001    /*
002     * Sonar, open source software quality management tool.
003     * Copyright (C) 2008-2012 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 java.util.ArrayList;
023    import java.util.Collection;
024    import java.util.HashSet;
025    import java.util.List;
026    import java.util.Set;
027    
028    import org.sonar.squid.api.SourceCodeEdgeUsage;
029    
030    public class AsmResource {
031    
032      private int accessFlags;
033      AsmClass parent;
034      boolean used = false;
035      private List<AsmEdge> outgoingEdges = new ArrayList<AsmEdge>();
036    
037      void setAccessFlags(int accessFlags) {
038        this.accessFlags = accessFlags;
039      }
040    
041      void addUsesOfClasses(AsmClass[] asmClasses) {
042        for (AsmClass asmClass : asmClasses) {
043          addEdge(new AsmEdge(this, asmClass, SourceCodeEdgeUsage.USES));
044        }
045      }
046    
047      public Set<AsmClass> getDistinctUsedAsmClasses() {
048        Set<AsmClass> distinctUsedAsmClasses = new HashSet<AsmClass>();
049        for (AsmEdge usage : getOutgoingEdges()) {
050          if (usage.getUsage() == SourceCodeEdgeUsage.USES) {
051            distinctUsedAsmClasses.add((AsmClass) usage.getTo());
052          }
053        }
054        return distinctUsedAsmClasses;
055      }
056    
057      public Set<AsmClass> getImplementedInterfaces() {
058        Set<AsmClass> implementedInterfaces = new HashSet<AsmClass>();
059        for (AsmEdge usage : getOutgoingEdges()) {
060          if (usage.getUsage() == SourceCodeEdgeUsage.IMPLEMENTS) {
061            implementedInterfaces.add((AsmClass) usage.getTo());
062          }
063        }
064        return implementedInterfaces;
065      }
066    
067      public void addEdge(AsmEdge edge) {
068        outgoingEdges.add(edge);
069      }
070    
071      public Collection<AsmEdge> getOutgoingEdges() {
072        return outgoingEdges;
073      }
074    
075      public AsmClass getParent() {
076        return parent;
077      }
078    
079      public boolean isAbstract() {
080        return AsmAccessFlags.isAbstract(accessFlags);
081      }
082    
083      public boolean isInterface() {
084        return AsmAccessFlags.isInterface(accessFlags);
085      }
086    
087      public boolean isStatic() {
088        return AsmAccessFlags.isStatic(accessFlags);
089      }
090    
091      boolean isPublic() {
092        return AsmAccessFlags.isPublic(accessFlags);
093      }
094    
095      public boolean isPrivate() {
096        return AsmAccessFlags.isPrivate(accessFlags);
097      }
098    
099      public boolean isProtected() {
100        return AsmAccessFlags.isProtected(accessFlags);
101      }
102    
103      boolean isFinal() {
104        return AsmAccessFlags.isFinal(accessFlags);
105      }
106    
107      public boolean isDeprecated() {
108        return AsmAccessFlags.isDeprecated(accessFlags);
109      }
110    
111      public void setUsed(boolean used) {
112        this.used = used;
113      }
114    
115      public boolean isUsed() {
116        return used;
117      }
118    }