/
ShellUtil.java
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/
ShellUtil.java
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package com.liyi.sutils.utils;
import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.List;
/**
* Shell 相关工具类
*/
public final class ShellUtil {
private static final String LINE_SEP = System.getProperty("line.separator");
private ShellUtil() {
throw new UnsupportedOperationException("cannot be instantiated");
}
/**
* 是否是在 root 下执行命令
*
* @param command 命令
* @param isRoot 是否需要 root 权限执行
* @return CommandResult
*/
public static CommandResult execCmd(String command, boolean isRoot) {
return execCmd(new String[]{command}, isRoot, true);
}
/**
* 是否是在 root 下执行命令
*
* @param commands 多条命令链表
* @param isRoot 是否需要 root 权限执行
* @return CommandResult
*/
public static CommandResult execCmd(List<String> commands, boolean isRoot) {
return execCmd(commands == null ? null : commands.toArray(new String[]{}), isRoot, true);
}
/**
* 是否是在 root 下执行命令
*
* @param commands 多条命令数组
* @param isRoot 是否需要 root 权限执行
* @return CommandResult
*/
public static CommandResult execCmd(String[] commands, boolean isRoot) {
return execCmd(commands, isRoot, true);
}
/**
* 是否是在 root 下执行命令
*
* @param command 命令
* @param isRoot 是否需要 root 权限执行
* @param isNeedResultMsg 是否需要结果消息
* @return CommandResult
*/
public static CommandResult execCmd(String command, boolean isRoot, boolean isNeedResultMsg) {
return execCmd(new String[]{command}, isRoot, isNeedResultMsg);
}
/**
* 是否是在 root 下执行命令
*
* @param commands 命令链表
* @param isRoot 是否需要 root 权限执行
* @param isNeedResultMsg 是否需要结果消息
* @return CommandResult
*/
public static CommandResult execCmd(List<String> commands, boolean isRoot, boolean isNeedResultMsg) {
return execCmd(commands == null ? null : commands.toArray(new String[]{}), isRoot, isNeedResultMsg);
}
/**
* 是否是在 root 下执行命令
*
* @param commands 命令数组
* @param isRoot 是否需要 root 权限执行
* @param isNeedResultMsg 是否需要结果消息
* @return CommandResult
*/
public static CommandResult execCmd(final String[] commands, final boolean isRoot, final 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 ? "su" : "sh");
os = new DataOutputStream(process.getOutputStream());
for (String command : commands) {
if (command == null) continue;
os.write(command.getBytes());
os.writeBytes(LINE_SEP);
os.flush();
}
os.writeBytes("exit" + LINE_SEP);
os.flush();
result = process.waitFor();
if (isNeedResultMsg) {
successMsg = new StringBuilder();
errorMsg = new StringBuilder();
successResult = new BufferedReader(new InputStreamReader(process.getInputStream(), "UTF-8"));
errorResult = new BufferedReader(new InputStreamReader(process.getErrorStream(), "UTF-8"));
String line;
if ((line = successResult.readLine()) != null) {
successMsg.append(line);
while ((line = successResult.readLine()) != null) {
successMsg.append(LINE_SEP).append(line);
}
}
if ((line = errorResult.readLine()) != null) {
errorMsg.append(line);
while ((line = errorResult.readLine()) != null) {
errorMsg.append(LINE_SEP).append(line);
}
}
}
} 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()
);
}
/**
* 返回的命令结果
*/
public static class CommandResult {
/**
* 结果码
**/
public int result;
/**
* 成功信息
**/
public String successMsg;
/**
* 错误信息
**/
public String errorMsg;
public CommandResult(int result, String successMsg, String errorMsg) {
this.result = result;
this.successMsg = successMsg;
this.errorMsg = errorMsg;
}
}
}