org.peaseplate.internal.chunk
Class AbstractIfBlock

java.lang.Object
  org.peaseplate.chunk.AbstractChunk
      org.peaseplate.chunk.AbstractBlock
          org.peaseplate.internal.chunk.AbstractIfBlock

All Implemented Interfaces:

BlockHead, Chunk, ExpandableBlock

Direct Known Subclasses:

ElseIfBlock, IfBlock

public abstract class AbstractIfBlock
extends AbstractBlock
implements ExpandableBlock

Constructor Summary

AbstractIfBlock(TemplateLocator locator, int line, int column, ICommand command)

Method Summary

void	addExpansion(BlockExpansion chunk) Add the specified chunk as expansion to this block.
ICommand	getCommand()
boolean	isEssential() Returns true if the chunk is essential, false otherwise.
boolean	isVisible() Returns true if the chunk is visible, false otherwise.
void	render(BuildContext context, java.io.Writer writer) Renders the chunk to the specified writer using the specified template context.
java.lang.String	toString() Returns a meaningful representation of this chunk

Methods inherited from class org.peaseplate.chunk.AbstractBlock

getBlock, renderBlock, setBlock

Methods inherited from class org.peaseplate.chunk.AbstractChunk

getColumn, getLine, getLocator

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.peaseplate.chunk.BlockHead

getBlock, renderBlock, setBlock

Methods inherited from interface org.peaseplate.chunk.Chunk

getColumn, getLine, getLocator

Constructor Detail

AbstractIfBlock

public AbstractIfBlock(TemplateLocator locator,
                       int line,
                       int column,
                       ICommand command)

Method Detail

getCommand

public ICommand getCommand()

addExpansion

public void addExpansion(BlockExpansion chunk)
                  throws TemplateException

Description copied from interface: ExpandableBlock

Add the specified chunk as expansion to this block.

Specified by:

addExpansion in interface ExpandableBlock

Parameters:

chunk - the chunk

Throws:

TemplateException - if the block does not like the specified chunk

See Also:

ExpandableBlock.addExpansion(org.peaseplate.chunk.BlockExpansion)

isVisible

public boolean isVisible()

Description copied from interface: Chunk

Returns true if the chunk is visible, false otherwise. A content chunk with only white spaces in it, is by definition not visible and not essential. It only gets essential if it's the only thing in the line.

Specified by:

isVisible in interface Chunk

Returns:

true if visible, false otherwise

See Also:

Chunk.isVisible()

isEssential

public boolean isEssential()

Description copied from interface: Chunk

Returns true if the chunk is essential, false otherwise. A code chunk is by default essential, a content chunk not if it contains just spaces.

Specified by:

isEssential in interface Chunk

Returns:

true if essential, false otherwise

See Also:

Chunk.isEssential()

render

public void render(BuildContext context,
                   java.io.Writer writer)
            throws TemplateException,
                   java.io.IOException

Description copied from interface: Chunk

Renders the chunk to the specified writer using the specified template context.

Specified by:

render in interface Chunk

Parameters:

context - the context

writer - the writer

Throws:

TemplateException - on occasion

java.io.IOException - on occasion

See Also:

Chunk.render(BuildContext, java.io.Writer)

toString

public java.lang.String toString()

Description copied from interface: Chunk

Returns a meaningful representation of this chunk

Specified by:

toString in interface Chunk

Overrides:

toString in class AbstractBlock

Returns:

a meaningful representation of this chunk

See Also:

Object.toString()