com.metaeffekt.artifact.terms.TermsMetaDataResolver Maven / Gradle / Ivy

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/*
 * Copyright 2021-2024 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 com.metaeffekt.artifact.terms;

import com.metaeffekt.artifact.terms.model.NormalizationMetaData;
import com.metaeffekt.artifact.utils.ConfigurationDiscovery;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.File;
import java.util.Properties;

/**
 * Class to resolve {@link com.metaeffekt.artifact.terms.model.TermsMetaData}. The class scans through common
 * resource locations.
 */
public final class TermsMetaDataResolver {

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

    private final static TermsMetaDataResolver INSTANCE = new TermsMetaDataResolver();

    private NormalizationMetaData normalizationMetaData;

    /**
     * Private constructor prevents subclassing.
     */
    private TermsMetaDataResolver() {
        discover();
    }

    private void discover() {
        try {
            final Properties p = ConfigurationDiscovery.discoverLocalProperties();
            final File termsMetadataPath = new File(p.getProperty("ae.terms.metadata.path"));

            normalizationMetaData = new NormalizationMetaData(termsMetadataPath);
        } catch (Exception e) {
            LOG.error("Cannot resolve terms metadata. Cannot complete initialize.", e);
        }
    }

    public static NormalizationMetaData get() {
        return INSTANCE.normalizationMetaData;
    }

}