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removed dependency to imixs-office-workflow
Issue #117
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imixs-adapters-wopi/src/main/java/org/imixs/workflow/wopi/TextBlockHelperService.java
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| @@ -0,0 +1,129 @@ | ||
| /******************************************************************************* | ||
| * Imixs Workflow | ||
| * Copyright (C) 2001, 2011 Imixs Software Solutions GmbH, | ||
| * http://www.imixs.com | ||
| * | ||
| * This program is free software; you can redistribute it and/or | ||
| * modify it under the terms of the GNU General Public License | ||
| * as published by the Free Software Foundation; either version 2 | ||
| * of the License, or (at your option) any later version. | ||
| * | ||
| * 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 | ||
| * General Public License for more details. | ||
| * | ||
| * You can receive a copy of the GNU General Public | ||
| * License at http://www.gnu.org/licenses/gpl.html | ||
| * | ||
| * Project: | ||
| * http://www.imixs.org | ||
| * http://java.net/projects/imixs-workflow | ||
| * | ||
| * Contributors: | ||
| * Imixs Software Solutions GmbH - initial API and implementation | ||
| * Ralph Soika - Software Developer | ||
| *******************************************************************************/ | ||
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| package org.imixs.workflow.wopi; | ||
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| import java.util.Collection; | ||
| import java.util.logging.Logger; | ||
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| import javax.annotation.Resource; | ||
| import javax.annotation.security.DeclareRoles; | ||
| import javax.annotation.security.RolesAllowed; | ||
| import javax.ejb.EJB; | ||
| import javax.ejb.LocalBean; | ||
| import javax.ejb.SessionContext; | ||
| import javax.ejb.Stateless; | ||
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| import org.imixs.workflow.ItemCollection; | ||
| import org.imixs.workflow.engine.DocumentService; | ||
| import org.imixs.workflow.exceptions.QueryException; | ||
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| /** | ||
| * The TextBlockHelperService is helper service to fetch a textBlock provided by the Imixs-Office-Workflow project. | ||
| * A text-block document is identified by its ID (txtname) and | ||
| * holds a HTML or PlainText information. | ||
| * | ||
| * A text-block document holds the following items | ||
| * | ||
| * <ul> | ||
| * <li>txtmode - html/text</li> | ||
| * <li>txtcontent - textual information</li> | ||
| * </ul> | ||
| * | ||
| * The type of a textBlock document is 'textblock' | ||
| * | ||
| * @author rsoika | ||
| */ | ||
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| @DeclareRoles({ "org.imixs.ACCESSLEVEL.NOACCESS", "org.imixs.ACCESSLEVEL.READERACCESS", | ||
| "org.imixs.ACCESSLEVEL.AUTHORACCESS", "org.imixs.ACCESSLEVEL.EDITORACCESS", | ||
| "org.imixs.ACCESSLEVEL.MANAGERACCESS" }) | ||
| @RolesAllowed({ "org.imixs.ACCESSLEVEL.NOACCESS", "org.imixs.ACCESSLEVEL.READERACCESS", | ||
| "org.imixs.ACCESSLEVEL.AUTHORACCESS", "org.imixs.ACCESSLEVEL.EDITORACCESS", | ||
| "org.imixs.ACCESSLEVEL.MANAGERACCESS" }) | ||
| @Stateless | ||
| @LocalBean | ||
| public class TextBlockHelperService { | ||
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| @EJB | ||
| private DocumentService documentService; | ||
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| @Resource | ||
| SessionContext ctx; | ||
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| final String TYPE = "textblock"; | ||
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| private static Logger logger = Logger.getLogger(TextBlockHelperService.class.getName()); | ||
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| /** | ||
| * This method returns a text-block ItemCollection for a specified name or id. | ||
| * If no text-block is found for this name the Method creates an empty | ||
| * text-block object. The text-block entity are not cached by this service. See | ||
| * also the TextBlockService in the Imixs-Office-Worklfow-Util project. | ||
| * | ||
| * @param name in attribute txtname | ||
| * | ||
| * @param discardCache - indicates if the internal cache should be discarded. | ||
| */ | ||
| public ItemCollection loadTextBlock(String name) { | ||
| ItemCollection textBlockItemCollection = null; | ||
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| // try to load by ID.... | ||
| textBlockItemCollection = documentService.load(name); | ||
| if (textBlockItemCollection == null) { | ||
| // not found by ID so lets try to load it by txtname..... | ||
| // load text-block.... | ||
| String sQuery = "(type:\"" + TYPE + "\" AND txtname:\"" + name + "\")"; | ||
| Collection<ItemCollection> col; | ||
| try { | ||
| col = documentService.find(sQuery, 1, 0); | ||
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| if (col.size() > 0) { | ||
| textBlockItemCollection = col.iterator().next(); | ||
| } else { | ||
| logger.warning("Missing text-block : '" + name + "'"); | ||
| } | ||
| } catch (QueryException e) { | ||
| logger.warning("getTextBlock - invalid query: " + e.getMessage()); | ||
| } | ||
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| } | ||
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| if (textBlockItemCollection == null) { | ||
| // create default values | ||
| textBlockItemCollection = new ItemCollection(); | ||
| textBlockItemCollection.replaceItemValue("type", TYPE); | ||
| textBlockItemCollection.replaceItemValue("txtname", name); | ||
| } | ||
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| return textBlockItemCollection; | ||
| } | ||
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| } |
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