org.jomc.util

Class LineEditor

java.lang.Object

org.jomc.util.LineEditor

Direct Known Subclasses:

SectionEditor, TrailingWhitespaceEditor

public class LineEditor
extends Object

Interface to line based editing.

Version:

$JOMC: LineEditor.java 5091 2016-04-04 15:40:17Z schulte $

Author:

Christian Schulte

See Also:

edit(java.lang.String)

Constructor Summary

Constructors

Constructor and Description
LineEditor() Creates a new LineEditor instance.
LineEditor(LineEditor editor) Creates a new LineEditor instance taking an editor to chain.
LineEditor(LineEditor editor, String lineSeparator) Creates a new LineEditor instance taking an editor to chain and a string to use for separating lines.
LineEditor(String lineSeparator) Creates a new LineEditor instance taking a string to use for separating lines.

Method Summary

Methods

Modifier and Type	Method and Description
String	edit(String text) Edits text.
protected String	editLine(String line) Edits a line.
long	getLineNumber() Gets the current line number.
String	getLineSeparator() Gets the line separator of the editor.

Methods inherited from class java.lang.Object

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

Constructor Detail

LineEditor

public LineEditor()

Creates a new LineEditor instance.

LineEditor

public LineEditor(String lineSeparator)

Creates a new LineEditor instance taking a string to use for separating lines.

Parameters:

lineSeparator - String to use for separating lines.

LineEditor

public LineEditor(LineEditor editor)

Creates a new LineEditor instance taking an editor to chain.

Parameters:

editor - The editor to chain.

LineEditor

public LineEditor(LineEditor editor,
          String lineSeparator)

Creates a new LineEditor instance taking an editor to chain and a string to use for separating lines.

Parameters:

editor - The editor to chain.

lineSeparator - String to use for separating lines.

Method Detail

getLineSeparator

public final String getLineSeparator()

Gets the line separator of the editor.

Returns:

The line separator of the editor.

getLineNumber

public final long getLineNumber()

Gets the current line number.

Returns:

The current line number.

Since:

1.2

edit

public final String edit(String text)
                  throws IOException

Edits text.

This method splits the given string into lines and passes every line to method editLine in order of occurrence. On end of input, method editLine is called with a null argument.

Parameters:

text - The text to edit or null.

Returns:

The edited text or null.

Throws:

IOException - if editing fails.

editLine

protected String editLine(String line)
                   throws IOException

Edits a line.

Parameters:

line - The line to edit or null, indicating the end of input.

Returns:

The string to replace line with or null, to replace line with nothing.

Throws:

IOException - if editing fails.