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/*
* file: Assertions.java
* package: oreilly.hcj.review
*
* This software is granted under the terms of the Common Public License,
* CPL, which may be found at the following URL:
* http://www-124.ibm.com/developerworks/oss/CPLv1.0.htm
*
* Copyright(c) 2003-2005 by the authors indicated in the @author tags.
* All Rights are Reserved by the various authors.
*
########## DO NOT EDIT ABOVE THIS LINE ########## */
import java.awt.event.MouseEvent;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
/**
* Class for checking syntax and comments for the assert section of the review chapter.
*
* @author <a href="mailto:kraythe@arcor.de">Robert (Kraythe) Simmons jr.</a>
*/
public class Assertions {
/**
* Main method.
*
* @param args Command line arguments.
*/
public static void main(final String[] args) {
helperParseArgs(args);
Iterator iter = System.getProperties()
.keySet()
.iterator();
for (String key = null; iter.hasNext(); key = (String)iter.next()) {
assert (key != null);
System.out.println(key + "=" + System.getProperty(key));
}
}
/**
* __UNDOCUMENTED__
*
* @param event __UNDOCUMENTED__
*/
public void mouseClicked(final MouseEvent event) {
Object source = event.getSource();
assert (source != null);
// ... do code using source
}
/**
* __UNDOCUMENTED__
*
* @param args __UNDOCUMENTED__
*
* @throws IllegalArgumentException __UNDOCUMENTED__
*/
protected static void helperParseArgs(final String[] args) {
assert (args != null);
assert (!Arrays.asList(args)
.contains(null));
// --
List arglist = Arrays.asList(args);
Iterator iter = arglist.iterator();
for (String argument = null; iter.hasNext(); argument = (String)iter.next()) {
if (argument.startsWith("-D")) {
if (argument.length() < 3) {
int idx = arglist.indexOf(argument);
throw new IllegalArgumentException("Argument" + idx
+ " is not a legal property argument.");
}
int valueIdx = argument.indexOf('=');
System.setProperty(argument.substring(2, valueIdx),
argument.substring(valueIdx + 1));
assert (System.getProperty(argument.substring(2, valueIdx)).equals(argument
.substring(valueIdx
+ 1)));
}
}
}
/**
* __UNDOCUMENTED__
*
* @param args __UNDOCUMENTED__
*
* @throws IllegalArgumentException __UNDOCUMENTED__
*/
protected static void helperParseArgs2(final String[] args) {
assert (args != null);
assert (!Arrays.asList(args)
.contains(null));
// --
List arglist = Arrays.asList(args);
Iterator iter = arglist.iterator();
for (String argument = null; iter.hasNext(); argument = (String)iter.next()) {
if (argument.startsWith("-D")) {
if (argument.length() < 3) {
int idx = arglist.indexOf(argument);
throw new IllegalArgumentException("Argument" + idx
+ " is not a legal property argument.");
}
int valueIdx = argument.indexOf('=');
String key = argument.substring(2, valueIdx);
String value = argument.substring(valueIdx + 1);
System.setProperty(key, value);
assert (System.getProperty(key).equals(value));
}
}
}
}
/* ########## End of File ########## */
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