Package org.apache.bcel.classfile

Examples of org.apache.bcel.classfile.JavaClass

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*/
public class AssertionMethodsFactory extends RecomputableClassAnalysisEngine<AssertionMethods> {

    @Override
    public AssertionMethods analyze(IAnalysisCache analysisCache, ClassDescriptor descriptor) throws CheckedAnalysisException {
        JavaClass jclass = analysisCache.getClassAnalysis(JavaClass.class, descriptor);
        return new AssertionMethods(jclass);
    }
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     * .classfile.IAnalysisCache, java.lang.Object)
     */
    @Override
    public ClassContext analyze(IAnalysisCache analysisCache, ClassDescriptor descriptor) throws CheckedAnalysisException {

        JavaClass javaClass = analysisCache.getClassAnalysis(JavaClass.class, descriptor);
        ClassContext classContext = new ClassContext(javaClass, AnalysisContext.currentAnalysisContext());
        return classContext;
    }
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            return null;
        }

        try {
            AnalysisContext analysisContext = AnalysisContext.currentAnalysisContext();
            JavaClass jclass = getJavaClass(analysisCache, descriptor.getClassDescriptor());
            ConstantPoolGen cpg = getConstantPoolGen(analysisCache, descriptor.getClassDescriptor());

            String methodName = method.getName();
            int codeLength = method.getCode().getLength();
            String superclassName = jclass.getSuperclassName();
            if (codeLength > 6000 && methodName.equals("<clinit>") && superclassName.equals("java.lang.Enum")) {
                analysisContext.getLookupFailureCallback().reportSkippedAnalysis(
                        new JavaClassAndMethod(jclass, method).toMethodDescriptor());
                return null;
            }
            if (analysisContext.getBoolProperty(AnalysisFeatures.SKIP_HUGE_METHODS)) {
                if (codeLength > 6000 || (methodName.equals("<clinit>") || methodName.equals("getContents")) && codeLength > 2000) {
                    analysisContext.getLookupFailureCallback().reportSkippedAnalysis(
                            new JavaClassAndMethod(jclass, method).toMethodDescriptor());
                    return null;
                }
            }

            return new MethodGen(method, jclass.getClassName(), cpg);
        } catch (Exception e) {
            AnalysisContext.logError("Error constructing methodGen", e);
            return null;
        }
    }
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     */
    @Override
    public JavaClass analyze(IAnalysisCache analysisCache, ClassDescriptor descriptor) throws CheckedAnalysisException {
        try {
            ClassData classData = analysisCache.getClassAnalysis(ClassData.class, descriptor);
            JavaClass javaClass = new ClassParser(classData.getInputStream(), descriptor.toResourceName()).parse();

            // Make sure that the JavaClass object knows the repository
            // it was loaded from.
            javaClass.setRepository(Repository.getRepository());

            if (DEBUG_MISSING_CLASSES && !(javaClass.getRepository() instanceof AnalysisCacheToRepositoryAdapter)) {
                throw new IllegalStateException("this should not happen");
            }

            return javaClass;
        } catch (RuntimeException e) {
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                    } else {
                        parser = new ClassParser(container.getPath(),
                            classname.replace('.', '/') + ".class");
                    }

                    JavaClass javaClass = parser.parse();
                    DescendingVisitor traverser
                         = new DescendingVisitor(javaClass, dependencyVisitor);
                    traverser.visit();
                } catch (IOException ioe) {
                    // ignore
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                    } else {
                        parser = new ClassParser(container.getPath(),
                            classname.replace('.', '/') + ".class");
                    }

                    JavaClass javaClass = parser.parse();
                    String[] interfaces = javaClass.getInterfaceNames();
                    for (int i = 0; i < interfaces.length; ++i) {
                        String interfaceName = interfaces[i];
                        if (!dependencies.containsKey(interfaceName)) {
                            nextAnalyze.put(interfaceName, interfaceName);
                        }
                    }

                    if (javaClass.isClass()) {
                        String superClass = javaClass.getSuperclassName();
                        if (!dependencies.containsKey(superClass)) {
                            nextAnalyze.put(superClass, superClass);
                        }
                    }
                } catch (IOException ioe) {
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                    } else {
                        parser = new ClassParser(container.getPath(),
                            classname.replace('.', '/') + ".class");
                    }

                    JavaClass javaClass = parser.parse();
                    DescendingVisitor traverser
                         = new DescendingVisitor(javaClass, dependencyVisitor);
                    traverser.visit();
                } catch (IOException ioe) {
                    // ignore
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                    } else {
                        parser = new ClassParser(container.getPath(),
                            classname.replace('.', '/') + ".class");
                    }

                    JavaClass javaClass = parser.parse();
                    String[] interfaces = javaClass.getInterfaceNames();
                    for (int i = 0; i < interfaces.length; ++i) {
                        String interfaceName = interfaces[i];
                        if (!dependencies.containsKey(interfaceName)) {
                            nextAnalyze.put(interfaceName, interfaceName);
                        }
                    }

                    if (javaClass.isClass()) {
                        String superClass = javaClass.getSuperclassName();
                        if (!dependencies.containsKey(superClass)) {
                            nextAnalyze.put(superClass, superClass);
                        }
                    }
                } catch (IOException ioe) {
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    public static final StringBuffer getConstants(byte[] bytes)
        throws IOException {
        final StringBuffer sb = new StringBuffer();
        final ByteArrayInputStream bis = new ByteArrayInputStream(bytes);
        final ClassParser parser = new ClassParser(bis, "");
        final JavaClass javaClass = parser.parse();
        final Field[] fields = javaClass.getFields();
        for (int i = 0; i < fields.length; i++) {
            final Field field = fields[i];
            if (field != null) {
                final ConstantValue cv = field.getConstantValue();
                if (cv != null) {
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  Enumeration classes = _bcelClasses.elements();
  final String now = (new Date()).toString();
  final java.util.jar.Attributes.Name dateAttr =
      new java.util.jar.Attributes.Name("Date");
  while (classes.hasMoreElements()) {
      final JavaClass clazz = (JavaClass)classes.nextElement();
      final String className = clazz.getClassName().replace('.','/');
      final java.util.jar.Attributes attr = new java.util.jar.Attributes();
      attr.put(dateAttr, now);
      map.put(className+".class", attr);
  }

  final File jarFile = new File(_destDir, _jarFileName);
  final JarOutputStream jos =
      new JarOutputStream(new FileOutputStream(jarFile), manifest);
  classes = _bcelClasses.elements();
  while (classes.hasMoreElements()) {
      final JavaClass clazz = (JavaClass)classes.nextElement();
      final String className = clazz.getClassName().replace('.','/');
      jos.putNextEntry(new JarEntry(className+".class"));
      final ByteArrayOutputStream out = new ByteArrayOutputStream(2048);
      clazz.dump(out); // dump() closes it's output stream
      out.writeTo(jos);
  }
  jos.close();
    }
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