java shell命令工具类

import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.List;

/**
java shell命令工具类 by yunshouhu
javac JavaShellUtil.java -encoding utf-8
*/
public class JavaShellUtil {

public static  String lineseparator=System.getProperty("line.separator");
public static  String COMMAND_SH       = "sh";
public static  String COMMAND_EXIT     = "exit\n";
public static  String COMMAND_LINE_END = "\n";

static {
if(System.getProperty("os.name").toUpperCase().indexOf("WINDOWS")!=-1)
{
System.out.println("window");
COMMAND_SH="cmd";
}else{
System.out.println("unix");
}

}
public static void main(String[] args) {

System.out.println(JavaShellUtil.execCommand("dir").toString());
System.out.println(JavaShellUtil.execCommand("ls -l").toString());
//System.out.println(JavaShellUtil.execCommand("ping www.baidu.com").toString());
System.out.println(JavaShellUtil.execCommand("aapt v").toString());
System.out.println(JavaShellUtil.execCommand("aapt.exe").toString());

}

public static CommandResult execCommand(String command) {
return execCommand(new String[] {command}, true);
}

public static CommandResult execCommand(String command,  boolean isNeedResultMsg) {
return execCommand(new String[]{command}, isNeedResultMsg);
}

public static CommandResult execCommand(List<String> commands, boolean isNeedResultMsg) {
return execCommand(commands == null ? null : commands.toArray(new String[]{}), isNeedResultMsg);
}

/**
* execute shell commands
* {@link CommandResult#result} is -1, there maybe some excepiton.
*
* @param commands     command array
* @param needResponse whether need result msg
*/
public static CommandResult execCommand(String[] commands, final boolean needResponse) {
int result = -1;
if (commands == null || commands.length == 0) {
return new CommandResult(result, null, "空命令");
}

Process process = null;

final StringBuilder successMsg  = new StringBuilder();
final StringBuilder errorMsg = new StringBuilder();

DataOutputStream os = null;
try {
process = Runtime.getRuntime().exec(COMMAND_SH);
os = new DataOutputStream(process.getOutputStream());
for (String command : commands) {
if (command == null) {
continue;
}
// donnot use os.writeBytes(commmand), avoid chinese charset error
os.write(command.getBytes());
os.writeBytes(COMMAND_LINE_END);
os.flush();
}
os.writeBytes(COMMAND_EXIT);
os.flush();

final  BufferedReader successResult  = new BufferedReader(new InputStreamReader(process.getInputStream()));
final   BufferedReader errorResult =  new BufferedReader(new InputStreamReader(process.getErrorStream()));

//http://249wangmang.blog.163.com/blog/static/52630765201261334351635/
new Thread(new Runnable() {
public void run() {

try {
if (needResponse) {
String s;
while ((s = successResult.readLine()) != null) {
successMsg.append(s);
successMsg.append(lineseparator);
}
}
} catch (IOException e) {
e.printStackTrace();
}
}
}).start();
//启动两个线程,解决process.waitFor()阻塞问题
new Thread(new Runnable() {
public void run() {

try {
if (needResponse) {
String s;
while ((s = errorResult.readLine()) != null) {
errorMsg.append(s);
errorMsg.append(lineseparator);
}
}
} catch (IOException e) {
e.printStackTrace();
}
}
}).start();
result = process.waitFor();
if (errorResult != null) {
errorResult.close();
}
if (successResult != null) {
successResult.close();
}

} catch (IOException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
if (os != null) {
os.close();
}
} catch (IOException e) {
e.printStackTrace();
} finally {
if (process != null) {
process.destroy();
}
}

}
return new CommandResult(result, successMsg == null ? null : successMsg.toString(), errorMsg == null ? null
: errorMsg.toString());
}

public static class CommandResult {

public int    result;
public String responseMsg;
public String errorMsg;

public CommandResult(int result) {
this.result = result;
}

public CommandResult(int result, String responseMsg, String errorMsg) {
this.result = result;
this.responseMsg = responseMsg;
this.errorMsg = errorMsg;
}

@Override
public String toString() {
return "CommandResult{" +
"errorMsg='" + errorMsg + '\'' +
", result=" + result +
", responseMsg='" + responseMsg + '\'' +
'}';
}
}
}