/**
*
QuickUML; A simple UML tool that demonstrates one use of the
Java Diagram Package
Copyright (C) 2001 Eric Crahen <crahen@cse.buffalo.edu>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package uml.builder;
import uml.diagram.ClassItem;
import uml.diagram.CompositionItem;
import uml.diagram.InterfaceItem;
import diagram.Figure;
/**
* @class AbstractBuilder
*
* @date 08-20-2001
* @author Eric Crahen
* @version 1.0
*
* Contains a couple useful methods used by many builders
*/
public abstract class AbstractBuilder implements CodeBuilder {
/**
* Handle any errors that were detected
*/
protected void checkContext(Context ctx)
throws BuilderException {
if(ctx.hasErrors())
throw new BuilderException("Errors were detected while identifying classes");
}
/**
* Get the class name for a Figure in the diagram
*/
protected String getName(Context ctx, Figure figure) {
Object value = ctx.getModel().getValue(figure);
String name = null;
if(value instanceof ClassItem)
name = ((ClassItem)value).getName();
else if(value instanceof InterfaceItem)
name = ((InterfaceItem)value).getName();
else if(value instanceof CompositionItem)
name = ((CompositionItem)value).getName();
// Remove invalid names
return (name == null || name.length() < 0) ? "<no name>" : name;
}
}