2 * Copyright (C) 2016, 2017 Roland Häder
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 package org.mxchange.jcoreee.validator.bool;
19 import java.text.MessageFormat;
20 import javax.faces.application.FacesMessage;
21 import javax.faces.component.UIComponent;
22 import javax.faces.component.UIInput;
23 import javax.faces.component.ValueHolder;
24 import javax.faces.context.FacesContext;
25 import javax.faces.validator.Validator;
26 import javax.faces.validator.ValidatorException;
27 import org.mxchange.jcoreee.validator.BaseObjectValidator;
30 * A general boolean value validator.
33 * @author Roland Häder<roland@mxchange.org>
35 public abstract class BaseBooleanValidator extends BaseObjectValidator implements Validator {
40 private static final long serialVersionUID = 42_378_178_715_910_689L;
43 public void preValidate (final FacesContext context, final UIComponent component, final Object value, final String[] requiredFields, boolean allowNull) throws ValidatorException {
45 //* NOISY-DEBUG: */ System.out.println(MessageFormat.format("preValidate: context={0},component={1},value={2},requiredFields={3} - CALLED!", context, component, value, Arrays.toString(requiredFields))); //NOI18N
48 super.preValidate(context, component, value, requiredFields, allowNull);
50 // Get client id and init message + key
51 String clientId = component.getClientId();
52 FacesMessage facesMessage = null;
53 String requiredMessage;
55 // So far all fine, no check if the field is fine
56 for (final String field : requiredFields) {
58 //this.getLogger().logDebug(MessageFormat.format("preValidate: field={0},clientId={1}", field, clientId)); //NOI18N
61 if (clientId.endsWith(field)) {
62 // Compare value's type
63 if (!(value instanceof Boolean)) {
65 requiredMessage = MessageFormat.format("Field {0} is not Boolean: {1}", field, value); //NOI18N
67 // Value is not right type
68 facesMessage = new FacesMessage(FacesMessage.SEVERITY_ERROR, requiredMessage, requiredMessage); //NOI18N
73 Boolean bool = (Boolean) value;
76 if (bool.equals(Boolean.FALSE)) {
78 requiredMessage = ((UIInput) component).getRequiredMessage();
80 if (null == requiredMessage) {
81 Object label = component.getAttributes().get("label"); //NOI18N
83 // Check if label is null, or zero length
84 if ((null == label) || (label instanceof CharSequence && ((CharSequence) label).length() == 0)) {
85 label = component.getValueExpression("label"); //NOI18N
88 // Label is still null?
90 label = component.getClientId(context);
94 requiredMessage = MessageFormat.format(UIInput.REQUIRED_MESSAGE_ID, label);
96 // Set value to false in UI component
97 ((ValueHolder) component).setValue(Boolean.FALSE);
100 // Abort processing here
101 facesMessage = new FacesMessage(FacesMessage.SEVERITY_ERROR, requiredMessage, requiredMessage);
107 // Is facesMessage set?
108 if (null != facesMessage) {
110 throw new ValidatorException(facesMessage);