/**
* Copyright (C) 2009 STMicroelectronics
*
* This file is part of "Mind Compiler" is free software: you can redistribute
* it and/or modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program 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 Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Contact: mind@ow2.org
*
* Authors: Matthieu Leclercq
* Contributors:
*/
package org.ow2.mind.io;
import static org.ow2.mind.PathHelper.isRelative;
import java.io.File;
import java.io.IOException;
import java.util.Map;
import org.objectweb.fractal.adl.CompilerError;
import org.objectweb.fractal.adl.error.GenericErrors;
import org.ow2.mind.ForceRegenContextHelper;
public class BasicOutputFileLocator implements OutputFileLocator {
public static final String OUTPUT_DIR_CONTEXT_KEY = "outputdir";
public static final String DEFAULT_OUTPUT_DIR = "build";
public static final String TEMPORARY_OUTPUT_DIR_CONTEXT_KEY = "temporaryOutputDir";
public File getCSourceOutputFile(final String path,
final Map<Object, Object> context) {
if (isRelative(path))
throw new IllegalArgumentException("path must be absolute");
final File outDir = getOutputDir(context);
return mkdirs(new File(outDir, path));
}
public File getCSourceOutputDir(final Map<Object, Object> context) {
return getOutputDir(context);
}
public File getCSourceTemporaryOutputFile(final String path,
final Map<Object, Object> context) {
if (ForceRegenContextHelper.getKeepTemp(context))
return getCSourceOutputFile(path, context);
return getTemporaryOutputFile(path, context);
}
public File getCSourceTemporaryOutputDir(final Map<Object, Object> context) {
return getTemporaryOutputDir(context);
}
public File getCCompiledOutputFile(final String path,
final Map<Object, Object> context) {
if (isRelative(path))
throw new IllegalArgumentException("path must be absolute");
final File outDir = getOutputDir(context);
return mkdirs(new File(outDir, path));
}
public File getCExecutableOutputFile(String path,
final Map<Object, Object> context) {
final File outDir = getOutputDir(context);
// ensure that executable path on Windows ends with ".exe".
if (System.getProperty("os.name").contains("Windows")
&& !path.endsWith(".exe")) {
path = path + ".exe";
}
return mkdirs(new File(outDir, path));
}
public File getCCompiledOutputDir(final Map<Object, Object> context) {
return getOutputDir(context);
}
public File getCCompiledTemporaryOutputFile(final String path,
final Map<Object, Object> context) {
if (ForceRegenContextHelper.getKeepTemp(context))
return getCCompiledOutputFile(path, context);
return getTemporaryOutputFile(path, context);
}
public File getCCompiledTemporaryOutputDir(final Map<Object, Object> context) {
return getTemporaryOutputDir(context);
}
public File getMetadataOutputFile(final String path,
final Map<Object, Object> context) {
if (isRelative(path))
throw new IllegalArgumentException("path must be absolute");
final File outDir = getOutputDir(context);
return mkdirs(new File(outDir, path));
}
protected File getTemporaryOutputFile(final String path,
final Map<Object, Object> context) {
if (isRelative(path))
throw new IllegalArgumentException("path must be absolute");
final File outDir = getTemporaryOutputDir(context);
return mkdirs(new File(outDir, path));
}
protected File mkdirs(final File outputFile) {
final File parent = outputFile.getParentFile();
if (parent.exists()) {
if (!parent.isDirectory()) {
throw new CompilerError(GenericErrors.GENERIC_ERROR,
"IO Error: cannot create directory \"" + parent.getPath()
+ "\". File exists but is not a directory.");
}
} else {
parent.mkdirs();
}
return outputFile;
}
protected File getOutputDir(final Map<Object, Object> context) {
File outDir = (File) context.get(OUTPUT_DIR_CONTEXT_KEY);
if (outDir == null) outDir = new File(DEFAULT_OUTPUT_DIR);
if (outDir.exists()) {
if (!outDir.isDirectory()) {
throw new CompilerError(IOErrors.INVALID_OUTPUT_DIR, outDir);
}
} else {
outDir.mkdirs();
}
return outDir;
}
protected File getTemporaryOutputDir(final Map<Object, Object> context) {
File tempOutDir = (File) context.get(TEMPORARY_OUTPUT_DIR_CONTEXT_KEY);
if (tempOutDir == null) {
for (int i = 0; i < 10; i++) {
File tempFile;
try {
tempFile = File.createTempFile("mindc", null);
} catch (final IOException e) {
// fail to create temp file, retry.
continue;
}
if (!tempFile.delete()) {
// fail to delete temp file, retry
continue;
}
if (!tempFile.mkdir()) {
// fail to create directory, retry
continue;
}
// succesfully create temp directory.
tempOutDir = tempFile;
break;
}
if (tempOutDir == null) {
throw new CompilerError(GenericErrors.GENERIC_ERROR,
"IO Error: fail to create temporary directory.");
}
context.put(TEMPORARY_OUTPUT_DIR_CONTEXT_KEY, tempOutDir);
// Add a shutdown hook to delete temporary directory.
final File temporaryOutputDir = tempOutDir;
Runtime.getRuntime().addShutdownHook(new Thread() {
@Override
public void run() {
delete(temporaryOutputDir);
}
public void delete(final File f) {
if (f.isDirectory()) {
for (final File subFile : f.listFiles())
delete(subFile);
}
f.delete();
}
});
}
return tempOutDir;
}
}