| /* |
| * 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.flink.testutils; |
| |
| import java.io.BufferedWriter; |
| import java.io.File; |
| import java.io.FileWriter; |
| import java.io.IOException; |
| |
| import org.apache.flink.configuration.Configuration; |
| import org.apache.flink.configuration.GlobalConfiguration; |
| |
| /** |
| * Utility class to help test the Flink configuration. |
| */ |
| public final class TestConfigUtils { |
| |
| public static Configuration loadGlobalConf(String[] keys, String[] values) throws IOException { |
| return loadGlobalConf(getConfAsString(keys, values)); |
| } |
| |
| public static Configuration loadGlobalConf(String contents) throws IOException { |
| final File tempDir = new File(System.getProperty("java.io.tmpdir")); |
| File confDir; |
| do { |
| confDir = new File(tempDir, TestFileUtils.randomFileName()); |
| } while (confDir.exists()); |
| |
| try { |
| confDir.mkdirs(); |
| final File confFile = new File(confDir, GlobalConfiguration.FLINK_CONF_FILENAME); |
| |
| try { |
| BufferedWriter writer = new BufferedWriter(new FileWriter(confFile)); |
| try { |
| writer.write(contents); |
| } finally { |
| writer.close(); |
| } |
| return GlobalConfiguration.loadConfiguration(confDir.getAbsolutePath()); |
| } finally { |
| confFile.delete(); |
| } |
| } |
| finally { |
| confDir.delete(); |
| } |
| } |
| |
| public static String getConfAsString(String[] keys, String[] values) { |
| if (keys == null || values == null || keys.length != values.length) { |
| throw new IllegalArgumentException(); |
| } |
| |
| StringBuilder bld = new StringBuilder(); |
| |
| for (int i = 0; i < keys.length; i++) { |
| bld.append(keys[i]); |
| bld.append(": "); |
| bld.append(values[i]); |
| bld.append(System.lineSeparator()); |
| } |
| return bld.toString(); |
| } |
| |
| // ------------------------------------------------------------------------ |
| |
| private TestConfigUtils() {} |
| |
| } |