2 * Copyright (C) 2001, 2002 The Mir-coders group
4 * This file is part of Mir.
6 * Mir is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Mir is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with Mir; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * In addition, as a special exception, The Mir-coders gives permission to link
21 * the code of this program with any library licensed under the Apache Software License,
22 * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
23 * (or with modified versions of the above that use the same license as the above),
24 * and distribute linked combinations including the two. You must obey the
25 * GNU General Public License in all respects for all of the code used other than
26 * the above mentioned libraries. If you modify this file, you may extend this
27 * exception to your version of the file, but you are not obligated to do so.
28 * If you do not wish to do so, delete this exception statement from your version.
30 package mircoders.localizer.basic;
32 import mir.config.MirPropertiesConfiguration;
33 import mir.generator.WriterEngine;
34 import mir.log.LoggerWrapper;
35 import mir.util.FileRoutines;
36 import mircoders.global.MirGlobal;
37 import mircoders.localizer.MirLocalizerFailure;
41 public class MirBasicWriterEngine implements WriterEngine {
42 private String defaultEncoding;
44 protected static LoggerWrapper logger = new LoggerWrapper("Localizer.WriterEngine");
45 protected MirPropertiesConfiguration configuration = MirPropertiesConfiguration.instance();
48 * Directory to store temp files into
50 private File tempDirectory;
52 public MirBasicWriterEngine(String aDefaultEncoding) {
53 defaultEncoding = aDefaultEncoding;
54 tempDirectory = configuration.getFile("TempDir");
60 public Object openWriter(String anIdentifier, String anEncoding) throws MirLocalizerFailure {
61 System.out.println("Opening writer for " + anIdentifier);
65 if (anEncoding != null && !anEncoding.equals("")) {
66 encoding = anEncoding;
69 encoding = defaultEncoding;
72 File destinationFile = new File(anIdentifier);
74 File destinationDirectory = destinationFile.getParentFile();
76 if (destinationDirectory != null && !destinationDirectory.exists()) {
77 destinationDirectory.mkdirs();
81 return new PrintWriter(
82 new TempWriter(destinationFile, encoding)
85 catch (IOException t) {
86 throw new MirLocalizerFailure("Failure while opening a writer", t);
90 public void closeWriter(Object aWriter) {
91 ((PrintWriter) aWriter).close();
94 private class TempWriter extends Writer {
95 TempWriter(File aDestination, String anEncoding) throws IOException {
96 destinationFile = aDestination;
97 slaveFile = File.createTempFile("Mir", ".generated", tempDirectory);
98 slaveFile.deleteOnExit();
99 slaveWriter = new BufferedWriter(
100 new OutputStreamWriter(
101 new FileOutputStream(slaveFile), anEncoding
105 public void close() throws IOException {
109 FileRoutines.move(slaveFile, destinationFile);
113 catch (Throwable e) {
114 System.out.println("error: " + e.toString());
116 throw new IOException(e.getMessage());
120 public void flush() throws IOException {
124 public void write(char cbuf[], int off, int len) throws IOException {
125 slaveWriter.write(cbuf, off, len);
128 private Writer slaveWriter;
129 private File slaveFile;
130 private File destinationFile;