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| 1 | +/* | |
| 2 | + * Copyright (c) 1998, 2001, Oracle and/or its affiliates. All rights reserved. | |
| 3 | + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 | + * | |
| 5 | + * This code is free software; you can redistribute it and/or modify it | |
| 6 | + * under the terms of the GNU General Public License version 2 only, as | |
| 7 | + * published by the Free Software Foundation. Oracle designates this | |
| 8 | + * particular file as subject to the "Classpath" exception as provided | |
| 9 | + * by Oracle in the LICENSE file that accompanied this code. | |
| 10 | + * | |
| 11 | + * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 | + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 | + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 | + * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 | + * accompanied this code). | |
| 16 | + * | |
| 17 | + * You should have received a copy of the GNU General Public License version | |
| 18 | + * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 | + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 | + * | |
| 21 | + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 | + * or visit www.oracle.com if you need additional information or have any | |
| 23 | + * questions. | |
| 24 | + */ | |
| 25 | + | |
| 26 | +package com.sun.jdi.request; | |
| 27 | + | |
| 28 | +import com.sun.jdi.*; | |
| 29 | + | |
| 30 | +/** | |
| 31 | + * Request for notification when an exception occurs in the target VM. | |
| 32 | + * When an enabled ExceptionRequest is satisfied, an | |
| 33 | + * {@link com.sun.jdi.event.EventSet event set} containing an | |
| 34 | + * {@link com.sun.jdi.event.ExceptionEvent ExceptionEvent} will be placed | |
| 35 | + * on the {@link com.sun.jdi.event.EventQueue EventQueue}. | |
| 36 | + * The collection of existing ExceptionRequests is | |
| 37 | + * managed by the {@link EventRequestManager} | |
| 38 | + * | |
| 39 | + * @see com.sun.jdi.event.ExceptionEvent | |
| 40 | + * @see com.sun.jdi.event.EventQueue | |
| 41 | + * @see EventRequestManager | |
| 42 | + * | |
| 43 | + * @author Robert Field | |
| 44 | + * @since 1.3 | |
| 45 | + */ | |
| 46 | +public interface ExceptionRequest extends EventRequest { | |
| 47 | + | |
| 48 | + /** | |
| 49 | + * Returns exception type for which exception events are requested. | |
| 50 | + * @return | |
| 51 | + * The exception (and its subclasses) requested | |
| 52 | + * with {@link EventRequestManager#createExceptionRequest}, or | |
| 53 | + * null if, as by default, all exceptions are requested. | |
| 54 | + */ | |
| 55 | + ReferenceType exception(); | |
| 56 | + | |
| 57 | + /** | |
| 58 | + * Returns whether caught exceptions of the requested type | |
| 59 | + * will generate events when they are thrown. | |
| 60 | + * <p> | |
| 61 | + * Note that at the time an exception is thrown, it is not always | |
| 62 | + * possible to determine whether it is truly caught. See | |
| 63 | + * {@link com.sun.jdi.event.ExceptionEvent#catchLocation} for | |
| 64 | + * details. | |
| 65 | + * @return | |
| 66 | + * boolean true if caught exceptions will be reported, false | |
| 67 | + * otherwise. | |
| 68 | + */ | |
| 69 | + boolean notifyCaught(); | |
| 70 | + | |
| 71 | + /** | |
| 72 | + * Returns whether uncaught exceptions of the requested type | |
| 73 | + * will generate events when they are thrown. | |
| 74 | + * <p> | |
| 75 | + * Note that at the time an exception is thrown, it is not always | |
| 76 | + * possible to determine whether it is truly uncaught. See | |
| 77 | + * {@link com.sun.jdi.event.ExceptionEvent#catchLocation} for | |
| 78 | + * details. | |
| 79 | + * @return | |
| 80 | + * boolean true if caught exceptions will be reported, false | |
| 81 | + * otherwise. | |
| 82 | + */ | |
| 83 | + boolean notifyUncaught(); | |
| 84 | + | |
| 85 | + /** | |
| 86 | + * Restricts the events generated by this request to those in | |
| 87 | + * the given thread. | |
| 88 | + * @param thread the thread to filter on. | |
| 89 | + * @throws InvalidRequestStateException if this request is currently | |
| 90 | + * enabled or has been deleted. | |
| 91 | + * Filters may be added only to disabled requests. | |
| 92 | + */ | |
| 93 | + void addThreadFilter(ThreadReference thread); | |
| 94 | + | |
| 95 | + /** | |
| 96 | + * Restricts the events generated by this request to those whose | |
| 97 | + * location is in the given reference type or any of its subtypes. | |
| 98 | + * An event will be generated for any location in a reference type | |
| 99 | + * that can be safely cast to the given reference type. | |
| 100 | + * | |
| 101 | + * @param refType the reference type to filter on. | |
| 102 | + * @throws InvalidRequestStateException if this request is currently | |
| 103 | + * enabled or has been deleted. | |
| 104 | + * Filters may be added only to disabled requests. | |
| 105 | + */ | |
| 106 | + void addClassFilter(ReferenceType refType); | |
| 107 | + | |
| 108 | + /** | |
| 109 | + * Restricts the events generated by this request to those | |
| 110 | + * whose location is in a class whose name matches a restricted | |
| 111 | + * regular expression. Regular expressions are limited | |
| 112 | + * to exact matches and patterns that begin with '*' or end with '*'; | |
| 113 | + * for example, "*.Foo" or "java.*". | |
| 114 | + * | |
| 115 | + * @param classPattern the pattern String to filter for. | |
| 116 | + * @throws InvalidRequestStateException if this request is currently | |
| 117 | + * enabled or has been deleted. | |
| 118 | + * Filters may be added only to disabled requests. | |
| 119 | + */ | |
| 120 | + void addClassFilter(String classPattern); | |
| 121 | + | |
| 122 | + /** | |
| 123 | + * Restricts the events generated by this request to those | |
| 124 | + * whose location is in a class whose name does <b>not</b> match a | |
| 125 | + * restricted regular expression. Regular expressions are limited | |
| 126 | + * to exact matches and patterns that begin with '*' or end with '*'; | |
| 127 | + * for example, "*.Foo" or "java.*". | |
| 128 | + * | |
| 129 | + * @param classPattern the pattern String to filter against. | |
| 130 | + * @throws InvalidRequestStateException if this request is currently | |
| 131 | + * enabled or has been deleted. | |
| 132 | + * Filters may be added only to disabled requests. | |
| 133 | + */ | |
| 134 | + void addClassExclusionFilter(String classPattern); | |
| 135 | + | |
| 136 | + /** | |
| 137 | + * Restricts the events generated by this request to those in | |
| 138 | + * which the currently executing instance ("this") is the object | |
| 139 | + * specified. | |
| 140 | + * <P> | |
| 141 | + * Not all targets support this operation. | |
| 142 | + * Use {@link VirtualMachine#canUseInstanceFilters()} | |
| 143 | + * to determine if the operation is supported. | |
| 144 | + * @since 1.4 | |
| 145 | + * @param instance the object which must be the current instance | |
| 146 | + * in order to pass this filter. | |
| 147 | + * @throws java.lang.UnsupportedOperationException if | |
| 148 | + * the target virtual machine does not support this | |
| 149 | + * operation. | |
| 150 | + * @throws InvalidRequestStateException if this request is currently | |
| 151 | + * enabled or has been deleted. | |
| 152 | + * Filters may be added only to disabled requests. | |
| 153 | + */ | |
| 154 | + void addInstanceFilter(ObjectReference instance); | |
| 155 | +} | |