Java tutorial
/* * LinShare is an open source filesharing software, part of the LinPKI software * suite, developed by Linagora. * * Copyright (C) 2014 LINAGORA * * This program is free software: you can redistribute it and/or modify it under * the terms of the GNU Affero General Public License as published by the Free * Software Foundation, either version 3 of the License, or (at your option) any * later version, provided you comply with the Additional Terms applicable for * LinShare software by Linagora pursuant to Section 7 of the GNU Affero General * Public License, subsections (b), (c), and (e), pursuant to which you must * notably (i) retain the display of the LinShare? trademark/logo at the top * of the interface window, the display of the You are using the Open Source * and free version of LinShare, powered by Linagora 20092014. Contribute to * Linshare R&D by subscribing to an Enterprise offer!? infobox and in the * e-mails sent with the Program, (ii) retain all hypertext links between * LinShare and linshare.org, between linagora.com and Linagora, and (iii) * refrain from infringing Linagora intellectual property rights over its * trademarks and commercial brands. Other Additional Terms apply, see * <http://www.linagora.com/licenses/> for more details. * * This program 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 Affero General Public License for more * details. * * You should have received a copy of the GNU Affero General Public License and * its applicable Additional Terms for LinShare along with this program. If not, * see <http://www.gnu.org/licenses/> for the GNU Affero General Public License * version 3 and <http://www.linagora.com/licenses/> for the Additional Terms * applicable to LinShare software. */ package org.linagora.linshare.view.tapestry.pages.uploadrequest; import java.io.InputStream; import java.util.List; import org.apache.tapestry5.StreamResponse; import org.apache.tapestry5.annotations.InjectPage; import org.apache.tapestry5.annotations.Log; import org.apache.tapestry5.annotations.Persist; import org.apache.tapestry5.annotations.Property; import org.apache.tapestry5.annotations.SessionState; import org.apache.tapestry5.annotations.SetupRender; import org.apache.tapestry5.ioc.Messages; import org.apache.tapestry5.ioc.annotations.Inject; import org.linagora.linshare.core.domain.vo.UploadRequestEntryVo; import org.linagora.linshare.core.domain.vo.UploadRequestVo; import org.linagora.linshare.core.domain.vo.UserVo; import org.linagora.linshare.core.exception.BusinessErrorCode; import org.linagora.linshare.core.exception.BusinessException; import org.linagora.linshare.core.facade.FunctionalityFacade; import org.linagora.linshare.core.facade.UploadRequestFacade; import org.linagora.linshare.view.tapestry.beans.ShareSessionObjects; import org.linagora.linshare.view.tapestry.enums.BusinessUserMessageType; import org.linagora.linshare.view.tapestry.objects.BusinessUserMessage; import org.linagora.linshare.view.tapestry.objects.FileStreamResponse; import org.linagora.linshare.view.tapestry.objects.MessageSeverity; import org.linagora.linshare.view.tapestry.services.BusinessMessagesManagementService; import org.slf4j.Logger; import com.google.common.collect.Iterables; public class Content { @SessionState @Property private ShareSessionObjects shareSessionObjects; @SessionState @Property private UserVo userVo; @Property private UploadRequestEntryVo current; @Persist @Property private List<UploadRequestEntryVo> entries; @Property @Persist private UploadRequestVo selected; @InjectPage private Detail detail; @Inject private Logger logger; @Inject private Messages messages; @Inject private FunctionalityFacade functionalityFacade; @Inject private UploadRequestFacade uploadRequestFacade; @Inject private BusinessMessagesManagementService businessMessagesManagementService; public Object onActivate(String uuid) { try { this.selected = uploadRequestFacade.findRequestByUuid(userVo, uuid); } catch (BusinessException e) { businessMessagesManagementService.notify(new BusinessUserMessage( BusinessUserMessageType.UPLOAD_REQUEST_NOT_FOUND, MessageSeverity.ERROR)); return Index.class; } return null; } public Object onActivate() { if (!functionalityFacade.isEnableUploadRequest(userVo.getDomainIdentifier())) { return Index.class; } if (selected == null) { logger.info("No upload request selected, abort"); return Index.class; } if (!selected.getOwner().businessEquals(userVo) || !selected.isVisible()) { logger.info("Unauthorized"); businessMessagesManagementService.notify(new BusinessUserMessage( BusinessUserMessageType.UPLOAD_REQUEST_NOT_FOUND, MessageSeverity.ERROR)); return Index.class; } return null; } public Object onPassivate() { return selected.getUuid(); } @SetupRender public void init() throws BusinessException { logger.debug("Setup Render begins"); entries = uploadRequestFacade.findAllEntries(userVo, selected); } @Log public Object onActionFromShowDetail() throws BusinessException { detail.setMySelected(selected); return detail; } @Log public StreamResponse onActionFromDownload(String uuid) throws BusinessException { UploadRequestEntryVo entry = Iterables.find(entries, UploadRequestEntryVo.equalTo(uuid)); try { InputStream stream = uploadRequestFacade.getFileStream(userVo, entry); return new FileStreamResponse(entry.getDocument(), stream); } catch (Exception e) { logger.error("File don't exist anymore."); businessMessagesManagementService .notify(new BusinessException(BusinessErrorCode.UPLOAD_REQUEST_ENTRY_FILE_UNREACHABLE, "File unreachable in file system, please remove the entry")); return null; } } public void setMySelected(UploadRequestVo selected) { this.selected = selected; } Object onException(Throwable cause) { shareSessionObjects.addError(messages.get("global.exception.message")); logger.error(cause.getMessage()); cause.printStackTrace(); return this; } }