| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| BaseTemplateEngineService |
|
| 1.6;1,6 |
| 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 | import org.apache.commons.configuration.Configuration; | |
| 27 | import org.apache.turbine.services.TurbineBaseService; | |
| 28 | ||
| 29 | /** | |
| 30 | * The base implementation of Turbine {@link | |
| 31 | * org.apache.turbine.services.template.TemplateEngineService}. | |
| 32 | * | |
| 33 | * @author <a href="mailto:dlr@finemaltcoding.com">Daniel Rall</a> | |
| 34 | * @author <a href="mailto:jvanzyl@apache.org">Jason van Zyl</a> | |
| 35 | * @version $Id: BaseTemplateEngineService.java 1078552 2011-03-06 19:58:46Z tv $ | |
| 36 | */ | |
| 37 | 22 | public abstract class BaseTemplateEngineService |
| 38 | extends TurbineBaseService | |
| 39 | implements TemplateEngineService | |
| 40 | { | |
| 41 | /** | |
| 42 | * A Map containing the configuration for the template | |
| 43 | * engine service. The configuration contains: | |
| 44 | * | |
| 45 | * 1) template extensions | |
| 46 | * 2) default page | |
| 47 | * 3) default screen | |
| 48 | * 4) default layout | |
| 49 | * 5) default navigation | |
| 50 | * 6) default error screen | |
| 51 | */ | |
| 52 | 22 | private final Hashtable<String, Object> configuration = new Hashtable<String, Object>(); |
| 53 | ||
| 54 | /** | |
| 55 | * @see org.apache.turbine.services.template.TemplateEngineService#registerConfiguration | |
| 56 | */ | |
| 57 | public void registerConfiguration(String defaultExt) | |
| 58 | { | |
| 59 | 26 | initConfiguration(defaultExt); |
| 60 | 26 | TurbineTemplate.registerTemplateEngineService(this); |
| 61 | 26 | } |
| 62 | ||
| 63 | /** | |
| 64 | * @see org.apache.turbine.services.template.TemplateEngineService#getTemplateEngineServiceConfiguration | |
| 65 | */ | |
| 66 | public Hashtable<String, Object> getTemplateEngineServiceConfiguration() | |
| 67 | { | |
| 68 | 60 | return configuration; |
| 69 | } | |
| 70 | ||
| 71 | /** | |
| 72 | * @see org.apache.turbine.services.template.TemplateEngineService#getAssociatedFileExtensions | |
| 73 | */ | |
| 74 | public String[] getAssociatedFileExtensions() | |
| 75 | { | |
| 76 | 26 | return (String[]) configuration.get(TEMPLATE_EXTENSIONS); |
| 77 | } | |
| 78 | ||
| 79 | /** | |
| 80 | * Initialize the Template Engine Service. | |
| 81 | * | |
| 82 | * Note engine file extension associations. First attempts to | |
| 83 | * pull a list of custom extensions from the property file value | |
| 84 | * keyed by <code>template.extension</code>. If none are defined, | |
| 85 | * uses the value keyed by | |
| 86 | * <code>template.default.extension</code>, defaulting to the | |
| 87 | * emergency value supplied by <code>defaultExt</code>. | |
| 88 | * | |
| 89 | * @param defaultExt The default used when the default defined in the | |
| 90 | * properties file is missing or misconfigured. | |
| 91 | */ | |
| 92 | protected void initConfiguration(String defaultExt) | |
| 93 | { | |
| 94 | 26 | Configuration config = getConfiguration(); |
| 95 | ||
| 96 | // | |
| 97 | // Should modify the configuration class to take defaults | |
| 98 | // here, should have to do this. | |
| 99 | // | |
| 100 | 26 | String[] fileExtensionAssociations = |
| 101 | config.getStringArray(TEMPLATE_EXTENSIONS); | |
| 102 | ||
| 103 | 26 | if (fileExtensionAssociations == null || |
| 104 | fileExtensionAssociations.length == 0) | |
| 105 | { | |
| 106 | 0 | fileExtensionAssociations = new String[1]; |
| 107 | 0 | fileExtensionAssociations[0] = config.getString( |
| 108 | DEFAULT_TEMPLATE_EXTENSION, defaultExt); | |
| 109 | } | |
| 110 | ||
| 111 | 26 | configuration.put(TEMPLATE_EXTENSIONS, fileExtensionAssociations); |
| 112 | ||
| 113 | /* | |
| 114 | * We need some better error checking here and should probably | |
| 115 | * throw an exception here if these things aren't set | |
| 116 | * up correctly. | |
| 117 | */ | |
| 118 | ||
| 119 | 26 | String[] copyParams = { |
| 120 | DEFAULT_PAGE, | |
| 121 | DEFAULT_SCREEN, | |
| 122 | DEFAULT_LAYOUT, | |
| 123 | DEFAULT_NAVIGATION, | |
| 124 | DEFAULT_ERROR_SCREEN, | |
| 125 | DEFAULT_LAYOUT_TEMPLATE, | |
| 126 | DEFAULT_SCREEN_TEMPLATE | |
| 127 | }; | |
| 128 | ||
| 129 | 208 | for (int i = 0; i < copyParams.length; i++) |
| 130 | { | |
| 131 | 182 | configuration.put(copyParams[i], config.getString(copyParams[i], "")); |
| 132 | } | |
| 133 | 26 | } |
| 134 | ||
| 135 | /** | |
| 136 | * @see org.apache.turbine.services.template.TemplateEngineService#templateExists | |
| 137 | */ | |
| 138 | public abstract boolean templateExists(String template); | |
| 139 | } |