com.liferay.util.diff
Class DiffUtil

java.lang.Object
  com.liferay.util.diff.DiffUtil

Deprecated. This class has been repackaged at com.liferay.portal.kernel.util.

public class DiffUtil
extends Object

This class can compare two different versions of a text. Source refers to the earliest version of the text and target refers to a modified version of source. Changes are considered either as a removal from the source or as an addition to the target. This class detects changes to an entire line and also detects changes within lines, such as, removal or addition of characters. Take a look at DiffTest to see the expected inputs and outputs.

Field Summary

static String	CLOSE_DEL Deprecated.
static String	CLOSE_INS Deprecated.
static String	CONTEXT_LINE Deprecated.
static String	OPEN_DEL Deprecated.
static String	OPEN_INS Deprecated.

Constructor Summary

DiffUtil()
Deprecated.

Method Summary

static List<DiffResult>[]	diff(Reader source, Reader target) Deprecated. This is a diff method with default values.
static List<DiffResult>[]	diff(Reader source, Reader target, String addedMarkerStart, String addedMarkerEnd, String deletedMarkerStart, String deletedMarkerEnd, int margin) Deprecated. The main entrance of this class.

Methods inherited from class java.lang.Object

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

Field Detail

OPEN_INS

public static final String OPEN_INS

Deprecated.

See Also:

Constant Field Values

CLOSE_INS

public static final String CLOSE_INS

Deprecated.

See Also:

Constant Field Values

OPEN_DEL

public static final String OPEN_DEL

Deprecated.

See Also:

Constant Field Values

CLOSE_DEL

public static final String CLOSE_DEL

Deprecated.

See Also:

Constant Field Values

CONTEXT_LINE

public static final String CONTEXT_LINE

Deprecated.

See Also:

Constant Field Values

Constructor Detail

DiffUtil

public DiffUtil()

Deprecated.

Method Detail

diff

public static List<DiffResult>[] diff(Reader source,
                                      Reader target)

Deprecated.

This is a diff method with default values.

Returns:

an array containing two lists of DiffResults, the first element contains DiffResults related to changes in source and the second element to changes in target

diff

public static List<DiffResult>[] diff(Reader source,
                                      Reader target,
                                      String addedMarkerStart,
                                      String addedMarkerEnd,
                                      String deletedMarkerStart,
                                      String deletedMarkerEnd,
                                      int margin)

Deprecated.

The main entrance of this class. This method will compare the two texts, highlight the changes by enclosing them with markers and return a list of DiffResults.

Returns:

an array containing two lists of DiffResults, the first element contains DiffResults related to changes in source and the second element to changes in target