com.liferay.taglib.faces.validator.EmailAddressValidator.java Source code

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Here is the source code for com.liferay.taglib.faces.validator.EmailAddressValidator.java

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/**
 * Copyright (c) 2000-2012 Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.taglib.faces.validator;

import com.liferay.portal.kernel.language.LanguageUtil;
import com.liferay.portal.kernel.util.Validator;

import java.util.Locale;

import javax.faces.application.FacesMessage;
import javax.faces.component.StateHolder;
import javax.faces.component.UIComponent;
import javax.faces.context.ExternalContext;
import javax.faces.context.FacesContext;
import javax.faces.validator.ValidatorException;

import org.apache.commons.validator.EmailValidator;

/**
 * @author Neil Griffin
 */
public class EmailAddressValidator implements StateHolder, javax.faces.validator.Validator {

    public void restoreState(FacesContext facesContext, Object obj) {
    }

    public Object saveState(FacesContext facesContext) {
        return null;
    }

    public void validate(FacesContext facesContext, UIComponent uiComponent, Object obj) throws ValidatorException {

        ExternalContext externalContext = facesContext.getExternalContext();

        Locale locale = externalContext.getRequestLocale();

        if (obj instanceof String) {
            String emailAddress = (String) obj;

            if (Validator.isNotNull(emailAddress)) {
                if (!EmailValidator.getInstance().isValid(emailAddress)) {
                    String summary = LanguageUtil.get(locale, "please-enter-a-valid-email-address");

                    FacesMessage facesMessage = new FacesMessage(FacesMessage.SEVERITY_ERROR, summary, null);

                    throw new ValidatorException(facesMessage);
                }
            }
        } else {
            String summary = LanguageUtil.format(locale,
                    "validator-expected-type-string,-but-instead-received-type-x", obj.getClass().getName());

            FacesMessage facesMessage = new FacesMessage(FacesMessage.SEVERITY_ERROR, summary, null);

            throw new ValidatorException(facesMessage);
        }
    }

    public boolean isTransient() {
        return _transient;
    }

    public void setTransient(boolean value) {
        _transient = value;
    }

    private boolean _transient;

}