2 * Copyright (C) 2016 - 2020 Free Software Foundation
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU Affero General Public License as
6 * published by the Free Software Foundation, either version 3 of the
7 * License, or (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 Affero General Public License for more details.
14 * You should have received a copy of the GNU Affero General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 package org.mxchange.pizzaapplication.validator.url;
19 import java.text.MessageFormat;
20 import java.util.regex.Pattern;
21 import javax.faces.application.FacesMessage;
22 import javax.faces.component.UIComponent;
23 import javax.faces.context.FacesContext;
24 import javax.faces.validator.FacesValidator;
25 import javax.faces.validator.ValidatorException;
26 import org.mxchange.jcoreee.validator.string.BaseStringValidator;
29 * A validator for URL vallidation (only regex, but allow empty value if
32 * @author Roland Häder<roland@mxchange.org>
34 @FacesValidator ("UrlValidator")
35 public class PizzaUrlValidator extends BaseStringValidator {
40 private static final Pattern PATTERN_MATCHER = Pattern.compile(PizzaUrlValidator.URL_REGEX);
45 private static final String URL_REGEX = "(http|https):\\/\\/[\\w\\-_]+(\\.[\\w\\-_]+)+([\\w\\-\\.,@?^=%&:/~\\+#]*[\\w\\-\\@?^=%&/~\\+#])?"; //NOI18N
50 private static final long serialVersionUID = 187_536_745_607_193L;
53 public void validate (final FacesContext context, final UIComponent component, final Object value) throws ValidatorException {
55 final String[] requiredFields = {"companyWebsiteUrl"}; //NOI18N
57 // Default is to reject empty email address fields
58 Boolean allowEmptyValue = Boolean.FALSE;
60 // Is attribute "allowEmptyValue" set?
61 if (component.getAttributes().containsKey("allowEmptyValue")) { //NOI18N
63 Object attribute = component.getAttributes().get("allowEmptyValue"); //NOI18N
65 // Make sure, it is Boolean as no String is accepted anymore
66 if (!(attribute instanceof String)) {
67 // Not valid attribute, please use "true" or "false" (default)
68 throw new IllegalArgumentException("allowEmptyValue must be of type String. Please use \"true\" or \"false\" for f:attribute value."); //NOI18N
72 allowEmptyValue = Boolean.parseBoolean((String) attribute);
75 // Pre-validation (example: not null, not a string, empty string ...)
76 super.preValidate(context, component, value, requiredFields, allowEmptyValue);
78 // Is the email address empty and allowed?
79 if (null == value && allowEmptyValue) {
80 // Then accept this here
82 } else if (null == value) {
84 throw new ValidatorException(new FacesMessage("No empty URL allowed.")); //NOI18N
87 // Get string from object ... ;-)
88 final String url = String.valueOf(value).trim();
90 // Checks if the email address matches a regex ("low-level" check)
91 // @TODO Should also be done by <f:validatorRegex />)
92 final boolean matches = PATTERN_MATCHER.matcher(url).matches(); //NOI18N
94 // Is the email address valid?
97 String message = MessageFormat.format("URL {0} does not match regular expression.", url); //NOI18N
100 throw new ValidatorException(new FacesMessage(FacesMessage.SEVERITY_WARN, message, message));