uk.org.funcube.fcdw.server.shared.Antenna.java Source code

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Here is the source code for uk.org.funcube.fcdw.server.shared.Antenna.java

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// FUNcube Data Warehouse
// Copyright 2013 (c) David A.Johnson, G4DPZ, AMSAT-UK
// This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
// To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/3.0/ or send a letter
// to Creative Commons, 444 Castro Street, Suite 900, Mountain View, California, 94041, USA.

package uk.org.funcube.fcdw.server.shared;

import org.apache.commons.lang3.StringUtils;

public class Antenna {

    private static final String ONE = "1";
    private static final String ZERO = "0";
    private static final int TEMPERATURE_BINARY_STRING_LENGTH = 16;
    private static final int DEPLOYMENT_BINARY_STRING_LENGTH = 4;
    public static final int BINARY_STRING_LENGTH = TEMPERATURE_BINARY_STRING_LENGTH
            + DEPLOYMENT_BINARY_STRING_LENGTH;

    private Long antennaTemp0;
    private Long antennaTemp1;

    private boolean antennaDeployment0;
    private boolean antennaDeployment1;
    private boolean antennaDeployment2;
    private boolean antennaDeployment3;

    public Antenna() {
    }

    /**
     * @param antennaTemp0
     * @param antennaTemp1
     * @param antennaDeployment0
     * @param antennaDeployment1
     * @param antennaDeployment2
     * @param antennaDeployment3
     */
    public Antenna(final Long antennaTemp0, final Long antennaTemp1, final boolean antennaDeployment0,
            final boolean antennaDeployment1, final boolean antennaDeployment2, final boolean antennaDeployment3) {
        this.antennaTemp0 = antennaTemp0;
        this.antennaTemp1 = antennaTemp1;
        this.antennaDeployment0 = antennaDeployment0;
        this.antennaDeployment1 = antennaDeployment1;
        this.antennaDeployment2 = antennaDeployment2;
        this.antennaDeployment3 = antennaDeployment3;
    }

    public Antenna(final String binaryDataString) {

        int pos;

        for (pos = 0; pos < TEMPERATURE_BINARY_STRING_LENGTH; pos += 8) {
            final long temperature = Long.parseLong(binaryDataString.substring(pos, pos + 8), 2);
            if (0 == pos / 8) {
                antennaTemp0 = temperature;
            } else {
                antennaTemp1 = temperature;
            }
        }

        // we do not reset pos before the loop
        for (; pos < TEMPERATURE_BINARY_STRING_LENGTH + DEPLOYMENT_BINARY_STRING_LENGTH; pos += 1) {
            final boolean deployed = binaryDataString.substring(pos, pos + 1).equals(ONE);
            switch (pos - 16) {
            case 0:
                antennaDeployment0 = deployed;
                break;
            case 1:
                antennaDeployment1 = deployed;
                break;
            case 2:
                antennaDeployment2 = deployed;
                break;
            case 3:
                antennaDeployment3 = deployed;
                break;
            }
        }
    }

    public final String toBinaryString() {
        final StringBuffer sb = new StringBuffer();
        sb.append(StringUtils.leftPad(Long.toString(antennaTemp0, 2), 8, ZERO));
        sb.append(StringUtils.leftPad(Long.toString(antennaTemp1, 2), 8, ZERO));
        sb.append(antennaDeployment0 ? ONE : ZERO);
        sb.append(antennaDeployment1 ? ONE : ZERO);
        sb.append(antennaDeployment2 ? ONE : ZERO);
        sb.append(antennaDeployment3 ? ONE : ZERO);
        return sb.toString();
    }

    /**
     * @return the antennaTemp0
     */
    public final Long getAntennaTemp0() {
        return antennaTemp0;
    }

    /**
     * @return the antennaTemp1
     */
    public final Long getAntennaTemp1() {
        return antennaTemp1;
    }

    /**
     * @return the antennaDeployment0
     */
    public final boolean isAntennaDeployment0() {
        return antennaDeployment0;
    }

    /**
     * @return the antennaDeployment1
     */
    public final boolean isAntennaDeployment1() {
        return antennaDeployment1;
    }

    /**
     * @return the antennaDeployment2
     */
    public final boolean isAntennaDeployment2() {
        return antennaDeployment2;
    }

    /**
     * @return the antennaDeployment3
     */
    public final boolean isAntennaDeployment3() {
        return antennaDeployment3;
    }

}