001/* 002 * (C) Copyright 2006-2014 Nuxeo SA (http://nuxeo.com/) and contributors. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl-2.1.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * Contributors: 015 * Nuxeo - initial API and implementation 016 * 017 */ 018package org.nuxeo.template.processors; 019 020import java.io.File; 021 022import org.apache.commons.logging.Log; 023import org.apache.commons.logging.LogFactory; 024 025import org.nuxeo.common.utils.FileUtils; 026import org.nuxeo.ecm.core.api.Blob; 027import org.nuxeo.runtime.api.Framework; 028import org.nuxeo.template.api.TemplateProcessor; 029import org.nuxeo.template.api.adapters.TemplateBasedDocument; 030 031/** 032 * Common code between the implementations of {@link TemplateProcessor} 033 * 034 * @author Tiry (tdelprat@nuxeo.com) 035 */ 036public abstract class AbstractTemplateProcessor implements TemplateProcessor { 037 038 protected static final int BUFFER_SIZE = 1024 * 64; // 64K 039 040 protected static final Log log = LogFactory.getLog(AbstractTemplateProcessor.class); 041 042 protected File getWorkingDir() { 043 String dirPath = System.getProperty("java.io.tmpdir") + "/NXTemplateProcessor" + System.currentTimeMillis(); 044 File workingDir = new File(dirPath); 045 if (workingDir.exists()) { 046 FileUtils.deleteTree(workingDir); 047 } 048 workingDir.mkdir(); 049 Framework.trackFile(workingDir, workingDir); 050 return workingDir; 051 } 052 053 protected Blob getSourceTemplateBlob(TemplateBasedDocument templateBasedDocument, String templateName) { 054 return templateBasedDocument.getTemplateBlob(templateName); 055 } 056 057}