01: /*
02: * <copyright>
03: *
04: * Copyright 2003-2004 BBNT Solutions, LLC
05: * under sponsorship of the Defense Advanced Research Projects
06: * Agency (DARPA).
07: *
08: * You can redistribute this software and/or modify it under the
09: * terms of the Cougaar Open Source License as published on the
10: * Cougaar Open Source Website (www.cougaar.org).
11: *
12: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
13: * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
14: * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
15: * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
16: * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
17: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
18: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
22: * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23: *
24: * </copyright>
25: */
26: package org.cougaar.tools.server.system;
27:
28: import java.io.BufferedReader;
29: import java.io.IOException;
30: import java.io.InputStream;
31:
32: /**
33: * Interface for an Operating System specific utility
34: * that<ol>
35: * <li>Creates a command-line for later
36: * <code>ProcessStatus</code> parsing.</li>
37: * <li>Parses the output to an array of
38: * ProcessStatus data structures.</li>
39: * </ol>
40: *
41: * @see SystemAccessFactory
42: */
43: public interface ProcessStatusReader {
44:
45: /**
46: * Get the OS-specific command line for invoking the
47: * process-status request.
48: */
49: String[] getCommandLine(boolean findAll);
50:
51: /**
52: * Parse the output of the <tt>getCommandLine(..)</tt>
53: * process.
54: */
55: ProcessStatus[] parseResponse(BufferedReader br) throws IOException;
56:
57: /**
58: * Equivalent to wrapping the <code>InputStream</code>
59: * in a BufferedReader and then calling
60: * <tt>parseResponse(br)</tt>.
61: */
62: ProcessStatus[] parseResponse(InputStream in) throws IOException;
63: }
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