net.sf.jelly.apt.strategies
Class TemplateStrategyControl<B extends TemplateBlock>

java.lang.Object
  net.sf.jelly.apt.strategies.TemplateStrategyControl<B>

All Implemented Interfaces:

TemplateStrategy<B>

Direct Known Subclasses:

TemplateBlockStrategy, TemplateValueStrategy

public abstract class TemplateStrategyControl<B extends TemplateBlock>
extends java.lang.Object
implements TemplateStrategy<B>

Base strategy class that goes through a specific control process when invoked.

Author:

Ryan Heaton

Constructor Summary

TemplateStrategyControl()

Method Summary

void	invoke(B block, TemplateOutput<B> output, TemplateModel model) Invoke the strategy using the control process.
abstract void	postProcess(B block, TemplateOutput<B> output, TemplateModel model) Post-process the strategy.
abstract boolean	preProcess(B block, TemplateOutput<B> output, TemplateModel model) Pre-process the strategy.
abstract boolean	processBody(B block, TemplateOutput<B> output, TemplateModel model) Process the body of the block.

Methods inherited from class java.lang.Object

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

Constructor Detail

TemplateStrategyControl

public TemplateStrategyControl()

Method Detail

preProcess

public abstract boolean preProcess(B block,
                                   TemplateOutput<B> output,
                                   TemplateModel model)
                            throws java.io.IOException,
                                   TemplateException

Pre-process the strategy.

Returns:

Whether or not evaluation of the body is necessary.

Throws:

java.io.IOException

TemplateException

processBody

public abstract boolean processBody(B block,
                                    TemplateOutput<B> output,
                                    TemplateModel model)
                             throws java.io.IOException,
                                    TemplateException

Process the body of the block.

Parameters:

block - The block.

output - The output.

model - The model.

Returns:

Whether the body should be evaluated again.

Throws:

java.io.IOException

TemplateException

postProcess

public abstract void postProcess(B block,
                                 TemplateOutput<B> output,
                                 TemplateModel model)
                          throws java.io.IOException,
                                 TemplateException

Post-process the strategy.

Parameters:

block - The block.

output - The output.

model - The model.

Throws:

java.io.IOException

TemplateException

invoke

public void invoke(B block,
                   TemplateOutput<B> output,
                   TemplateModel model)
            throws java.io.IOException,
                   TemplateException

Invoke the strategy using the control process.

Specified by:

invoke in interface TemplateStrategy<B extends TemplateBlock>

Parameters:

block - The block.

output - The output.

model - The model.

Throws:

java.io.IOException

TemplateException