Java\u304b\u3089\u30b7\u30a7\u30eb\u30b3\u30de\u30f3\u30c9\u3092\u5229\u7528\u3067\u304d\u305f\u3089\u3001\u3055\u305e\u304b\u3057\u4fbf\u5229\u3060\u308d\u3046\u3068\u601d\u3046\u308f\u3051\u3067\u3059\u304c\u3001\u305d\u3046\u3044\u3046\u3053\u3068\u306f\u3082\u3061\u308d\u3093\u3067\u304d\u307e\u3059\u3002java.lang.Process \u30af\u30e9\u30b9\u3092\u4f7f\u3048\u3070\u3044\u3044\u306e\u3067\u3001OS\u306e\u7a2e\u985e\u3050\u3089\u3044\u306f\u5224\u5225\u3057\u3066\u52d5\u4f5c\u3092\u78ba\u8a8d\u3067\u304d\u308b\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u6210\u3057\u3066\u307f\u307e\u3057\u305f\u3002\u30d7\u30ed\u30bb\u30b9\u3092\u8d77\u52d5\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u901f\u5ea6\u7684\u306b\u554f\u984c\u304c\u3042\u308b\u308f\u3051\u3067\u3059\u304c\u3001\u3053\u308c\u3067\u306f\u6e80\u8db3\u3067\u304d\u306a\u3044\u5834\u5408\u306fJNI\u3068\u304b\u3092\u691c\u8a0e\u3059\u308b\u306e\u304c\u3088\u308d\u3057\u304b\u308d\u3046\u304b\u3068\u3044\u3046\u611f\u3058\u3067\u3059\u3002<\/p>\n
<\/p>\n
import java.io.BufferedReader;
\nimport java.io.BufferedWriter;
\nimport java.io.IOException;
\nimport java.io.InputStreamReader;
\nimport java.io.OutputStreamWriter;
\nimport java.util.Collections;
\nimport java.util.LinkedList;
\nimport java.util.List;<\/p>\n
public class RuntimeTest {
\n class RunnableReader implements Runnable {
\n private Process p = null;
\n private BufferedReader reader = null;
\n private BufferedWriter writer = null;
\n private List message =
\n Collections.synchronizedList(new LinkedList());
\n public RunnableReader(Process p, String type) {
\n this.p = p;
\n if (“STDOUT”.equals(type)) {
\n reader = new BufferedReader(
\n new InputStreamReader(p.getInputStream()));
\n writer = new BufferedWriter(
\n new OutputStreamWriter(System.out));
\n } else if (“STDERR”.equals(type)) {
\n reader = new BufferedReader(
\n new InputStreamReader(p.getErrorStream()));
\n writer = new BufferedWriter(
\n new OutputStreamWriter(System.err));
\n }
\n }
\n public void run() {
\n if (reader == null || writer == null) {
\n \treturn;
\n }
\n String line = “”;
\n try {
\n while ((line = reader.readLine()) != null) {
\n message.add(line);
\n writer.write(line);
\n writer.newLine();
\n writer.flush();
\n }
\n } catch (IOException e) {
\n e.printStackTrace();
\n }
\n }
\n public List getMessages() {
\n return message;
\n }
\n }
\n public void run(String command) {
\n String[] commands = new String[1];
\n commands[0] = command;
\n run(commands);
\n }
\n public void run(String[] commands) {
\n Process p = null;
\n try {
\n p = Runtime.getRuntime().exec(commands);
\n BufferedReader reader =
\n new BufferedReader(
\n new InputStreamReader(p.getInputStream()));
\n Thread stdoutReader = new Thread(new RunnableReader(p, “STDOUT”));
\n Thread stderrReader = new Thread(new RunnableReader(p, “STDERR”));
\n stdoutReader.start();
\n stderrReader.start();
\n try {
\n p.waitFor();
\n } catch (InterruptedException e1) {
\n e1.printStackTrace();
\n }
\n int exitValue = p.exitValue();
\n System.out.println(exitValue);
\n } catch (IOException e) {
\n e.printStackTrace();
\n }
\n }
\n public static void main(String[] args) {
\n String osName = System.getProperty(“os.name”);
\n String command;
\n String[] commands;
\n String[] errorCommands;
\n if (osName.startsWith(“Win”)) {
\n command = “ipconfig”;
\n String[] winCommands = { “cmd”, “\/c”, “dir”, “\/w” };
\n commands = winCommands;
\n String[] winErrorCommands = { “cmd”, “\/c”, “dir”, “foo” };
\n errorCommands = winErrorCommands;
\n } else {
\n command = “ls”;
\n String[] linuxCommands = { “ls”, “-l” };
\n commands = linuxCommands;
\n String[] linuxErrorCommands = { “ls”, “foo” };
\n errorCommands = linuxErrorCommands;
\n }
\n RuntimeTest rt = new RuntimeTest();
\n rt.run(command);
\n rt.run(commands);
\n rt.run(errorCommands);
\n }
\n}<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"
Java\u304b\u3089\u30b7\u30a7\u30eb\u30b3\u30de\u30f3\u30c9\u3092\u5229\u7528\u3067\u304d\u305f\u3089\u3001\u3055\u305e\u304b\u3057\u4fbf\u5229\u3060\u308d\u3046\u3068\u601d\u3046\u308f\u3051\u3067\u3059\u304c\u3001\u305d\u3046\u3044\u3046\u3053\u3068\u306f\u3082\u3061\u308d\u3093\u3067\u304d\u307e\u3059\u3002java.lang.Process \u30af\u30e9\u30b9\u3092\u4f7f\u3048\u3070\u3044\u3044\u306e\u3067\u3001OS\u306e\u7a2e\u985e\u3050\u3089\u3044\u306f\u5224\u5225\u3057\u3066\u52d5\u4f5c\u3092\u78ba\u8a8d\u3067\u304d\u308b\u30b5\u30f3\u30d7\u30eb … \u7d9a\u304d\u3092\u8aad\u3080