| /** |
| * 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 backend; |
| |
| import java.io.*; |
| |
| public class GenericProcess { |
| private final String path; |
| |
| public GenericProcess(String path) { |
| this.path = path; |
| } |
| |
| public Process createProcess(String command) throws IOException { |
| ProcessBuilder builder = new ProcessBuilder(this.path, command); |
| return spawnProcess(builder); |
| } |
| |
| public Process createProcess(String command, String canonicalPath) |
| throws IOException { |
| ProcessBuilder builder = new ProcessBuilder(this.path, command, |
| canonicalPath); |
| return spawnProcess(builder); |
| } |
| |
| private Process spawnProcess(ProcessBuilder builder) throws IOException { |
| builder.environment().putAll(Utils.getEnvironment()); |
| Process process = builder.redirectErrorStream(true).start(); |
| pipeOutputToLogFile(process.getInputStream()); |
| return process; |
| } |
| |
| private void pipeOutputToLogFile(InputStream processInput) throws IOException { |
| BufferedReader reader = new BufferedReader(new InputStreamReader( |
| processInput)); |
| final File dratLog = new File(FileConstants.DRAT_TEMP_LOG_OUTPUT); |
| System.out.println(FileConstants.DRAT_TEMP_LOG_OUTPUT); |
| if (!dratLog.exists()) { |
| dratLog.createNewFile(); |
| } |
| |
| FileWriter fw = new FileWriter(dratLog.getAbsoluteFile()); |
| BufferedWriter bw = new BufferedWriter(fw); |
| String line = null; |
| while ((line = reader.readLine()) != null) { |
| System.out.println(line); |
| bw.write(line); |
| } |
| bw.close(); |
| fw.close(); |
| reader.close(); |
| } |
| } |