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org.apache.poi.util
Class ReplacingInputStream

java.lang.Object
  extended by java.io.InputStream
      extended by java.io.FilterInputStream
          extended by org.apache.poi.util.ReplacingInputStream
All Implemented Interfaces:
java.io.Closeable
@Internal
public class ReplacingInputStream
extends java.io.FilterInputStream

Simple FilterInputStream that can replace occurrences of bytes with something else. This has been taken from inbot-utils. (MIT licensed)

See Also:
inbot-utils

Field Summary
 
Fields inherited from class java.io.FilterInputStream
in
 
Constructor Summary
ReplacingInputStream(java.io.InputStream in, byte[] pattern, byte[] replacement)
          Replace occurrences of pattern in the input.
ReplacingInputStream(java.io.InputStream in, java.lang.String pattern, java.lang.String replacement)
          Replace occurrences of pattern in the input.
 
Method Summary
 int read()
           
 int read(byte[] b)
           
 int read(byte[] b, int off, int len)
           
 java.lang.String toString()
           
 
Methods inherited from class java.io.FilterInputStream
available, close, mark, markSupported, reset, skip
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

ReplacingInputStream

public ReplacingInputStream(java.io.InputStream in,
                            java.lang.String pattern,
                            java.lang.String replacement)
Replace occurrences of pattern in the input. Note: input is assumed to be UTF-8 encoded. If not the case use byte[] based pattern and replacement.

Parameters:
in - input
pattern - pattern to replace.
replacement - the replacement or null

ReplacingInputStream

public ReplacingInputStream(java.io.InputStream in,
                            byte[] pattern,
                            byte[] replacement)
Replace occurrences of pattern in the input.

If you want to normalize line endings DOS/MAC (\n\r | \r) to UNIX (\n), you can call the following:
new ReplacingInputStream(new ReplacingInputStream(is, "\n\r", "\n"), "\r", "\n")

Parameters:
in - input
pattern - pattern to replace
replacement - the replacement or null
Method Detail

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

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

toString

public java.lang.String toString()
Overrides:
toString in class java.lang.Object
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