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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2013-2016 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
 * https://glassfish.dev.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:
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 * elects to include this software in this distribution under the [CDDL or GPL
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 * recipient has the option to distribute your version of this file under
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 * 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.
 */
// Portions Copyright [2019-2021] Payara Foundation and/or affiliates

package org.glassfish.main.web.jersey.server.mvc.jsp.integration;

import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.net.URLClassLoader;
import java.text.MessageFormat;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.ResourceBundle;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.regex.Pattern;

import jakarta.inject.Inject;
import jakarta.inject.Singleton;

import org.glassfish.hk2.api.PostConstruct;

import org.jvnet.hk2.annotations.Service;

import org.glassfish.api.web.TldProvider;
import org.glassfish.web.loader.LogFacade;

import com.sun.enterprise.module.HK2Module;
import com.sun.enterprise.module.ModulesRegistry;
import com.sun.enterprise.util.net.JarURIPattern;

/**
 * {@link TldProvider TLD Provider} suited for Jersey MVC *.tld.
 * 

 * Note: Copied from {@code jstl-connector}.
 *
 * @author Michal Gajdos (michal.gajdos at oracle.com)
 */
@Service(name = "jerseyMvcTld")
@Singleton
public class JerseyMvcTldProvider implements TldProvider, PostConstruct {

    private static final Logger logger = LogFacade.getLogger();

    private static final ResourceBundle rb = logger.getResourceBundle();

    @Inject
    private ModulesRegistry registry;

    private Map> tldMap = new HashMap>();

    public String getName() {
        return "jerseyMvcTld";
    }

    @SuppressWarnings("unchecked")
    public Map> getTldMap() {
        return (Map>) ((HashMap) tldMap).clone();
    }

    public Map> getTldListenerMap() {
        return null;
    }

    public void postConstruct() {
        final Class jerseyIncludeClass = org.glassfish.jersey.server.mvc.jsp.Include.class;

        URI[] uris = null;
        HK2Module m = null;
        if (jerseyIncludeClass != null) {
            m = registry.find(jerseyIncludeClass);
        }
        if (m != null) {
            uris = m.getModuleDefinition().getLocations();
        } else {
            ClassLoader classLoader = getClass().getClassLoader();
            if (classLoader instanceof URLClassLoader) {
                URL[] urls = ((URLClassLoader) classLoader).getURLs();
                if (urls != null && urls.length > 0) {
                    uris = new URI[urls.length];
                    for (int i = 0; i < urls.length; i++) {
                        try {
                            uris[i] = urls[i].toURI();
                        } catch (URISyntaxException e) {
                            String msg = rb.getString(LogFacade.TLD_PROVIDER_IGNORE_URL);
                            msg = MessageFormat.format(msg, urls[i]);
                            logger.log(Level.WARNING, msg, e);
                        }
                    }
                }
            } else {
                logger.log(Level.WARNING, LogFacade.UNABLE_TO_DETERMINE_TLD_RESOURCES, new Object[]{
                        JerseyMvcTldProvider.class.getSimpleName(), classLoader, JerseyMvcTldProvider.class.getName()
                });
            }
        }

        if (uris != null && uris.length > 0) {
            Pattern pattern = Pattern.compile("META-INF/.*\\.tld");
            for (URI uri : uris) {
                List entries = JarURIPattern.getJarEntries(uri, pattern);
                if (entries != null && entries.size() > 0) {
                    tldMap.put(uri, entries);
                }
            }
        }
    }
}