Files
i2p.i2p/router/java/src/net/i2p/data/i2np/DeliveryStatusMessage.java
2004-04-08 04:41:54 +00:00

92 lines
3.0 KiB
Java

package net.i2p.data.i2np;
/*
* free (adj.): unencumbered; not under the control of others
* Written by jrandom in 2003 and released into the public domain
* with no warranty of any kind, either expressed or implied.
* It probably won't make your computer catch on fire, or eat
* your children, but it might. Use at your own risk.
*
*/
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Date;
import net.i2p.data.DataFormatException;
import net.i2p.data.DataHelper;
import net.i2p.util.Log;
/**
* Defines the message sent back in reply to a message when requested, containing
* the private ack id.
*
* @author jrandom
*/
public class DeliveryStatusMessage extends I2NPMessageImpl {
private final static Log _log = new Log(DeliveryStatusMessage.class);
public final static int MESSAGE_TYPE = 10;
private long _id;
private Date _arrival;
public DeliveryStatusMessage() {
setMessageId(-1);
setArrival(null);
}
public long getMessageId() { return _id; }
public void setMessageId(long id) { _id = id; }
public Date getArrival() { return _arrival; }
public void setArrival(Date arrival) { _arrival = arrival; }
public void readMessage(InputStream in, int type) throws I2NPMessageException, IOException {
if (type != MESSAGE_TYPE) throw new I2NPMessageException("Message type is incorrect for this message");
try {
_id = DataHelper.readLong(in, 4);
_arrival = DataHelper.readDate(in);
} catch (DataFormatException dfe) {
throw new I2NPMessageException("Unable to load the message data", dfe);
}
}
protected byte[] writeMessage() throws I2NPMessageException, IOException {
if ( (_id < 0) || (_arrival == null) ) throw new I2NPMessageException("Not enough data to write out");
ByteArrayOutputStream os = new ByteArrayOutputStream(32);
try {
DataHelper.writeLong(os, 4, _id);
DataHelper.writeDate(os, _arrival);
} catch (DataFormatException dfe) {
throw new I2NPMessageException("Error writing out the message data", dfe);
}
return os.toByteArray();
}
public int getType() { return MESSAGE_TYPE; }
public int hashCode() {
return (int)getMessageId() +
DataHelper.hashCode(getArrival());
}
public boolean equals(Object object) {
if ( (object != null) && (object instanceof DeliveryStatusMessage) ) {
DeliveryStatusMessage msg = (DeliveryStatusMessage)object;
return DataHelper.eq(getMessageId(),msg.getMessageId()) &&
DataHelper.eq(getArrival(),msg.getArrival());
} else {
return false;
}
}
public String toString() {
StringBuffer buf = new StringBuffer();
buf.append("[DeliveryStatusMessage: ");
buf.append("\n\tMessage ID: ").append(getMessageId());
buf.append("\n\tArrival: ").append(getArrival());
buf.append("]");
return buf.toString();
}
}