001/* 002 * (C) Copyright 2006-2015 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Nuxeo - initial API and implementation 018 * 019 */ 020package org.nuxeo.ecm.platform.picture.magick.utils; 021 022import org.apache.commons.logging.Log; 023import org.apache.commons.logging.LogFactory; 024 025import org.nuxeo.ecm.platform.commandline.executor.api.CmdParameters; 026import org.nuxeo.ecm.platform.commandline.executor.api.CommandException; 027import org.nuxeo.ecm.platform.commandline.executor.api.CommandLineExecutorService; 028import org.nuxeo.ecm.platform.commandline.executor.api.CommandNotAvailable; 029import org.nuxeo.ecm.platform.commandline.executor.api.ExecResult; 030import org.nuxeo.ecm.platform.picture.api.ImageInfo; 031import org.nuxeo.ecm.platform.picture.magick.MagickExecutor; 032import org.nuxeo.runtime.api.Framework; 033 034/** 035 * Unit command to extract information from a picture file. 036 * 037 * @author tiry 038 */ 039public class ImageIdentifier extends MagickExecutor { 040 041 private static final Log log = LogFactory.getLog(ImageIdentifier.class); 042 043 public static ImageInfo getInfo(String inputFilePath) throws CommandNotAvailable, CommandException { 044 045 ExecResult result = getIdentifyResult(inputFilePath); 046 if (!result.isSuccessful()) { 047 log.debug("identify failed for file: " + inputFilePath); 048 throw result.getError(); 049 } 050 String out = result.getOutput().get(result.getOutput().size() > 1 ? result.getOutput().size() - 1 : 0); 051 String[] res = out.split(" "); 052 053 return new ImageInfo(res[1], res[2], res[0], res[3], res[4], inputFilePath); 054 } 055 056 public static ExecResult getIdentifyResult(String inputFilePath) throws CommandNotAvailable { 057 CommandLineExecutorService cles = Framework.getService(CommandLineExecutorService.class); 058 CmdParameters params = cles.getDefaultCmdParameters(); 059 params.addNamedParameter("inputFilePath", inputFilePath); 060 return cles.execCommand("identify", params); 061 } 062 063}