de.spieleck.app.jacson.filter
Class PadFilter

java.lang.Object
  de.spieleck.app.jacson.PluginBase
      de.spieleck.app.jacson.filter.FilterBase
          de.spieleck.app.jacson.filter.PadFilter

All Implemented Interfaces:

ConfigVerify.Acceptor, JacsonChunkDrain, JacsonFilter, JacsonRegistrable, JacsonReporting, JacsonStately

public class PadFilter

extends FilterBase

implements ConfigVerify.Acceptor

Filter to pad a chunk. That is the chunk gets a prefix and postfix attached.

Author:

fsn, brenck (Dirk.Brenckmann -at- gmx.de)

Field Summary

static java.lang.String	EVAL_INITTIME
static java.lang.String	EVAL_RUNTIME log4j logger - debugging is lame :-)
protected boolean	lazyPostEval Evaluationtype info of postfix
protected boolean	lazyPreEval Evaluationtype info of prefix
protected java.lang.String	post Argument or value used as padding postfix
static java.lang.String	POST_EVAL
static java.lang.String	POST_NODE
protected java.lang.String	pre Argument or value used as padding prefix
static java.lang.String	PRE_EVAL
static java.lang.String	PRE_NODE
static java.lang.String	USEONNULL_NODE
protected boolean	useOnNullChunks Is the filter to be used on "null"-chunks?

Fields inherited from class de.spieleck.app.jacson.filter.FilterBase

drain

Constructor Summary

PadFilter()
Default constructor.

Method Summary

boolean	accept(ConfigNode node) Overwritten accept method.
void	init(ConfigNode config, JacsonRegistry registry) Overwritten init method.
protected static boolean	obtainLazyness(ConfigNode config, java.lang.String name)
protected static java.lang.String	obtainXFix(ConfigNode config, java.lang.String name, boolean lazy)
void	putChunk(java.lang.String chunk) Overwritten putChunk method.
protected java.lang.String	tryExpand(java.lang.String val, boolean lazy)
static java.lang.String	tryExpand(java.lang.String val, boolean lazy, JacsonState st)

Methods inherited from class de.spieleck.app.jacson.filter.FilterBase

setDrain

Methods inherited from class de.spieleck.app.jacson.PluginBase

getRegReport, getRegState, registerReport, registerState, summary

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.spieleck.app.jacson.JacsonStately

registerState

Methods inherited from interface de.spieleck.app.jacson.JacsonReporting

registerReport, summary

Field Detail

EVAL_RUNTIME

public static final java.lang.String EVAL_RUNTIME

log4j logger - debugging is lame :-)

See Also:

Constant Field Values

EVAL_INITTIME

public static final java.lang.String EVAL_INITTIME

See Also:

Constant Field Values

PRE_EVAL

public static final java.lang.String PRE_EVAL

See Also:

Constant Field Values

POST_EVAL

public static final java.lang.String POST_EVAL

See Also:

Constant Field Values

PRE_NODE

public static final java.lang.String PRE_NODE

See Also:

Constant Field Values

POST_NODE

public static final java.lang.String POST_NODE

See Also:

Constant Field Values

USEONNULL_NODE

public static final java.lang.String USEONNULL_NODE

See Also:

Constant Field Values

useOnNullChunks

protected boolean useOnNullChunks

Is the filter to be used on "null"-chunks?

pre

protected java.lang.String pre

Argument or value used as padding prefix

post

protected java.lang.String post

Argument or value used as padding postfix

lazyPreEval

protected boolean lazyPreEval

Evaluationtype info of prefix

lazyPostEval

protected boolean lazyPostEval

Evaluationtype info of postfix

Constructor Detail

PadFilter

public PadFilter()

Default constructor. Ensure it's existence.

Method Detail

init

public void init(ConfigNode config,
                 JacsonRegistry registry)
          throws JacsonConfigException

Overwritten init method. Called first and only once in initialization process.

Specified by:

init in interface JacsonRegistrable

Throws:

JacsonConfigException

obtainLazyness

protected static boolean obtainLazyness(ConfigNode config,
                                        java.lang.String name)

obtainXFix

protected static java.lang.String obtainXFix(ConfigNode config,
                                             java.lang.String name,
                                             boolean lazy)

accept

public boolean accept(ConfigNode node)

Overwritten accept method. Called only once and after the call to init. (You can skip this by removing ConfigUtil.verify() from init())

Specified by:

accept in interface ConfigVerify.Acceptor

putChunk

public void putChunk(java.lang.String chunk)
              throws JacsonException

Overwritten putChunk method. Called whenever data is to be filtered. This method MODIFIES the incoming passes the

Specified by:

putChunk in interface JacsonChunkDrain

Throws:

JacsonException

tryExpand

protected java.lang.String tryExpand(java.lang.String val,
                                     boolean lazy)

tryExpand

public static java.lang.String tryExpand(java.lang.String val,
                                         boolean lazy,
                                         JacsonState st)