| /* |
| * Copyright (c) 2003 The Visigoth Software Society. 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 acknowledgement: |
| * "This product includes software developed by the |
| * Visigoth Software Society (http://www.visigoths.org/)." |
| * Alternately, this acknowledgement may appear in the software itself, |
| * if and wherever such third-party acknowledgements normally appear. |
| * |
| * 4. Neither the name "FreeMarker", "Visigoth", nor any of the names of the |
| * project contributors may be used to endorse or promote products derived |
| * from this software without prior written permission. For written |
| * permission, please contact visigoths@visigoths.org. |
| * |
| * 5. Products derived from this software may not be called "FreeMarker" or "Visigoth" |
| * nor may "FreeMarker" or "Visigoth" appear in their names |
| * without prior written permission of the Visigoth Software Society. |
| * |
| * 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 VISIGOTH SOFTWARE SOCIETY 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 Visigoth Software Society. For more |
| * information on the Visigoth Software Society, please see |
| * http://www.visigoths.org/ |
| */ |
| |
| package freemarker.ext.servlet; |
| |
| import javax.servlet.GenericServlet; |
| import javax.servlet.ServletContext; |
| |
| import freemarker.template.ObjectWrapper; |
| import freemarker.template.TemplateHashModel; |
| import freemarker.template.TemplateModel; |
| import freemarker.template.TemplateModelException; |
| |
| /** |
| * TemplateHashModel wrapper for a ServletContext attributes. |
| * @author Attila Szegedi |
| */ |
| public final class ServletContextHashModel implements TemplateHashModel |
| { |
| private final GenericServlet servlet; |
| private final ServletContext servletctx; |
| private final ObjectWrapper wrapper; |
| |
| public ServletContextHashModel( |
| GenericServlet servlet, ObjectWrapper wrapper) |
| { |
| this.servlet = servlet; |
| this.servletctx = servlet.getServletContext(); |
| this.wrapper = wrapper; |
| } |
| |
| /** |
| * @deprecated use |
| * {@link #ServletContextHashModel(GenericServlet, ObjectWrapper)} instead. |
| */ |
| public ServletContextHashModel( |
| ServletContext servletctx, ObjectWrapper wrapper) |
| { |
| this.servlet = null; |
| this.servletctx = servletctx; |
| this.wrapper = wrapper; |
| } |
| |
| public TemplateModel get(String key) throws TemplateModelException |
| { |
| return wrapper.wrap(servletctx.getAttribute(key)); |
| } |
| |
| public boolean isEmpty() |
| { |
| return !servletctx.getAttributeNames().hasMoreElements(); |
| } |
| |
| /** |
| * Returns the underlying servlet. Can return null if this object was |
| * created using the deprecated constructor. |
| */ |
| public GenericServlet getServlet() |
| { |
| return servlet; |
| } |
| } |