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This project was born out of a need to validate all POJOs (Plain Old Java Object) are behaving correctly. This project has two main aspects to it: * Make Testing as easy as possible. * Simplifying identity management (hashCode / equals) using annotation.

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/*
 * Copyright (c) 2010-2013 Osman Shoukry
 *
 *    This program is free software: you can redistribute it and/or modify
 *    it under the terms of the GNU Lesser General Public License as published by
 *    the Free Software Foundation, either version 3 of the License or any
 *    later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU Lesser General Public License for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public License
 *    along with this program.  If not, see .
 */

package com.openpojo.reflection.java.packageloader.impl;

import com.openpojo.reflection.exception.ReflectionException;
import com.openpojo.reflection.java.packageloader.PackageLoader;
import com.openpojo.reflection.java.packageloader.utils.PackageNameHelper;

import java.io.IOException;
import java.lang.reflect.Type;
import java.net.JarURLConnection;
import java.net.URL;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.Set;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;

/**
 * @author oshoukry
 */
public final class JARPackageLoader extends PackageLoader {

    public JARPackageLoader(final URL packageURL, final String packageName) {
        super(packageURL, packageName);
    }

    @Override
    public Set getTypes() {
        Set types = new LinkedHashSet();
        for (Type type : getAllJarTypes()) {
            Class classEntry = (Class) type;
            if (classEntry.getPackage().getName().equals(packageName)) {
                types.add(type);
            }
        }
        return types;
    }

    @Override
    public Set getSubPackages() {
        Set subPackages = new LinkedHashSet();

        Set types = getAllJarTypes();
        for (Type type : types) {
            Class typeClass = (Class) type;
            String typeClassPackageName = typeClass.getPackage().getName();
            String directSubPackageName = PackageNameHelper.getDirectSubPackageName(packageName, typeClassPackageName);
            if (directSubPackageName != null) {
                subPackages.add(directSubPackageName);
            }
        }
        return subPackages;
    }

    private Set getAllJarTypes() {
        Set types = new LinkedHashSet();
        JarURLConnection conn;
        JarFile jar;
        try {
            conn = (JarURLConnection) packageURL.openConnection();
            jar = conn.getJarFile();
        } catch (IOException e) {
            throw ReflectionException.getInstance(e.getMessage(), e);
        }
        for (JarEntry e : Collections.list(jar.entries())) {
            String entryName = e.getName();
            try {
                Class classEntry = getAsClass(entryName);
                if (classEntry != null) {
                    types.add(classEntry);
                }
            } catch (ClassNotFoundException classNotFoundException) { // entry wasn't a class
            }
        }
        return types;
    }

}




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