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navid.sassan 2020-11-08 12:19:17 +01:00
parent 7fbb097ee2
commit 65125e61d6
19 changed files with 1042 additions and 0 deletions
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07/Aufgabenstellung Praktikum 07.pdf Normal file
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07/build.gradle Normal file
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/*
* This file was generated by the Gradle 'init' task.
*
* This generated file contains a sample Java project to get you started.
* For more details take a look at the Java Quickstart chapter in the Gradle
* User Manual available at https://docs.gradle.org/6.3/userguide/tutorial_java_projects.html
*/
plugins {
// Apply the java plugin to add support for Java
id 'java'
// Apply the application plugin to add support for building a CLI application.
id 'application'
}
repositories {
// Use jcenter for resolving dependencies.
// You can declare any Maven/Ivy/file repository here.
jcenter()
}
dependencies {
// This dependency is used by the application.
implementation 'com.google.guava:guava:28.2-jre'
implementation 'junit:junit:4.12'
// Use JUnit test framework
testImplementation 'junit:junit:4.12'
}
application {
// Define the main class for the application.
mainClassName = 'ch.zhaw.ads.ExBox'
}
test {
testLogging {
events "passed", "skipped", "failed", "standardOut", "standardError"
}
}

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07/gradle/wrapper/gradle-wrapper.properties vendored Normal file
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distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-6.3-bin.zip
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists

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#!/usr/bin/env sh
#
# Copyright 2015 the original author or authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
##############################################################################
##
## Gradle start up script for UN*X
##
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
PRG="$0"
# Need this for relative symlinks.
while [ -h "$PRG" ] ; do
ls=`ls -ld "$PRG"`
link=`expr "$ls" : '.*-> \(.*\)$'`
if expr "$link" : '/.*' > /dev/null; then
PRG="$link"
else
PRG=`dirname "$PRG"`"/$link"
fi
done
SAVED="`pwd`"
cd "`dirname \"$PRG\"`/" >/dev/null
APP_HOME="`pwd -P`"
cd "$SAVED" >/dev/null
APP_NAME="Gradle"
APP_BASE_NAME=`basename "$0"`
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD="maximum"
warn () {
echo "$*"
}
die () {
echo
echo "$*"
echo
exit 1
}
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "`uname`" in
CYGWIN* )
cygwin=true
;;
Darwin* )
darwin=true
;;
MINGW* )
msys=true
;;
NONSTOP* )
nonstop=true
;;
esac
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD="$JAVA_HOME/jre/sh/java"
else
JAVACMD="$JAVA_HOME/bin/java"
fi
if [ ! -x "$JAVACMD" ] ; then
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD="java"
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
# Increase the maximum file descriptors if we can.
if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
MAX_FD_LIMIT=`ulimit -H -n`
if [ $? -eq 0 ] ; then
if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
MAX_FD="$MAX_FD_LIMIT"
fi
ulimit -n $MAX_FD
if [ $? -ne 0 ] ; then
warn "Could not set maximum file descriptor limit: $MAX_FD"
fi
else
warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
fi
fi
# For Darwin, add options to specify how the application appears in the dock
if $darwin; then
GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
fi
# For Cygwin or MSYS, switch paths to Windows format before running java
if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
APP_HOME=`cygpath --path --mixed "$APP_HOME"`
CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
JAVACMD=`cygpath --unix "$JAVACMD"`
# We build the pattern for arguments to be converted via cygpath
ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
SEP=""
for dir in $ROOTDIRSRAW ; do
ROOTDIRS="$ROOTDIRS$SEP$dir"
SEP="|"
done
OURCYGPATTERN="(^($ROOTDIRS))"
# Add a user-defined pattern to the cygpath arguments
if [ "$GRADLE_CYGPATTERN" != "" ] ; then
OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
fi
# Now convert the arguments - kludge to limit ourselves to /bin/sh
i=0
for arg in "$@" ; do
CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
else
eval `echo args$i`="\"$arg\""
fi
i=`expr $i + 1`
done
case $i in
0) set -- ;;
1) set -- "$args0" ;;
2) set -- "$args0" "$args1" ;;
3) set -- "$args0" "$args1" "$args2" ;;
4) set -- "$args0" "$args1" "$args2" "$args3" ;;
5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
esac
fi
# Escape application args
save () {
for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
echo " "
}
APP_ARGS=`save "$@"`
# Collect all arguments for the java command, following the shell quoting and substitution rules
eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
exec "$JAVACMD" "$@"

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@rem
@rem Copyright 2015 the original author or authors.
@rem
@rem Licensed under the Apache License, Version 2.0 (the "License");
@rem you may not use this file except in compliance with the License.
@rem You may obtain a copy of the License at
@rem
@rem https://www.apache.org/licenses/LICENSE-2.0
@rem
@rem Unless required by applicable law or agreed to in writing, software
@rem distributed under the License is distributed on an "AS IS" BASIS,
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@rem See the License for the specific language governing permissions and
@rem limitations under the License.
@rem
@if "%DEBUG%" == "" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%" == "" set DIRNAME=.
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Resolve any "." and ".." in APP_HOME to make it shorter.
for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if "%ERRORLEVEL%" == "0" goto init
echo.
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto init
echo.
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:init
@rem Get command-line arguments, handling Windows variants
if not "%OS%" == "Windows_NT" goto win9xME_args
:win9xME_args
@rem Slurp the command line arguments.
set CMD_LINE_ARGS=
set _SKIP=2
:win9xME_args_slurp
if "x%~1" == "x" goto execute
set CMD_LINE_ARGS=%*
:execute
@rem Setup the command line
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
:end
@rem End local scope for the variables with windows NT shell
if "%ERRORLEVEL%"=="0" goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
exit /b 1
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega

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07/settings.gradle Normal file
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/*
* This file was generated by the Gradle 'init' task.
*
* The settings file is used to specify which projects to include in your build.
*
* Detailed information about configuring a multi-project build in Gradle can be found
* in the user manual at https://docs.gradle.org/6.3/userguide/multi_project_builds.html
*/
rootProject.name = 'praktikum01'

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07/src/main/java/ch/zhaw/ads/AdjListGraph.java Normal file
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package ch.zhaw.ads;
import java.util.*;
public class AdjListGraph<N extends Node,E extends Edge>
implements Graph<N, E> {
private final List<N> nodes = new LinkedList<N>();
private final Class nodeClazz;
private final Class edgeClazz;
public AdjListGraph(Class nodeClazz, Class edgeClazz) {
this.nodeClazz = nodeClazz;
this.edgeClazz = edgeClazz;
}
// füge Knoten hinzu, gebe alten zurück falls Knoten schon existiert
public N addNode(String name) throws Throwable {
N node = findNode(name);
if (node == null) {
node = (N) nodeClazz.newInstance();
node.setName(name);
nodes.add(node);
}
return node;
}
// füge gerichtete Kante hinzu
public void addEdge(String source, String dest, double weight) throws Throwable {
N src = addNode(source);
N dst = addNode(dest);
try {
E edge = (E) edgeClazz.newInstance();
edge.setDest(dst);
edge.setWeight(weight);
src.addEdge(edge);
} catch (Exception e) {}
}
// finde den Knoten anhand seines Namens
public N findNode(String name) {
for (N node : nodes) {
if (node.getName().equals(name)) {
return node;
}
}
return null;
}
// Iterator über alle Knoten
public Iterable<N> getNodes() {
return nodes;
}
}

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07/src/main/java/ch/zhaw/ads/AnyServer.java Normal file
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package ch.zhaw.ads;
public class AnyServer implements CommandExecutor {
@Override
public String execute(String command) {
StringBuffer result = new StringBuffer(100);
result.append("Die Eingabe war \"");
result.append(command);
result.append("\"\n");
return result.toString();
}
}

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07/src/main/java/ch/zhaw/ads/CommandExecutor.java Normal file
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/**
* CommandExecutor -- Praktikum Experimentierkasten -- SW3 Dieses Interface muss
* von jedem Server implementiert werden.
*
* @author E. Mumprecht
* @version 1.0 -- Geruest fuer irgendeinen Server
* @version 1.1 -- K. Rege Fehlerueckgabe hinzugefuegt
*/
package ch.zhaw.ads;
public interface CommandExecutor {
/**
* execute -- nimmt eine Kommandozeile, tut irgendetwas gescheites, und
* berichtet das Resultat.
*
* @param command Kommandozeile
* @return Resultat, ueblicherweise eine oder mehrere Zeilen.
*/
String execute(String command) throws Exception;
}//interface CommandExecutor

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07/src/main/java/ch/zhaw/ads/DijkstraNode.java Normal file
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package ch.zhaw.ads;
class DijkstraNode<E> extends Node<E> implements Comparable<DijkstraNode> {
boolean mark;
DijkstraNode<E> prev;
double dist;
public double getDist() {
return dist;
}
public void setDist(double dist) {
this.dist = dist;
}
public void setMark(boolean m) {
mark = m;
}
public boolean getMark() {
return mark;
}
public void setPrev(DijkstraNode<E> p) {
prev = p;
}
public DijkstraNode<E> getPrev() {
return prev;
}
public int compareTo(DijkstraNode n) {
// TODO: implement
return 0;
}
}

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07/src/main/java/ch/zhaw/ads/Edge.java Normal file
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package ch.zhaw.ads;
public class Edge<N>
{
protected N dest; // Zielknoten der Kante
protected double weight; // Kantengewicht
public Edge() {}
public Edge(N dest, double weight) {
this.dest = dest;
this.weight = weight;
}
public void setDest(N node) {this.dest = node;}
public N getDest() {return dest;}
public void setWeight(double w) {this.weight = w;}
double getWeight() {return weight;}
}

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07/src/main/java/ch/zhaw/ads/ExBox.java Normal file
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/**
* @author K. Rege
* @version 1.0 -- Experimentierkasten
*/
package ch.zhaw.ads;
import java.awt.*;
import java.io.*;
import java.awt.event.*;
public class ExBox {
public static void main(String[] args) throws Exception {
ExBoxFrame f = new ExBoxFrame();
f.setLocationRelativeTo(null);
f.setVisible(true);
}
}

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07/src/main/java/ch/zhaw/ads/ExBoxFrame.java Normal file
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/**
* @(#)ExBoxFrame.java
*
* JFC ExBox application
*
* @author K.Rege
* @version 1.00 2014/2/3
* @version 1.01 2016/8/2
* @version 2.00 2017/8/30 Test
* @version 2.01 2018/2/5 AutoScale
* @version 2d.02 2018/2/5 Reconnect (inspired by S. Kunz)
*/
package ch.zhaw.ads;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.io.*;
import java.util.*;
import org.junit.runner.JUnitCore;
import org.junit.runner.Result;
import org.junit.runner.notification.Failure;
import org.junit.runner.notification.RunListener;
import org.junit.runner.Description;
public class ExBoxFrame extends JFrame implements ActionListener, ItemListener {
private static double SCALE = 1;
private JMenuItem connect, open, test, textView, graphicView;
private JButton enter;
private JTextField arguments;
private JCheckBox reconnect;
private JComboBox history;
private JTextArea output;
private JScrollPane scrollPane;
private CommandExecutor command;
private boolean graphicOn;
private GraphicPanel graphic;
private String lastServer;
public static void setFontSize(int size) {
Set<Object> keySet = UIManager.getLookAndFeelDefaults().keySet();
Object[] keys = keySet.toArray(new Object[keySet.size()]);
for (Object key : keys) {
if (key != null && key.toString().toLowerCase().contains("font")) {
Font font = UIManager.getDefaults().getFont(key);
if (font != null) {
font = font.deriveFont((float) size);
UIManager.put(key, font);
}
}
}
}
private void initMenu() {
JMenuBar menuBar = new JMenuBar();
JMenu menuFile = new JMenu();
JMenuItem menuFileExit = new JMenuItem();
menuFile.setText("File");
menuFileExit.setText("Exit");
// Add action listener.for the menu button
menuFileExit.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
ExBoxFrame.this.windowClosed();
}
});
menuFile.add(menuFileExit);
menuBar.add(menuFile);
JMenu menuServer = new JMenu("Server");
menuBar.add(menuServer);
connect = new JMenuItem("Connect");
connect.addActionListener(this);
menuServer.add(connect);
test = new JMenuItem("Test");
test.addActionListener(this);
menuServer.add(test);
JMenu menuView = new JMenu("View");
menuBar.add(menuView);
textView = new JMenuItem("Text");
textView.addActionListener(this);
menuView.add(textView);
graphicView = new JMenuItem("Graphic");
graphicView.addActionListener(this);
menuView.add(graphicView);
open = new JMenuItem("Open...");
open.addActionListener(this);
menuFile.insert(open, 0);
setJMenuBar(menuBar);
}
private void initComponents() {
setLayout(new BorderLayout());
output = new JTextArea();
scrollPane = new JScrollPane(output);
add(BorderLayout.CENTER, scrollPane);
Panel panel = new Panel(new BorderLayout());
arguments = new JTextField();
arguments.addActionListener(this);
panel.add(BorderLayout.CENTER, arguments);
enter = new JButton("enter");
enter.addActionListener(this);
panel.add(BorderLayout.EAST, enter);
reconnect = new JCheckBox("reconnect",true);
panel.add(BorderLayout.WEST,reconnect);
history = new JComboBox();
history.addItemListener(this);
panel.add(BorderLayout.SOUTH, history);
add(BorderLayout.SOUTH, panel);
}
/**
* get default path for file open dialog
*/
String getPathCompiled() {
String pathtocompiled = getClass().getProtectionDomain().getCodeSource().getLocation().getPath();
pathtocompiled = pathtocompiled.replace("%20", " ").replace("/",
File.separator);
pathtocompiled += getClass().getPackage().getName().replace(".",
File.separator);
if (System.getProperty("os.name").toLowerCase().indexOf("win") >= 0) {
pathtocompiled = pathtocompiled.substring(1);
}
return pathtocompiled;
}
/**
* The constructor
*/
public ExBoxFrame() throws Exception {
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (Exception ex) {
ex.printStackTrace();
}
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
if (screenSize.getWidth() > 1920) {
SCALE = 2;
}
setFontSize((int) (11 * SCALE));
setSize(new Dimension((int) (400 * SCALE), (int) (400 * SCALE)));
setTitle("ExBox");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
initMenu();
initComponents();
}
private void error(String s) {
output.append("\nERROR:" + s + "\n");
}
private void interpret(String args) throws Exception {
if (reconnect.isSelected() && lastServer != null) {
command = ServerFactory.createServer(lastServer);
}
if (!arguments.getText().equals(history.getItemAt(0))
&& !arguments.getText().equals(history.getSelectedItem())) {
history.insertItemAt(arguments.getText(), 0);
}
if (command == null) {
error("no Server connected");
} else {
String res = command.execute(args);
if (graphicOn) {
graphic.setFigure(res);
} else {
output.append(res);
}
}
}
private void setGraphicView() {
if (graphicOn) {
return;
}
remove(scrollPane);
graphic = new GraphicPanel();
output.removeNotify();
add(BorderLayout.CENTER, graphic);
graphicOn = true;
validate();
repaint();
}
private void setTextView() {
if (!graphicOn) {
return;
}
remove(graphic);
add(BorderLayout.CENTER, scrollPane);
graphicOn = false;
validate();
repaint();
}
private String openFileDialog(String startDirectory, String pattern) {
FileDialog fd = new FileDialog(this, "Open");
if (pattern != null) {
fd.setFile(pattern);
}
if (startDirectory != null) {
fd.setDirectory(startDirectory);
}
fd.setVisible(true);
return fd.getDirectory() + fd.getFile();
}
private void testCommand() throws Exception {
final java.util.List<String> failed = new LinkedList<String>();
final java.util.List<String> finished = new LinkedList<String>();
JUnitCore runner = new JUnitCore();
String name = openFileDialog(getPathCompiled(), "*Test.class");
runner.addListener(new RunListener() {
@Override
public void testFinished(Description description) throws Exception {
finished.add(description.getDisplayName());
}
@Override
public void testFailure(Failure failure) throws Exception {
failed.add(failure.getDescription().getDisplayName());
}
});
Class testClass = ServerFactory.loadClass(name);
Result result = runner.run(testClass);
for (String test : finished) {
if (!failed.contains(test)) {
output.append(test + ": OK\n");
}
}
for (Failure failure : result.getFailures()) {
output.append(failure.toString() + " ERROR\n");
}
output.append(
"TESTS PASSED: "
+ (result.wasSuccessful()
? "OK \u263a"
: result.getFailures().size() + " ERRORS")
+ "\n");
}
private void connectCommand() throws Exception {
String name = openFileDialog(getPathCompiled(), "*Server.class");
command = ServerFactory.createServer(name);
lastServer = name;
String fullClassName = command.getClass().getName();
String simpleClassName = fullClassName.substring(
fullClassName.lastIndexOf('.') + 1);
setTitle("ExBox connected to " + simpleClassName);
}
private void openFile() throws Exception {
String name = openFileDialog(null, null);
BufferedReader br = new BufferedReader(
new InputStreamReader(new FileInputStream(name), "ISO-8859-1"));
StringBuffer b = new StringBuffer();
String line;
while ((line = br.readLine()) != null) {
b.append(line);
b.append('\n');
}
interpret(b.toString());
}
public void itemStateChanged(ItemEvent e) {
try {
arguments.setText((String) e.getItem());
interpret(arguments.getText());
} catch (Throwable ex) {
error(ex.toString());
}
}
public void actionPerformed(ActionEvent e) {
try {
if ((e.getSource() == arguments) || (e.getSource() == enter)) {
interpret(arguments.getText());
} else if (e.getSource() == connect) {
connectCommand();
} else if (e.getSource() == test) {
testCommand();
} else if (e.getSource() == open) {
openFile();
} else if (e.getSource() == textView) {
setTextView();
} else if (e.getSource() == graphicView) {
setGraphicView();
}
} catch (Throwable ex) {
ex.printStackTrace();
error(ex.toString());
}
}
/**
* Shutdown procedure when run as an application.
*/
protected void windowClosed() {
System.exit(0);
}
}

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07/src/main/java/ch/zhaw/ads/Graph.java Normal file
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package ch.zhaw.ads;
import java.util.*;
public interface Graph<N,E> {
// füge Knoten hinzu, tue nichts, falls Knoten schon existiert
N addNode (String name) throws Throwable;
// finde den Knoten anhand seines Namens
N findNode(String name);
// Iterator über alle Knoten des Graphen
Iterable<N> getNodes();
// füge gerichtete und gewichtete Kante hinzu
void addEdge(String source, String dest, double weight) throws Throwable ;
}

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07/src/main/java/ch/zhaw/ads/GraphicPanel.java Normal file
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package ch.zhaw.ads;
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
import java.util.*;
public class GraphicPanel extends JPanel {
String figure;
public void setFigure(String figure) {
this.figure = figure;
paint(getGraphics());
}
private void drawRect(Graphics g, double x, double y, double width, double height, String style) {
int w = getWidth();
int h = getHeight();
int ix0 = (int) (w * x);
int iy0 = (int) (h * y);
int ix1 = (int) (w * (x + width));
int iy1 = (int) (h * (y + height));
if (style.equals("draw")) {
g.drawRect(ix0, h - iy1, ix1 - ix0, iy1 - iy0);
} else {
g.fillRect(ix0, h - iy1, ix1 - ix0, iy1 - iy0);
}
}
private void drawFigure(Graphics g) {
if (figure != null) {
int w = getWidth();
int h = getHeight();
g.setColor(Color.black);
StringTokenizer tok = new StringTokenizer(figure, " <>=/,\"\n");
while (tok.hasMoreTokens()) {
String fig = tok.nextToken();
if (fig.equals("line")) {
tok.nextToken();
double x1 = Double.parseDouble(tok.nextToken());
tok.nextToken();
double y1 = Double.parseDouble(tok.nextToken());
tok.nextToken();
double x2 = Double.parseDouble(tok.nextToken());
tok.nextToken();
double y2 = Double.parseDouble(tok.nextToken());
g.drawLine((int) (x1 * w), h - (int) (y1 * h),
(int) (x2 * w), h - (int) (y2 * h));
} else if (fig.equals("rect")) {
tok.nextToken();
double x = Double.parseDouble(tok.nextToken());
tok.nextToken();
double y = Double.parseDouble(tok.nextToken());
tok.nextToken();
double width = Double.parseDouble(tok.nextToken());
tok.nextToken();
double height = Double.parseDouble(tok.nextToken());
tok.nextToken();
String style = tok.nextToken();
drawRect(g, x, y, width, height, style);
} else if (fig.equals("color")) {
tok.nextToken();
int red = Integer.parseInt(tok.nextToken());
tok.nextToken();
int green = Integer.parseInt(tok.nextToken());
tok.nextToken();
int blue = Integer.parseInt(tok.nextToken());
g.setColor(new Color(red, green, blue));
}
}
}
}
private void clear(Graphics g) {
int w = getWidth();
int h = getHeight();
g.setColor(new Color(240, 240, 240));
g.fillRect(0, 0, w, h);
}
public void paint(Graphics g) {
clear(g);
drawFigure(g);
}
}

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07/src/main/java/ch/zhaw/ads/Node.java Normal file
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package ch.zhaw.ads;
import java.util.*;
public class Node<E> {
protected String name; // Name
protected List<E> edges; // Kanten
public Node() {
edges = new LinkedList<E>();
}
public Node(String name) {
super();
this.name = name;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Iterable<E> getEdges() {
return edges;
}
public void addEdge(E edge) {
edges.add(edge);
}
}

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07/src/main/java/ch/zhaw/ads/ServerFactory.java Normal file
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/**
* ServerFactory -- Praktikum Experimentierkasten --
*
* @author K. Rege
* @version 1.0 -- Factory zur Erstellung von Server Objekten
* @version 2.0 -- Dynamisches Nachladen
*/
package ch.zhaw.ads;
import java.io.*;
/* Classloader that handles file path of class
*/
class MyClassLoader extends ClassLoader {
private String path;
MyClassLoader(ClassLoader parent) {
super(parent);
}
private byte[] getBytes(String name) {
try {
RandomAccessFile file = new RandomAccessFile(name, "r");
byte data[] = new byte[(int) file.length()];
file.readFully(data);
file.close();
return data;
} catch (IOException e) {}
return null;
}
/**
* @name filename of class
*/
public Class<?> loadClass(String name, boolean resolve) throws ClassNotFoundException {
// System.out.println("load:" + name + " " + resolve);
Class<?> clazz;
byte[] classData = getBytes(name);
if (classData != null) {
clazz = defineClass(classData, 0, classData.length);
path = name.substring(0,
name.length() - clazz.getName().length() - ".class".length());
return clazz;
}
if (!resolve) {
classData = getBytes(path + name.replace(".", File.separator) + ".class");
if (classData != null) {
return defineClass(classData, 0, classData.length);
}
}
return findSystemClass(name);
}
}
public class ServerFactory {
public static Class<?> loadClass(String name) throws Exception {
MyClassLoader myClassLoader = new MyClassLoader(
MyClassLoader.class.getClassLoader());
Class<?> clazz = myClassLoader.loadClass(name, true);
return clazz;
}
public static CommandExecutor createServer(String name) throws Exception {
return (CommandExecutor) loadClass(name).newInstance();
}
}

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07/src/main/resources/Swiss.txt Normal file
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Winterthur Zürich 25
Zürich Bern 126
Zürich Genf 277
Zürich Luzern 54
Zürich Chur 121
Zürich Berikon 16
Bern Genf 155
Genf Lugano 363
Lugano Luzern 206
Lugano Chur 152
Chur Luzern 146
Luzern Bern 97
Bern Berikon 102
Luzern Berikon 41