ChoiceConfigParameter.java
上传用户:huihesys
上传日期:2007-01-04
资源大小:3877k
文件大小:2k
- /* $Id: ChoiceConfigParameter.java,v 1.3 2000/04/06 08:02:01 wastl Exp $ */
- package net.wastl.webmail.config;
- import java.util.*;
- /*
- * ChoiceConfigParameter.java
- *
- * Created: Sep 1999
- *
- * Copyright (C) 1999-2000 Sebastian Schaffert
- *
- * 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.
- */
- /**
- * Scheme of a parameter that can take one of several choices as value
- */
- public class ChoiceConfigParameter extends ConfigParameter {
-
- Hashtable possible_values;
-
- public ChoiceConfigParameter(String name, String desc) {
- super(name, null, desc);
- possible_values=new Hashtable();
- }
-
- public void addChoice(Object choice, String desc) {
- /* First is default */
- if(possible_values.isEmpty()) {
- def_value=choice;
- }
- possible_values.put(choice,desc);
- }
-
- public void removeChoice(Object choice) {
- possible_values.remove(choice);
- }
-
- public Enumeration choices() {
- return possible_values.keys();
- }
- public String getDescription(String choice) {
- return (String)possible_values.get(choice);
- }
- public boolean isPossibleValue(Object value) {
- Enumeration e=possible_values.keys();
- boolean flag=false;
- while(e.hasMoreElements()) {
- Object o=e.nextElement();
- if(value.equals(o)) {
- flag=true;
- break;
- }
- //System.err.println((String)value + " <> " + (String)o);
- }
- return flag;
- }
- public String getType() {
- return "choice";
- }
- }