TaxonomyUtils.java

/*
 * Copyright (C) 2012 Tirasa
 *
 * 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 net.tirasa.hct.util;

import java.util.ArrayList;
import java.util.List;
import javax.jcr.NodeIterator;
import javax.jcr.PathNotFoundException;
import javax.jcr.RepositoryException;
import javax.jcr.query.Query;
import net.tirasa.hct.hstbeans.HCTTaxonomyCategoryBean;
import net.tirasa.hct.repository.HCTConnManager;
import net.tirasa.hct.taxonomy.frontend.HCTTaxonomyNodeTypes;
import org.hippoecm.hst.content.beans.ObjectBeanManagerException;
import org.hippoecm.repository.api.HippoNodeType;
import org.onehippo.taxonomy.api.TaxonomyNodeTypes;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public final class TaxonomyUtils {

    private static final Logger LOG = LoggerFactory.getLogger(TaxonomyUtils.class);

    private TaxonomyUtils() {
    }

    public static String buildPathInTaxonomy(final String taxonomyPath, final String docName) {
        return taxonomyPath + "/" + HCTTaxonomyNodeTypes.NODENAME_HIPPOTAXONOMY_DOCUMENTS + "/"
                + HippoNodeType.HIPPO_RESULTSET + "/" + docName;
    }

    public static List<HCTTaxonomyCategoryBean> getTaxonomies(final HCTConnManager connManager, final String[] keys) {
        final List<HCTTaxonomyCategoryBean> taxonomies = new ArrayList<HCTTaxonomyCategoryBean>();

        if (keys != null) {
            for (String key : keys) {
                HCTTaxonomyCategoryBean taxonomy = null;
                try {
                    taxonomy = getTaxonomy(connManager, key);
                } catch (Exception e) {
                    LOG.error("While getting taxonomy", e);
                }
                if (taxonomy != null) {
                    taxonomies.add(taxonomy);
                }
            }
        }

        return taxonomies;
    }

    public static HCTTaxonomyCategoryBean getTaxonomy(final HCTConnManager connManager, final String key)
            throws RepositoryException, ObjectBeanManagerException {

        final Query query = connManager.getSession().getWorkspace().getQueryManager().createQuery(
                "SELECT * FROM [" + TaxonomyNodeTypes.NODETYPE_HIPPOTAXONOMY_CATEGORY + "] AS taxonomy "
                + "WHERE (ISDESCENDANTNODE(taxonomy, '/content/taxonomies') "
                + "AND [" + TaxonomyNodeTypes.HIPPOTAXONOMY_KEY + "] = '" + key + "')",
                Query.JCR_SQL2);
        final NodeIterator result = query.execute().getNodes();

        if (!result.hasNext()) {
            throw new PathNotFoundException("Taxonomy category with key " + key);
        }

        return ObjectUtils.getHippoItem(connManager, result.nextNode(), HCTTaxonomyCategoryBean.class);
    }
}