/*
* Copyright 2003-2012 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 java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.Collections;
import java.util.Set;
/**
* By default denotes non-existent jar file data
*/
class AbstractJarFileData {
private final File myFile;
public AbstractJarFileData(File file) {
myFile = file;
}
public File getFile() {
return myFile;
}
Set<String> getFiles(String dir) {
return Collections.emptySet();
}
Set<String> getSubdirectories(String dir) {
return Collections.emptySet();
}
boolean exists(String path) {
return false;
}
boolean isDirectory(String path) {
return false;
}
String getParentDirectory(String dir) {
int lastSlash = dir.lastIndexOf("/");
if (lastSlash == -1) return "";
return dir.substring(0, lastSlash);
}
InputStream openStream(String path) throws IOException {
throw new IOException("Unable to read from no jar");
}
long getLength(String path) {
return -1L;
}
}