1 /*
2 * Copyright 2010 Felix Roethenbacher
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package ch.syabru.nagios.broker;
17
18 import java.io.IOException;
19 import java.io.Writer;
20
21 /**
22 * External command interface.
23 *
24 * @author Felix Roethenbacher
25 *
26 */
27 public interface ExternalCommand {
28
29 /**
30 * Nagios state OK.
31 */
32 int STATE_OK = 0;
33 /**
34 * Nagios state warning.
35 */
36 int STATE_WARNING = 1;
37 /**
38 * Nagios state critical.
39 */
40 int STATE_CRITICAL = 2;
41 /**
42 * Nagios state unknown.
43 */
44 int STATE_UNKNOWN = 3;
45
46 /**
47 * Write external command to writer.
48 * @param writer Writer.
49 * @throws IOException XX.
50 */
51 void writeCommand(Writer writer) throws IOException;
52 }