kr.ac.cau.mecs.cass.signal.payload.JSONObjectPayload.java Source code

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Here is the source code for kr.ac.cau.mecs.cass.signal.payload.JSONObjectPayload.java

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package kr.ac.cau.mecs.cass.signal.payload;

import java.io.IOException;
import java.nio.charset.Charset;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.zip.CRC32;
import java.util.zip.Checksum;
import kr.ac.cau.mecs.cass.signal.Payload;
import kr.ac.cau.mecs.cass.signal.Payloadable;
import kr.ac.cau.mecs.cass.utils.Base64;
import org.json.JSONObject;

/**
 *
 * @author Administrator
 */
public class JSONObjectPayload extends Payloadable<JSONObject> {

    public JSONObjectPayload() {

    }

    public JSONObjectPayload(JSONObject jobj) {
        this.data = jobj;
    }

    @Override
    public void serializeRawData(Payload payload) {
        String data = this.data.toString();

        Checksum crc32 = new CRC32();
        Base64 base64 = new Base64();

        byte[] bytedata = data.getBytes(Charset.forName("UTF-8"));

        crc32.reset();
        crc32.update(bytedata, 0, bytedata.length);

        String encoded = base64.encode(bytedata);

        payload.setCrc(crc32.getValue());
        payload.setLength(encoded.length());
        payload.setRawdata(encoded);

        payload.setType(0x11);
    }

    @Override
    public void deserializeRawData(Payload payload) {
        String rawdata = payload.getRawdata();

        Base64 base64 = new Base64();

        byte[] bytedata = base64.decode(rawdata);

        String data = new String(bytedata, Charset.forName("UTF-8"));

        this.data = new JSONObject(data);

    }

    @Override
    public boolean canSerializeRawData(Payload payload) {
        if (payload.getType() == 0x11)
            return true;
        return false;
    }

}