetRenderer extends BaseJSPAssetRenderer<FileEntry> implements TrashRenderer { /** * @deprecated As of 1.2.0 */ @Deprecated public DLFileEntryAssetRenderer(FileEntry fileEntry, FileVersion fileVersion) { this(fileEntry, fileVersion, DLFileEntryLocalServiceUtil.getService()); } public DLFileEntryAssetRenderer(FileEntry fileEntry, FileVersion fileVersion, DLFileEntryLocalService dlFileEntryLocalService) { _fileEntry = fileEntry; _fileVersion = fileVersion; _dlFileEntryLocalService = dlFileEntryLocalService; } @Override public FileEntry getAssetObject() { return _fileEntry; } @Override public String getClassName() { return DLFileEntry.class.getName(); } @Override public long getClassPK() { if (!_fileVersion.isApproved() && _fileVersion.isDraft() && !_fileVersion.isPending() && !_fileVersion.getVersion().equals(DLFileEntryConstants.VERSION_DEFAULT)) { return _fileVersion.getFileVersionId(); } else { return _fileEntry.getFileEntryId(); } } @Override public DDMFormValuesReader getDDMFormValuesReader() { return new DLFileEntryDDMFormValuesReader(_fileEntry, _fileVersion); } @Override public String getDiscussionPath() { if (PropsValues.DL_FILE_ENTRY_COMMENTS_ENABLED) { return "edit_file_entry_discussion"; } else { return null; } } /** * @deprecated As of 1.1.0, with no direct replacement */ @Deprecated @Override public Date getDisplayDate() { return _fileEntry.getModifiedDate(); } @Override public long getGroupId() { return _fileEntry.getGroupId(); } @Override public String getIconCssClass() { return _fileEntry.getIconCssClass(); } @Override public String getJspPath(HttpServletRequest request, String template) { if (template.equals(TEMPLATE_ABSTRACT) || template.equals(TEMPLATE_FULL_CONTENT)) { return "/document_library/asset/file_entry_" + template + ".jsp"; } else { return null; } } @Override public String getNewName(String oldName, String token) { String extension = FileUtil.getExtension(oldName); if (Validator.isNull(extension)) { return super.getNewName(oldName, token); } StringBundler sb = new StringBundler(5); int index = oldName.lastIndexOf(CharPool.PERIOD); sb.append(oldName.substring(0, index)); sb.append(StringPool.SPACE); sb.append(token); sb.append(StringPool.PERIOD); sb.append(extension); return sb.toString(); } @Override public String getPortletId() { AssetRendererFactory<FileEntry> assetRendererFactory = getAssetRendererFactory(); return assetRendererFactory.getPortletId(); } @Override public int getStatus() { return _fileVersion.getStatus(); } @Override public String getSummary(PortletRequest portletRequest, PortletResponse portletResponse) { return _fileEntry.getDescription(); } @Override public String[] getSupportedConversions() { return DocumentConversionUtil.getConversions(_fileEntry.getExtension()); } @Override public String getThumbnailPath(PortletRequest portletRequest) throws Exception { ThemeDisplay themeDisplay = (ThemeDisplay) portletRequest.getAttribute(WebKeys.THEME_DISPLAY); String thumbnailSrc = DLUtil.getThumbnailSrc(_fileEntry, themeDisplay); if (Validator.isNotNull(thumbnailSrc)) { return thumbnailSrc; } return super.getThumbnailPath(portletRequest); } @Override public String getTitle(Locale locale) { String title = null; if (getAssetRendererType() == AssetRendererFactory.TYPE_LATEST) { title = _fileVersion.getTitle(); } else { title = _fileEntry.getTitle(); } return TrashUtil.getOriginalTitle(title); } @Override public String getType() { return DLFileEntryAssetRendererFactory.TYPE; } @Override public String getURLDownload(ThemeDisplay themeDisplay) { return DLUtil.getPreviewURL(_fileEntry, _fileVersion, themeDisplay, StringPool.BLANK); } @Override public PortletURL getURLEdit(LiferayPortletRequest liferayPortletRequest, LiferayPortletResponse liferayPortletResponse) throws Exception { Group group = GroupLocalServiceUtil.fetchGroup(_fileEntry.getGroupId()); PortletURL portletURL = PortalUtil.getControlPanelPortletURL(liferayPortletRequest, group, DLPortletKeys.DOCUMENT_LIBRARY, 0, 0, PortletRequest.RENDER_PHASE); portletURL.setParameter("mvcRenderCommandName", "/document_library/edit_file_entry"); portletURL.setParameter("fileEntryId", String.valueOf(_fileEntry.getFileEntryId())); return portletURL; } @Override public PortletURL getURLExport(LiferayPortletRequest liferayPortletRequest, LiferayPortletResponse liferayPortletResponse) throws Exception { PortletURL portletURL = PortalUtil.getControlPanelPortletURL(liferayPortletRequest, DLPortletKeys.DOCUMENT_LIBRARY, PortletRequest.ACTION_PHASE); portletURL.setParameter(ActionRequest.ACTION_NAME, "/document_library/get_file"); portletURL.setParameter("groupId", String.valueOf(_fileEntry.getRepositoryId())); portletURL.setParameter("folderId", String.valueOf(_fileEntry.getFolderId())); portletURL.setParameter("title", String.valueOf(_fileEntry.getTitle())); return portletURL; } @Override public String getURLImagePreview(PortletRequest portletRequest) throws Exception { ThemeDisplay themeDisplay = (ThemeDisplay) portletRequest.getAttribute(WebKeys.THEME_DISPLAY); return DLUtil.getImagePreviewURL(_fileEntry, _fileVersion, themeDisplay); } @Override public String getURLView(LiferayPortletResponse liferayPortletResponse, WindowState windowState) throws Exception { AssetRendererFactory<FileEntry> assetRendererFactory = getAssetRendererFactory(); PortletURL portletURL = assetRendererFactory.getURLView(liferayPortletResponse, windowState); portletURL.setParameter("mvcRenderCommandName", "/document_library/view_file_entry"); portletURL.setParameter("fileEntryId", String.valueOf(_fileEntry.getFileEntryId())); portletURL.setWindowState(windowState); return portletURL.toString(); } @Override public String getURLViewInContext(LiferayPortletRequest liferayPortletRequest, LiferayPortletResponse liferayPortletResponse, String noSuchEntryRedirect) { return getURLViewInContext(liferayPortletRequest, noSuchEntryRedirect, "/document_library/find_file_entry", "fileEntryId", _fileEntry.getFileEntryId()); } @Override public long getUserId() { return _fileEntry.getUserId(); } @Override public String getUserName() { return _fileEntry.getUserName(); } @Override public String getUuid() { return _fileEntry.getUuid(); } public boolean hasDeletePermission(PermissionChecker permissionChecker) throws PortalException { return DLFileEntryPermission.contains(permissionChecker, _fileEntry.getFileEntryId(), ActionKeys.DELETE); } @Override public boolean hasEditPermission(PermissionChecker permissionChecker) throws PortalException { return DLFileEntryPermission.contains(permissionChecker, _fileEntry.getFileEntryId(), ActionKeys.UPDATE); } @Override public boolean hasViewPermission(PermissionChecker permissionChecker) throws PortalException { return DLFileEntryPermission.contains(permissionChecker, _fileEntry.getFileEntryId(), ActionKeys.VIEW); } @Override public boolean include(HttpServletRequest request, HttpServletResponse response, String template) throws Exception { request.setAttribute(WebKeys.DOCUMENT_LIBRARY_FILE_ENTRY, _fileEntry); String version = ParamUtil.getString(request, "version"); if ((getAssetRendererType() == AssetRendererFactory.TYPE_LATEST) || Validator.isNotNull(version)) { if ((_fileEntry != null) && Validator.isNotNull(version)) { _fileVersion = _fileEntry.getFileVersion(version); } request.setAttribute(WebKeys.DOCUMENT_LIBRARY_FILE_VERSION, _fileVersion); } else { request.setAttribute(WebKeys.DOCUMENT_LIBRARY_FILE_VERSION, _fileEntry.getFileVersion()); } return super.include(request, response, template); } @Override public boolean isCategorizable(long groupId) { long classPK = getClassPK(); DLFileEntry dlFileEntry = _dlFileEntryLocalService.fetchDLFileEntry(classPK); if ((dlFileEntry == null) || (dlFileEntry.getRepositoryId() != groupId)) { return false; } return super.isCategorizable(groupId); } @Override public boolean isConvertible() { return true; } @Override public boolean isPrintable() { return false; } private final DLFileEntryLocalService _dlFileEntryLocalService; private final FileEntry _fileEntry; private FileVersion _fileVersion; }