/*
* Copyright 2009 Prime Technology.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.primefaces.examples.validate;
import java.util.Map;
import java.util.regex.Pattern;
import javax.faces.application.FacesMessage;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.validator.FacesValidator;
import javax.faces.validator.Validator;
import javax.faces.validator.ValidatorException;
import org.primefaces.validate.ClientValidator;
/**
* Custom JSF Validator for Email input
*/
@FacesValidator("custom.emailValidator")
public class EmailValidator implements Validator, ClientValidator {
private Pattern pattern;
private static final String EMAIL_PATTERN = "^[_A-Za-z0-9-\\+]+(\\.[_A-Za-z0-9-]+)*@"
+ "[A-Za-z0-9-]+(\\.[A-Za-z0-9]+)*(\\.[A-Za-z]{2,})$";
public EmailValidator() {
pattern = Pattern.compile(EMAIL_PATTERN);
}
public void validate(FacesContext context, UIComponent component, Object value) throws ValidatorException {
if(value == null) {
return;
}
if(!pattern.matcher(value.toString()).matches()) {
throw new ValidatorException(new FacesMessage(FacesMessage.SEVERITY_ERROR, "Validation Error",
value + " is not a valid email;"));
}
}
public Map<String, Object> getMetadata() {
return null;
}
public String getValidatorId() {
return "custom.emailValidator";
}
}