org.yamcs.YamcsException Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of yamcs-core Show documentation

There is a newer version: 5.10.7

package org.yamcs;

import com.google.protobuf.InvalidProtocolBufferException;
import com.google.protobuf.Message;
import com.google.protobuf.MessageLite;

/**
 * Base class for all checked Yamcs exceptions (some day)
 * 
 * @author nm
 */
public class YamcsException extends Exception {
    private static final long serialVersionUID = 1L;

    private String type;
    private byte[] extra; // a protobuf message which can be understood by the receiver based on the type

    public YamcsException(String message) {
        super(message);
    }

    public YamcsException(String message, Throwable t) {
        super(message, t);
    }

    public YamcsException(Throwable t) {
        super(t);
    }

    public YamcsException(String type, String message, Message extra) {
        super(message);
        this.type = type;
        this.extra = extra.toByteArray();
    }

    public YamcsException(String type, String message) {
        super(message);
        this.type = type;
    }

    public YamcsException(String type, String message, byte[] extra) {
        super(message);
        this.type = type;
        this.extra = extra;
    }

    public byte[] getExtra() {
        return extra;
    }

    public String getType() {
        return type;
    }

    public MessageLite decodeExtra(MessageLite.Builder b) throws InvalidProtocolBufferException {
        return b.mergeFrom(extra).build();
    }

    @Override
    public String toString() {
        Throwable t = getCause();
        if (t != null) {
            return getMessage() + ": " + t.toString();
        } else {
            return getMessage();
        }
    }
}