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.jsfcore.validator.string;
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.context.FacesContext;
24 import javax.faces.validator.ValidatorException;
25 import org.mxchange.jsfcore.validator.BaseObjectValidator;
28 * A general string validation class. You normally want to inherit from this
29 * class for many form fields, e.g. surname, street name, city name and such.
31 * @author Roland Haeder
33 public abstract class BaseStringValidator extends BaseObjectValidator {
36 * Pre-validation of value, e.g. not null
38 * @param context FacesContext instance
39 * @param component UIComponent instance
40 * @param value Value to check
41 * @param requiredFields Array of required field names (ending with)
42 * @throws ValidatorException If something more horrible went wrong
45 protected void preValidate (final FacesContext context, final UIComponent component, final Object value, final String[] requiredFields) throws ValidatorException {
47 this.getLogger().trace(MessageFormat.format("context={0},component={1},value={2},fields={3} - CALLED!", context, component, value, Arrays.toString(requiredFields))); //NOI18N
49 // Pre-validate (e.g. on null)
50 super.preValidate(context, component, value, requiredFields);
52 // Get client id and init message + key
53 String clientId = component.getClientId();
54 FacesMessage facesMessage = null;
58 for (final String field : requiredFields) {
60 this.getLogger().debug(MessageFormat.format("field={0},clientId={1}", field, clientId)); //NOI18N
63 if (clientId.endsWith(field)) {
64 if (!(value instanceof String)) {
66 errKey = String.format("error.%s.is_not_string", field); //NOI18N
68 facesMessage = new FacesMessage(this.getMessageStringFromKey(errKey));
72 String str = (String) value;
77 errKey = String.format("error.%s.is_empty", field); //NOI18N
79 facesMessage = new FacesMessage(this.getMessageStringFromKey(errKey));
85 this.getLogger().debug(MessageFormat.format("facesMessage={0}", facesMessage)); //NOI18N
88 if (null != facesMessage) {
89 throw new ValidatorException(facesMessage);
93 this.getLogger().trace("EXIT!"); //NOI18N