java.lang.Object
- org.apache.wicket.util.diff.ToString
- - org.apache.wicket.util.diff.Chunk

```
public class Chunk
extends ToString
```
Holds a information about a part of the text involved in a differencing or patching operation.

Version:

$Id: Chunk.java,v 1.1 2006/03/12 00:24:21 juanca Exp $

Author:

Juanco Anez

See Also:

Diff, Delta

Field Summary

Fields
Modifier and Type Field Description

protected int anchor

protected java.util.List<java.lang.Object> chunk

protected int count

Constructor Summary

Constructors
Constructor	Description
`Chunk(int pos, int count)`	Creates a chunk that doesn't copy the original text.
`Chunk(java.lang.Object[] iseq, int pos, int count)`	Creates a chunk and saves a copy the original chunk's text.
`Chunk(java.lang.Object[] iseq, int pos, int count, int offset)`	Creates a chunk that will be displaced in the resulting text, and saves a copy the original chunk's text.
`Chunk(java.util.List<java.lang.Object> iseq, int pos, int count)`	Creates a chunk and saves a copy the original chunk's text.
`Chunk(java.util.List<java.lang.Object> iseq, int pos, int count, int offset)`	Creates a chunk that will be displaced in the resulting text, and saves a copy the original chunk's text.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`anchor()`	Returns the anchor position of the chunk.
`void`	`applyAdd(int start, java.util.List<java.lang.Object> target)`	Add the text of this chunk to the target at the given position.
`void`	`applyDelete(java.util.List<java.lang.Object> target)`	Delete this chunk from he given text.
`java.util.List<java.lang.Object>`	`chunk()`	Returns the text saved for this chunk.
`int`	`first()`	Returns the index of the first line of the chunk.
`int`	`last()`	Returns the index of the last line of the chunk.
`java.lang.String`	`rangeString()`	Provide a string representation of the numeric range of this chunk.
`void`	`rangeString(java.lang.StringBuilder s)`	Provide a string representation of the numeric range of this chunk.
`void`	`rangeString(java.lang.StringBuilder s, java.lang.String separ)`	Provide a string representation of the numeric range of this chunk.
`int`	`rcsfrom()`	Returns the from index of the chunk in RCS terms.
`int`	`rcsto()`	Returns the to index of the chunk in RCS terms.
`int`	`size()`	Returns the size of the chunk.
`static java.util.List<java.lang.Object>`	`slice(java.lang.Object[] seq, int pos, int count)`	Retrieves a slice from an `Object` array.
`static <T> java.util.List<T>`	`slice(java.util.List<T> seq, int pos, int count)`	Retrieves the specified part from a `List`.
`void`	`toString(java.lang.StringBuilder s)`	Provide a string image of the chunk using the an empty prefix and postfix.
`java.lang.StringBuilder`	`toString(java.lang.StringBuilder s, java.lang.String prefix, java.lang.String postfix)`	Provide a string image of the chunk using the given prefix and postfix.
`boolean`	`verify(java.util.List<java.lang.Object> target)`	Verifies that this chunk's saved text matches the corresponding text in the given sequence.

Methods inherited from class org.apache.wicket.util.diff.ToString
arrayToString, arrayToString, stringToArray, toString

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - anchor
```
protected int anchor
```
  - count
```
protected int count
```
  - chunk
```
protected java.util.List<java.lang.Object> chunk
```
- Constructor Detail
  - Chunk
```
public Chunk(int pos,
             int count)
```
    Creates a chunk that doesn't copy the original text.
    
    Parameters:
    
    pos - the start position in the text.
    
    count - the size of the chunk.
  - Chunk
```
public Chunk(java.lang.Object[] iseq,
             int pos,
             int count)
```
    Creates a chunk and saves a copy the original chunk's text.
    
    Parameters:
    
    iseq - the original text.
    
    pos - the start position in the text.
    
    count - the size of the chunk.
  - Chunk
```
public Chunk(java.lang.Object[] iseq,
             int pos,
             int count,
             int offset)
```
    Creates a chunk that will be displaced in the resulting text, and saves a copy the original chunk's text.
    
    Parameters:
    
    iseq - the original text.
    
    pos - the start position in the text.
    
    count - the size of the chunk.
    
    offset - the position the chunk should have in the resulting text.
  - Chunk
```
public Chunk(java.util.List<java.lang.Object> iseq,
             int pos,
             int count)
```
    Creates a chunk and saves a copy the original chunk's text.
    
    Parameters:
    
    iseq - the original text.
    
    pos - the start position in the text.
    
    count - the size of the chunk.
  - Chunk
```
public Chunk(java.util.List<java.lang.Object> iseq,
             int pos,
             int count,
             int offset)
```
    Creates a chunk that will be displaced in the resulting text, and saves a copy the original chunk's text.
    
    Parameters:
    
    iseq - the original text.
    
    pos - the start position in the text.
    
    count - the size of the chunk.
    
    offset - the position the chunk should have in the resulting text.
- Method Detail
  - anchor
```
public int anchor()
```
    Returns the anchor position of the chunk.
    
    Returns:
    
    the anchor position.
  - size
```
public int size()
```
    Returns the size of the chunk.
    
    Returns:
    
    the size.
  - first
```
public int first()
```
    Returns the index of the first line of the chunk.
    
    Returns:
    
    int
  - last
```
public int last()
```
    Returns the index of the last line of the chunk.
    
    Returns:
    
    int
  - rcsfrom
```
public int rcsfrom()
```
    Returns the from index of the chunk in RCS terms.
    
    Returns:
    
    int
  - rcsto
```
public int rcsto()
```
    Returns the to index of the chunk in RCS terms.
    
    Returns:
    
    int
  - chunk
```
public java.util.List<java.lang.Object> chunk()
```
    Returns the text saved for this chunk.
    
    Returns:
    
    the text.
  - verify
```
public boolean verify(java.util.List<java.lang.Object> target)
```
    Verifies that this chunk's saved text matches the corresponding text in the given sequence.
    
    Parameters:
    
    target - the sequence to verify against.
    
    Returns:
    
    true if the texts match.
  - applyDelete
```
public void applyDelete(java.util.List<java.lang.Object> target)
```
    Delete this chunk from he given text.
    
    Parameters:
    
    target - the text to delete from.
  - applyAdd
```
public void applyAdd(int start,
                     java.util.List<java.lang.Object> target)
```
    Add the text of this chunk to the target at the given position.
    
    Parameters:
    
    start - where to add the text.
    
    target - the text to add to.
  - toString
```
public void toString(java.lang.StringBuilder s)
```
    Provide a string image of the chunk using the an empty prefix and postfix.
    
    Overrides:
    
    toString in class ToString
    
    Parameters:
    
    s -
  - toString
```
public java.lang.StringBuilder toString(java.lang.StringBuilder s,
                                        java.lang.String prefix,
                                        java.lang.String postfix)
```
    Provide a string image of the chunk using the given prefix and postfix.
    
    Parameters:
    
    s - where the string image should be appended.
    
    prefix - the text that should prefix each line.
    
    postfix - the text that should end each line.
    
    Returns:
    
    StringBuilder
  - slice
```
public static <T> java.util.List<T> slice(java.util.List<T> seq,
                                          int pos,
                                          int count)
```
    Retrieves the specified part from a List.
    
    Type Parameters:
    
    T - the type of objects contained in seq
    
    Parameters:
    
    seq - the list to retrieve a slice from.
    
    pos - the start position.
    
    count - the number of items in the slice.
    
    Returns:
    
    a List containing the specified items.
  - slice
```
public static java.util.List<java.lang.Object> slice(java.lang.Object[] seq,
                                                     int pos,
                                                     int count)
```
    Retrieves a slice from an Object array.
    
    Parameters:
    
    seq - the list to retrieve a slice from.
    
    pos - the start position.
    
    count - the number of items in the slice.
    
    Returns:
    
    a List containing the specified items.
  - rangeString
```
public java.lang.String rangeString()
```
    Provide a string representation of the numeric range of this chunk.
    
    Returns:
    
    String
  - rangeString
```
public void rangeString(java.lang.StringBuilder s)
```
    Provide a string representation of the numeric range of this chunk.
    
    Parameters:
    
    s - where the string representation should be appended.
  - rangeString
```
public void rangeString(java.lang.StringBuilder s,
                        java.lang.String separ)
```
    Provide a string representation of the numeric range of this chunk.
    
    Parameters:
    
    s - where the string representation should be appended.
    
    separ - what to use as line separator.

Modifier and Type	Field	Description
`protected int`	`anchor`
`protected java.util.List<java.lang.Object>`	`chunk`
`protected int`	`count`

Class Chunk

Field Summary

Constructor Summary

Method Summary

Methods inherited from class org.apache.wicket.util.diff.ToString

Methods inherited from class java.lang.Object

Field Detail

anchor

count

chunk

Constructor Detail

Chunk

Chunk

Chunk

Chunk

Chunk

Method Detail

anchor

size

first

last

rcsfrom

rcsto

chunk

verify

applyDelete

applyAdd

toString

toString

slice

slice

rangeString

rangeString

rangeString