0N/A/*
2362N/A * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/A/**
0N/A *
0N/A */
0N/A
0N/Aimport java.io.*;
0N/Aimport java.util.Properties;
0N/A
0N/Apublic class JavaProcess {
0N/A
0N/A protected Process process = null;
0N/A
0N/A private String classname;
0N/A private StringBuilder classArgs;
0N/A private StringBuilder javaOptions;
0N/A
0N/A private static String java = System.getProperty("java.home")
0N/A + File.separator + "bin"
0N/A + File.separator + "java";
0N/A
0N/A public JavaProcess(String classname) {
0N/A this(classname, "", "");
0N/A }
0N/A
0N/A public JavaProcess(String classname, String classArgs) {
0N/A this(classname, "", classArgs);
0N/A }
0N/A
0N/A public JavaProcess(String classname, String javaOptions, String classArgs) {
0N/A this.classname = classname;
0N/A this.javaOptions = new StringBuilder(javaOptions);
0N/A this.classArgs = new StringBuilder(classArgs);
0N/A }
0N/A
0N/A /**
0N/A * add java options to the java command
0N/A */
0N/A public void addOptions(String[] opts) {
0N/A if (javaOptions != null && javaOptions.length() > 0) {
0N/A javaOptions.append(" ");
0N/A }
0N/A
0N/A for (int i = 0; i < opts.length; i++) {
0N/A if (i != 0) {
0N/A javaOptions.append(" ");
0N/A }
0N/A javaOptions.append(opts[i]);
0N/A }
0N/A }
0N/A
0N/A /**
0N/A * add arguments to the class arguments
0N/A */
0N/A public void addArguments(String[] args) {
0N/A if (classArgs != null && classArgs.length() > 0) {
0N/A classArgs.append(" ");
0N/A }
0N/A
0N/A for (int i = 0; i < args.length; i++) {
0N/A if (i != 0) {
0N/A classArgs.append(" ");
0N/A }
0N/A classArgs.append(args[i]);
0N/A }
0N/A }
0N/A
0N/A /**
0N/A * start the java process
0N/A */
0N/A public void start() throws IOException {
0N/A if (process != null) {
0N/A return;
0N/A }
0N/A
0N/A String javaCommand = java + " " + javaOptions + " "
0N/A + classname + " " + classArgs;
0N/A
0N/A System.out.println("exec'ing: " + javaCommand);
0N/A
0N/A process = Runtime.getRuntime().exec(javaCommand);
0N/A }
0N/A
0N/A /**
0N/A * destroy the java process
0N/A */
0N/A public void destroy() {
0N/A if (process != null) {
0N/A process.destroy();
0N/A }
0N/A process = null;
0N/A }
0N/A
0N/A public int exitValue() {
0N/A if (process != null) {
0N/A return process.exitValue();
0N/A }
0N/A throw new RuntimeException("exitValue called with process == null");
0N/A }
0N/A
0N/A public InputStream getErrorStream() {
0N/A if (process != null) {
0N/A return process.getErrorStream();
0N/A }
0N/A throw new RuntimeException(
0N/A "getErrorStream() called with process == null");
0N/A }
0N/A
0N/A public InputStream getInputStream() {
0N/A if (process != null) {
0N/A return process.getInputStream();
0N/A }
0N/A throw new RuntimeException(
0N/A "getInputStream() called with process == null");
0N/A }
0N/A
0N/A public OutputStream getOutputStream() {
0N/A if (process != null) {
0N/A return process.getOutputStream();
0N/A }
0N/A throw new RuntimeException(
0N/A "getOutputStream() called with process == null");
0N/A }
0N/A
0N/A public int waitFor() throws InterruptedException {
0N/A if (process != null) {
0N/A return process.waitFor();
0N/A }
0N/A throw new RuntimeException("waitFor() called with process == null");
0N/A }
0N/A}