Package groovy.text.markup

Class DelegatingIndentWriter

java.lang.Object

java.io.Writer

groovy.text.markup.DelegatingIndentWriter

All Implemented Interfaces:

Closeable, Flushable, Appendable, AutoCloseable

public class DelegatingIndentWriter
extends Writer

A writer which delegates to another writer and supports an additional indenting level.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	SPACES	Four-space indentation unit.
static final String	TAB	Tab indentation unit.

Fields inherited from class java.io.Writer

lock

Constructor Summary

Constructors

Constructor	Description
DelegatingIndentWriter(Writer delegate)	Creates an indenting writer that uses SPACES for each indentation level.
DelegatingIndentWriter(Writer delegate, String indentString)	Creates an indenting writer that delegates output to another writer.

Method Summary

Modifier and Type	Method	Description
Writer	append(char c)
Writer	append(CharSequence csq)
Writer	append(CharSequence csq, int start, int end)
void	close()
void	flush()
int	next()	Increases the current indentation level.
int	previous()	Decreases the current indentation level.
void	write(char[] cbuf)
void	write(char[] cbuf, int off, int len)
void	write(int c)
void	write(String str)
void	write(String str, int off, int len)
void	writeIndent()	Writes the current indentation prefix to the delegate writer.

Methods inherited from class java.io.Writer

nullWriter

Methods inherited from class java.lang.Object

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

Field Details

SPACES

public static final String SPACES

Four-space indentation unit.

See Also:

• Constant Field Values

TAB

public static final String TAB

Tab indentation unit.

See Also:

• Constant Field Values

Constructor Details

DelegatingIndentWriter

public DelegatingIndentWriter(Writer delegate)

Creates an indenting writer that uses SPACES for each indentation level.

Parameters:

delegate - writer that receives the rendered output

DelegatingIndentWriter

public DelegatingIndentWriter(Writer delegate,
 String indentString)

Creates an indenting writer that delegates output to another writer.

Parameters:

delegate - writer that receives the rendered output

indentString - indentation unit written for each nesting level

Method Details

write

public void write(int c)
           throws IOException

Overrides:

write in class Writer

Throws:

IOException

write

public void write(char[] cbuf)
           throws IOException

Overrides:

write in class Writer

Throws:

IOException

write

public void write(char[] cbuf,
 int off,
 int len)
           throws IOException

Specified by:

write in class Writer

Throws:

IOException

write

public void write(String str)
           throws IOException

Overrides:

write in class Writer

Throws:

IOException

write

public void write(String str,
 int off,
 int len)
           throws IOException

Overrides:

write in class Writer

Throws:

IOException

append

public Writer append(CharSequence csq)
              throws IOException

Specified by:

append in interface Appendable

Overrides:

append in class Writer

Throws:

IOException

append

public Writer append(CharSequence csq,
 int start,
 int end)
              throws IOException

Specified by:

append in interface Appendable

Overrides:

append in class Writer

Throws:

IOException

append

public Writer append(char c)
              throws IOException

Specified by:

append in interface Appendable

Overrides:

append in class Writer

Throws:

IOException

flush

public void flush()
           throws IOException

Specified by:

flush in interface Flushable

Specified by:

flush in class Writer

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in class Writer

Throws:

IOException

next

public int next()

Increases the current indentation level.

Returns:

the new indentation level

previous

public int previous()

Decreases the current indentation level.

Returns:

the new indentation level

writeIndent

public void writeIndent()
                 throws IOException

Writes the current indentation prefix to the delegate writer.

Throws:

IOException - if writing the indentation fails