eu.europeana.querylog.clean.NumberFilter.java Source code

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Here is the source code for eu.europeana.querylog.clean.NumberFilter.java

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/**
 *  Copyright 2014 Diego Ceccarelli
 *
 *  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.
 */

/**
 *  Copyright 2014 Diego Ceccarelli
 *
 *  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 eu.europeana.querylog.clean;

import org.apache.commons.lang3.StringUtils;

/**
 * @author Diego Ceccarelli <diego.ceccarelli@isti.cnr.it>
 * 
 *         Created on Feb 5, 2014
 */
public class NumberFilter implements Cleaner {

    public String clean(String query) {
        if (StringUtils.isNumeric(query))
            return null;
        return query;
    }

}