mirror of
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132 lines
3.7 KiB
Java
132 lines
3.7 KiB
Java
/* ========================================================================
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* PlantUML : a free UML diagram generator
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* ========================================================================
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*
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* (C) Copyright 2009, Arnaud Roques
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*
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* Project Info: http://plantuml.sourceforge.net
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*
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* This file is part of PlantUML.
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*
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* PlantUML is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* PlantUML distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*
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* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
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* in the United States and other countries.]
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*
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* Original Author: Arnaud Roques
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*
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* Revision $Revision: 5749 $
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*
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*/
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package net.sourceforge.plantuml;
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import java.io.BufferedInputStream;
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import java.io.BufferedOutputStream;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.util.concurrent.atomic.AtomicInteger;
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public class FileUtils {
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private static AtomicInteger counter;
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public static void resetCounter() {
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counter = new AtomicInteger(0);
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}
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public static File getTmpDir() {
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final File tmpDir = new File(System.getProperty("java.io.tmpdir"));
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if (tmpDir.exists() == false || tmpDir.isDirectory() == false) {
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throw new IllegalStateException();
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}
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return tmpDir;
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}
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public static void delete(File f) {
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if (f == null) {
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return;
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}
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Thread.yield();
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Log.info("Deleting temporary file " + f);
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final boolean ok = f.delete();
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if (ok == false) {
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Log.error("Cannot delete: " + f);
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}
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}
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static public File createTempFile(String prefix, String suffix) throws IOException {
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if (suffix.startsWith(".") == false) {
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throw new IllegalArgumentException();
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}
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if (prefix == null) {
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throw new IllegalArgumentException();
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}
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final File f;
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if (counter == null) {
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f = File.createTempFile(prefix, suffix);
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} else {
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final String name = prefix + counter.addAndGet(1) + suffix;
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f = new File(name);
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}
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Log.info("Creating temporary file: " + f);
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if (OptionFlags.getInstance().isKeepTmpFiles() == false) {
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f.deleteOnExit();
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}
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return f;
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}
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static public void copyToFile(File src, File dest) throws IOException {
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if (dest.isDirectory()) {
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dest = new File(dest, src.getName());
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}
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final InputStream fis = new BufferedInputStream(new FileInputStream(src));
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final OutputStream fos = new BufferedOutputStream(new FileOutputStream(dest));
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int lu;
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while ((lu = fis.read()) != -1) {
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fos.write(lu);
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}
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fos.close();
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fis.close();
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}
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static public void copyToStream(File src, OutputStream os) throws IOException {
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final InputStream fis = new BufferedInputStream(new FileInputStream(src));
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final OutputStream fos = new BufferedOutputStream(os);
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int lu;
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while ((lu = fis.read()) != -1) {
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fos.write(lu);
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}
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fos.close();
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fis.close();
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}
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static public void copyToStream(InputStream is, OutputStream os) throws IOException {
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final InputStream fis = new BufferedInputStream(is);
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final OutputStream fos = new BufferedOutputStream(os);
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int lu;
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while ((lu = fis.read()) != -1) {
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fos.write(lu);
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}
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fos.close();
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fis.close();
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}
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}
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