+++ /dev/null
-/*
- * Copyright (c) 2003-2005 The BISON Project
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-package peersim.reports;
-
-import peersim.config.Configuration;
-import peersim.graph.GraphIO;
-import peersim.util.FileNameGenerator;
-import java.io.PrintStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-
-/**
-* Prints the whole graph in a given format.
-*/
-public class GraphPrinter extends GraphObserver {
-
-
-// ===================== fields =======================================
-// ====================================================================
-
-/**
-* This is the prefix of the filename where the graph is saved.
-* The extension is ".graph" and after the prefix the basename contains
-* a numeric index that is incremented at each saving point.
-* If not given, the graph is dumped on the standard output.
-* @config
-*/
-private static final String PAR_BASENAME = "outf";
-
-/**
-* The name for the format of the output. Defaults to "neighborlist",
-* which is a plain dump of neighbors. The class
-* {@link peersim.dynamics.WireFromFile} can read this format.
-* Other supported formats are "chaco" to be used with Yehuda Koren's
-* Embedder, "netmeter" to be used with Sergi Valverde's netmeter and also
-* with pajek,
-* "edgelist" that dumps one (directed) node pair in each line for each edge,
-* "gml" that is a generic format of many graph tools, and "dot" that can
-* be used with the graphviz package.
-* @see GraphIO#writeEdgeList
-* @see GraphIO#writeChaco
-* @see GraphIO#writeNeighborList
-* @see GraphIO#writeNetmeter
-* @config
-*/
-private static final String PAR_FORMAT = "format";
-
-private final String baseName;
-
-private final FileNameGenerator fng;
-
-private final String format;
-
-
-// ===================== initialization ================================
-// =====================================================================
-
-
-/**
- * Standard constructor that reads the configuration parameters.
- * Invoked by the simulation engine.
- * @param name the configuration prefix for this class
- */
-public GraphPrinter(String name) {
-
- super(name);
- baseName = Configuration.getString(name+"."+PAR_BASENAME,null);
- format = Configuration.getString(name+"."+PAR_FORMAT,"neighborlist");
- if(baseName!=null) fng = new FileNameGenerator(baseName,".graph");
- else fng = null;
-}
-
-
-// ====================== methods ======================================
-// =====================================================================
-
-
-/**
-* Saves the graph according to the specifications in the configuration.
-* @return always false
-*/
-public boolean execute() {
-try {
- updateGraph();
-
- System.out.print(name+": ");
-
- // initialize output streams
- FileOutputStream fos = null;
- PrintStream pstr = System.out;
- if( baseName != null )
- {
- String fname = fng.nextCounterName();
- fos = new FileOutputStream(fname);
- System.out.println("writing to file "+fname);
- pstr = new PrintStream(fos);
- }
- else System.out.println();
-
- if( format.equals("neighborlist") )
- GraphIO.writeNeighborList(g, pstr);
- else if( format.equals("edgelist") )
- GraphIO.writeEdgeList(g, pstr);
- else if( format.equals("chaco") )
- GraphIO.writeChaco(g, pstr);
- else if( format.equals("netmeter") )
- GraphIO.writeNetmeter(g, pstr);
- else if( format.equals("gml") )
- GraphIO.writeGML(g, pstr);
- else if( format.equals("dot") )
- GraphIO.writeDOT(g, pstr);
- else
- System.err.println(name+": unsupported format "+format);
-
- if( fos != null ) fos.close();
-
- return false;
-}
-catch( IOException e )
-{
- throw new RuntimeException(e);
-}
-}
-
-}
-
