com.facebook.buck.util

Class ByteBufferReplacer

java.lang.Object

com.facebook.buck.util.ByteBufferReplacer

public class ByteBufferReplacer
extends Object

Performs an in-place find-and-replace on ByteBuffer objects, where the replacements are of equal length to what they're replacing.

Constructor Summary

Constructors

Constructor and Description
ByteBufferReplacer(com.google.common.collect.ImmutableMap<byte[],byte[]> replacements)

Method Summary

Modifier and Type	Method and Description
static ByteBufferReplacer	fromPaths(com.google.common.collect.ImmutableMap<Path,Path> paths, char separator, Charset charset) Build a replacer using the given map of paths to replacement paths, using charset to convert to underlying byte arrays.
int	replace(ByteBuffer buffer)
int	replace(ByteBuffer buffer, int maxReplacements) Perform an in-place replacement pass over the given buffer (bounded by Buffer.position and Buffer.limit).

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ByteBufferReplacer

public ByteBufferReplacer(com.google.common.collect.ImmutableMap<byte[],byte[]> replacements)

Method Detail

fromPaths

public static ByteBufferReplacer fromPaths(com.google.common.collect.ImmutableMap<Path,Path> paths,
                                           char separator,
                                           Charset charset)

Build a replacer using the given map of paths to replacement paths, using charset to convert to underlying byte arrays. If the replacement paths are not long enough, use the given path separator to fill.

replace

public int replace(ByteBuffer buffer,
                   int maxReplacements)

Perform an in-place replacement pass over the given buffer (bounded by Buffer.position and Buffer.limit).

Parameters:

buffer - the buffer on which to perform replacements.

maxReplacements - the maximum number of replacements to perform (-1 means unlimited).

Returns:

the number of replacements that happened.

replace

public int replace(ByteBuffer buffer)