Java tutorial
/* * Copyright (c) 2006, Pointdew Inc. All rights reserved. * * Encoder A Java Audio/Video Encoder (based on FFMPEG) * * Copyright (C) 2006-2014 LiRongSheng (http://www.pointdew.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 3 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 should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.pointdew.com>. */ package com.appcel.core.converter.locator; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.util.regex.Pattern; import org.apache.commons.lang.StringUtils; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import com.appcel.core.converter.config.ConverterConfiguration; import com.appcel.core.converter.executor.ConverterExecutor; import com.appcel.core.converter.executor.OpenofficeConverterExecutor; import com.appcel.core.converter.executor.SwftoolsConverterExecutor; import com.appcel.facade.converter.enums.ConverterExecutorEnum; import com.appcel.facade.converter.exception.ConverterException; /** * * Defiend class file the DefaultFFMPEGLocator.java * * The default ffmpeg executable locator, which exports on disk the ffmpeg * executable bundled with the library distributions. It should work both for * windows and many linux distributions. If it doesn't, try compiling your own * ffmpeg executable and plug it in JAVE with a custom {@link AbstractConverterLocator}. * * @author Rock.Lee * @version appcel 1.0.0 * @since JDK-1.7.0 * @date 2014-12-2 */ public class ConverterLocator extends AbstractConverterLocator { protected static Log LOGGER = LogFactory.getLog(ConverterLocator.class); /** * Trace the version of the bundled ffmpeg executable. It's a counter: every * time the bundled ffmpeg change it is incremented by 1. */ //private static final int myEXEversion = 1; private static ConverterLocator encoderLocator = new ConverterLocator(); /** * It builds the default FFMPEGLocator, exporting the ffmpeg executable on a * temp file. */ private ConverterLocator() { } public static ConverterLocator getMe() { return encoderLocator; } @Override public ConverterExecutor createConverterExecutor(ConverterExecutorEnum executorEnum) { ConverterExecutor converterExcutor = null; String os = System.getProperty("os.name").toLowerCase(); // Windows? boolean isWindows = (os.indexOf("windows") != -1) ? true : false; // Need a chmod? //String archexe = executorEnum.getValue(); // Temp dir? // File temp = new File(System.getProperty("java.io.tmpdir"), archexe + myEXEversion); // if (!temp.exists()) { // temp.mkdirs(); // temp.deleteOnExit(); // } // converter executable export on disk. // String suffix = isWindows ? ".exe" : ""; // File exeFile = new File(temp, archexe + suffix); //String executableCmdPath = exeFile.getAbsolutePath(); // if (!exeFile.exists()) { // // copyFile(archexe + suffix, exeFile); // } ConverterConfiguration converterConf = ConverterConfiguration.getMe(); String openofficeHome = null; String swftoolsHome = null; String swftoolsExecutor = null; String swftoolsFontHome = null; if (ConverterExecutorEnum.OPENOFFICE_EXECUTOR.equals(executorEnum)) { openofficeHome = isWindows ? converterConf.getConverterOpenofficeWinHome() : converterConf.getConverterOpenofficeLinuxHome(); converterExcutor = new OpenofficeConverterExecutor(openofficeHome, ConverterConfiguration.getMe().getConverterOpenofficePort(), !isWindows); LOGGER.info("Converter openoffice home Path ??==========>>> " + openofficeHome); } else if (ConverterExecutorEnum.SWFTOOLS_EXECUTOR.equals(executorEnum)) { swftoolsHome = isWindows ? converterConf.getConverterSwftoolsWinHome() : converterConf.getConverterSwftoolsLinuxHome(); swftoolsFontHome = isWindows ? converterConf.getConverterSwftoolsFontWinHome() : converterConf.getConverterSwftoolsFontLinuxHome(); swftoolsExecutor = isWindows ? converterConf.getConverterSwftoolsWinExecutor() : converterConf.getConverterSwftoolsLinuxExecutor(); converterExcutor = new SwftoolsConverterExecutor(swftoolsHome, swftoolsFontHome, swftoolsExecutor, !isWindows); LOGGER.info("Converter swftools home Path ??==========>>> " + swftoolsHome); LOGGER.info("Converter swfls font home Path ??==========>>> " + swftoolsFontHome); LOGGER.info("Converter swftools executor ?==========>>> " + swftoolsExecutor); } else { throw new ConverterException( "Illegal The encoder paramter executor error : " + executorEnum + " is not support."); } if (!isWindows) { Runtime runtime = Runtime.getRuntime(); try { if (StringUtils.isNotBlank(swftoolsFontHome)) { runtime.exec(new String[] { "/bin/chmod", "755", swftoolsFontHome }); } if (StringUtils.isNotBlank(swftoolsExecutor)) { runtime.exec(new String[] { "/bin/chmod", "755", swftoolsExecutor }); } } catch (IOException e) { e.printStackTrace(); LOGGER.info(" Linux chmod 755 error. ==========>>>" + e.getCause()); } } return converterExcutor; } /** * ?OpenOffice * @return */ protected String getOfficeHome() { String osName = System.getProperty("os.name"); if (Pattern.matches("Linux.*", osName)) { return "/opt/openoffice.org3"; } else if (Pattern.matches("Windows.*", osName)) { return "C:/Program Files (x86)/OpenOffice 4";//"E:/software/OpenOffice 4"; } else if (Pattern.matches("Mac.*", osName)) { return "/Application/OpenOffice.org.app/Contents"; } return null; } /** * Copies a file bundled in the package to the supplied destination. * * @param path * The name of the bundled file. * @param dest * The destination. * @throws RuntimeException * If aun unexpected error occurs. */ protected void copyFile(String path, File dest) throws RuntimeException { InputStream input = null; OutputStream output = null; try { input = getClass().getResourceAsStream(path); output = new FileOutputStream(dest); byte[] buffer = new byte[1024]; int l; while ((l = input.read(buffer)) != -1) { output.write(buffer, 0, l); } } catch (IOException e) { e.printStackTrace(); throw new RuntimeException("Cannot write file " + dest.getAbsolutePath()); } finally { if (output != null) { try { output.close(); } catch (Throwable t) { ; } } if (input != null) { try { input.close(); } catch (Throwable t) { ; } } } } }