com.easydiameter.exception.DiameterParseException Maven / Gradle / Ivy

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package com.easydiameter.exception;

import java.util.ArrayList;
import java.util.Iterator;

import com.easydiameter.packet.message.DiameterHeader;
import com.easydiameter.packet.message.DiameterMessage;
import com.easydiameter.util.BufferUtilities;

public class DiameterParseException extends DiameterException {
   // Super class requires this
   private static final long serialVersionUID  = 0;

   // Support for multiple Failed-AVP
   private ArrayList failedAvpDataList = new ArrayList();

   // the reference for the message on process
   private DiameterMessage   receivedMessage   = null;

   // reference for Diameter header in the case of no reference to received
   // message or when the application wants to access only header information.
   // Therefore it refers to the header of receivedMessage when it is set.
   private DiameterHeader    receivedHeader    = null;

   /*
    * =========================================================================
    * Constructors for any situation
    * =========================================================================
    */
   public DiameterParseException(long error, String message) {
      super(error, message, DiameterException.DIAMETER_PARSE_EXCEPTION);
   }

   public DiameterParseException(long error, DiameterHeader rcvHeader, String message) {
      super(error, message, DiameterException.DIAMETER_PARSE_EXCEPTION);
      this.receivedHeader = rcvHeader;
   }

   public DiameterParseException(long error, DiameterMessage rcvMessage, String message) {
      super(error, message, DiameterException.DIAMETER_PARSE_EXCEPTION);
      this.receivedMessage = rcvMessage;
      this.receivedHeader = rcvMessage.getHeader();
   }

   public DiameterParseException(long error, byte[] failedAvpData, DiameterMessage rcvMessage, String message) {
      super(error, message, DiameterException.DIAMETER_PARSE_EXCEPTION);
      this.receivedMessage = rcvMessage;
      this.receivedHeader = rcvMessage.getHeader();
      this.failedAvpDataList.add(failedAvpData);
   }

   public DiameterParseException(long error, ArrayList failedAvpList, DiameterMessage rcvMessage, String message) {
      super(error, message, DiameterException.DIAMETER_PARSE_EXCEPTION);
      this.failedAvpDataList = failedAvpList;
      this.receivedMessage = rcvMessage;
      this.receivedHeader = rcvMessage.getHeader();
   }

   public DiameterParseException(DiameterMessage rcvMessage, DiameterException exp) {
      super(exp.getErrorReason(), exp.getMessage(), exp, DiameterException.DIAMETER_PARSE_EXCEPTION);
      this.receivedMessage = rcvMessage;
      this.receivedHeader = rcvMessage.getHeader();
   }

   /*
    * =========================================================================
    * Accessors and Mutators
    * =========================================================================
    */

   public DiameterMessage getReceivedMessage() {
      return receivedMessage;
   }

   public DiameterHeader getReceivedHeader() {
      if (receivedMessage != null) {
         return receivedMessage.getHeader();
      } else {
         return receivedHeader;
      }
   }

   public ArrayList getFailedAvpList() {
      return this.failedAvpDataList;
   }

   public void addFailedAvp(byte[] failedData) {
      this.failedAvpDataList.add(failedData);
   }

   @Override
   public String toString() {
      StringBuilder sb = new StringBuilder(super.toString());
      printData(sb);
      return sb.toString();
   }

   /*
    * =========================================================================
    * Utility
    * =========================================================================
    */
   public void printData(StringBuilder buffer) {
      buffer.append("\nError Reason  = " + errorReason);
      if (receivedHeader != null) {
         buffer.append("\nCommand Code  = " + receivedHeader.getCommandCode());
         buffer.append("\nFlags Byte    = " + Integer.toBinaryString(receivedHeader.getCommandFlags() & 0xFF));
         Iterator iterator = this.failedAvpDataList.iterator();
         while (iterator.hasNext()) {
            byte[] data = iterator.next();
            int length = data.length;
            buffer.append("\nfailedAvpData = " + BufferUtilities.byteToHexString(data, 0, length));
         }
      }
   }
}