com.redhat.rhn.common.filediff

Class Differ

java.lang.Object

com.redhat.rhn.common.filediff.Differ

public class Differ
extends java.lang.Object

Java file diff using Eugene W. Myers's algorithm as described in "An O(ND) Difference Algorithm and Its Variations".

Constructor Summary

Constructors

Constructor and Description
Differ(int oldLength, int newLength)

Method Summary

Modifier and Type	Method and Description
java.util.List<Hunk>	diff(java.lang.String[] oldFile, java.lang.String[] newFile)

Methods inherited from class java.lang.Object

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

Constructor Detail

Differ

public Differ(int oldLength,
              int newLength)

Parameters:

oldLength - The length of the old file

newLength - The length of the new file

Method Detail

diff

public java.util.List<Hunk> diff(java.lang.String[] oldFile,
                                 java.lang.String[] newFile)

Parameters:

oldFile - The old(first, from) file

newFile - The new(second, to) file

Returns:

A list of Hunks representing the differences.