http://www.jcraft.com/jsch/: JSch is a pure Java implementation of SSH2 (JCraft,Inc.) 
public class com.jcraft.jsch.ChannelExec extends com.jcraft.jsch.ChannelSession
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: com.jcraft.jsch.ChannelExec
  super_class: com.jcraft.jsch.ChannelSession
{
  byte[] command;
    descriptor: [B
    flags: (0x0000) 

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // com.jcraft.jsch.ChannelExec this
         0: .line 34
            aload 0 /* this */
            invokespecial com.jcraft.jsch.ChannelSession.<init>:()V
         1: .line 36
            aload 0 /* this */
            iconst_0
            newarray 8
            putfield com.jcraft.jsch.ChannelExec.command:[B
         2: .line 34
            return
        end local 0 // com.jcraft.jsch.ChannelExec this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lcom/jcraft/jsch/ChannelExec;

  public void start();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=1
        start local 0 // com.jcraft.jsch.ChannelExec this
         0: .line 39
            aload 0 /* this */
            invokevirtual com.jcraft.jsch.ChannelExec.getSession:()Lcom/jcraft/jsch/Session;
            astore 1 /* _session */
        start local 1 // com.jcraft.jsch.Session _session
         1: .line 41
            aload 0 /* this */
            invokevirtual com.jcraft.jsch.ChannelExec.sendRequests:()V
         2: .line 42
            new com.jcraft.jsch.RequestExec
            dup
            aload 0 /* this */
            getfield com.jcraft.jsch.ChannelExec.command:[B
            invokespecial com.jcraft.jsch.RequestExec.<init>:([B)V
            astore 2 /* request */
        start local 2 // com.jcraft.jsch.Request request
         3: .line 43
            aload 2 /* request */
            aload 1 /* _session */
            aload 0 /* this */
            invokevirtual com.jcraft.jsch.Request.request:(Lcom/jcraft/jsch/Session;Lcom/jcraft/jsch/Channel;)V
        end local 2 // com.jcraft.jsch.Request request
         4: .line 44
            goto 10
         5: .line 45
      StackMap locals: com.jcraft.jsch.ChannelExec com.jcraft.jsch.Session
      StackMap stack: java.lang.Exception
            astore 2 /* e */
        start local 2 // java.lang.Exception e
         6: .line 46
            aload 2 /* e */
            instanceof com.jcraft.jsch.JSchException
            ifeq 7
            aload 2 /* e */
            checkcast com.jcraft.jsch.JSchException
            athrow
         7: .line 47
      StackMap locals: java.lang.Exception
      StackMap stack:
            aload 2 /* e */
            instanceof java.lang.Throwable
            ifeq 9
         8: .line 48
            new com.jcraft.jsch.JSchException
            dup
            ldc "ChannelExec"
            aload 2 /* e */
            invokespecial com.jcraft.jsch.JSchException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
         9: .line 49
      StackMap locals:
      StackMap stack:
            new com.jcraft.jsch.JSchException
            dup
            ldc "ChannelExec"
            invokespecial com.jcraft.jsch.JSchException.<init>:(Ljava/lang/String;)V
            athrow
        end local 2 // java.lang.Exception e
        10: .line 52
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield com.jcraft.jsch.ChannelExec.io:Lcom/jcraft/jsch/IO;
            getfield com.jcraft.jsch.IO.in:Ljava/io/InputStream;
            ifnull 16
        11: .line 53
            aload 0 /* this */
            new java.lang.Thread
            dup
            aload 0 /* this */
            invokespecial java.lang.Thread.<init>:(Ljava/lang/Runnable;)V
            putfield com.jcraft.jsch.ChannelExec.thread:Ljava/lang/Thread;
        12: .line 54
            aload 0 /* this */
            getfield com.jcraft.jsch.ChannelExec.thread:Ljava/lang/Thread;
            new java.lang.StringBuilder
            dup
            ldc "Exec thread "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 1 /* _session */
            invokevirtual com.jcraft.jsch.Session.getHost:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual java.lang.Thread.setName:(Ljava/lang/String;)V
        13: .line 55
            aload 1 /* _session */
            getfield com.jcraft.jsch.Session.daemon_thread:Z
            ifeq 15
        14: .line 56
            aload 0 /* this */
            getfield com.jcraft.jsch.ChannelExec.thread:Ljava/lang/Thread;
            aload 1 /* _session */
            getfield com.jcraft.jsch.Session.daemon_thread:Z
            invokevirtual java.lang.Thread.setDaemon:(Z)V
        15: .line 58
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield com.jcraft.jsch.ChannelExec.thread:Ljava/lang/Thread;
            invokevirtual java.lang.Thread.start:()V
        16: .line 60
      StackMap locals:
      StackMap stack:
            return
        end local 1 // com.jcraft.jsch.Session _session
        end local 0 // com.jcraft.jsch.ChannelExec this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   17     0      this  Lcom/jcraft/jsch/ChannelExec;
            1   17     1  _session  Lcom/jcraft/jsch/Session;
            3    4     2   request  Lcom/jcraft/jsch/Request;
            6   10     2         e  Ljava/lang/Exception;
      Exception table:
        from    to  target  type
           1     4       5  Class java.lang.Exception
    Exceptions:
      throws com.jcraft.jsch.JSchException

  public void setCommand(java.lang.String);
    descriptor: (Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.jcraft.jsch.ChannelExec this
        start local 1 // java.lang.String command
         0: .line 63
            aload 0 /* this */
            aload 1 /* command */
            invokestatic com.jcraft.jsch.Util.str2byte:(Ljava/lang/String;)[B
            putfield com.jcraft.jsch.ChannelExec.command:[B
         1: .line 64
            return
        end local 1 // java.lang.String command
        end local 0 // com.jcraft.jsch.ChannelExec this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    2     0     this  Lcom/jcraft/jsch/ChannelExec;
            0    2     1  command  Ljava/lang/String;
    MethodParameters:
         Name  Flags
      command  

  public void setCommand(byte[]);
    descriptor: ([B)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.jcraft.jsch.ChannelExec this
        start local 1 // byte[] command
         0: .line 66
            aload 0 /* this */
            aload 1 /* command */
            putfield com.jcraft.jsch.ChannelExec.command:[B
         1: .line 67
            return
        end local 1 // byte[] command
        end local 0 // com.jcraft.jsch.ChannelExec this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    2     0     this  Lcom/jcraft/jsch/ChannelExec;
            0    2     1  command  [B
    MethodParameters:
         Name  Flags
      command  

  void init();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // com.jcraft.jsch.ChannelExec this
         0: .line 70
            aload 0 /* this */
            getfield com.jcraft.jsch.ChannelExec.io:Lcom/jcraft/jsch/IO;
            aload 0 /* this */
            invokevirtual com.jcraft.jsch.ChannelExec.getSession:()Lcom/jcraft/jsch/Session;
            getfield com.jcraft.jsch.Session.in:Ljava/io/InputStream;
            invokevirtual com.jcraft.jsch.IO.setInputStream:(Ljava/io/InputStream;)V
         1: .line 71
            aload 0 /* this */
            getfield com.jcraft.jsch.ChannelExec.io:Lcom/jcraft/jsch/IO;
            aload 0 /* this */
            invokevirtual com.jcraft.jsch.ChannelExec.getSession:()Lcom/jcraft/jsch/Session;
            getfield com.jcraft.jsch.Session.out:Ljava/io/OutputStream;
            invokevirtual com.jcraft.jsch.IO.setOutputStream:(Ljava/io/OutputStream;)V
         2: .line 72
            return
        end local 0 // com.jcraft.jsch.ChannelExec this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lcom/jcraft/jsch/ChannelExec;
    Exceptions:
      throws com.jcraft.jsch.JSchException

  public void setErrStream(java.io.OutputStream);
    descriptor: (Ljava/io/OutputStream;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.jcraft.jsch.ChannelExec this
        start local 1 // java.io.OutputStream out
         0: .line 75
            aload 0 /* this */
            aload 1 /* out */
            invokevirtual com.jcraft.jsch.ChannelExec.setExtOutputStream:(Ljava/io/OutputStream;)V
         1: .line 76
            return
        end local 1 // java.io.OutputStream out
        end local 0 // com.jcraft.jsch.ChannelExec this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/jcraft/jsch/ChannelExec;
            0    2     1   out  Ljava/io/OutputStream;
    MethodParameters:
      Name  Flags
      out   

  public void setErrStream(java.io.OutputStream, boolean);
    descriptor: (Ljava/io/OutputStream;Z)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // com.jcraft.jsch.ChannelExec this
        start local 1 // java.io.OutputStream out
        start local 2 // boolean dontclose
         0: .line 78
            aload 0 /* this */
            aload 1 /* out */
            iload 2 /* dontclose */
            invokevirtual com.jcraft.jsch.ChannelExec.setExtOutputStream:(Ljava/io/OutputStream;Z)V
         1: .line 79
            return
        end local 2 // boolean dontclose
        end local 1 // java.io.OutputStream out
        end local 0 // com.jcraft.jsch.ChannelExec this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    2     0       this  Lcom/jcraft/jsch/ChannelExec;
            0    2     1        out  Ljava/io/OutputStream;
            0    2     2  dontclose  Z
    MethodParameters:
           Name  Flags
      out        
      dontclose  

  public java.io.InputStream getErrStream();
    descriptor: ()Ljava/io/InputStream;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.jcraft.jsch.ChannelExec this
         0: .line 81
            aload 0 /* this */
            invokevirtual com.jcraft.jsch.ChannelExec.getExtInputStream:()Ljava/io/InputStream;
            areturn
        end local 0 // com.jcraft.jsch.ChannelExec this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/jcraft/jsch/ChannelExec;
    Exceptions:
      throws java.io.IOException

  public void setXForwarding(boolean);
    descriptor: (Z)V
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=2, locals=2, args_size=2
         0: .line 1
            aload 0
            iload 1
            invokespecial com.jcraft.jsch.ChannelSession.setXForwarding:(Z)V
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void setAgentForwarding(boolean);
    descriptor: (Z)V
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=2, locals=2, args_size=2
         0: .line 1
            aload 0
            iload 1
            invokespecial com.jcraft.jsch.ChannelSession.setAgentForwarding:(Z)V
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void setTerminalMode(byte[]);
    descriptor: ([B)V
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=2, locals=2, args_size=2
         0: .line 1
            aload 0
            aload 1
            invokespecial com.jcraft.jsch.ChannelSession.setTerminalMode:([B)V
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void setPtySize(int, int, int, int);
    descriptor: (IIII)V
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=5, locals=5, args_size=5
         0: .line 1
            aload 0
            iload 1
            iload 2
            iload 3
            iload 4
            invokespecial com.jcraft.jsch.ChannelSession.setPtySize:(IIII)V
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void setPty(boolean);
    descriptor: (Z)V
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=2, locals=2, args_size=2
         0: .line 1
            aload 0
            iload 1
            invokespecial com.jcraft.jsch.ChannelSession.setPty:(Z)V
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void run();
    descriptor: ()V
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=1, locals=1, args_size=1
         0: .line 1
            aload 0
            invokespecial com.jcraft.jsch.ChannelSession.run:()V
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void setPtyType(java.lang.String, int, int, int, int);
    descriptor: (Ljava/lang/String;IIII)V
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=6, locals=6, args_size=6
         0: .line 1
            aload 0
            aload 1
            iload 2
            iload 3
            iload 4
            iload 5
            invokespecial com.jcraft.jsch.ChannelSession.setPtyType:(Ljava/lang/String;IIII)V
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void setPtyType(java.lang.String);
    descriptor: (Ljava/lang/String;)V
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=2, locals=2, args_size=2
         0: .line 1
            aload 0
            aload 1
            invokespecial com.jcraft.jsch.ChannelSession.setPtyType:(Ljava/lang/String;)V
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void setEnv(byte[], byte[]);
    descriptor: ([B[B)V
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=3, locals=3, args_size=3
         0: .line 1
            aload 0
            aload 1
            aload 2
            invokespecial com.jcraft.jsch.ChannelSession.setEnv:([B[B)V
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void setEnv(java.lang.String, java.lang.String);
    descriptor: (Ljava/lang/String;Ljava/lang/String;)V
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=3, locals=3, args_size=3
         0: .line 1
            aload 0
            aload 1
            aload 2
            invokespecial com.jcraft.jsch.ChannelSession.setEnv:(Ljava/lang/String;Ljava/lang/String;)V
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void setEnv(java.util.Hashtable);
    descriptor: (Ljava/util/Hashtable;)V
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=2, locals=2, args_size=2
         0: .line 1
            aload 0
            aload 1
            invokespecial com.jcraft.jsch.ChannelSession.setEnv:(Ljava/util/Hashtable;)V
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
SourceFile: "ChannelExec.java"