Java tutorial
/** * Copyright (C) 2013, Moss Computing Inc. * * This file is part of simpledeb. * * simpledeb 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 2, or (at your option) * any later version. * * simpledeb 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 simpledeb; see the file COPYING. If not, write to the * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301 USA. * * Linking this library statically or dynamically with other modules is * making a combined work based on this library. Thus, the terms and * conditions of the GNU General Public License cover the whole * combination. * * As a special exception, the copyright holders of this library give you * permission to link this library with independent modules to produce an * executable, regardless of the license terms of these independent * modules, and to copy and distribute the resulting executable under * terms of your choice, provided that you also meet, for each linked * independent module, the terms and conditions of the license of that * module. An independent module is a module which is not derived from * or based on this library. If you modify this library, you may extend * this exception to your version of the library, but you are not * obligated to do so. If you do not wish to do so, delete this * exception statement from your version. */ package com.moss.simpledeb.core.action; import java.io.File; import java.util.LinkedList; import javax.xml.bind.annotation.XmlAccessType; import javax.xml.bind.annotation.XmlAccessorType; import javax.xml.bind.annotation.XmlAttribute; import javax.xml.bind.annotation.XmlElement; import javax.xml.bind.annotation.XmlElements; import org.apache.commons.compress.archivers.tar.TarArchiveEntry; import com.moss.simpledeb.core.DebComponent; import com.moss.simpledeb.core.DebState; import com.moss.simpledeb.core.fs.FileSet; import com.moss.simpledeb.core.fs.FileVisitor; import com.moss.simpledeb.core.fs.StaticFileSet; import com.moss.simpledeb.core.path.ArchivePath; import com.moss.simpledeb.core.path.DirArchivePath; import com.moss.simpledeb.core.path.FileArchivePath; @XmlAccessorType(XmlAccessType.FIELD) public final class CopyAction extends DebAction { @XmlElements({ @XmlElement(name = "list", type = StaticFileSet.class) }) private FileSet files; @XmlAttribute private String targetDir; @XmlAttribute private int assumedTargetPathLevel; @XmlAttribute(name = "file-mode") private String fileMode; @XmlAttribute(name = "dir-mode") private String dirMode; @XmlAttribute private boolean appendToClasspath; @XmlAttribute private DebComponent component; @Override public void run(final DebState state) throws Exception { File target = new File(targetDir); LinkedList<File> pathsNeeded = new LinkedList<File>(); File f = target; while (f != null) { pathsNeeded.addFirst(f); f = f.getParentFile(); } for (int i = 0; i < assumedTargetPathLevel; i++) { pathsNeeded.removeFirst(); } for (File e : pathsNeeded) { String p = "./" + e.getPath(); if (!p.endsWith("/")) { p = p + "/"; } TarArchiveEntry tarEntry = new TarArchiveEntry(p); tarEntry.setGroupId(0); tarEntry.setGroupName("root"); tarEntry.setIds(0, 0); tarEntry.setModTime(System.currentTimeMillis()); tarEntry.setSize(0); tarEntry.setUserId(0); tarEntry.setUserName("root"); tarEntry.setMode(Integer.parseInt("755", 8)); ArchivePath path = new DirArchivePath(tarEntry); state.addPath(component, path); } files.visit(new FileVisitor() { public void file(File file) { try { copyFile(file, state); } catch (Exception ex) { throw new RuntimeException(ex); } } }); } private void copyFile(File file, DebState state) throws Exception { String entryName = "./" + targetDir + "/" + file.getName(); if (!file.isDirectory()) { TarArchiveEntry tarEntry = new TarArchiveEntry(entryName); tarEntry.setGroupId(0); tarEntry.setGroupName("root"); tarEntry.setIds(0, 0); tarEntry.setModTime(System.currentTimeMillis()); tarEntry.setSize(file.length()); tarEntry.setUserId(0); tarEntry.setUserName("root"); tarEntry.setMode(Integer.parseInt(fileMode, 8)); ArchivePath path = new FileArchivePath(tarEntry, file); state.addPath(component, path); if (appendToClasspath) { state.classpath.add("/" + targetDir + "/" + file.getName()); } } else { entryName = entryName + "/"; TarArchiveEntry tarEntry = new TarArchiveEntry(entryName); tarEntry.setGroupId(0); tarEntry.setGroupName("root"); tarEntry.setIds(0, 0); tarEntry.setModTime(System.currentTimeMillis()); tarEntry.setSize(0); tarEntry.setUserId(0); tarEntry.setUserName("root"); tarEntry.setMode(Integer.parseInt(dirMode, 8)); ArchivePath path = new DirArchivePath(tarEntry); state.addPath(component, path); } } public String getTargetDir() { return targetDir; } public void setTargetDir(String targetDir) { this.targetDir = targetDir; } public String getFileMode() { return fileMode; } public void setFileMode(String fileMode) { this.fileMode = fileMode; } public String getDirMode() { return dirMode; } public void setDirMode(String dirMode) { this.dirMode = dirMode; } public FileSet getFiles() { return files; } public void setFiles(FileSet files) { this.files = files; } public int getAssumedTargetPathLevel() { return assumedTargetPathLevel; } public void setAssumedTargetPathLevel(int assumedTargetPathLevel) { this.assumedTargetPathLevel = assumedTargetPathLevel; } public boolean isAppendToClasspath() { return appendToClasspath; } public void setAppendToClasspath(boolean appendToClasspath) { this.appendToClasspath = appendToClasspath; } public DebComponent getComponent() { return component; } public void setComponent(DebComponent component) { this.component = component; } }