com.awcoleman.BouncyCastleGenericCDRHadoopWithWritable.CallDetailRecord.java Source code

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Here is the source code for com.awcoleman.BouncyCastleGenericCDRHadoopWithWritable.CallDetailRecord.java

Source

package com.awcoleman.BouncyCastleGenericCDRHadoopWithWritable;

import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.Enumeration;

import org.apache.hadoop.io.Writable;
import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.DERApplicationSpecific;

/**
 * 
 * A Writable container class for a "Simple Generic CDR".
 * 
 * @author awcoleman
 * @version 20140702
 * license: Apache License 2.0; http://www.apache.org/licenses/LICENSE-2.0
 * 
 */
public class CallDetailRecord extends ASN1Object implements Writable {

    ASN1Sequence cdr;

    int recordNumber; //APPLICATION  2
    String callingNumber; //APPLICATION  8
    String calledNumber; //APPLICATION  9
    String startDate; //APPLICATION 16
    String startTime; //APPLICATION 18
    int duration; //APPLICATION 19

    public CallDetailRecord() {
        clearFields();
    }

    public CallDetailRecord(ASN1Sequence inSeq) throws UnsupportedEncodingException {
        cdr = inSeq;

        for (@SuppressWarnings("unchecked")
        Enumeration<ASN1Encodable> en = cdr.getObjects(); en.hasMoreElements();) {
            ASN1Encodable em = en.nextElement();
            ASN1Primitive emp = em.toASN1Primitive();
            DERApplicationSpecific emt = (DERApplicationSpecific) emp;

            //System.out.println("emt.getApplicationTag(): "+emt.getApplicationTag());

            switch (emt.getApplicationTag()) {
            case 2:
                recordNumber = emt.getContents()[0];
                break;
            case 8:
                callingNumber = new String(emt.getContents(), "UTF-8");
                break;
            case 9:
                calledNumber = new String(emt.getContents(), "UTF-8");
                break;
            case 16:
                startDate = new String(emt.getContents(), "UTF-8");
                break;
            case 18:
                startTime = new String(emt.getContents(), "UTF-8");
                break;
            case 19:
                duration = emt.getContents()[0];
                break;
            default:
                //Unknown application number. In production would either log or error.
                break;
            }
        }

    }

    public void clearFields() {
        cdr = null;
        recordNumber = 0;
        callingNumber = null;
        calledNumber = null;
        startDate = null;
        startTime = null;
        duration = 0;
    }

    @Override
    public ASN1Primitive toASN1Primitive() {
        return null; //Once we have read in the original ASN.1 we are done with it.
    }

    public int getRecordNumber() {
        return recordNumber;
    }

    public void setRecordNumber(int recordNumber) {
        this.recordNumber = recordNumber;
    }

    public String getCallingNumber() {
        return callingNumber;
    }

    public void setCallingNumber(String callingNumber) {
        this.callingNumber = callingNumber;
    }

    public String getCalledNumber() {
        return calledNumber;
    }

    public void setCalledNumber(String calledNumber) {
        this.calledNumber = calledNumber;
    }

    public String getStartDate() {
        return startDate;
    }

    public void setStartDate(String startDate) {
        this.startDate = startDate;
    }

    public String getStartTime() {
        return startTime;
    }

    public void setStartTime(String startTime) {
        this.startTime = startTime;
    }

    public int getDuration() {
        return duration;
    }

    public void setDuration(int duration) {
        this.duration = duration;
    }

    @Override
    public void readFields(DataInput in) throws IOException {

        recordNumber = in.readInt();
        callingNumber = in.readUTF();
        calledNumber = in.readUTF();
        startDate = in.readUTF();
        startTime = in.readUTF();
        duration = in.readInt();

    }

    @Override
    public void write(DataOutput out) throws IOException {

        out.writeInt(recordNumber);
        out.writeUTF(callingNumber); //writeUTF includes length info
        out.writeUTF(calledNumber);
        out.writeUTF(startDate);
        out.writeUTF(startTime);
        out.writeInt(duration);

    }

}