001/*
002 * Licensed to DuraSpace under one or more contributor license agreements.
003 * See the NOTICE file distributed with this work for additional information
004 * regarding copyright ownership.
005 *
006 * DuraSpace licenses this file to you under the Apache License,
007 * Version 2.0 (the "License"); you may not use this file except in
008 * compliance with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.fcrepo.http.commons.test.util;
019
020import static org.glassfish.jersey.grizzly2.httpserver.GrizzlyHttpServerFactory.createHttpServer;
021import static org.slf4j.LoggerFactory.getLogger;
022
023import java.net.URI;
024import java.util.Collection;
025
026import javax.annotation.PostConstruct;
027import javax.annotation.PreDestroy;
028import javax.xml.bind.JAXBContext;
029import javax.xml.bind.Unmarshaller;
030
031import com.google.common.base.Strings;
032import org.fcrepo.http.commons.webxml.WebAppConfig;
033import org.fcrepo.http.commons.webxml.bind.ContextParam;
034import org.fcrepo.http.commons.webxml.bind.Filter;
035import org.fcrepo.http.commons.webxml.bind.FilterMapping;
036import org.fcrepo.http.commons.webxml.bind.InitParam;
037import org.fcrepo.http.commons.webxml.bind.Listener;
038import org.fcrepo.http.commons.webxml.bind.Servlet;
039import org.fcrepo.http.commons.webxml.bind.ServletMapping;
040import org.glassfish.grizzly.http.server.HttpServer;
041import org.glassfish.grizzly.servlet.FilterRegistration;
042import org.glassfish.grizzly.servlet.ServletRegistration;
043import org.glassfish.grizzly.servlet.WebappContext;
044import org.slf4j.Logger;
045import org.springframework.beans.BeansException;
046import org.springframework.beans.factory.annotation.Value;
047import org.springframework.context.ApplicationContext;
048import org.springframework.context.ApplicationContextAware;
049import org.springframework.web.context.support.WebApplicationContextUtils;
050
051/**
052 * <p>ContainerWrapper class.</p>
053 *
054 * @author awoods
055 */
056public class ContainerWrapper implements ApplicationContextAware {
057
058    private static final Logger logger = getLogger(ContainerWrapper.class);
059
060    private static final int DEFAULT_PORT = 8080;
061
062    @Value("${fcrepo.dynamic.test.port:" + DEFAULT_PORT + "}")
063    private String port;
064
065    private HttpServer server;
066
067    private WebappContext appContext;
068
069    private String configLocation;
070
071    public void setConfigLocation(final String configLocation) {
072        this.configLocation = configLocation.replaceFirst("^classpath:", "/");
073    }
074
075    public void setPort(final int port) {
076        this.port = Integer.toString(port);
077    }
078
079    private int resolvePort() {
080        /*
081         This nonsense is necessary, rather than using @Value(${fcrepo.dynamic.test.port:8080}) because Intellij is
082          smart enough to attempt to set fcrepo.dynamic.test.port based on the pom but too dumb to run the
083         build-helper-maven-plugin plugin that actually determines its value. As a result, it's populated with an empty
084         value rather than null, and Spring will only default null property values.
085         */
086        if (Strings.isNullOrEmpty(port)) {
087            return DEFAULT_PORT;
088        }
089        return Integer.parseInt(port);
090    }
091
092    @PostConstruct
093    public void start() throws Exception {
094
095        final JAXBContext context = JAXBContext.newInstance(WebAppConfig.class);
096        final Unmarshaller u = context.createUnmarshaller();
097        final WebAppConfig o =
098                (WebAppConfig) u.unmarshal(getClass().getResource(
099                        this.configLocation));
100
101        final URI uri = URI.create("http://localhost:" + resolvePort());
102
103        server = createHttpServer(uri);
104
105        // create a "root" web application
106        appContext = new WebappContext(o.displayName(), "/");
107
108        for (final ContextParam p : o.contextParams()) {
109            appContext.addContextInitParameter(p.name(), p.value());
110        }
111
112        for (final Listener l : o.listeners()) {
113            appContext.addListener(l.className());
114        }
115
116        for (final Servlet s : o.servlets()) {
117            final ServletRegistration servlet =
118                    appContext.addServlet(s.servletName(), s.servletClass());
119
120            final Collection<ServletMapping> mappings =
121                    o.servletMappings(s.servletName());
122            for (final ServletMapping sm : mappings) {
123                servlet.addMapping(sm.urlPattern());
124            }
125            for (final InitParam p : s.initParams()) {
126                servlet.setInitParameter(p.name(), p.value());
127            }
128        }
129
130        for (final Filter f : o.filters()) {
131            final FilterRegistration filter =
132                    appContext.addFilter(f.filterName(), f.filterClass());
133
134            final Collection<FilterMapping> mappings =
135                    o.filterMappings(f.filterName());
136            for (final FilterMapping sm : mappings) {
137                final String urlPattern = sm.urlPattern();
138                final String servletName = sm.servletName();
139                if (urlPattern != null) {
140                    filter.addMappingForUrlPatterns(null, urlPattern);
141                } else {
142                    filter.addMappingForServletNames(null, servletName);
143                }
144
145            }
146            for (final InitParam p : f.initParams()) {
147                filter.setInitParameter(p.name(), p.value());
148            }
149        }
150
151        appContext.deploy(server);
152
153        logger.debug("started grizzly webserver endpoint at " +
154                server.getHttpHandler().getName());
155    }
156
157    @PreDestroy
158    public void stop() {
159        try {
160            appContext.undeploy();
161        } catch (final Exception e) {
162            logger.warn(e.getMessage(), e);
163        } finally {
164            server.shutdownNow();
165        }
166    }
167
168    public ApplicationContext getSpringAppContext() {
169        return WebApplicationContextUtils.findWebApplicationContext(appContext);
170    }
171
172    @Override
173    public void setApplicationContext(final ApplicationContext springAppContext)
174            throws BeansException {
175    }
176
177}