| /* |
| * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import java.io.BufferedReader; |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStreamReader; |
| import java.io.PrintWriter; |
| import java.io.StringWriter; |
| import java.nio.charset.Charset; |
| import java.nio.file.Files; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| |
| /* |
| * support infrastructure to invoke a java class from the command line |
| */ |
| class LUtils { |
| static final com.sun.tools.javac.Main javac = |
| new com.sun.tools.javac.Main(); |
| static final File cwd = new File(".").getAbsoluteFile(); |
| static final String JAVAHOME = System.getProperty("java.home"); |
| static final boolean isWindows = |
| System.getProperty("os.name", "unknown").startsWith("Windows"); |
| static final File JAVA_BIN_FILE = new File(JAVAHOME, "bin"); |
| static final File JAVA_CMD = new File(JAVA_BIN_FILE, |
| isWindows ? "java.exe" : "java"); |
| static final File JAR_BIN_FILE = new File(JAVAHOME, "bin"); |
| static final File JAR_CMD = new File(JAR_BIN_FILE, |
| isWindows ? "jar.exe" : "jar"); |
| |
| protected LUtils() { |
| } |
| |
| public static void compile(String... args) { |
| if (javac.compile(args) != 0) { |
| throw new RuntimeException("compilation fails"); |
| } |
| } |
| |
| static void createFile(File outFile, List<String> content) { |
| try { |
| Files.write(outFile.getAbsoluteFile().toPath(), content, |
| Charset.defaultCharset()); |
| } catch (IOException ex) { |
| throw new RuntimeException(ex); |
| } |
| } |
| |
| static File getClassFile(File javaFile) { |
| return javaFile.getName().endsWith(".java") |
| ? new File(javaFile.getName().replace(".java", ".class")) |
| : null; |
| } |
| |
| static String getSimpleName(File inFile) { |
| String fname = inFile.getName(); |
| return fname.substring(0, fname.indexOf(".")); |
| } |
| |
| static TestResult doExec(String... cmds) { |
| return doExec(null, null, cmds); |
| } |
| |
| /* |
| * A method which executes a java cmd and returns the results in a container |
| */ |
| static TestResult doExec(Map<String, String> envToSet, |
| java.util.Set<String> envToRemove, String... cmds) { |
| String cmdStr = ""; |
| for (String x : cmds) { |
| cmdStr = cmdStr.concat(x + " "); |
| } |
| ProcessBuilder pb = new ProcessBuilder(cmds); |
| Map<String, String> env = pb.environment(); |
| if (envToRemove != null) { |
| for (String key : envToRemove) { |
| env.remove(key); |
| } |
| } |
| if (envToSet != null) { |
| env.putAll(envToSet); |
| } |
| BufferedReader rdr = null; |
| try { |
| List<String> outputList = new ArrayList<>(); |
| pb.redirectErrorStream(true); |
| Process p = pb.start(); |
| rdr = new BufferedReader(new InputStreamReader(p.getInputStream())); |
| String in = rdr.readLine(); |
| while (in != null) { |
| outputList.add(in); |
| in = rdr.readLine(); |
| } |
| p.waitFor(); |
| p.destroy(); |
| |
| return new TestResult(cmdStr, p.exitValue(), outputList, |
| env, new Throwable("current stack of the test")); |
| } catch (Exception ex) { |
| ex.printStackTrace(); |
| throw new RuntimeException(ex.getMessage()); |
| } |
| } |
| |
| static class TestResult { |
| String cmd; |
| int exitValue; |
| List<String> testOutput; |
| Map<String, String> env; |
| Throwable t; |
| |
| public TestResult(String str, int rv, List<String> oList, |
| Map<String, String> env, Throwable t) { |
| cmd = str; |
| exitValue = rv; |
| testOutput = oList; |
| this.env = env; |
| this.t = t; |
| } |
| |
| void assertZero(String message) { |
| if (exitValue != 0) { |
| System.err.println(this); |
| throw new RuntimeException(message); |
| } |
| } |
| |
| @Override |
| public String toString() { |
| StringWriter sw = new StringWriter(); |
| PrintWriter status = new PrintWriter(sw); |
| status.println("Cmd: " + cmd); |
| status.println("Return code: " + exitValue); |
| status.println("Environment variable:"); |
| for (String x : env.keySet()) { |
| status.println("\t" + x + "=" + env.get(x)); |
| } |
| status.println("Output:"); |
| for (String x : testOutput) { |
| status.println("\t" + x); |
| } |
| status.println("Exception:"); |
| status.println(t.getMessage()); |
| t.printStackTrace(status); |
| |
| return sw.getBuffer().toString(); |
| } |
| } |
| } |