/**
*
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 java.util.StringTokenizer;
/**
* @class MetaAttribute
*
* @date 08-20-2001
* @author Eric Crahen
* @version 1.0
*/
public class MetaAttribute extends MetaComponent {
private int access;
protected MetaAttribute() { }
public MetaAttribute(String description) {
parseAttribute(description);
}
protected void parseAttribute(String description) {
StringTokenizer tok = new StringTokenizer(description);
// Look for access words first
for(int n=0; tok.hasMoreTokens();) {
// Accumulate the access tokens
String s = tok.nextToken();
if((n = MetaAccess.parse(s)) != MetaAccess.NONE)
access |= n;
else { // Set the type
setType(s);
break;
}
}
setAccess(access);
// Look for a name
if(tok.hasMoreTokens())
setName(tok.nextToken());
}
public int getAccess() {
return access;
}
public void setAccess(int access) {
access = MetaAccess.compress(access);
if(!MetaAccess.isValid(access))
throw new SyntaxException("Invalid access modifiers");
this.access = access;
}
public String getType() {
String type = super.getType();
int n = type.indexOf('[');
return (n < 0) ? type : type.substring(0,n);
}
public boolean isArray() {
return super.getType().indexOf('[') > 0;
}
public int getArraySize() {
String type = super.getType();
int n = type.indexOf('[');
int m = type.indexOf(']');
if(m > n && n > 0) {
try { return Integer.parseInt(type.substring(n+1,m)); } catch(Throwable t) {}
}
return -1;
}
/**
* Compare by name
*/
public int compareTo(Object o) {
int result = -1;
if(o instanceof MetaAttribute && (result = super.compareTo(o)) == 0) {
MetaAttribute m = (MetaAttribute)o;
result = getType().compareTo(m.getType());
}
return result;
}
public String toString() {
StringBuffer buf = new StringBuffer();
if(access != MetaAccess.NONE)
buf.append(MetaAccess.toString(access)).append(' ');
buf.append(getType());
if(isArray())
buf.append("[]");
if(getName() != null)
buf.append(' ').append(getName());
return buf.toString();
}
}