fix bug https://github.com/AriaLyy/Aria/issues/500

fix bug https://github.com/AriaLyy/Aria/issues/508
fix bug https://github.com/AriaLyy/Aria/issues/503
修复m3u8创建索引不成功的问题

SFtpComponent/src/main/java/com/arialyy/aria/sftp/SFtpUtil.java

@@ -0,0 +1,200 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.sftp;
+
+import android.text.TextUtils;
+import com.arialyy.aria.util.ALog;
+import com.arialyy.aria.util.CommonUtil;
+import com.jcraft.jsch.ChannelExec;
+import com.jcraft.jsch.JSch;
+import com.jcraft.jsch.JSchException;
+import com.jcraft.jsch.Session;
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.util.Properties;
+
+/**
+ * sftp工具类
+ *
+ * @author lyy
+ */
+public class SFtpUtil {
+  private final String TAG = CommonUtil.getClassName(getClass());
+  /**
+   * 用于执行命令
+   */
+  public static final String CMD_TYPE_EXEC = "exec";
+  /**
+   * 用于处理文件
+   */
+  public static final String CMD_TYPE_SFTP = "sftp";
+  private String ip, userName, password;
+  private int port;
+  private Session session;
+  private boolean isLogin = false;
+
+  private SFtpUtil() {
+    createClient();
+  }
+
+  /**
+   * 创建客户端
+   */
+  private void createClient() {
+    JSch jSch = new JSch();
+    try {
+      if (TextUtils.isEmpty(userName)) {
+        session = jSch.getSession(userName, ip, port);
+      } else {
+        session = jSch.getSession(ip);
+      }
+      if (!TextUtils.isEmpty(password)) {
+        session.setPassword(password);
+      }
+      Properties config = new Properties();
+      config.put("StrictHostKeyChecking", "no");
+      session.setConfig(config);// 为Session对象设置properties
+      session.setTimeout(3000);// 设置超时
+      login();
+      isLogin = true;
+    } catch (JSchException e) {
+      e.printStackTrace();
+    }
+  }
+
+  /**
+   * 执行登录
+   */
+  public Session login() {
+    try {
+      session.connect(); // 通过Session建立连接
+    } catch (JSchException e) {
+      e.printStackTrace();
+    }
+    return session;
+  }
+
+  /**
+   * 登出
+   */
+  public void logout() {
+    if (session != null) {
+      session.disconnect();
+    }
+    isLogin = false;
+  }
+
+  public Session getSession() {
+    return session;
+  }
+
+  /**
+   * 执行命令
+   *
+   * @param cmd sftp命令
+   */
+  public void execCommand(String cmd) {
+    if (TextUtils.isEmpty(cmd)) {
+      ALog.e(TAG, "命令为空");
+      return;
+    }
+    if (!isLogin) {
+      ALog.e(TAG, "没有登录");
+      return;
+    }
+    ChannelExec channel = null;
+    try {
+      channel = (ChannelExec) session.openChannel(CMD_TYPE_EXEC);
+      channel.setCommand(cmd);
+      channel.connect();
+      String rst = getResult(channel.getInputStream());
+
+      ALog.i(TAG, String.format("result: %s", rst));
+    } catch (IOException e) {
+      e.printStackTrace();
+    } catch (JSchException e) {
+      e.printStackTrace();
+    } finally {
+      if (channel != null) {
+        channel.disconnect();
+      }
+    }
+  }
+
+  /**
+   * 执行命令后，获取服务器端返回的数据
+   *
+   * @return 服务器端返回的数据
+   */
+  private String getResult(InputStream in) throws IOException {
+    if (in == null){
+      ALog.e(TAG, "输入流为空");
+      return null;
+    }
+    StringBuilder sb = new StringBuilder();
+    BufferedReader isr = new BufferedReader(new InputStreamReader(in));
+    String line;
+    while ((line = isr.readLine()) != null) {
+      sb.append(line);
+    }
+    in.close();
+    isr.close();
+
+    return sb.toString();
+  }
+
+  public static class Builder {
+    private String ip, userName, password;
+    private int port = 22;
+
+    public Builder setIp(String ip) {
+      this.ip = ip;
+      return this;
+    }
+
+    public Builder setUserName(String userName) {
+      this.userName = userName;
+      return this;
+    }
+
+    public Builder setPassword(String password) {
+      this.password = password;
+      return this;
+    }
+
+    public Builder setPort(int port) {
+      this.port = port;
+      return this;
+    }
+
+    public SFtpUtil build() {
+      SFtpUtil login = new SFtpUtil();
+      login.ip = ip;
+      login.userName = userName;
+      login.password = password;
+      login.port = port;
+      if (TextUtils.isEmpty(ip)) {
+        throw new IllegalArgumentException("ip不能为空");
+      }
+      if (port < 0 || port > 65534) {
+        throw new IllegalArgumentException("端口错误");
+      }
+      return login;
+    }
+  }
+}