94 lines
2.5 KiB
Java
94 lines
2.5 KiB
Java
package tools;
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import tools.LogLevel;
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import protocolP2P.ProtocolP2PPacket;
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import protocolP2P.Payload;
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import protocolP2P.RequestResponseCode;
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public abstract class ServeErrors {
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/** Implementation of writeLog
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* @param text Text to log
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* @param logLevel level of logging
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*/
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protected abstract void writeLog(String text, LogLevel logLevel);
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/** Implementation of writeLog
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* @param e exception to log
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* @param logLevel level of logging
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*/
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protected abstract void writeLog(Exception e, LogLevel logLevel);
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/** Create packets
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* @param payload Payload
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*/
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protected abstract < T extends Payload > ProtocolP2PPacket<?> createProtocolP2PPacket(T payload);
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/** Send a NotATracker error message.
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* @param pd Request received
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*/
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protected < T extends ProtocolP2PPacket<?> > void sendNotATracker(T pd) {
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try {
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pd.sendResponse(createProtocolP2PPacket(new Payload(RequestResponseCode.NOT_A_TRACKER)));
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} catch (Exception e) {
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writeLog(e, LogLevel.Error);
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}
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}
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/** Send an internal error message.
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* @param pd Request received
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*/
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protected < T extends ProtocolP2PPacket<?> > void sendInternalError(T pd) {
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writeLog("Internal Error", LogLevel.Warning);
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try {
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pd.sendResponse(createProtocolP2PPacket(new Payload(RequestResponseCode.INTERNAL_ERROR)));
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} catch (Exception e) {
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writeLog(e, LogLevel.Error);
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}
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}
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/** Send a not found message.
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* @param pd Request received
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*/
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protected < T extends ProtocolP2PPacket<?> > void sendNotFound(T pd) {
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try {
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pd.sendResponse(createProtocolP2PPacket(new Payload(RequestResponseCode.NOT_FOUND)));
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} catch (Exception e) {
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writeLog(e, LogLevel.Error);
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}
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}
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/** Send an empty directory message.
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* @param pd Request received
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*/
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protected < T extends ProtocolP2PPacket<?> > void sendEmptyDirectory(T pd) {
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try {
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pd.sendResponse(createProtocolP2PPacket(new Payload(RequestResponseCode.EMPTY_DIRECTORY)));
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} catch (Exception e) {
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writeLog(e, LogLevel.Error);
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}
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}
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/** Send an empty file message.
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* @param pd Request received
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*/
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protected < T extends ProtocolP2PPacket<?> > void sendEmptyFile(T pd) {
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try {
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pd.sendResponse(createProtocolP2PPacket(new Payload(RequestResponseCode.EMPTY_FILE)));
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} catch (Exception e) {
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writeLog(e, LogLevel.Error);
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}
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}
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/** Send an unknown host message.
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* @param pd Request received
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*/
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protected < T extends ProtocolP2PPacket<?> > void sendUnknownHost(T pd) {
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try {
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pd.sendResponse(createProtocolP2PPacket(new Payload(RequestResponseCode.UNKNOWN_HOST)));
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} catch (Exception e) {
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writeLog(e, LogLevel.Error);
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}
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}
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}
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