001/* 002 * (C) Copyright 2006-2011 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 * bstefanescu 018 */ 019package org.nuxeo.connect.update.task.standalone.commands; 020 021import java.io.File; 022import java.io.IOException; 023import java.util.Map; 024 025import org.nuxeo.common.utils.FileUtils; 026import org.nuxeo.common.utils.StringUtils; 027import org.nuxeo.connect.update.PackageException; 028 029/** 030 * Copy a file to the given target directory or file. If the target is a directory the file name is preserved. If the 031 * target file exists it will be replaced if overwrite is true otherwise the command validation fails. 032 * <p> 033 * If md5 is set then the copy command will be validated only if the target file has the same md5 as the one specified 034 * in the command. 035 * <p> 036 * The Copy command has as inverse either Delete either another Copy command. If the file was copied without overwriting 037 * then Delete is the inverse (with a md5 set to the one of the copied file). If the file was overwritten then the Copy 038 * command has an inverse another copy command with the md5 to the one of the copied file and the overwrite flag to 039 * true. The file to copy will be the backup of the overwritten file. 040 * 041 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a> 042 */ 043public class ParameterizedCopy extends Copy { 044 045 @SuppressWarnings("hiding") 046 public static final String ID = "pcopy"; 047 048 public ParameterizedCopy() { 049 super(ID); 050 } 051 052 public ParameterizedCopy(File file, File tofile, String md5, boolean overwrite) { 053 this(); 054 this.file = file; 055 this.tofile = tofile; 056 this.md5 = md5; 057 this.overwrite = overwrite; 058 } 059 060 @Override 061 protected String getContentToCopy(File fileToCopy, Map<String, String> prefs) throws PackageException { 062 try { 063 String content = FileUtils.readFile(fileToCopy); 064 return StringUtils.expandVars(content, prefs); 065 } catch (IOException e) { 066 throw new PackageException("Failed to run parameterized copy for: " + fileToCopy.getName(), e); 067 } 068 } 069 070}