Android APP层 ShellUtils

拷贝成 ShellUtils.java 即可享用。

import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.List;/*** ShellUtils* 
* Check root* 
{@link ShellUtils#checkRootPermission()}
* 
* 
* Execte command* 
{@link ShellUtils#execCommand(String, boolean)}
* 
{@link ShellUtils#execCommand(String, boolean, boolean)}
* 
{@link ShellUtils#execCommand(List, boolean)}
* 
{@link ShellUtils#execCommand(List, boolean, boolean)}
* 
{@link ShellUtils#execCommand(String[], boolean)}
* 
{@link ShellUtils#execCommand(String[], boolean, boolean)}
* 
** @author Trinea 2013-5-16*/
class ShellUtils {public static final String COMMAND_SU = "su";public static final String COMMAND_SH = "sh";public static final String COMMAND_EXIT = "exit\n";public static final String COMMAND_LINE_END = "\n";private ShellUtils() {throw new AssertionError();}/*** check whether has root permission** @return*/public static boolean checkRootPermission() {return execCommand("echo root", true, false).result == 0;}/*** execute shell command, default return result msg** @param command command* @param isRoot  whether need to run with root* @return* @see ShellUtils#execCommand(String[], boolean, boolean)*/public static CommandResult execCommand(String command, boolean isRoot) {return execCommand(new String[]{command}, isRoot, true);}/*** execute shell commands, default return result msg** @param commands command list* @param isRoot   whether need to run with root* @return* @see ShellUtils#execCommand(String[], boolean, boolean)*/public static CommandResult execCommand(List commands, boolean isRoot) {return execCommand(commands == null ? null : commands.toArray(new String[]{}), isRoot, true);}/*** execute shell commands, default return result msg** @param commands command array* @param isRoot   whether need to run with root* @return* @see ShellUtils#execCommand(String[], boolean, boolean)*/public static CommandResult execCommand(String[] commands, boolean isRoot) {return execCommand(commands, isRoot, true);}/*** execute shell command** @param command         command* @param isRoot          whether need to run with root* @param isNeedResultMsg whether need result msg* @return* @see ShellUtils#execCommand(String[], boolean, boolean)*/public static CommandResult execCommand(String command, boolean isRoot, boolean isNeedResultMsg) {return execCommand(new String[]{command}, isRoot, isNeedResultMsg);}/*** execute shell commands** @param commands        command list* @param isRoot          whether need to run with root* @param isNeedResultMsg whether need result msg* @return* @see ShellUtils#execCommand(String[], boolean, boolean)*/public static CommandResult execCommand(List commands, boolean isRoot, boolean isNeedResultMsg) {return execCommand(commands == null ? null : commands.toArray(new String[]{}), isRoot, isNeedResultMsg);}/*** execute shell commands** @param commands        command array* @param isRoot          whether need to run with root* @param isNeedResultMsg whether need result msg* @return 
* 
if isNeedResultMsg is false, {@link CommandResult#successMsg} is null and* {@link CommandResult#errorMsg} is null.
* 
if {@link CommandResult#result} is -1, there maybe some excepiton.
* 
*/public static CommandResult execCommand(String[] commands, boolean isRoot, boolean isNeedResultMsg) {int result = -1;if (commands == null || commands.length == 0) {return new CommandResult(result, null, null);}Process process = null;BufferedReader successResult = null;BufferedReader errorResult = null;StringBuilder successMsg = null;StringBuilder errorMsg = null;DataOutputStream os = null;try {process = Runtime.getRuntime().exec(isRoot ? COMMAND_SU : COMMAND_SH);os = new DataOutputStream(process.getOutputStream());for (String command : commands) {if (command == null) {continue;}// donnot use os.writeBytes(commmand), avoid chinese charset erroros.write(command.getBytes());os.writeBytes(COMMAND_LINE_END);os.flush();}os.writeBytes(COMMAND_EXIT);os.flush();result = process.waitFor();// get command resultif (isNeedResultMsg) {successMsg = new StringBuilder();errorMsg = new StringBuilder();successResult = new BufferedReader(new InputStreamReader(process.getInputStream()));errorResult = new BufferedReader(new InputStreamReader(process.getErrorStream()));String s;while ((s = successResult.readLine()) != null) {successMsg.append(s);}while ((s = errorResult.readLine()) != null) {errorMsg.append(s);}}} catch (IOException e) {e.printStackTrace();} catch (Exception e) {e.printStackTrace();} finally {try {if (os != null) {os.close();}if (successResult != null) {successResult.close();}if (errorResult != null) {errorResult.close();}} catch (IOException e) {e.printStackTrace();}if (process != null) {process.destroy();}}return new CommandResult(result, successMsg == null ? null : successMsg.toString(), errorMsg == null ? null: errorMsg.toString());}/*** result of command* 
* 
{@link CommandResult#result} means result of command, 0 means normal, else means error, same to excute in* linux shell
* 
{@link CommandResult#successMsg} means success message of command result
* 
{@link CommandResult#errorMsg} means error message of command result
* 
** @author Trinea 2013-5-16*/public static class CommandResult {/*** result of command**/public int result;/*** success message of command result**/public String successMsg;/*** error message of command result**/public String errorMsg;public CommandResult(int result) {this.result = result;}public CommandResult(int result, String successMsg, String errorMsg) {this.result = result;this.successMsg = successMsg;this.errorMsg = errorMsg;}}
}

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