| /* |
| * Copyright (c) 2013, 2018 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0, which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * This Source Code may also be made available under the following Secondary |
| * Licenses when the conditions for such availability set forth in the |
| * Eclipse Public License v. 2.0 are satisfied: GNU General Public License, |
| * version 2 with the GNU Classpath Exception, which is available at |
| * https://www.gnu.org/software/classpath/license.html. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 |
| */ |
| |
| package org.glassfish.jersey.server.mvc.mustache; |
| |
| import javax.ws.rs.ConstrainedTo; |
| import javax.ws.rs.RuntimeType; |
| import javax.ws.rs.core.Configuration; |
| import javax.ws.rs.core.Feature; |
| import javax.ws.rs.core.FeatureContext; |
| |
| import org.glassfish.jersey.server.mvc.MvcFeature; |
| |
| /** |
| * {@link Feature} used to add support for {@link MvcFeature MVC} and Mustache templates. |
| * <p/> |
| * Note: This feature also registers {@link MvcFeature}. |
| * |
| * @author Michal Gajdos |
| * @since 2.3 |
| */ |
| @ConstrainedTo(RuntimeType.SERVER) |
| public class MustacheMvcFeature implements Feature { |
| |
| private static final String SUFFIX = ".mustache"; |
| |
| /** |
| * {@link String} property defining the base path to Mustache templates. If set, the value of the property is added in front |
| * of the template name defined in: |
| * <ul> |
| * <li>{@link org.glassfish.jersey.server.mvc.Viewable Viewable}</li> |
| * <li>{@link org.glassfish.jersey.server.mvc.Template Template}, or</li> |
| * <li>{@link org.glassfish.jersey.server.mvc.ErrorTemplate ErrorTemplate}</li> |
| * </ul> |
| * <p/> |
| * Value can be absolute providing a full path to a system directory with templates or relative to current |
| * {@link javax.servlet.ServletContext servlet context}. |
| * <p/> |
| * There is no default value. |
| * <p/> |
| * The name of the configuration property is <tt>{@value}</tt>. |
| */ |
| public static final String TEMPLATE_BASE_PATH = MvcFeature.TEMPLATE_BASE_PATH + SUFFIX; |
| |
| /** |
| * If {@code true} then enable caching of Mustache templates to avoid multiple compilation. |
| * <p/> |
| * The default value is {@code false}. |
| * <p/> |
| * The name of the configuration property is <tt>{@value}</tt>. |
| * |
| * @since 2.5 |
| */ |
| public static final String CACHE_TEMPLATES = MvcFeature.CACHE_TEMPLATES + SUFFIX; |
| |
| /** |
| * Property used to pass user-configured {@link com.github.mustachejava.MustacheFactory factory} able to create |
| * {@link com.github.mustachejava.Mustache Mustache templates}. |
| * <p/> |
| * The default value is not set. |
| * <p/> |
| * The name of the configuration property is <tt>{@value}</tt>. |
| * |
| * @since 2.5 |
| */ |
| public static final String TEMPLATE_OBJECT_FACTORY = MvcFeature.TEMPLATE_OBJECT_FACTORY + SUFFIX; |
| |
| /** |
| * Property defines output encoding produced by {@link org.glassfish.jersey.server.mvc.spi.TemplateProcessor}. |
| * The value must be a valid encoding defined that can be passed |
| * to the {@link java.nio.charset.Charset#forName(String)} method. |
| * |
| * <p/> |
| * The default value is {@code UTF-8}. |
| * <p/> |
| * The name of the configuration property is <tt>{@value}</tt>. |
| * <p/> |
| * |
| * @since 2.7 |
| */ |
| public static final String ENCODING = MvcFeature.ENCODING + SUFFIX; |
| |
| @Override |
| public boolean configure(final FeatureContext context) { |
| final Configuration config = context.getConfiguration(); |
| |
| if (!config.isRegistered(MustacheTemplateProcessor.class)) { |
| // Template Processor. |
| context.register(MustacheTemplateProcessor.class); |
| |
| // MvcFeature. |
| if (!config.isRegistered(MvcFeature.class)) { |
| context.register(MvcFeature.class); |
| } |
| |
| return true; |
| } |
| return false; |
| } |
| } |