1 /* 
2  * Copyright 2005 Paul Hinds
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package org.tp23.antinstaller.input;
17
18
19import java.util.MissingResourceException;
20import java.util.ResourceBundle;
21
22import org.tp23.antinstaller.InstallerContext;
23import org.tp23.antinstaller.ValidationException;
24
25
26
27/**
28 *
29 * <p>Input type to choose a single value from a (numbered) list of options </p>
30 * <p>N.B. subclassed for TargetSelectInput </p>
31 * <p>Copyright: Copyright (c) 2004</p>
32 * <p>Company: tp23</p>
33 * @author Paul Hinds
34 * @version $Id: SelectInput.java,v 1.4 2006/12/07 02:50:27 teknopaul Exp $
35 */
36public class SelectInput
37    extends InputField{
38
39    // i18n support
40    private static ResourceBundle langPack = null;
41    private int optionIdx = 0;
42    static{
43        try {
44            langPack = ResourceBundle.getBundle("resources.LanguagePack");
45        } catch (MissingResourceException e) {
46            // ignore, signifies no lang packs installed  
47        }
48    }
49
50    private SelectInput.Option[] options;
51
52    public SelectInput() {
53    }
54
55
56    public SelectInput.Option[] getOptions() {
57        return options;
58    }
59
60    public void setOptions(SelectInput.Option[] options) {
61        this.options = options;
62    }
63    public Option getNewOption(){
64        return new Option();
65    }
66    
67    public class Option {
68        
69        private int idx = ++optionIdx;
70        private String text;
71        public String value;
72        
73        public void setText(String text) {
74            this.text = text;
75        }
76        public String getText() {
77            if(langPack != null){
78                return langPack.getString(getProperty() + "." + idx +".displayText");
79            }
80            return text;
81        }
82    }
83    
84    public void setValue(String value){
85        setInputResult(value);
86    }
87    
88    public boolean validate(InstallerContext cxt) throws ValidationException{
89        if(getInputResult() == null){
90            return false;
91        }
92        String value = getInputResult();
93        boolean ok = false;
94        for (int i = 0; i < options.length; i++) {
95            ok |= options[i].value.equals(value);
96        }
97        return ok;
98    }
99
00
01
02    /**
03     * Used by checkConfig to validate the configuration file.
04     * Not used at runtime.
05     * @return boolean
06     */
07    public boolean validateObject() {
08        if(getDisplayText()==null){
09            System.out.println("Select:displayText must be set");
10            return false;
11        }
12        if(getProperty()==null){
13            System.out.println("Select:property must be set");
14            return false;
15        }
16        if(getDefaultValue()==null){
17            System.out.println("Select:defaultValue must be set");
18            return false;
19        }
20        if(getOptions()==null){
21            System.out.println("Select:option must have at least two options");
22            return false;
23        }
24        if(getOptions().length<2){
25            System.out.println("Select:option must have at least two options");
26            return false;
27        }
28        for (int i = 0; i < getOptions().length; i++) {
29            Option o = getOptions()[i];
30            if(o.getText()==null){
31                System.out.println("Select:option:text must be set");
32                return false;
33            }
34            if(o.value==null){
35                System.out.println("Select:option:value must be set");
36                return false;
37            }
38        }
39        boolean defaultExists = false;
40        for (int i = 0; i < getOptions().length; i++) {
41            Option o = getOptions()[i];
42            if(o.value.equals(getDefaultValue())){
43                defaultExists=true;
44            }
45        }
46        if(!defaultExists){
47            System.out.println("Select:option:Default must be one of the options");
48            return false;
49        }
50        return true;
51    }
52}
53