org.esa.beam.framework.gpf.graph
Class GraphIO

java.lang.Object
  org.esa.beam.framework.gpf.graph.GraphIO

public class GraphIO
extends Object

The GraphIO class contains methods for the serialization/deserialization of XML-based Graph definitions.

Author:

Maximilian Aulinger, Norman Fomferra, Ralf Quast

Method Summary

static Graph	read(Reader reader) Deserializes a graph from an XML Reader.
static Graph	read(Reader reader, Map<String,String> variables) Deserializes a Graph from a XML Reader using a mapping for the substitution of template variables inside the XML-based Graph definition.
static void	write(Graph graph, Writer writer) Serializes the given graph into XML

Methods inherited from class java.lang.Object

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

Method Detail

write

public static void write(Graph graph,
                         Writer writer)

Serializes the given graph into XML

Parameters:

graph - the graph to write into XML

writer - the writer to use for serialization.

read

public static Graph read(Reader reader)
                  throws GraphException

Deserializes a graph from an XML Reader.

Parameters:

reader - the readerto use for deserialization

Returns:

the deserialized graph

Throws:

GraphException - if an error occurs during reading

read

public static Graph read(Reader reader,
                         Map<String,String> variables)
                  throws GraphException

Deserializes a Graph from a XML Reader using a mapping for the substitution of template variables inside the XML-based Graph definition.

Parameters:

reader - the XML reader

variables - a mapping from template variable names to their string values.

Returns:

the deserialized graph

Throws:

GraphException - if an error occurs during reading