org.glassfish.jersey.server.mvc.MvcFeature Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of jersey-mvc Show documentation
Jersey extension module providing support for MVC.
There is a newer version: 4.0.0-M1
/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2012-2013 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * http://glassfish.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

package org.glassfish.jersey.server.mvc;

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.internal.ErrorTemplateExceptionMapper;
import org.glassfish.jersey.server.mvc.internal.MvcBinder;

/**
 * {@code MvcFeature} used to add MVC support to the server.
 *
 * @author Michal Gajdos (michal.gajdos at oracle.com)
 */
@ConstrainedTo(RuntimeType.SERVER)
public final class MvcFeature implements Feature {

    /**
     * {@link String} property defining the base path to MVC templates. If set, the value of the property is added in front
     * of the template name defined in:
     * 
     * {@link org.glassfish.jersey.server.mvc.Viewable Viewable}
     * {@link org.glassfish.jersey.server.mvc.Template Template}, or
     * {@link org.glassfish.jersey.server.mvc.ErrorTemplate ErrorTemplate}
     * 
     * 
     * Value can be absolute providing a full path to a system directory with templates or relative to current
     * {@link javax.servlet.ServletContext servlet context}.
     * 

     * There is no default value.
     * 

     * The name of the configuration property is {@value}.
     */
    public static final String TEMPLATE_BASE_PATH = "jersey.config.server.mvc.templateBasePath";

    /**
     * If {@code true} then enable caching of template objects, i.e. to avoid multiple compilations of a template.
     * 

     * The default value is {@code false}.
     * 

     * The name of the configuration property is {@value}.
     * 

     * Note: This property is used as common prefix for specific
     * {@link org.glassfish.jersey.server.mvc.spi.TemplateProcessor template processors} properties and might not be supported by
     * all template processors.
     *
     * @since 2.5
     */
    public static final String CACHE_TEMPLATES = "jersey.config.server.mvc.caching";

    /**
     * Property used to pass user-configured factory able to create template objects. Value of the property is supposed to be an
     * instance of "templating engine"-specific factory, a class of the factory or class-name of the factory.
     * 

     * The default value is not set.
     * 

     * The name of the configuration property is {@value}.
     * 
     * Note: This property is used as common prefix for specific
     * {@link org.glassfish.jersey.server.mvc.spi.TemplateProcessor template processors} properties and might not be supported by
     * all template processors.
     *
     * @since 2.5
     */
    public static final String TEMPLATE_OBJECT_FACTORY = "jersey.config.server.mvc.factory";

    @Override
    public boolean configure(final FeatureContext context) {
        final Configuration config = context.getConfiguration();

        if (!config.isRegistered(ErrorTemplateExceptionMapper.class)) {
            context.register(ErrorTemplateExceptionMapper.class);
            context.register(new MvcBinder());

            return true;
        }

        return false;
    }
}