+++ /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.vector;
-
-import java.io.*;
-import java.util.*;
-import peersim.config.*;
-import peersim.core.*;
-
-/**
- * Initializes a protocol vector from data read from a file.
- * The file format is as follows:
- * lines starting with # or lines that contain only
- * whitespace are ignored.
- * From the rest of the lines the first field separated by whitespace is
- * read. Only the first field is read from each line, the rest of the line
- * is ignored.
- * The file can contain more values than necessary but
- * enough values must be present.
- * @see VectControl
- * @see peersim.vector
- */
-public class InitVectFromFile extends VectControl
-{
-
-// --------------------------------------------------------------------------
-// Parameter names
-// --------------------------------------------------------------------------
-
-/**
- * The filename to load links from.
- * @config
- */
-private static final String PAR_FILE = "file";
-
-// --------------------------------------------------------------------------
-// Fields
-// --------------------------------------------------------------------------
-
-/** The file to be read */
-private final String file;
-
-// --------------------------------------------------------------------------
-// Initialization
-// --------------------------------------------------------------------------
-
-/**
- * Standard constructor that reads the configuration parameters.
- * Invoked by the simulation engine.
- * @param prefix the configuration prefix for this class
- */
-public InitVectFromFile(String prefix)
-{
- super(prefix);
- file = Configuration.getString(prefix + "." + PAR_FILE);
-}
-
-// --------------------------------------------------------------------------
-// Methods
-// --------------------------------------------------------------------------
-
-/**
- * Initializes values from a file.
- * The file format is as follows:
- * lines starting with # or lines that contain only
- * whitespace are ignored.
- * From the rest of the lines the first field separated by whitespace is
- * read. Only the first field is read from each line, the rest of the line
- * is ignored.
- * The file can contain more values than necessary but
- * enough values must be present.
- * @throws RuntimeException if the file cannot be read or contains too few
- * values
- * @return always false
- */
-public boolean execute() {
-
- int i = 0;
-
-try {
- FileReader fr = new FileReader(file);
- LineNumberReader lnr = new LineNumberReader(fr);
- String line;
- while ((line = lnr.readLine()) != null && i < Network.size()) {
- if (line.startsWith("#"))
- continue;
- StringTokenizer st = new StringTokenizer(line);
- if (!st.hasMoreTokens())
- continue;
- if( setter.isInteger() )
- setter.set(i,Long.parseLong(st.nextToken()));
- else setter.set(i,Double.parseDouble(st.nextToken()));
- i++;
- }
- lnr.close();
-}
-catch(IOException e)
-{
- throw new RuntimeException("Unable to read file: " + e);
-}
-
- if (i < Network.size())
- throw new RuntimeException(
- "Too few values in file '" + file + "' (only "
- + i + "); we need " + Network.size() + ".");
-
- return false;
-}
-
-// --------------------------------------------------------------------------
-
-}
