com.liferay.util.bridges.jsf.common.SelectItemList.java Source code

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Here is the source code for com.liferay.util.bridges.jsf.common.SelectItemList.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.util.bridges.jsf.common;

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

import java.util.ArrayList;
import java.util.Locale;

import javax.faces.context.FacesContext;
import javax.faces.model.SelectItem;

/**
 * <p>
 * This class provides a convenient way of building lists of JSF SelectItem
 * objects, and convenience method for operating against them.
 * </p>
 *
 * @author Neil Griffin
 */
public class SelectItemList extends ArrayList<SelectItem> {

    public void prependEmptySelectItem(FacesContext facesContext) {
        Locale locale = facesContext.getExternalContext().getRequestLocale();

        Object value = StringPool.BLANK;
        String label = LanguageUtil.get(locale, "select");

        add(0, new SelectItem(value, label));
    }

}