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EOCV-Sim/src/main/java/com/github/serivesmejia/eocvsim/util/JavaProcess.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,110 +1,112 @@ | ||
| /* | ||
| * Copyright (c) 2024 Sebastian Erives | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| * of this software and associated documentation files (the "Software"), to deal | ||
| * in the Software without restriction, including without limitation the rights | ||
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in all | ||
| * copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| * SOFTWARE. | ||
| * | ||
| */ | ||
|
|
||
| package com.github.serivesmejia.eocvsim.util; | ||
|
|
||
| import java.io.File; | ||
| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.util.LinkedList; | ||
| import java.util.List; | ||
|
|
||
| /** | ||
| * A utility class for executing a Java process to run a main class within this project. | ||
| */ | ||
| public final class JavaProcess { | ||
|
|
||
| public interface ProcessIOReceiver { | ||
| void receive(InputStream in, InputStream err); | ||
| } | ||
|
|
||
| private JavaProcess() {} | ||
|
|
||
| /** | ||
| * Executes a Java process with the given class and arguments. | ||
| * @param klass the class to execute | ||
| * @param ioReceiver the receiver for the process' input and error streams (will use inheritIO if null) | ||
| * @param classpath the classpath to use | ||
| * (use System.getProperty("java.class.path") for the default classpath) | ||
| * @param jvmArgs the JVM arguments to pass to the process | ||
| * @param args the arguments to pass to the class | ||
| * @return the exit value of the process | ||
| * @throws InterruptedException if the process is interrupted | ||
| * @throws IOException if an I/O error occurs | ||
| */ | ||
| public static int execClasspath(Class klass, ProcessIOReceiver ioReceiver, String classpath, List<String> jvmArgs, List<String> args) throws InterruptedException, IOException { | ||
| String javaHome = System.getProperty("java.home"); | ||
| String javaBin = javaHome + | ||
| File.separator + "bin" + | ||
| File.separator + "java"; | ||
| String className = klass.getName(); | ||
|
|
||
| List<String> command = new LinkedList<>(); | ||
| command.add(javaBin); | ||
| if (jvmArgs != null) { | ||
| command.addAll(jvmArgs); | ||
| } | ||
| command.add("-cp"); | ||
| command.add(classpath); | ||
| command.add(className); | ||
| if (args != null) { | ||
| command.addAll(args); | ||
| } | ||
|
|
||
| ProcessBuilder builder = new ProcessBuilder(command); | ||
|
|
||
| if (ioReceiver != null) { | ||
| Process process = builder.start(); | ||
| ioReceiver.receive(process.getInputStream(), process.getErrorStream()); | ||
| killOnExit(process); | ||
|
|
||
| process.waitFor(); | ||
| return process.exitValue(); | ||
| } else { | ||
| builder.inheritIO(); | ||
| Process process = builder.start(); | ||
| killOnExit(process); | ||
|
|
||
| process.waitFor(); | ||
| return process.exitValue(); | ||
| } | ||
| } | ||
|
|
||
| private static void killOnExit(Process process) { | ||
| Runtime.getRuntime().addShutdownHook(new Thread(process::destroy)); | ||
| } | ||
|
|
||
| /** | ||
| * Executes a Java process with the given class and arguments. | ||
| * @param klass the class to execute | ||
| * @param jvmArgs the JVM arguments to pass to the process | ||
| * @param args the arguments to pass to the class | ||
| * @return the exit value of the process | ||
| * @throws InterruptedException if the process is interrupted | ||
| * @throws IOException if an I/O error occurs | ||
| */ | ||
| public static int exec(Class klass, List<String> jvmArgs, List<String> args) throws InterruptedException, IOException { | ||
| return execClasspath(klass, null, System.getProperty("java.class.path"), jvmArgs, args); | ||
| } | ||
|
|
||
| /* | ||
| * Copyright (c) 2024 Sebastian Erives | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| * of this software and associated documentation files (the "Software"), to deal | ||
| * in the Software without restriction, including without limitation the rights | ||
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in all | ||
| * copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| * SOFTWARE. | ||
| * | ||
| */ | ||
|
|
||
| package com.github.serivesmejia.eocvsim.util; | ||
|
|
||
| import java.io.File; | ||
| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.util.LinkedList; | ||
| import java.util.List; | ||
|
|
||
| /** | ||
| * A utility class for executing a Java process to run a main class within this project. | ||
| */ | ||
| public final class JavaProcess { | ||
|
|
||
| public interface ProcessIOReceiver { | ||
| void receive(InputStream in, InputStream err); | ||
| } | ||
|
|
||
| private JavaProcess() {} | ||
|
|
||
| /** | ||
| * Executes a Java process with the given class and arguments. | ||
| * @param klass the class to execute | ||
| * @param ioReceiver the receiver for the process' input and error streams (will use inheritIO if null) | ||
| * @param classpath the classpath to use | ||
| * (use System.getProperty("java.class.path") for the default classpath) | ||
| * @param jvmArgs the JVM arguments to pass to the process | ||
| * @param args the arguments to pass to the class | ||
| * @return the exit value of the process | ||
| * @throws InterruptedException if the process is interrupted | ||
| * @throws IOException if an I/O error occurs | ||
| */ | ||
| public static int execClasspath(Class klass, ProcessIOReceiver ioReceiver, String classpath, List<String> jvmArgs, List<String> args) throws InterruptedException, IOException { | ||
| String javaHome = System.getProperty("java.home"); | ||
| String javaBin = javaHome + | ||
| File.separator + "bin" + | ||
| File.separator + "java"; | ||
| String className = klass.getName(); | ||
|
|
||
| List<String> command = new LinkedList<>(); | ||
| command.add(javaBin); | ||
| if (jvmArgs != null) { | ||
| command.addAll(jvmArgs); | ||
| } | ||
| command.add("-cp"); | ||
| command.add(classpath); | ||
| command.add(className); | ||
| if (args != null) { | ||
| command.addAll(args); | ||
| } | ||
|
|
||
| System.out.println("Executing command: " + command); | ||
|
|
||
| ProcessBuilder builder = new ProcessBuilder(command); | ||
|
|
||
| if (ioReceiver != null) { | ||
| Process process = builder.start(); | ||
| ioReceiver.receive(process.getInputStream(), process.getErrorStream()); | ||
| killOnExit(process); | ||
|
|
||
| process.waitFor(); | ||
| return process.exitValue(); | ||
| } else { | ||
| builder.inheritIO(); | ||
| Process process = builder.start(); | ||
| killOnExit(process); | ||
|
|
||
| process.waitFor(); | ||
| return process.exitValue(); | ||
| } | ||
| } | ||
|
|
||
| private static void killOnExit(Process process) { | ||
| Runtime.getRuntime().addShutdownHook(new Thread(process::destroy)); | ||
| } | ||
|
|
||
| /** | ||
| * Executes a Java process with the given class and arguments. | ||
| * @param klass the class to execute | ||
| * @param jvmArgs the JVM arguments to pass to the process | ||
| * @param args the arguments to pass to the class | ||
| * @return the exit value of the process | ||
| * @throws InterruptedException if the process is interrupted | ||
| * @throws IOException if an I/O error occurs | ||
| */ | ||
| public static int exec(Class klass, List<String> jvmArgs, List<String> args) throws InterruptedException, IOException { | ||
| return execClasspath(klass, null, System.getProperty("java.class.path"), jvmArgs, args); | ||
| } | ||
|
|
||
| } |
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This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters