java.lang.Object
org.codehaus.groovy.tools.shell.IO
All Implemented Interfaces:
java.io.Closeable, java.lang.AutoCloseable

public class IO
extends java.lang.Object
implements java.io.Closeable
Container for input/output handles.
  • Nested Class Summary

    Nested Classes
    Modifier and Type Class Description
    static class  IO.Verbosity
    Verbosity for simple logging: QUIET, INFO, VERBOSE, DEBUG
  • Field Summary

    Fields
    Modifier and Type Field Description
    boolean ansiSupported
    Whether ansi support is available
    java.io.PrintWriter err
    Preferred error output writer.
    java.io.OutputStream errorStream
    Raw error output stream.
    java.io.Reader in
    Preferred input reader.
    java.io.InputStream inputStream
    Raw input stream.
    java.io.PrintWriter out
    Preferred output writer.
    java.io.OutputStream outputStream
    Raw output stream.
  • Constructor Summary

    Constructors
    Constructor Description
    IO()
    Construct a new IO container using system streams.
    IO​(java.io.InputStream inputStream, java.io.OutputStream outputStream, java.io.OutputStream errorStream)
    Construct a new IO container.
  • Method Summary

    Modifier and Type Method Description
    void close()
    Close all streams.
    void flush()
    Flush both output streams.
    IO.Verbosity getVerbosity()
    Returns the verbosity level.
    boolean isDebug()
    Check if the verbosity level is set to IO.Verbosity.DEBUG.
    boolean isInfo()
    Check if the verbosity level is set to IO.Verbosity.INFO.
    boolean isQuiet()
    Check if the verbosity level is set to IO.Verbosity.QUIET.
    boolean isVerbose()
    Check if the verbosity level is set to IO.Verbosity.VERBOSE.
    void setVerbosity​(IO.Verbosity verbosity)
    Set the verbosity level.
    protected java.io.PrintWriter tryConstructRenderWriter​(java.io.OutputStream stream)  

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
  • Field Details

    • inputStream

      public final java.io.InputStream inputStream
      Raw input stream.
    • outputStream

      public final java.io.OutputStream outputStream
      Raw output stream.
    • errorStream

      public final java.io.OutputStream errorStream
      Raw error output stream.
    • in

      public final java.io.Reader in
      Preferred input reader.
    • out

      public final java.io.PrintWriter out
      Preferred output writer.
    • err

      public final java.io.PrintWriter err
      Preferred error output writer.
    • ansiSupported

      public final boolean ansiSupported
      Whether ansi support is available
  • Constructor Details

    • IO

      public IO​(java.io.InputStream inputStream, java.io.OutputStream outputStream, java.io.OutputStream errorStream)
      Construct a new IO container.
    • IO

      public IO()
      Construct a new IO container using system streams.
  • Method Details

    • tryConstructRenderWriter

      protected java.io.PrintWriter tryConstructRenderWriter​(java.io.OutputStream stream)
    • setVerbosity

      public void setVerbosity​(IO.Verbosity verbosity)
      Set the verbosity level.
    • getVerbosity

      public IO.Verbosity getVerbosity()
      Returns the verbosity level.
    • isQuiet

      public boolean isQuiet()
      Check if the verbosity level is set to IO.Verbosity.QUIET.
    • isInfo

      public boolean isInfo()
      Check if the verbosity level is set to IO.Verbosity.INFO.
    • isVerbose

      public boolean isVerbose()
      Check if the verbosity level is set to IO.Verbosity.VERBOSE.
    • isDebug

      public boolean isDebug()
      Check if the verbosity level is set to IO.Verbosity.DEBUG.

      For general usage, when debug output is required, it is better to use the logging facility instead.

    • flush

      public void flush()
      Flush both output streams.
    • close

      public void close() throws java.io.IOException
      Close all streams.
      Specified by:
      close in interface java.lang.AutoCloseable
      Specified by:
      close in interface java.io.Closeable
      Throws:
      java.io.IOException