// 
// Decompiled by Procyon v0.6.0
// 

package org.bson.codecs.pojo;

import org.bson.codecs.configuration.CodecConfigurationException;
import java.util.Iterator;
import java.util.concurrent.ConcurrentHashMap;
import java.util.Set;
import java.util.Map;

final class DiscriminatorLookup
{
    private final Map<String, Class<?>> discriminatorClassMap;
    private final Set<String> packages;
    
    DiscriminatorLookup(final Map<Class<?>, ClassModel<?>> classModels, final Set<String> packages) {
        this.discriminatorClassMap = new ConcurrentHashMap<String, Class<?>>();
        for (final ClassModel<?> classModel : classModels.values()) {
            if (classModel.getDiscriminator() != null) {
                this.discriminatorClassMap.put(classModel.getDiscriminator(), classModel.getType());
            }
        }
        this.packages = packages;
    }
    
    public Class<?> lookup(final String discriminator) {
        if (this.discriminatorClassMap.containsKey(discriminator)) {
            return this.discriminatorClassMap.get(discriminator);
        }
        Class<?> clazz = this.getClassForName(discriminator);
        if (clazz == null) {
            clazz = this.searchPackages(discriminator);
        }
        if (clazz == null) {
            throw new CodecConfigurationException(String.format("A class could not be found for the discriminator: '%s'.", discriminator));
        }
        this.discriminatorClassMap.put(discriminator, clazz);
        return clazz;
    }
    
    void addClassModel(final ClassModel<?> classModel) {
        if (classModel.getDiscriminator() != null) {
            this.discriminatorClassMap.put(classModel.getDiscriminator(), classModel.getType());
        }
    }
    
    private Class<?> getClassForName(final String discriminator) {
        Class<?> clazz = null;
        try {
            clazz = Class.forName(discriminator);
        }
        catch (final ClassNotFoundException ex) {}
        return clazz;
    }
    
    private Class<?> searchPackages(final String discriminator) {
        Class<?> clazz = null;
        for (final String packageName : this.packages) {
            clazz = this.getClassForName(packageName + "." + discriminator);
            if (clazz != null) {
                return clazz;
            }
        }
        return clazz;
    }
}