Coverage Report - org.apache.turbine.services.template.TemplateEngineService
 
Classes in this File Line Coverage Branch Coverage Complexity
TemplateEngineService
N/A
N/A
1
 
 1  
 package org.apache.turbine.services.template;
 2  
 
 3  
 
 4  
 /*
 5  
  * Licensed to the Apache Software Foundation (ASF) under one
 6  
  * or more contributor license agreements.  See the NOTICE file
 7  
  * distributed with this work for additional information
 8  
  * regarding copyright ownership.  The ASF licenses this file
 9  
  * to you under the Apache License, Version 2.0 (the
 10  
  * "License"); you may not use this file except in compliance
 11  
  * with the License.  You may obtain a copy of the License at
 12  
  *
 13  
  *   http://www.apache.org/licenses/LICENSE-2.0
 14  
  *
 15  
  * Unless required by applicable law or agreed to in writing,
 16  
  * software distributed under the License is distributed on an
 17  
  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 18  
  * KIND, either express or implied.  See the License for the
 19  
  * specific language governing permissions and limitations
 20  
  * under the License.
 21  
  */
 22  
 
 23  
 
 24  
 import java.util.Hashtable;
 25  
 
 26  
 /**
 27  
  * This is the interface that all template engine services must adhere
 28  
  * to. This includes the Velocity, WebMacro, FreeMarker, and JSP
 29  
  * services.
 30  
  *
 31  
  * @author <a href="mailto:jvanzyl@apache.org">Jason van Zyl</a>
 32  
  * @author <a href="mailto:dlr@finemaltcoding.com">Daniel Rall</a>
 33  
  * @version $Id: TemplateEngineService.java 1078552 2011-03-06 19:58:46Z tv $ */
 34  
 public interface TemplateEngineService
 35  
 {
 36  
     static final String TEMPLATE_EXTENSIONS = "template.extension";
 37  
     static final String DEFAULT_TEMPLATE_EXTENSION = "template.default.extension";
 38  
     static final String DEFAULT_PAGE = "default.page";
 39  
     static final String DEFAULT_SCREEN = "default.screen";
 40  
     static final String DEFAULT_LAYOUT = "default.layout";
 41  
     static final String DEFAULT_NAVIGATION = "default.navigation";
 42  
     static final String DEFAULT_ERROR_SCREEN = "default.error.screen";
 43  
     static final String DEFAULT_LAYOUT_TEMPLATE = "default.layout.template";
 44  
     static final String DEFAULT_SCREEN_TEMPLATE = "default.screen.template";
 45  
     static final String DEFAULT_NAVIGATION_TEMPLATE = "default.navigation.template";
 46  
 
 47  
     /**
 48  
      * Return the configuration of the template engine in
 49  
      * the form of a Hashtable.
 50  
      */
 51  
     Hashtable<String, Object> getTemplateEngineServiceConfiguration();
 52  
 
 53  
     /**
 54  
      * Initializes file extension associations and registers with the
 55  
      * template service.
 56  
      *
 57  
      * @param defaultExt The default file extension association to use
 58  
      *                   in case of properties file misconfiguration.
 59  
      */
 60  
     void registerConfiguration(String defaultExt);
 61  
 
 62  
     /**
 63  
      * Supplies the file extension to key this engine in {@link
 64  
      * org.apache.turbine.services.template.TemplateService}'s
 65  
      * registry with.
 66  
      */
 67  
     String[] getAssociatedFileExtensions();
 68  
 
 69  
     /**
 70  
      * Use the specific template engine to determine whether
 71  
      * a given template exists. This allows Turbine the TemplateService
 72  
      * to delegate the search for a template to the template
 73  
      * engine being used for the view. This gives us the
 74  
      * advantage of fully utilizing the capabilities of
 75  
      * template engine with respect to retrieving templates
 76  
      * from arbitrary sources.
 77  
      *
 78  
      * @param template The name of the template to check the existance of.
 79  
      * @return         Whether the specified template exists.
 80  
      */
 81  
     boolean templateExists(String template);
 82  
 }