/* * Copyright 1999-2005 The Apache Software Foundation. *  * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at *  *      http://www.apache.org/licenses/LICENSE-2.0 *  * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */package org.apache.log4j.spi;/**   This interface defines commonly encoutered error codes.   @author Ceki Gülcü   @since 0.9.0 */public interface ErrorCode {  public final int GENERIC_FAILURE = 0;  public final int WRITE_FAILURE = 1;  public final int FLUSH_FAILURE = 2;  public final int CLOSE_FAILURE = 3;  public final int FILE_OPEN_FAILURE = 4;  public final int MISSING_LAYOUT = 5;  public final int ADDRESS_PARSE_FAILURE = 6;}