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1 /* ==================================================================== 2 * The Apache Software License, Version 1.1 3 * 4 * Copyright (c) 2000 The Apache Software Foundation. All rights 5 * reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in 16 * the documentation and/or other materials provided with the 17 * distribution. 18 * 19 * 3. The end-user documentation included with the redistribution, 20 * if any, must include the following acknowledgment: 21 * "This product includes software developed by the 22 * Apache Software Foundation (http://www.apache.org/)." 23 * Alternately, this acknowledgment may appear in the software itself, 24 * if and wherever such third-party acknowledgments normally appear. 25 * 26 * 4. The names "Apache" and "Apache Software Foundation" must 27 * not be used to endorse or promote products derived from this 28 * software without prior written permission. For written 29 * permission, please contact apache@apache.org. 30 * 31 * 5. Products derived from this software may not be called "Apache", 32 * nor may "Apache" appear in their name, without prior written 33 * permission of the Apache Software Foundation. 34 * 35 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 36 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 37 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 38 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 41 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 42 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 43 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 44 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 45 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 46 * SUCH DAMAGE. 47 * ==================================================================== 48 * 49 * This software consists of voluntary contributions made by many 50 * individuals on behalf of the Apache Software Foundation. For more 51 * information on the Apache Software Foundation, please see 52 * <http://www.apache.org/>;. 53 * 54 * Portions of this software are based upon public domain software 55 * originally written at the National Center for Supercomputing Applications, 56 * University of Illinois, Urbana-Champaign. 57 */ 58 59 package org.troublescope.ui; 60 61 import java.net.URL; 62 import org.troublescope.*; 63 import org.troublescope.evaluation.EvaluationResults; 64 65 /*** 66 * A automated troubleshooting client. 67 */ 68 public abstract class TroubleshootingClient 69 { 70 71 private Troubleshoot troubleshoot; 72 private ApplicationContext ctx; 73 private UserInteractionHandler userInteractionHandler; 74 private EvaluationResults evalResults; 75 76 /*** 77 * Create a new <code>TroubleshootingClient</code>. 78 */ 79 public TroubleshootingClient(UserInteractionHandler userInteractionHandler) 80 { 81 this.userInteractionHandler = userInteractionHandler; 82 } 83 84 /*** 85 * Initialize this client. 86 */ 87 public void init() 88 throws TroubleScopeException 89 { 90 if (ctx == null) { 91 ctx = new ApplicationContext(); 92 } 93 troubleshoot = loadTroubleshoot(); 94 } 95 96 /*** 97 * Perform the gathering of inputs. 98 */ 99 public void performInputs() 100 throws TroubleScopeException 101 { 102 troubleshoot.gatherInputs(ctx, userInteractionHandler); 103 } 104 105 /*** 106 * Perform the evaluation. 107 */ 108 public void performEvaluation() 109 throws TroubleScopeException 110 { 111 evalResults = troubleshoot.evaluate(ctx, userInteractionHandler); 112 } 113 114 /*** 115 * Perform the resolution. 116 */ 117 public void performResolution() 118 { 119 } 120 121 /*** 122 * Destroy the client. 123 */ 124 public void destroy() 125 { 126 } 127 128 /*** 129 * Load the configuration. 130 */ 131 protected Troubleshoot loadTroubleshoot() 132 throws TroubleScopeException 133 { 134 URL url = getClass().getClassLoader().getResource("troubleshoot.xml"); 135 if (url == null) { 136 throw new TroubleScopeException("Cannot find troubleshooting definition file"); 137 } 138 return Troubleshoot.createInstance(url); 139 } 140 141 }

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