001 /* 002 * Sonar, open source software quality management tool. 003 * Copyright (C) 2008-2011 SonarSource 004 * mailto:contact AT sonarsource DOT com 005 * 006 * Sonar is free software; you can redistribute it and/or 007 * modify it under the terms of the GNU Lesser General Public 008 * License as published by the Free Software Foundation; either 009 * version 3 of the License, or (at your option) any later version. 010 * 011 * Sonar is distributed in the hope that it will be useful, 012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 * Lesser General Public License for more details. 015 * 016 * You should have received a copy of the GNU Lesser General Public 017 * License along with Sonar; if not, write to the Free Software 018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02 019 */ 020 package org.sonar.java.bytecode.asm; 021 022 import org.sonar.squid.api.SourceCodeEdgeUsage; 023 024 public class AsmEdge { 025 026 private final AsmResource from; 027 private final AsmResource to; 028 private final SourceCodeEdgeUsage usage; 029 private int sourceLineNumber = 0; 030 031 AsmEdge(AsmResource from, AsmResource to, SourceCodeEdgeUsage usage) { 032 this.from = from; 033 this.to = to; 034 this.usage = usage; 035 to.setUsed(true); 036 } 037 038 AsmEdge(AsmResource from, AsmResource to, SourceCodeEdgeUsage usage, int sourceLineNumber) { 039 this(from, to, usage); 040 this.sourceLineNumber = sourceLineNumber; 041 } 042 043 public int getSourceLineNumber() { 044 return sourceLineNumber; 045 } 046 047 public AsmClass getTargetAsmClass() { 048 if (getTo().getParent() != null) { 049 return getTo().getParent(); 050 } else { 051 return (AsmClass) getTo(); 052 } 053 } 054 055 public AsmResource getFrom() { 056 return from; 057 } 058 059 public AsmResource getTo() { 060 return to; 061 } 062 063 public SourceCodeEdgeUsage getUsage() { 064 return usage; 065 } 066 067 @Override 068 public boolean equals(Object obj) { 069 if ( !(obj instanceof AsmEdge)) { 070 return false; 071 } 072 AsmEdge edge = (AsmEdge) obj; 073 return from.equals(edge.from) && to.equals(edge.to); 074 } 075 076 @Override 077 public int hashCode() { 078 return from.hashCode() + to.hashCode() + usage.hashCode(); 079 } 080 }