| /* |
| * 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); |
| } |
| } |
| } |
| } |
| |
| } |