Java Code Examples for org.apache.bcel.classfile.JavaClass#getPackageName()

public void setupVisitorForClass(JavaClass obj) {
    constantPool = obj.getConstantPool();
    thisClass = obj;
    ConstantClass c = (ConstantClass) constantPool.getConstant(obj.getClassNameIndex());
    className = getStringFromIndex(c.getNameIndex());
    dottedClassName = className.replace('/', '.');
    packageName = obj.getPackageName();
    sourceFile = obj.getSourceFileName();
    dottedSuperclassName = obj.getSuperclassName();
    superclassName = dottedSuperclassName.replace('.', '/');

    ClassDescriptor cDesc = DescriptorFactory.createClassDescriptor(className);
    if (!FindBugs.isNoAnalysis()) {
        try {
            thisClassInfo = (ClassInfo) Global.getAnalysisCache().getClassAnalysis(XClass.class, cDesc);
        } catch (CheckedAnalysisException e) {
            throw new AssertionError("Can't find ClassInfo for " + cDesc);
        }
    }

    super.visitJavaClass(obj);
}
 

@Override
public void visit(JavaClass obj) {
    try {
        methodMap.clear();
        badOverrideMap.clear();
        JavaClass superClass = obj.getSuperClass();
        if (superClass == null) {
            return;
        }
        String packageName = superClass.getPackageName();
        String className = superClass.getClassName();

        // A more generic way to add Adapters would be nice here
        isAdapter = ((className.endsWith("Adapter")) && ("java.awt.event".equals(packageName) || "javax.swing.event".equals(packageName)))
                || (("DefaultHandler".equals(className) && ("org.xml.sax.helpers".equals(packageName))));
        if (isAdapter) {
            Method[] methods = superClass.getMethods();
            for (Method method1 : methods) {
                methodMap.put(method1.getName(), method1.getSignature());
            }
        }
    } catch (ClassNotFoundException cnfe) {
        bugReporter.reportMissingClass(cnfe);
    }
}
 

public void addClass(final InputStream classStream, final boolean doNotify) throws IOException {
  final JavaClass jclazz = new ClassParser(classStream, null).parse();

  String packageName = jclazz.getPackageName();
  if (packageName == null || packageName.length() == 0) {
    packageName = "<default>";
  }

  PackageItem packageItem = getPackageForName(packageName);
  if (packageItem == null) {
    packageItem = addPackage(packageName);
  }

  packageItem.addClass(new ClassItem(packageItem, jclazz));

  if (doNotify) {
    for (final TreeModelListener l : this.treeModelListeners) {
      l.treeStructureChanged(new TreeModelEvent(this, new TreePath(this)));
    }
  }
}
 

@Override
public void visitJavaClass( final JavaClass clazz ) {
    String class_name = clazz.getClassName();
    final String super_name = clazz.getSuperclassName();
    final String package_name = clazz.getPackageName();
    final String inter = Utility.printArray(clazz.getInterfaceNames(), false, true);
    if (!"".equals(package_name)) {
        class_name = class_name.substring(package_name.length() + 1);
        _out.println("package " + package_name + ";");
        _out.println();
    }
    _out.println("import " + BASE_PACKAGE + ".generic.*;");
    _out.println("import " + BASE_PACKAGE + ".classfile.*;");
    _out.println("import " + BASE_PACKAGE + ".*;");
    _out.println("import java.io.*;");
    _out.println();
    _out.println("public class " + class_name + "Creator {");
    _out.println("  private InstructionFactory _factory;");
    _out.println("  private ConstantPoolGen    _cp;");
    _out.println("  private ClassGen           _cg;");
    _out.println();
    _out.println("  public " + class_name + "Creator() {");
    _out.println("    _cg = new ClassGen(\""
            + (("".equals(package_name)) ? class_name : package_name + "." + class_name)
            + "\", \"" + super_name + "\", " + "\"" + clazz.getSourceFileName() + "\", "
            + printFlags(clazz.getAccessFlags(), FLAGS.CLASS) + ", "
            + "new String[] { " + inter + " });");
    _out.println("    _cg.setMajor(" + clazz.getMajor() +");");
    _out.println("    _cg.setMinor(" + clazz.getMinor() +");");
    _out.println();
    _out.println("    _cp = _cg.getConstantPool();");
    _out.println("    _factory = new InstructionFactory(_cg, _cp);");
    _out.println("  }");
    _out.println();
    printCreate();
    final Field[] fields = clazz.getFields();
    if (fields.length > 0) {
        _out.println("  private void createFields() {");
        _out.println("    FieldGen field;");
        for (final Field field : fields) {
            field.accept(this);
        }
        _out.println("  }");
        _out.println();
    }
    final Method[] methods = clazz.getMethods();
    for (int i = 0; i < methods.length; i++) {
        _out.println("  private void createMethod_" + i + "() {");
        methods[i].accept(this);
        _out.println("  }");
        _out.println();
    }
    printMain();
    _out.println("}");
}
 

private void addClassFileMetadata(GraphRewrite event, EvaluationContext context, JavaClassFileModel javaClassFileModel)
{
    try (FileInputStream fis = new FileInputStream(javaClassFileModel.getFilePath()))
    {
        final ClassParser parser = new ClassParser(fis, javaClassFileModel.getFilePath());
        final JavaClass bcelJavaClass = parser.parse();
        final String packageName = bcelJavaClass.getPackageName();

        final String qualifiedName = bcelJavaClass.getClassName();

        final JavaClassService javaClassService = new JavaClassService(event.getGraphContext());
        final JavaClassModel javaClassModel = javaClassService.create(qualifiedName);
        int majorVersion = bcelJavaClass.getMajor();
        int minorVersion = bcelJavaClass.getMinor();

        String simpleName = qualifiedName;
        if (packageName != null && !packageName.isEmpty() && simpleName != null)
        {
            simpleName = StringUtils.substringAfterLast(simpleName, ".");
        }

        javaClassFileModel.setMajorVersion(majorVersion);
        javaClassFileModel.setMinorVersion(minorVersion);
        javaClassFileModel.setPackageName(packageName);

        javaClassModel.setSimpleName(simpleName);
        javaClassModel.setPackageName(packageName);
        javaClassModel.setQualifiedName(qualifiedName);
        javaClassModel.setClassFile(javaClassFileModel);
        javaClassModel.setPublic(bcelJavaClass.isPublic());
        javaClassModel.setInterface(bcelJavaClass.isInterface());

        final String[] interfaceNames = bcelJavaClass.getInterfaceNames();
        if (interfaceNames != null)
        {
            for (final String interfaceName : interfaceNames)
            {
                JavaClassModel interfaceModel = javaClassService.getOrCreatePhantom(interfaceName);
                javaClassService.addInterface(javaClassModel, interfaceModel);
            }
        }

        String superclassName = bcelJavaClass.getSuperclassName();
        if (!bcelJavaClass.isInterface() && !StringUtils.isBlank(superclassName))
            javaClassModel.setExtends(javaClassService.getOrCreatePhantom(superclassName));

        javaClassFileModel.setJavaClass(javaClassModel);
    }
    catch (Exception ex)
    {
        String nl = ex.getMessage() != null ? Util.NL + "\t" : " ";
        final String message = "BCEL was unable to parse class file '" + javaClassFileModel.getFilePath() + "':" + nl + ex.toString();
        LOG.log(Level.WARNING, message);
        ClassificationService classificationService = new ClassificationService(event.getGraphContext());
        classificationService.attachClassification(event, context, javaClassFileModel, UNPARSEABLE_CLASS_CLASSIFICATION, UNPARSEABLE_CLASS_DESCRIPTION);
        javaClassFileModel.setParseError(message);
        javaClassFileModel.setSkipDecompilation(true);
    }
}