| package org.apache.turbine.services.jsp.tags; |
| |
| /* ==================================================================== |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2001 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, |
| * if any, must include the following acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Apache" and "Apache Software Foundation" and |
| * "Apache Turbine" must not be used to endorse or promote products |
| * derived from this software without prior written permission. For |
| * written permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache", |
| * "Apache Turbine", nor may "Apache" appear in their name, without |
| * prior written permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| |
| import java.io.IOException; |
| import javax.servlet.jsp.JspException; |
| import javax.servlet.jsp.PageContext; |
| import javax.servlet.jsp.tagext.TagSupport; |
| import org.apache.turbine.modules.NavigationLoader; |
| import org.apache.turbine.services.TurbineServices; |
| import org.apache.turbine.services.jsp.JspService; |
| import org.apache.turbine.services.template.TemplateService; |
| import org.apache.turbine.util.Log; |
| import org.apache.turbine.util.RunData; |
| import org.apache.turbine.util.template.TemplateInfo; |
| |
| /** |
| * Supporting class for the bodyAttributes tag. |
| * Sends the contents of the a screen's body tag's attributes |
| * parameter to the output stream. If the screen did not set |
| * the attributes parameter, a default may be used if specified |
| * in this tag. Example usage: |
| * <body <x:bodyAttributes default='onLoad="jsfunc()"' />> |
| * |
| * @author <a href="mailto:john.mcnally@clearink.com">John D. McNally</a> |
| */ |
| public class NavigationTag extends TagSupport |
| { |
| /** |
| * template parameter defines the template whose contents will replace |
| * this tag in the layout. |
| */ |
| private String template; |
| |
| /** |
| * The setter for template parameter |
| */ |
| public void setTemplate(String template) |
| { |
| this.template = template; |
| } |
| |
| /** |
| * Method called when the tag is encountered to send the navigation |
| * template's contents to the output stream |
| * |
| * @return SKIP_BODY, as it is intended to be a single tag. |
| */ |
| public int doStartTag() throws JspException |
| { |
| RunData data = (RunData)pageContext |
| .getAttribute(JspService.RUNDATA, PageContext.REQUEST_SCOPE); |
| data.getTemplateInfo().setNavigationTemplate(template); |
| String module = null; |
| try |
| { |
| pageContext.getOut().flush(); |
| module = ((TemplateService)TurbineServices.getInstance().getService( |
| TemplateService.SERVICE_NAME)).getNavigationName(template); |
| NavigationLoader.getInstance().exec(data, module); |
| } |
| catch (Exception e) |
| { |
| String message = "Error processing navigation template:" + |
| template + " using module: " + module; |
| Log.error(message, e); |
| try |
| { |
| data.getOut().print("Error processing navigation template: " |
| + template + " using module: " + module); |
| } |
| catch(java.io.IOException ioe) {} |
| } |
| return SKIP_BODY; |
| } |
| } |