Add a very rudimentary command line program that will check the integrity (a very basic integrity check) of a world.

src/joptsimple/OptionArgumentConversionException.java

@@ -0,0 +1,56 @@
+/*
+ The MIT License
+
+ Copyright (c) 2009 Paul R. Holser, Jr.
+
+ Permission is hereby granted, free of charge, to any person obtaining
+ a copy of this software and associated documentation files (the
+ "Software"), to deal in the Software without restriction, including
+ without limitation the rights to use, copy, modify, merge, publish,
+ distribute, sublicense, and/or sell copies of the Software, and to
+ permit persons to whom the Software is furnished to do so, subject to
+ the following conditions:
+
+ The above copyright notice and this permission notice shall be
+ included in all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+package joptsimple;
+
+import java.util.Collection;
+
+/**
+ * <p>Thrown when a problem occurs converting an argument of an option from {@link String}
+ * to another type.</p>
+ *
+ * @author <a href="mailto:pholser@alumni.rice.edu">Paul Holser</a>
+ * @version $Id: OptionArgumentConversionException.java,v 1.16 2009/10/25 18:37:06 pholser Exp $
+ */
+class OptionArgumentConversionException extends OptionException {
+    private static final long serialVersionUID = -1L;
+
+    private final String argument;
+    private final Class<?> valueType;
+
+    OptionArgumentConversionException( Collection<String> options, String argument, Class<?> valueType,
+        Throwable cause ) {
+
+        super( options, cause );
+
+        this.argument = argument;
+        this.valueType = valueType;
+    }
+
+    @Override
+    public String getMessage() {
+        return "Cannot convert argument '" + argument + "' of option " + multipleOptionMessage() + " to " + valueType;
+    }
+}