Java tutorial
/** * Copyright (c) 2009--2010 Red Hat, Inc. * * This software is licensed to you under the GNU General Public License, * version 2 (GPLv2). There is NO WARRANTY for this software, express or * implied, including the implied warranties of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2 * along with this software; if not, see * http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. * * Red Hat trademarks are not licensed under GPLv2. No permission is * granted to use or replicate Red Hat trademarks that are incorporated * in this software or its documentation. */ package com.redhat.rhn.frontend.taglibs; import com.redhat.rhn.common.localization.LocalizationService; import com.redhat.rhn.frontend.html.HtmlTag; import org.apache.commons.lang.StringUtils; import java.io.IOException; import javax.servlet.jsp.JspException; import javax.servlet.jsp.JspWriter; import javax.servlet.jsp.tagext.TagSupport; /** * ToolTip * Renders <span class="small-text"><strong>Tip:</strong>Take Vacations.</span> * @version $Rev$ */ public class ToolTipTag extends TagSupport { /** * Comment for <code>serialVersionUID</code> */ private static final long serialVersionUID = 7202597580376186072L; private String key; private String typeKey = "Tip"; /** * Sets the key * @param k the i18n key to set */ public void setKey(String k) { key = k; } /** * Sets the type to render, example "Tip", "Warning", "Note"... * @param typeKeyIn the String resources key of the type.. */ public void setTypeKey(String typeKeyIn) { typeKey = typeKeyIn; } /** * {@inheritDoc} */ @Override public int doStartTag() throws JspException { LocalizationService ls = LocalizationService.getInstance(); HtmlTag strong = new HtmlTag("strong"); strong.addBody(ls.getMessage(geTypeKey()) + ": "); JspWriter writer = pageContext.getOut(); try { writer.write("<p class=\"small-text\">"); writer.write(strong.render()); if (!StringUtils.isBlank(key)) { writer.write(ls.getMessage(key)); } return EVAL_BODY_INCLUDE; } catch (IOException e) { throw new JspException(e); } } protected String geTypeKey() { if (StringUtils.isBlank(typeKey)) { return "Tip"; } return typeKey; } /** * {@inheritDoc} */ public int doEndTag() throws JspException { JspWriter writer = pageContext.getOut(); try { writer.write("</p>"); } catch (IOException e) { throw new JspException(e); } return SKIP_BODY; } /** * {@inheritDoc} */ public void release() { typeKey = "Tip"; key = null; super.release(); } }