uk.ac.ebi.embl.api.storage.DataRow.java Source code

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/*******************************************************************************
 * Copyright 2012 EMBL-EBI, Hinxton outstation
 * 
 * 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 uk.ac.ebi.embl.api.storage;

import org.apache.commons.lang.ArrayUtils;
import org.apache.commons.lang.StringUtils;

public class DataRow {

    public final static String ARRAY_SEPARATOR = ",";

    private Object[] values;

    /**
     * used in the tsv files to represent comma characters - are replaced upon parsing
     */
    private static final String COMMA_TOKEN = "{COM}";

    public DataRow() {
        this.values = new Object[0];
    }

    public DataRow(Object... values) {
        this.values = values;
    }

    public DataRow(String... values) {
        this.values = values;
    }

    public boolean hasColumn(int columnIndex) {
        return values.length >= (columnIndex + 1);
    }

    public Object getColumn(int columnIndex) {
        return values[columnIndex];
    }

    public String getString(int columnIndex) {
        return (String) getColumn(columnIndex);
    }

    public String getStringDefault(int columnIndex, String defValue) {
        if (columnIndex < values.length) {
            return (String) getColumn(columnIndex);
        } else {
            return defValue;
        }
    }

    public String[] getStringArray(int columnIndex) {
        return getStringArray(columnIndex, ARRAY_SEPARATOR);
    }

    public String[] getStringArray(int columnIndex, String separator) {
        String value = getString(columnIndex);
        String[] result = StringUtils.split(value, ARRAY_SEPARATOR);
        for (int i = 0; i < result.length; i++) {
            result[i] = result[i].replace(COMMA_TOKEN, ",");
        }
        return result;
    }

    @Override
    public String toString() {
        return ArrayUtils.toString(values);
    }

    public int getLength() {
        return values.length;
    }

}