org.structr.common.geo.AbstractGeoCodingProvider.java Source code

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Here is the source code for org.structr.common.geo.AbstractGeoCodingProvider.java

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/**
 * Copyright (C) 2010-2016 Structr GmbH
 *
 * This file is part of Structr <http://structr.org>.
 *
 * Structr is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * Structr 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Structr.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.structr.common.geo;

import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.apache.commons.jxpath.JXPathContext;
import org.structr.core.Services;

/**
 * Abstract base class for geocoding providers.
 *
 *
 */
public abstract class AbstractGeoCodingProvider implements GeoCodingProvider {

    private static final Logger logger = Logger.getLogger(AbstractGeoCodingProvider.class.getName());
    protected String apiKey = null;

    public AbstractGeoCodingProvider() {
        this.apiKey = Services.getInstance().getConfigurationValue(Services.GEOCODING_APIKEY, "");
    }

    protected <T> T extract(Map source, String path, Class<T> type) {

        JXPathContext context = JXPathContext.newContext(source);
        T value = (T) context.getValue(path);

        return value;
    }

    protected String encodeURL(String source) {

        try {
            return URLEncoder.encode(source, "UTF-8");

        } catch (UnsupportedEncodingException ex) {

            logger.log(Level.WARNING, "Unsupported Encoding", ex);
        }

        // fallback, unencoded
        return source;
    }
}