Package de.saar.chorus.domgraph.codec

Class OutputCodec

java.lang.Object

de.saar.chorus.domgraph.codec.OutputCodec

Direct Known Subclasses:

DomgraphUdrawOutputCodec, DotOutputCodec, MultiOutputCodec

public abstract class OutputCodec
extends Object

The abstract base class for all output codecs. Derived classes implement the method encode, which is responsible for writing an encoding of the labelled dominance graph to a writer.

Author:

Alexander Koller

Constructor Summary

Constructors

Constructor	Description
OutputCodec()

Method Summary

Modifier and Type	Method	Description
abstract void	encode(DomGraph graph, NodeLabels labels, Writer writer)	Encodes a dominance graph into a string representation for this output codec.
abstract void	print_footer(Writer writer)	Prints a footer at the end of a file to which the USR is written.
abstract void	print_header(Writer writer)	Prints a header at the beginning of a file to which the USR is written.

Methods inherited from class java.lang.Object

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

Constructor Details

OutputCodec

public OutputCodec()

Method Details

encode

public abstract void encode(DomGraph graph,
 NodeLabels labels,
 Writer writer)
                     throws IOException,
MalformedDomgraphException

Encodes a dominance graph into a string representation for this output codec. The dominance graph is defined by the arguments graph and labels. The USR is written to the writer.

Parameters:

graph - the dominance graph

labels - the node labels for this dominance graph

writer - the writer to which the encoded USR will be written

Throws:

IOException - if an I/O error occurred while writing to the writer

MalformedDomgraphException - if the graph cannot be encoded by this codec

print_header

public abstract void print_header(Writer writer)
                           throws IOException

Prints a header at the beginning of a file to which the USR is written.

Parameters:

writer - the writer

Throws:

IOException - if an I/O error occurred

print_footer

public abstract void print_footer(Writer writer)
                           throws IOException

Prints a footer at the end of a file to which the USR is written.

Parameters:

writer - the writer

Throws:

IOException - if an I/O error occurred