+/*
+ * Copyright (C) 2001, 2002 The Mir-coders group
+ *
+ * This file is part of Mir.
+ *
+ * Mir 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 of the License, or
+ * (at your option) any later version.
+ *
+ * Mir 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 Mir; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * In addition, as a special exception, The Mir-coders gives permission to link
+ * the code of this program with any library licensed under the Apache Software License,
+ * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
+ * (or with modified versions of the above that use the same license as the above),
+ * and distribute linked combinations including the two. You must obey the
+ * GNU General Public License in all respects for all of the code used other than
+ * the above mentioned libraries. If you modify this file, you may extend this
+ * exception to your version of the file, but you are not obligated to do so.
+ * If you do not wish to do so, delete this exception statement from your version.
+ */
package mircoders.localizer.basic;
-import java.util.*;
import java.io.*;
-import mir.generator.*;
-import mircoders.localizer.*;
+
+import mir.generator.WriterEngine;
+import mir.log.LoggerWrapper;
+import mir.config.MirPropertiesConfiguration;
+import mir.util.FileFunctions;
+import mircoders.localizer.MirLocalizerFailure;
public class MirBasicWriterEngine implements WriterEngine {
private String defaultEncoding;
+ protected static LoggerWrapper logger = new LoggerWrapper("Localizer.AdminInterface");
+ protected MirPropertiesConfiguration configuration = MirPropertiesConfiguration.instance();
+
+ /**
+ * Directory to store temp files into
+ */
+ private File tempDirectory;
+
public MirBasicWriterEngine(String aDefaultEncoding) {
defaultEncoding = aDefaultEncoding;
+ tempDirectory = configuration.getFile("TempDir");
}
+ /**
+ * {@inheritDoc}
+ */
public Object openWriter(String anIdentifier, String anEncoding) throws MirLocalizerFailure {
String encoding;
File file;
File dir;
- if (anEncoding!=null && !anEncoding.equals(""))
+ if (anEncoding != null && !anEncoding.equals("")) {
encoding = anEncoding;
- else
+ }
+ else {
encoding = defaultEncoding;
-// MirGlobal.getConfigProperty("Mir.DefaultEncoding");
+ }
try {
- file = new File( anIdentifier );
- dir = new File(file.getParent());
- if (dir!=null && !dir.exists()){
- dir.mkdirs();
+ file = new File(anIdentifier);
+
+ dir = file.getParentFile();
+
+ if (dir != null && !dir.exists()) {
+ dir.mkdirs();
}
return new PrintWriter(
- new OutputStreamWriter(
- new FileOutputStream(file), encoding
- )
+ new TempWriter(file, encoding)
);
}
- catch (Throwable t) {
- throw new MirLocalizerFailure("Failure while opening a PrintWriter: "+t.getMessage(),t);
+ catch (IOException t) {
+ throw new MirLocalizerFailure("Failure while opening a writer", t);
}
- };
+ }
public void closeWriter(Object aWriter) {
((PrintWriter) aWriter).close();
- };
+ }
+
+ private class TempWriter extends Writer {
+ TempWriter(File aDestination, String anEncoding) throws IOException {
+ destinationFile = aDestination;
+ slaveFile = File.createTempFile("Mir", ".generated", tempDirectory);
+ slaveWriter = new BufferedWriter(
+ new OutputStreamWriter(
+ new FileOutputStream(slaveFile), anEncoding
+ ), 8192);
+ }
+
+ public void close() throws IOException {
+ slaveWriter.close();
+ FileFunctions.move(slaveFile, destinationFile);
+ }
+
+ public void flush() throws IOException {
+ slaveWriter.flush();
+ }
+
+ public void write(char cbuf[], int off, int len) throws IOException {
+ slaveWriter.write(cbuf, off, len);
+ }
+
+ private Writer slaveWriter;
+ private File slaveFile;
+ private File destinationFile;
+ }
+
}
\ No newline at end of file