/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.sentry.provider.file;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import org.apache.hadoop.fs.FSDataOutputStream;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.shiro.config.Ini;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.io.ByteStreams;
import com.google.common.io.Resources;
public class PolicyFiles {
private static final Logger LOGGER = LoggerFactory
.getLogger(PolicyFiles.class);
public static void copyToDir(File dest, String... resources)
throws FileNotFoundException, IOException {
for(String resource : resources) {
LOGGER.info("Copying " + resource + " to " + dest);
Resources.copy(Resources.getResource(resource), new FileOutputStream(new File(dest, resource)));
}
}
public static void copyToDir(FileSystem fs, Path dest, String... resources)
throws FileNotFoundException, IOException {
for(String resource : resources) {
InputStream in = Resources.getResource(resource).openStream();
FSDataOutputStream out = fs.create(new Path(dest, resource));
long bytes = ByteStreams.copy(in, out);
in.close();
out.hflush();
out.close();
LOGGER.info("Copying " + resource + " to " + dest + ", bytes " + bytes);
}
}
public static void copyFilesToDir(FileSystem fs, Path dest, File inputFile)
throws IOException {
InputStream input = new FileInputStream(inputFile.getPath());
FSDataOutputStream out = fs.create(new Path(dest, inputFile.getName()));
long bytes = ByteStreams.copy(input, out);
input.close();
out.hflush();
out.close();
}
public static Ini loadFromPath(FileSystem fileSystem, Path path) throws IOException {
InputStream inputStream = null;
try {
LOGGER.info("Opening " + path);
inputStream = fileSystem.open(path);
Ini ini = new Ini();
ini.load(inputStream);
return ini;
} finally {
if(inputStream != null) {
try {
inputStream.close();
} catch (IOException e) {
LOGGER.warn("Error closing " + inputStream);
}
}
}
}
}