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## org.apache.tools.ant.taskdefs
Class Untar.UntarCompressionMethod

    java.lang.Object
      org.apache.tools.ant.types.EnumeratedAttribute
          org.apache.tools.ant.taskdefs.Untar.UntarCompressionMethod

Enclosing class:
  Untar

    public static final class Untar.UntarCompressionMethod

extends EnumeratedAttribute

Valid Modes for Compression attribute to Untar Task

Field Summary

Fields inherited from class org.apache.tools.ant.types.EnumeratedAttribute
`value`

Constructor Summary
`Untar.UntarCompressionMethod()` Constructor

Method Summary
`java.io.InputStream` | `decompress(java.lang.String name, java.io.InputStream istream)` This method wraps the input stream with the corresponding decompression method
`java.lang.String[]` | `getValues()` Get valid enumeration values

Methods inherited from class org.apache.tools.ant.types.EnumeratedAttribute
`containsValue, getIndex, getInstance, getValue, indexOfValue, setValue, toString`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Constructor Detail

### Untar.UntarCompressionMethod

    public Untar.UntarCompressionMethod()

  Constructor

Method Detail

### getValues

    public java.lang.String[] getValues()

  Get valid enumeration values

  Specified by:
    `getValues` in class `EnumeratedAttribute`
  Returns:
    valid values

### decompress

    public java.io.InputStream decompress(java.lang.String name,
                                          java.io.InputStream istream)
                                   throws java.io.IOException,
                                          BuildException

  This method wraps the input stream with the corresponding decompression method

  Parameters:
    `name` - provides location information for BuildException
    `istream` - input stream
  Returns:
    input stream with on-the-fly decompression
  Throws:
    `java.io.IOException` - thrown by GZIPInputStream constructor
    `BuildException` - thrown if bzip stream does not start with expected magic values

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