| /* |
| * 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.tests.e2e.hive; |
| |
| |
| |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import com.google.common.base.Charsets; |
| import com.google.common.base.Joiner; |
| import com.google.common.collect.Lists; |
| import com.google.common.io.Files; |
| |
| /** |
| * Deprecated} use Context.append() |
| */ |
| public class PolicyFileEditor { |
| |
| private static final String NL = System.getProperty("line.separator", "\n"); |
| |
| private File policy; |
| |
| public PolicyFileEditor (File policy) throws IOException { |
| policy.delete(); |
| policy.createNewFile(); |
| this.policy = policy; |
| } |
| |
| public void clearOldPolicy() throws IOException { |
| policy.delete(); |
| policy.createNewFile(); |
| } |
| |
| public void addPolicy(String line, String cat) throws IOException { |
| List<String> result = new ArrayList<String>(); |
| boolean exist = false; |
| for(String s : Files.readLines(policy, Charsets.UTF_8)) { |
| result.add(s); |
| if (s.equals("[" + cat + "]")) { |
| result.add(line); |
| exist = true; |
| } |
| } |
| if (!exist) { |
| result.add("[" + cat + "]"); |
| result.add(line); |
| } |
| Files.write(Joiner.on(NL).join(result), policy, Charsets.UTF_8); |
| } |
| public void removePolicy(String line) throws IOException { |
| List<String> result = Lists.newArrayList(); |
| for(String s : Files.readLines(policy, Charsets.UTF_8)) { |
| if (!s.equals(line)) { |
| result.add(s); |
| } |
| } |
| Files.write(Joiner.on(NL).join(result), policy, Charsets.UTF_8); |
| } |
| } |