annis.service.objects.FrequencyTableQuery.java Source code

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Here is the source code for annis.service.objects.FrequencyTableQuery.java

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/*
 * Copyright 2012 SFB 632.
 *
 * 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 annis.service.objects;

import annis.service.objects.FrequencyTableEntry;
import com.google.common.base.Joiner;
import com.google.common.base.Splitter;
import java.util.ArrayList;
import java.util.Iterator;

/**
 * This is an a list of several {@link FrequencyTableEntry} entries.
 *
 * @author Thomas Krause <krauseto@hu-berlin.de>
 */
public class FrequencyTableQuery extends ArrayList<FrequencyTableEntry> {

    public static FrequencyTableQuery parse(String completeDefinition) {
        FrequencyTableQuery result = new FrequencyTableQuery();
        Iterator<String> it = Splitter.on(',').trimResults().omitEmptyStrings().split(completeDefinition)
                .iterator();
        while (it.hasNext()) {
            String f = it.next();
            FrequencyTableEntry entry = FrequencyTableEntry.parse(f);
            if (entry != null) {
                result.add(entry);
            }
        }
        return result;
    }

    @Override
    public String toString() {
        return Joiner.on(',').join(this);
    }

}