/*
 * Copyright 2005-2011 the original author or authors.
 * 
 * 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 org.wamblee.xmlrouter.impl;

import org.wamblee.xmlrouter.common.Id;
import org.wamblee.xmlrouter.config.DocumentType;
import org.wamblee.xmlrouter.config.Filter;
import org.wamblee.xmlrouter.config.Transformation;

/**
 * Represents a single configuration set of a single configuration client of the
 * XML router.
 * 
 * @author Erik Brakkee
 */
public class SingleRouterConfig implements ExtendedRouterConfig {

    public static final class DocumentConfig extends ConfigImpl<DocumentType> {
        public DocumentConfig(String aId) {
            super(DocumentType.class, aId);
        }

        public DocumentConfig(DocumentConfig aConfig) {
            super(aConfig);
        }

        @Override
        public DocumentType wrap(DocumentType aT) {
            return new RobustDocumentType(aT);
        }
    }

    public static final class TransformationConfig extends
        ConfigImpl<Transformation> {
        public TransformationConfig(String aId) {
            super(Transformation.class, aId);
        }

        public TransformationConfig(TransformationConfig aConfig) {
            super(aConfig);
        }

        @Override
        public Transformation wrap(Transformation aTransformation) {
            return new RobustTransformation(aTransformation);
        }
    }

    public static final class FilterConfig extends ConfigImpl<Filter> {
        public FilterConfig(String aId) {
            super(Filter.class, aId);
        }

        public FilterConfig(FilterConfig aConfig) {
            super(aConfig);
        }

        @Override
        public Filter wrap(Filter aFilter) {
            return new RobustFilter("", aFilter);
        }
    }

    private String prefix;

    private DocumentConfig documentTypes;
    private TransformationConfig transformations;
    private FilterConfig filters;

    /**
     * Constructs a router configuration.
     * 
     * @param aPrefix
     *            Unique id for this configuration.
     */
    public SingleRouterConfig(String aPrefix) {
        prefix = aPrefix;
        documentTypes = new DocumentConfig(aPrefix + ".documenttypes");
        transformations = new TransformationConfig(aPrefix + ".transformations");
        filters = new FilterConfig(aPrefix + ".filters");
    }

    public SingleRouterConfig(SingleRouterConfig aConfig) {
        prefix = aConfig.prefix;
        documentTypes = new DocumentConfig(aConfig.documentTypes);
        transformations = new TransformationConfig(aConfig.transformations);
        filters = new FilterConfig(aConfig.filters);
    }

    @Override
    public Id<RouterConfig> getId() {
        return new Id<RouterConfig>(prefix);
    }

    public String getPrefix() {
        return prefix;
    }

    @Override
    public Config<DocumentType> documentTypeConfig() {
        return documentTypes;
    }

    @Override
    public Config<Transformation> transformationConfig() {
        return transformations;
    }

    @Override
    public Config<Filter> filterConfig() {
        return filters;
    }

    @Override
    public boolean equals(Object aObj) {
        if (aObj == null) {
            return false;
        }
        if (!(aObj instanceof SingleRouterConfig)) {
            return false;
        }
        SingleRouterConfig obj = (SingleRouterConfig) aObj;

        return documentTypes.equals(obj.documentTypes) &&
            transformations.equals(obj.transformations) &&
            filters.equals(obj.filters);
    }

    @Override
    public int hashCode() {
        return documentTypes.hashCode() + transformations.hashCode() +
            filters.hashCode();
    }
}