001/* 002 * (C) Copyright 2006-2011 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.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 * bstefanescu 016 */ 017package org.nuxeo.connect.update.task.standalone.commands; 018 019import java.io.File; 020import java.io.IOException; 021import java.util.Map; 022 023import org.nuxeo.common.utils.FileUtils; 024import org.nuxeo.common.utils.StringUtils; 025import org.nuxeo.connect.update.PackageException; 026 027/** 028 * Copy a file to the given target directory or file. If the target is a directory the file name is preserved. If the 029 * target file exists it will be replaced if overwrite is true otherwise the command validation fails. 030 * <p> 031 * If md5 is set then the copy command will be validated only if the target file has the same md5 as the one specified 032 * in the command. 033 * <p> 034 * The Copy command has as inverse either Delete either another Copy command. If the file was copied without overwriting 035 * then Delete is the inverse (with a md5 set to the one of the copied file). If the file was overwritten then the Copy 036 * command has an inverse another copy command with the md5 to the one of the copied file and the overwrite flag to 037 * true. The file to copy will be the backup of the overwritten file. 038 * 039 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a> 040 */ 041public class ParameterizedCopy extends Copy { 042 043 @SuppressWarnings("hiding") 044 public static final String ID = "pcopy"; 045 046 public ParameterizedCopy() { 047 super(ID); 048 } 049 050 public ParameterizedCopy(File file, File tofile, String md5, boolean overwrite) { 051 this(); 052 this.file = file; 053 this.tofile = tofile; 054 this.md5 = md5; 055 this.overwrite = overwrite; 056 } 057 058 @Override 059 protected String getContentToCopy(File fileToCopy, Map<String, String> prefs) throws PackageException { 060 try { 061 String content = FileUtils.readFile(fileToCopy); 062 return StringUtils.expandVars(content, prefs); 063 } catch (IOException e) { 064 throw new PackageException("Failed to run parameterized copy for: " + fileToCopy.getName(), e); 065 } 066 } 067 068}