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1   package org.apache.velocity.runtime.log;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.    
20   */
21  
22  import org.apache.velocity.runtime.RuntimeServices;
23  
24  /**
25   * Old base interface that old logging systems needed to implement.
26   *
27   * @author <a href="mailto:jon@latchkey.com">Jon S. Stevens</a>
28   * @author <a href="mailto:geirm@optonline.net">Geir Magnusson Jr.</a>
29   * @deprecated Use LogChute instead!
30   * @version $Id: LogSystem.java 463298 2006-10-12 16:10:32Z henning $
31   */
32  public interface LogSystem
33  {
34      /**
35       * @deprecated This is unused and meaningless
36       */
37      public final static boolean DEBUG_ON = true;
38  
39      /**
40       * ID for debug messages.
41       */
42      public final static int DEBUG_ID = 0;
43  
44      /**
45       * ID for info messages.
46       */
47      public final static int INFO_ID = 1;
48  
49      /**
50       * ID for warning messages.
51       */
52      public final static int WARN_ID = 2;
53  
54      /**
55       * ID for error messages.
56       */
57      public final static int ERROR_ID = 3;
58  
59      /**
60       * Initializes this LogSystem.
61       * @param rs
62       * @throws Exception
63       */
64      public void init( RuntimeServices rs ) throws Exception;
65  
66      /**
67       * @param level
68       * @param message
69       * @deprecated Use log(level, message).
70       */
71      public void logVelocityMessage(int level, String message);
72  }