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/**
 * Copyright (C) 2010 Mathieu Carbou 
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.mycila.ujd.impl;

import com.mycila.ujd.api.JavaClass;

import java.util.concurrent.ConcurrentHashMap;

/**
 * @author Mathieu Carbou ([email protected])
 */
final class JavaClassRegistry {

    private final ConcurrentHashMap, JavaClassImpl> classes = new ConcurrentHashMap, JavaClassImpl>();
    private final DefaultJVM jvm;

    JavaClassRegistry(DefaultJVM jvm) {
        this.jvm = jvm;
    }

     JavaClass add(Class aClass) {
        JavaClassImpl jc = classes.get(aClass);
        if (jc == null)
            classes.put(aClass, jc = create(aClass));
        return (JavaClass) jc;
    }

    Iterable> getJavaClasses() {
        return classes.values();
    }

    private  JavaClassImpl create(Class aClass) {
        return ClassUtils.isGeneratedClass(aClass) ?
                new JavaClassImpl(jvm, aClass) :
                new ContainedJavaClassImpl(jvm, aClass);
    }

    public void clear() {
        classes.clear();
    }
}