/***********************************************************************************************************************
* Copyright (C) 2010-2013 by the Stratosphere project (http://stratosphere.eu)
*
* 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 eu.stratosphere.testutils;
import java.io.IOException;
import java.lang.reflect.Field;
import java.net.URI;
import java.util.Map;
import eu.stratosphere.core.fs.FSDataInputStream;
import eu.stratosphere.core.fs.FileStatus;
import eu.stratosphere.core.fs.FileSystem;
import eu.stratosphere.core.fs.Path;
import eu.stratosphere.core.fs.local.LocalFileStatus;
import eu.stratosphere.core.fs.local.LocalFileSystem;
public class TestFileSystem extends LocalFileSystem {
private static int streamOpenCounter;
public static int getNumtimeStreamOpened() {
return streamOpenCounter;
}
public static void resetStreamOpenCounter() {
streamOpenCounter = 0;
}
@Override
public FSDataInputStream open(Path f, int bufferSize) throws IOException {
streamOpenCounter++;
return super.open(f, bufferSize);
}
@Override
public FSDataInputStream open(Path f) throws IOException {
streamOpenCounter++;
return super.open(f);
}
@Override
public FileStatus getFileStatus(Path f) throws IOException {
LocalFileStatus status = (LocalFileStatus) super.getFileStatus(f);
return new LocalFileStatus(status.getFile(), this);
}
@Override
public FileStatus[] listStatus(Path f) throws IOException {
FileStatus[] stati = super.listStatus(f);
LocalFileStatus[] newStati = new LocalFileStatus[stati.length];
for (int i = 0; i < stati.length; i++) {
newStati[i] = new LocalFileStatus(((LocalFileStatus) stati[i]).getFile(), this);
}
return newStati;
}
public static void registerTestFileSysten() throws Exception {
Class<FileSystem> fsClass = FileSystem.class;
Field dirField = fsClass.getDeclaredField("FSDIRECTORY");
dirField.setAccessible(true);
@SuppressWarnings("unchecked")
Map<String, String> map = (Map<String, String>) dirField.get(null);
dirField.setAccessible(false);
map.put("test", TestFileSystem.class.getName());
}
@Override
public URI getUri() {
return URI.create("test:///");
}
}