001/* 002 * (C) Copyright 2006-2015 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.ecm.platform.picture.magick.utils; 019 020import org.apache.commons.logging.Log; 021import org.apache.commons.logging.LogFactory; 022 023import org.nuxeo.ecm.platform.commandline.executor.api.CmdParameters; 024import org.nuxeo.ecm.platform.commandline.executor.api.CommandException; 025import org.nuxeo.ecm.platform.commandline.executor.api.CommandLineExecutorService; 026import org.nuxeo.ecm.platform.commandline.executor.api.CommandNotAvailable; 027import org.nuxeo.ecm.platform.commandline.executor.api.ExecResult; 028import org.nuxeo.ecm.platform.picture.api.ImageInfo; 029import org.nuxeo.ecm.platform.picture.magick.MagickExecutor; 030import org.nuxeo.runtime.api.Framework; 031 032/** 033 * Unit command to extract information from a picture file. 034 * 035 * @author tiry 036 */ 037public class ImageIdentifier extends MagickExecutor { 038 039 private static final Log log = LogFactory.getLog(ImageIdentifier.class); 040 041 public static ImageInfo getInfo(String inputFilePath) throws CommandNotAvailable, CommandException { 042 043 ExecResult result = getIdentifyResult(inputFilePath); 044 if (!result.isSuccessful()) { 045 log.debug("identify failed for file: " + inputFilePath); 046 throw result.getError(); 047 } 048 String out = result.getOutput().get(result.getOutput().size() > 1 ? result.getOutput().size() - 1 : 0); 049 String[] res = out.split(" "); 050 051 return new ImageInfo(res[1], res[2], res[0], res[3], res[4], inputFilePath); 052 } 053 054 public static ExecResult getIdentifyResult(String inputFilePath) throws CommandNotAvailable { 055 CommandLineExecutorService cles = Framework.getLocalService(CommandLineExecutorService.class); 056 CmdParameters params = cles.getDefaultCmdParameters(); 057 params.addNamedParameter("inputFilePath", inputFilePath); 058 return cles.execCommand("identify", params); 059 } 060 061}