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/*
 * Copyright Red Hat Inc. and/or its affiliates and other contributors
 * as indicated by the authors tag. All rights reserved.
 *
 * This copyrighted material is made available to anyone wishing to use,
 * modify, copy, or redistribute it subject to the terms and conditions
 * of the GNU General Public License version 2.
 * 
 * This particular file is subject to the "Classpath" exception as provided in the 
 * LICENSE file that accompanied this code.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT A
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE.  See the GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License,
 * along with this distribution; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA  02110-1301, USA.
 */

package com.redhat.ceylon.tools.p2;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.LinkedList;
import java.util.List;
import java.util.SortedMap;
import java.util.TreeMap;
import java.util.jar.Attributes;
import java.util.jar.JarFile;
import java.util.jar.Manifest;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import com.redhat.ceylon.common.ModuleSpec;

class ModuleInfo {
        private static final String[] PropertyNames = new String[]{
            "Bundle-Name",
            "Bundle-Vendor",
            "Bundle-Description",
            "Bundle-DocUrl",
        };
        final String name, version;
        final File jar;
        Attributes osgiAttributes;
        String osgiVersion;
		private CeylonP2Tool tool;
		
		public static class Dependency extends ModuleSpec {
		    
            private boolean optional;

            public Dependency(String name, String version) {
                this(name, version, false);
            }

            public Dependency(String name, String version, boolean optional) {
                super(null, name, version);
                this.optional = optional;
            }
            
            public boolean isOptional() {
                return optional;
            }
		}

        public ModuleInfo(CeylonP2Tool tool, String name, String version, File jar) throws IOException {
        	this.tool = tool;
            this.name = name;
            this.version = version;
            this.jar = jar;
            loadOsgiVersion();
        }

        private void loadOsgiVersion() throws IOException {
            JarFile jarFile = new JarFile(jar);
            Manifest manifest = jarFile.getManifest();
            osgiVersion = version;
            if(manifest != null){
                osgiAttributes = manifest.getMainAttributes();
                if(osgiAttributes != null){
                    String tmp = osgiAttributes.getValue("Bundle-Version");
                    if(tmp != null)
                        osgiVersion = tmp;
                }
            }
            jarFile.close();
            osgiVersion = CeylonP2Tool.fixOsgiVersion(osgiVersion);
        }

        public List getExportedPackages() {
            String value = osgiAttributes.getValue("Export-Package");
            List ret = new LinkedList<>();
            if(value != null){
                for(String pkg : split(value, ",")){
                    String[] details = split(pkg, ";");
                    String name = details[0];
                    String version = "";// GRRR: API of ModuleInfo
                    for(int i=1;i matchList = new ArrayList();
            int start = 0;
            String stringWithReplacedQuotes = "";
            while (matcher.find(start)) {
                String match= matcher.group(0);
                char matchFirstChar = match.charAt(0);
                char matchLastChar = match.charAt(match.length()-1);
                if (matchFirstChar == '\'' && matchLastChar == '\'' || 
                        matchFirstChar == '\"' && matchLastChar == '\"') {
                    matchList.add(match);
                    stringWithReplacedQuotes += quoteTag;
                } else {
                    stringWithReplacedQuotes += match;
                }
                start = matcher.end();
            }
            
            String[] splittedStringWithReplacedQuotes = stringWithReplacedQuotes.split(separator);
            int quoteIndex = 0;
            for (int i=0; i getImportedPackages() {
            String value = osgiAttributes.getValue("Import-Package");
            List ret = new LinkedList<>();
            if(value != null){
                for(String pkg : split(value, ",")){
                    String[] details = split(pkg, ";");
                    String name = details[0];
                    String version = "";// GRRR: API of ModuleInfo
                    boolean optional = false;
                    for(int i=1;i getImportedModules() {
            String value = osgiAttributes.getValue("Require-Bundle");
            List ret = new LinkedList<>();
            if(value != null && !value.isEmpty()){
                for(String pkg : split(value, ",")){
                    String[] details = split(pkg, ";");
                    String name = details[0];
                    boolean optional = false;
                    // skip some modules
                    if(tool.skipModule(name))
                        continue;
                    String version = "";// GRRR: API of ModuleInfo
                    for(int i=1;i getOsgiProperties() {
            SortedMap ret = new TreeMap<>();
            for(String name : PropertyNames){
                String attribute = getAttribute(name);
                if(attribute != null){
                    ret.put(name, attribute);
                }
            }
            return ret;
        }
}