org.polymap.rhei.fulltext.address.AddressFeatureTransformer.java Source code

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Here is the source code for org.polymap.rhei.fulltext.address.AddressFeatureTransformer.java

Source

/* 
 * polymap.org
 * Copyright (C) 2014, Falko Brutigam. All rights reserved.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 3.0 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 */
package org.polymap.rhei.fulltext.address;

import static org.polymap.rhei.fulltext.address.Address.*;

import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;

import org.json.JSONObject;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.google.common.collect.Sets;

import org.polymap.rhei.fulltext.indexing.FeatureTransformer;

/**
 * 
 *
 * @author <a href="http://www.polymap.de">Falko Brutigam</a>
 */
public class AddressFeatureTransformer implements FeatureTransformer<JSONObject, JSONObject> {

    private static Log log = LogFactory.getLog(AddressFeatureTransformer.class);

    protected static Set<String> newSet(String... elms) {
        return Sets.newHashSet(elms);
    }

    public static final Map<String, Set<String>> mapping = new HashMap();

    static {
        mapping.put(FIELD_STREET, newSet("street", "strasse", "strae"));
        mapping.put(FIELD_NUMBER, newSet("number", "nummer", "hnr", "nr"));
        mapping.put(FIELD_NUMBER_X, newSet("number_ext", "nummer_ext", "hnr_zusatz", "nr_zusatz", "nummer_zusatz"));
        mapping.put(FIELD_CITY, newSet("city", "stadt", "ort"));
        mapping.put(FIELD_CITY_X, newSet("city_ext", "stadt_zusatz", "ort_zusatz"));
        mapping.put(FIELD_DISTRICT, newSet("district", "urban_district", "ortsteil"));
        mapping.put(FIELD_POSTALCODE, newSet("postalcode", "code", "zip", "zipcode", "plz"));
    }

    // instance *******************************************

    @Override
    public JSONObject apply(JSONObject input) {
        JSONObject result = new JSONObject();
        for (String key : (Set<String>) input.keySet()) {
            boolean found = false;
            for (Entry<String, Set<String>> synonyms : mapping.entrySet()) {
                if (synonyms.getValue().contains(key.toLowerCase())) {
                    result.put(synonyms.getKey(), input.get(key));
                    found = true;
                    break;
                }
            }
            if (!found) {
                result.put(key, input.get(key));
            }
        }
        return result;
    }
}