Commons Compress 1.5-redhat-1

org.apache.commons.compress.compressors.pack200
Class Pack200CompressorInputStream

java.lang.Object
  extended by java.io.InputStream
      extended by org.apache.commons.compress.compressors.CompressorInputStream
          extended by org.apache.commons.compress.compressors.pack200.Pack200CompressorInputStream
All Implemented Interfaces:
Closeable

public class Pack200CompressorInputStream
extends CompressorInputStream

An input stream that decompresses from the Pack200 format to be read as any other stream.

The getCount and getBytesRead methods always return 0.

Since:
1.3
This class is not thread-safe

Constructor Summary
Pack200CompressorInputStream(File f)
          Decompresses the given file, caching the decompressed data in memory.
Pack200CompressorInputStream(File f, Map<String,String> props)
          Decompresses the given file, caching the decompressed data in memory and using the given properties.
Pack200CompressorInputStream(File f, Pack200Strategy mode)
          Decompresses the given file using the given strategy to cache the results.
Pack200CompressorInputStream(File f, Pack200Strategy mode, Map<String,String> props)
          Decompresses the given file using the given strategy to cache the results and the given properties.
Pack200CompressorInputStream(InputStream in)
          Decompresses the given stream, caching the decompressed data in memory.
Pack200CompressorInputStream(InputStream in, Map<String,String> props)
          Decompresses the given stream, caching the decompressed data in memory and using the given properties.
Pack200CompressorInputStream(InputStream in, Pack200Strategy mode)
          Decompresses the given stream using the given strategy to cache the results.
Pack200CompressorInputStream(InputStream in, Pack200Strategy mode, Map<String,String> props)
          Decompresses the given stream using the given strategy to cache the results and the given properties.
 
Method Summary
 int available()
          
 void close()
           
 void mark(int limit)
          
 boolean markSupported()
          
static boolean matches(byte[] signature, int length)
          Checks if the signature matches what is expected for a pack200 file (0xCAFED00D).
 int read()
          
 int read(byte[] b)
          
 int read(byte[] b, int off, int count)
          
 void reset()
          
 long skip(long count)
          
 
Methods inherited from class org.apache.commons.compress.compressors.CompressorInputStream
count, count, getBytesRead, getCount
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

Pack200CompressorInputStream

public Pack200CompressorInputStream(InputStream in)
                             throws IOException
Decompresses the given stream, caching the decompressed data in memory.

When reading from a file the File-arg constructor may provide better performance.

Throws:
IOException

Pack200CompressorInputStream

public Pack200CompressorInputStream(InputStream in,
                                    Pack200Strategy mode)
                             throws IOException
Decompresses the given stream using the given strategy to cache the results.

When reading from a file the File-arg constructor may provide better performance.

Throws:
IOException

Pack200CompressorInputStream

public Pack200CompressorInputStream(InputStream in,
                                    Map<String,String> props)
                             throws IOException
Decompresses the given stream, caching the decompressed data in memory and using the given properties.

When reading from a file the File-arg constructor may provide better performance.

Throws:
IOException

Pack200CompressorInputStream

public Pack200CompressorInputStream(InputStream in,
                                    Pack200Strategy mode,
                                    Map<String,String> props)
                             throws IOException
Decompresses the given stream using the given strategy to cache the results and the given properties.

When reading from a file the File-arg constructor may provide better performance.

Throws:
IOException

Pack200CompressorInputStream

public Pack200CompressorInputStream(File f)
                             throws IOException
Decompresses the given file, caching the decompressed data in memory.

Throws:
IOException

Pack200CompressorInputStream

public Pack200CompressorInputStream(File f,
                                    Pack200Strategy mode)
                             throws IOException
Decompresses the given file using the given strategy to cache the results.

Throws:
IOException

Pack200CompressorInputStream

public Pack200CompressorInputStream(File f,
                                    Map<String,String> props)
                             throws IOException
Decompresses the given file, caching the decompressed data in memory and using the given properties.

Throws:
IOException

Pack200CompressorInputStream

public Pack200CompressorInputStream(File f,
                                    Pack200Strategy mode,
                                    Map<String,String> props)
                             throws IOException
Decompresses the given file using the given strategy to cache the results and the given properties.

Throws:
IOException
Method Detail

read

public int read()
         throws IOException

Specified by:
read in class InputStream
Throws:
IOException

read

public int read(byte[] b)
         throws IOException

Overrides:
read in class InputStream
Throws:
IOException

read

public int read(byte[] b,
                int off,
                int count)
         throws IOException

Overrides:
read in class InputStream
Throws:
IOException

available

public int available()
              throws IOException

Overrides:
available in class InputStream
Throws:
IOException

markSupported

public boolean markSupported()

Overrides:
markSupported in class InputStream

mark

public void mark(int limit)

Overrides:
mark in class InputStream

reset

public void reset()
           throws IOException

Overrides:
reset in class InputStream
Throws:
IOException

skip

public long skip(long count)
          throws IOException

Overrides:
skip in class InputStream
Throws:
IOException

close

public void close()
           throws IOException
Specified by:
close in interface Closeable
Overrides:
close in class InputStream
Throws:
IOException

matches

public static boolean matches(byte[] signature,
                              int length)
Checks if the signature matches what is expected for a pack200 file (0xCAFED00D).

Parameters:
signature - the bytes to check
length - the number of bytes to check
Returns:
true, if this stream is a pack200 compressed stream, false otherwise

Commons Compress 1.5-redhat-1

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