Class ExecInputStream

  • All Implemented Interfaces:
    java.io.Closeable, java.lang.AutoCloseable

    public class ExecInputStream
    extends java.io.FilterInputStream
    Class to pipe an InputStream through a command using stdin/stdout. E.g.
        Reader r = new InputStreamReader(new ExecInputStream(new FileInputStream("file"), "command"));
     
    • Field Summary

      • Fields inherited from class java.io.FilterInputStream

        in
    • Constructor Summary

      Constructors 
      Constructor Description
      ExecInputStream​(java.io.InputStream is, java.lang.Process p)
      Create a new ExecInputStream on the given InputStream using the process to filter the stream.
      ExecInputStream​(java.io.InputStream is, java.lang.String cmd)
      Create a new ExecInputStream on the given InputStream using the process to filter the stream.
      ExecInputStream​(java.io.InputStream is, java.lang.String[] cmd)
      Create a new ExecInputStream on the given InputStream using the process to filter the stream.
      ExecInputStream​(java.io.InputStream is, java.lang.String[] cmd, java.lang.String[] env)
      Create a new ExecInputStream on the given InputStream using the process to filter the stream.
      ExecInputStream​(java.io.InputStream is, java.lang.String cmd, java.lang.String[] env)
      Create a new ExecInputStream on the given InputStream using the process to filter the stream.
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      int available()  
      void close()  
      void finalize()  
      void flush()  
      void mark​(int readlimit)  
      boolean markSupported()  
      int read()  
      int read​(byte[] b)  
      int read​(byte[] b, int off, int len)  
      void reset()  
      long skip​(long n)  
      • Methods inherited from class java.io.InputStream

        nullInputStream, readAllBytes, readNBytes, readNBytes, transferTo
      • Methods inherited from class java.lang.Object

        clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Constructor Detail

      • ExecInputStream

        public ExecInputStream​(java.io.InputStream is,
                               java.lang.Process p)
                        throws java.io.IOException
        Create a new ExecInputStream on the given InputStream using the process to filter the stream.
        Parameters:
        is - Reads from this InputStream
        p - Filters data through stdin/out on this Process
        Throws:
        java.io.IOException
      • ExecInputStream

        public ExecInputStream​(java.io.InputStream is,
                               java.lang.String cmd)
                        throws java.io.IOException
        Create a new ExecInputStream on the given InputStream using the process to filter the stream.
        Parameters:
        is - Reads from this InputStream
        cmd - Creates a Process from this string to filter data through stdin/out
        Throws:
        java.io.IOException
      • ExecInputStream

        public ExecInputStream​(java.io.InputStream is,
                               java.lang.String[] cmd)
                        throws java.io.IOException
        Create a new ExecInputStream on the given InputStream using the process to filter the stream.
        Parameters:
        is - Reads from this InputStream
        cmd - Creates a Process from this string array (command, arg, ...) to filter data through stdin/out
        Throws:
        java.io.IOException
      • ExecInputStream

        public ExecInputStream​(java.io.InputStream is,
                               java.lang.String cmd,
                               java.lang.String[] env)
                        throws java.io.IOException
        Create a new ExecInputStream on the given InputStream using the process to filter the stream.
        Parameters:
        is - Reads from this InputStream
        cmd - Creates a Process from this string to filter data through stdin/out
        env - Setup the environment for the command
        Throws:
        java.io.IOException
      • ExecInputStream

        public ExecInputStream​(java.io.InputStream is,
                               java.lang.String[] cmd,
                               java.lang.String[] env)
                        throws java.io.IOException
        Create a new ExecInputStream on the given InputStream using the process to filter the stream.
        Parameters:
        is - Reads from this InputStream
        cmd - Creates a Process from this string array (command, arg, ...) to filter data through stdin/out
        env - Setup the environment for the command
        Throws:
        java.io.IOException
    • Method Detail

      • close

        public void close()
                   throws java.io.IOException
        Specified by:
        close in interface java.lang.AutoCloseable
        Specified by:
        close in interface java.io.Closeable
        Overrides:
        close in class java.io.FilterInputStream
        Throws:
        java.io.IOException
      • flush

        public void flush()
                   throws java.io.IOException
        Throws:
        java.io.IOException
      • available

        public int available()
                      throws java.io.IOException
        Overrides:
        available in class java.io.FilterInputStream
        Throws:
        java.io.IOException
      • read

        public int read()
                 throws java.io.IOException
        Overrides:
        read in class java.io.FilterInputStream
        Throws:
        java.io.IOException
      • read

        public int read​(byte[] b)
                 throws java.io.IOException
        Overrides:
        read in class java.io.FilterInputStream
        Throws:
        java.io.IOException
      • read

        public int read​(byte[] b,
                        int off,
                        int len)
                 throws java.io.IOException
        Overrides:
        read in class java.io.FilterInputStream
        Throws:
        java.io.IOException
      • skip

        public long skip​(long n)
                  throws java.io.IOException
        Overrides:
        skip in class java.io.FilterInputStream
        Throws:
        java.io.IOException
      • mark

        public void mark​(int readlimit)
        Overrides:
        mark in class java.io.FilterInputStream
      • markSupported

        public boolean markSupported()
        Overrides:
        markSupported in class java.io.FilterInputStream
      • reset

        public void reset()
        Overrides:
        reset in class java.io.FilterInputStream
      • finalize

        public void finalize()
        Overrides:
        finalize in class java.lang.Object