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/*
 * Copyright 2011-2020 PrimeFaces Extensions
 *
 * 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.primefaces.extensions.showcase.webapp;

import java.util.List;
import java.util.Map;

import jakarta.annotation.PostConstruct;
import jakarta.enterprise.context.ApplicationScoped;
import jakarta.faces.FacesException;
import jakarta.inject.Named;

import org.primefaces.extensions.showcase.model.system.DocuAttribute;
import org.primefaces.extensions.showcase.model.system.DocuEvent;
import org.primefaces.extensions.showcase.model.system.DocuTag;
import org.primefaces.extensions.showcase.util.TagLibParser;

/**
 * Prepares the documentation from the tag library.
 *
 * @author Oleg Varaksin / last modified by $Author$
 * @version $Revision$
 */
@ApplicationScoped
@Named
public class DocuPreparer {

    private Map tags;

    @PostConstruct
    protected void initialize() {
        try {
            tags = TagLibParser.getTags();
        }
        catch (final Exception e) {
            throw new FacesException("Taglib parsing failed!", e);
        }
    }

    public List getDocuAttributes(final String tagName) {
        if (tagName == null || tags == null) {
            return null;
        }

        final DocuTag docuTag = tags.get(tagName);
        if (docuTag == null) {
            return null;
        }

        return docuTag.getAttributes();
    }

    public List getDocuEvents(final String tagName) {
        if (tagName == null || tags == null) {
            return null;
        }

        final DocuTag docuTag = tags.get(tagName);
        if (docuTag == null) {
            return null;
        }

        return docuTag.getEvents();
    }
}