1 /* 2 * Copyright (c) 1999, 2011, 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 /* 27 * This source code is provided to illustrate the usage of a given feature 28 * or technique and has been deliberately simplified. Additional steps 29 * required for a production-quality application, such as security checks, 30 * input validation and proper error handling, might not be present in 31 * this sample code. 32 */ 33 34 35 package com.sun.tools.example.debug.bdi; 36 37 import com.sun.jdi.*; 38 39 class SourceNameReferenceTypeSpec implements ReferenceTypeSpec { 40 final String sourceName; 41 final int linenumber; 42 43 SourceNameReferenceTypeSpec(String sourceName, int linenumber) { 44 this.sourceName = sourceName; 45 this.linenumber = linenumber; 46 } 47 48 /** 49 * Does the specified ReferenceType match this spec. 50 */ 51 @Override 52 public boolean matches(ReferenceType refType) { 53 try { 54 if (refType.sourceName().equals(sourceName)) { 55 try { 56 refType.locationsOfLine(linenumber); 57 // if we don't throw an exception then it was found 58 return true; 59 } catch(AbsentInformationException exc) { 60 } catch(ObjectCollectedException exc) { 61 } 62 } 63 } catch(AbsentInformationException exc) { 64 // for sourceName(), fall through 65 } 66 return false; 67 } 68 69 @Override 70 public int hashCode() { 71 return sourceName.hashCode() + linenumber; 72 } 73 74 @Override 75 public boolean equals(Object obj) { 76 if (obj instanceof SourceNameReferenceTypeSpec) { 77 SourceNameReferenceTypeSpec spec = (SourceNameReferenceTypeSpec)obj; 78 79 return sourceName.equals(spec.sourceName) && 80 (linenumber == spec.linenumber); 81 } else { 82 return false; 83 } 84 } 85 86 @Override 87 public String toString() { 88 return sourceName + "@" + linenumber; 89 } 90 }