gnu.lists
Class FilterConsumer

java.lang.Object
  gnu.lists.FilterConsumer

All Implemented Interfaces:

Consumer, java.lang.Appendable

Direct Known Subclasses:

HttpPrinter, NamedChildrenFilter, OrderedTuples, RelativeStepFilter, VoidConsumer

public class FilterConsumer
extends java.lang.Object
implements Consumer

A Consumer that wraps some other Consumer.

Field Summary

protected java.lang.Object	attributeType The 'attribute type' from the most recent startAttribute.
protected Consumer	base
protected boolean	inAttribute We seen a startAttribute but not the closing endAttribute.
protected boolean	skipping

Constructor Summary

FilterConsumer(Consumer base)

Method Summary

Consumer	append(char c)
Consumer	append(java.lang.CharSequence csq)
Consumer	append(java.lang.CharSequence csq, int start, int end)
protected void	beforeContent()
void	endAttribute() End of an attribute or end of an actual parameter.
void	endDocument()
void	endElement()
boolean	ignoring() True if consumer is ignoring rest of element.
void	startAttribute(java.lang.Object attrType) Write a attribute for the current element.
void	startDocument()
void	startElement(java.lang.Object type)
void	write(char[] buf, int off, int len)
void	write(java.lang.CharSequence str, int start, int length)
void	write(int v)
void	write(java.lang.String str)
void	writeBoolean(boolean v)
void	writeDouble(double v)
void	writeFloat(float v)
void	writeInt(int v)
void	writeLong(long v)
void	writeObject(java.lang.Object v)

Methods inherited from class java.lang.Object

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

Field Detail

base

protected Consumer base

skipping

protected boolean skipping

inAttribute

protected boolean inAttribute

We seen a startAttribute but not the closing endAttribute.

attributeType

protected java.lang.Object attributeType

The 'attribute type' from the most recent startAttribute.

Constructor Detail

FilterConsumer

public FilterConsumer(Consumer base)

Method Detail

beforeContent

protected void beforeContent()

write

public void write(int v)

Specified by:

write in interface Consumer

writeBoolean

public void writeBoolean(boolean v)

Specified by:

writeBoolean in interface Consumer

writeFloat

public void writeFloat(float v)

Specified by:

writeFloat in interface Consumer

writeDouble

public void writeDouble(double v)

Specified by:

writeDouble in interface Consumer

writeInt

public void writeInt(int v)

Specified by:

writeInt in interface Consumer

writeLong

public void writeLong(long v)

Specified by:

writeLong in interface Consumer

startDocument

public void startDocument()

Specified by:

startDocument in interface Consumer

endDocument

public void endDocument()

Specified by:

endDocument in interface Consumer

startElement

public void startElement(java.lang.Object type)

Specified by:

startElement in interface Consumer

endElement

public void endElement()

Specified by:

endElement in interface Consumer

startAttribute

public void startAttribute(java.lang.Object attrType)

Description copied from interface: Consumer

Write a attribute for the current element. This is only allowed immediately after a startElement.

Specified by:

startAttribute in interface Consumer

endAttribute

public void endAttribute()

Description copied from interface: Consumer

End of an attribute or end of an actual parameter. The former use matches a startAttribute; the latter may not, and can be used to separate parameters in a parameter list. This double duty suggsts the method should at least be re-named.

Specified by:

endAttribute in interface Consumer

writeObject

public void writeObject(java.lang.Object v)

Specified by:

writeObject in interface Consumer

ignoring

public boolean ignoring()

Description copied from interface: Consumer

True if consumer is ignoring rest of element. The producer can use this information to skip ahead.

Specified by:

ignoring in interface Consumer

write

public void write(char[] buf,
                  int off,
                  int len)

Specified by:

write in interface Consumer

write

public void write(java.lang.String str)

Specified by:

write in interface Consumer

write

public void write(java.lang.CharSequence str,
                  int start,
                  int length)

Specified by:

write in interface Consumer

append

public Consumer append(char c)

Specified by:

append in interface Consumer

Specified by:

append in interface java.lang.Appendable

append

public Consumer append(java.lang.CharSequence csq)

Specified by:

append in interface Consumer

Specified by:

append in interface java.lang.Appendable

append

public Consumer append(java.lang.CharSequence csq,
                       int start,
                       int end)

Specified by:

append in interface Consumer

Specified by:

append in interface java.lang.Appendable