2 * Copyright (C) 2015 Roland Haeder
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 java.util.Arrays;
21 import javax.faces.application.FacesMessage;
22 import javax.faces.component.UIComponent;
23 import javax.faces.component.UIInput;
24 import javax.faces.component.ValueHolder;
25 import javax.faces.context.FacesContext;
26 import javax.faces.validator.Validator;
27 import javax.faces.validator.ValidatorException;
28 import org.mxchange.jcoree.BaseEeSystem;
29 import org.mxchange.jcoreee.validator.BaseObjectValidator;
32 * A general boolean value validator.
35 * @author Roland Haeder
37 public abstract class BaseBooleanValidator extends BaseObjectValidator implements Validator {
40 public void preValidate (final FacesContext context, final UIComponent component, final Object value, final String[] requiredFields) throws ValidatorException {
42 this.getLogger().logTrace(MessageFormat.format("context={0},component={1},value={2},requiredFields={3} - CALLED!", context, component, value, Arrays.toString(requiredFields))); //NOI18N
45 super.preValidate(context, component, value, requiredFields);
47 // Get client id and init message + key
48 String clientId = component.getClientId();
49 FacesMessage facesMessage = null;
51 // So far all fine, no check if the field is fine
52 for (final String field : requiredFields) {
54 this.getLogger().logDebug(MessageFormat.format("field={0},clientId={1}", field, clientId)); //NOI18N
57 if (clientId.endsWith(field)) {
58 // Compare value's type
59 if (!(value instanceof Boolean)) {
60 // Value is not right type
61 facesMessage = new FacesMessage(BaseEeSystem.getMessageStringFromKey(String.format("error.%s.is_not_boolean", field))); //NOI18N
66 Boolean bool = (Boolean) value;
69 if (bool.equals(Boolean.FALSE)) {
71 String requiredMessage = ((UIInput) component).getRequiredMessage();
73 if (null == requiredMessage) {
74 Object label = component.getAttributes().get("label"); //NOI18N
76 // Check if label is null, or zero length
77 if ((null == label) || (label instanceof CharSequence && ((CharSequence) label).length() == 0)) {
78 label = component.getValueExpression("label"); //NOI18N
81 // Label is still null?
83 label = component.getClientId(context);
87 requiredMessage = MessageFormat.format(UIInput.REQUIRED_MESSAGE_ID, label);
89 // Set value to false in UI component
90 ((ValueHolder) component).setValue(Boolean.FALSE);
93 // Abort processing here
94 facesMessage = new FacesMessage(FacesMessage.SEVERITY_ERROR, requiredMessage, requiredMessage);
100 // Is facesMessage set?
101 if (facesMessage != null) {
103 throw new ValidatorException(facesMessage);