DoubleField.java

// <editor-fold defaultstate="collapsed" desc="license">
/*
 * Copyright (c) 2014, Karl H. Beckers
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * * Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 * * Neither the name of the <ORGANIZATION> nor the names of its contributors
 *   may be used to endorse or promote products derived from this software
 *   without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 **/
// </editor-fold>
package net.jarre_de_the.griffin.types.field;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.io.RandomAccessFile;
import java.util.List;
import net.jarre_de_the.griffin.file.Gff;
import net.jarre_de_the.griffin.types.data.DWordData;
import net.jarre_de_the.griffin.types.data.DoubleData;

/**
 *
 * @author charly4711
 */
public class DoubleField
        extends BaseComplexField
        implements Cloneable {

    /*
     *
     * constructors
     *
     */

    public DoubleField() {
        super(FieldType.DOUBLE, new DoubleData(0));
    }

    public DoubleField(byte[] label,
            DoubleData d) {
        super(FieldType.DOUBLE, d);
        setLabel(label);
    }

    public DoubleField(RandomAccessFile in,
            Gff file)
            throws IOException {
        super(in, file, DoubleData.class);
    }

    /*
     *
     * read / write
     *
     */
    @Override
    public void persist(ByteArrayOutputStream structArray,
            ByteArrayOutputStream fieldArray,
            List labelArrayList,
            ByteArrayOutputStream fieldIndicesArray,
            ByteArrayOutputStream listIndicesArray,
            ByteArrayOutputStream fieldData)
            throws IOException {

        // buffer for the field itself
        DWordData fBuf[] = persistTypeAndLabel(labelArrayList);
        // data pointer
        fBuf[2] = new DWordData(fieldData.size());

        for (DWordData d : fBuf) {
            fieldArray.write(d.getValueAsByteArray());
        }

        // data
        DoubleData i = getValue();
        fieldData.write(i.getValueAsByteArray());

    }

    /*
     *
     * getter
     *
     */
    @Override
    public DoubleData getValue() {
        return (DoubleData) getData();
    }

    /*
     *
     * utility
     *
     */
    @Override
    public void printString(PrintStream out,
            int align) {
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < align; i++) {
            sb.append(" ");
        }
        sb.append(this.toString());
        out.println(sb.toString());
    }

    @Override
    public DoubleField clone() throws CloneNotSupportedException {
        DoubleField clone = (DoubleField) super.clone();
        clone.setData(getValue());
        return clone;
    }
}