/*
* Copyright 2003-2015 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package jetbrains.mps.vfs.impl;
import jetbrains.mps.util.FileUtil;
import jetbrains.mps.vfs.FileSystem;
import jetbrains.mps.vfs.FileSystemListener;
import jetbrains.mps.vfs.IFile;
import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.mps.annotations.Singleton;
import java.io.File;
/**
* @author Evgeny Gerashchenko
*/
@Singleton
public class IoFileSystem implements FileSystem {
private static final Logger LOG = LogManager.getLogger(IoFileSystem.class);
public static final IoFileSystem INSTANCE = new IoFileSystem();
private IoFileSystem() {
}
@NotNull
@Override
public IFile getFile(@NotNull String path) {
// fix for MPS-10350; todo move
path = FileUtil.getCanonicalPath(path);
if (path.contains("!")) {
int index = path.indexOf("!");
String jarPath = path.substring(0, index);
String entryPath = FileUtil.getUnixPath(path.substring(index + 1));
if (entryPath.startsWith("/")) {
entryPath = entryPath.substring(1);
}
File jarFile = new File(jarPath);
AbstractJarFileData jarFileData;
if (jarFile.exists()) {
jarFileData = JarFileDataCache.instance().getDataFor(jarFile);
} else {
LOG.warn("Requested jar file does not exist " + jarFile);
jarFileData = new AbstractJarFileData(jarFile);
}
return new JarEntryFile(jarFileData, jarFile, entryPath, this);
} else {
return new IoFile(path, this);
}
}
@Override
public boolean isFileIgnored(@NotNull String name) {
return false;
}
@Override
public void scheduleUpdateForWrittenFiles(Iterable<IFile> writtenFiles) {
// do nothing
}
@Override
public boolean runWriteTransaction(@NotNull Runnable r) {
try {
r.run();
} catch (Exception e) {
LOG.error(null, e);
return false;
}
return true;
}
@Override
public void addListener(@NotNull FileSystemListener listener) {
}
@Override
public void removeListener(@NotNull FileSystemListener listener) {
}
}