gnu.kawa.xml

Class HttpPrinter

java.lang.Object

gnu.lists.FilterConsumer

gnu.kawa.xml.HttpPrinter

All Implemented Interfaces:

Consumer, XConsumer, java.lang.Appendable

Direct Known Subclasses:

ServletPrinter

public class HttpPrinter
extends FilterConsumer

Output as an Http response. Used for both CGI scripts (default) and HttpServletResponse (future).

Field Summary

Fields

Modifier and Type	Field and Description
protected java.io.OutputStream	ostream
protected java.lang.String	sawContentType

Fields inherited from class gnu.lists.FilterConsumer

attributeType, base, inAttribute, skipping

Constructor Summary

Constructors

Constructor and Description
HttpPrinter(gnu.kawa.io.OutPort out)
HttpPrinter(java.io.OutputStream out)

Method Summary

Methods

Modifier and Type	Method and Description
void	addHeader(java.lang.String label, java.lang.String value)
protected void	beforeNode()
void	beginData()
void	endAttribute() End of an attribute or end of an actual parameter.
void	endDocument()
void	endElement()
static HttpPrinter	make(gnu.kawa.io.OutPort out)
void	printHeader(java.lang.String label, java.lang.String value)
void	printHeaders()
boolean	reset(boolean headersAlso) Try to reset (delete) any response generated so far.
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	writeObject(java.lang.Object v)

Methods inherited from class gnu.lists.FilterConsumer

append, append, append, beforeContent, beginEntity, endEntity, ignoring, write, write, writeBoolean, writeCDATA, writeComment, writeDouble, writeFloat, writeInt, writeLong, writeProcessingInstruction

Methods inherited from class java.lang.Object

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

Field Detail

sawContentType

protected java.lang.String sawContentType

ostream

protected java.io.OutputStream ostream

Constructor Detail

HttpPrinter

public HttpPrinter(java.io.OutputStream out)

HttpPrinter

public HttpPrinter(gnu.kawa.io.OutPort out)

Method Detail

make

public static HttpPrinter make(gnu.kawa.io.OutPort out)

beforeNode

protected void beforeNode()

Overrides:

beforeNode in class FilterConsumer

printHeader

public void printHeader(java.lang.String label,
               java.lang.String value)
                 throws java.io.IOException

Throws:

java.io.IOException

printHeaders

public void printHeaders()
                  throws java.io.IOException

Throws:

java.io.IOException

addHeader

public void addHeader(java.lang.String label,
             java.lang.String value)

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

Overrides:

startAttribute in class FilterConsumer

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

Overrides:

endAttribute in class FilterConsumer

beginData

public void beginData()

startElement

public void startElement(java.lang.Object type)

Specified by:

startElement in interface Consumer

Overrides:

startElement in class FilterConsumer

endElement

public void endElement()

Specified by:

endElement in interface Consumer

Overrides:

endElement in class FilterConsumer

writeObject

public void writeObject(java.lang.Object v)

Specified by:

writeObject in interface Consumer

Overrides:

writeObject in class FilterConsumer

write

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

Specified by:

write in interface Consumer

Overrides:

write in class FilterConsumer

write

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

Specified by:

write in interface Consumer

Overrides:

write in class FilterConsumer

startDocument

public void startDocument()

Specified by:

startDocument in interface Consumer

Overrides:

startDocument in class FilterConsumer

endDocument

public void endDocument()

Specified by:

endDocument in interface Consumer

Overrides:

endDocument in class FilterConsumer

reset

public boolean reset(boolean headersAlso)

Try to reset (delete) any response generated so far.

Parameters:

headersAlso - if response headers should also be reset.

Returns:

true on success, false if it's too late.