Examples of org.apache.bcel.classfile.JavaClass

org.apache.bcel.classfile.JavaClass
sun.com/docs/specs/">JVM specification for details. The intent of this class is to represent a parsed or otherwise existing class file. Those interested in programatically generating classes should see the ClassGen class. @version $Id: JavaClass.java 386056 2006-03-15 11:31:56Z tcurdt $ @see org.apache.bcel.generic.ClassGen @author M. Dahm

    public void visitClassContext(ClassContext classContext) {
        if (!enabled()) {
            return;
        }


        JavaClass jClass = classContext.getJavaClass();
        XClass xClass = classContext.getXClass();


        try {


            if (!isJunit3TestCase(xClass)) {
                return;
            }
            if ((jClass.getAccessFlags() & ACC_ABSTRACT) == 0) {
                if (!hasTestMethods(jClass)) {
                    bugReporter.reportBug(new BugInstance(this, "IJU_NO_TESTS", LOW_PRIORITY).addClass(jClass));
                }
            }
            directChildOfTestCase = "junit.framework.TestCase".equals(jClass.getSuperclassName());
            jClass.accept(this);
        } catch (ClassNotFoundException cnfe) {
            bugReporter.reportMissingClass(cnfe);
        }


    }

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        if (hasSuite(methods)) {
            return true;
        }


        try {
            JavaClass sClass = jClass.getSuperClass();
            if (sClass != null) {
                return hasTestMethods(sClass);
            }
        } catch (ClassNotFoundException e) {
            AnalysisContext.reportMissingClass(e);

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            sawSuperCall = false;
            super.visit(obj);
            if (sawSuperCall) {
                return;
            }
            JavaClass we = Lookup.findSuperImplementor(getThisClass(), getMethodName(), "()V", bugReporter);
            if (we != null && !we.getClassName().equals("junit.framework.TestCase")) {
                // OK, got a bug
                int offset = 0;
                if (getMethodName().equals("tearDown")) {
                    offset = obj.getCode().length - 1;
                }

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            throws ClassNotFoundException {
        String className = inv.getClassName(cpg);
        String methodName = inv.getName(cpg);
        String methodSig = inv.getSignature(cpg);


        JavaClass jclass = Repository.lookupClass(className);
        return findMethod(jclass, methodName, methodSig, chooser);
    }

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            if (className.startsWith("[")) {
                // Java 1.5 allows array classes to appear as the class name
                className = "java.lang.Object";
            }


            JavaClass jClass = Repository.lookupClass(className);
            return findInvocationLeastUpperBound(jClass, methodName, methodSig, methodChooser,
                    opcode == Constants.INVOKEINTERFACE);


        }
    }

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                if (result != null) {
                    return null;
                }
            }
        } else {
            JavaClass sClass = jClass.getSuperClass();
            if (sClass != null) {
                return findInvocationLeastUpperBound(sClass, methodName, methodSig, methodChooser, invokeInterface);
            }
        }
        return null;

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        String methodSig = invokeInstruction.getSignature(cpg);


        // Array method calls aren't virtual.
        // They should just resolve to Object methods.
        if (receiverType instanceof ArrayType) {
            JavaClass javaLangObject = AnalysisContext.currentAnalysisContext().lookupClass("java.lang.Object");
            JavaClassAndMethod classAndMethod = findMethod(javaLangObject, methodName, methodSig, INSTANCE_METHOD);
            if (classAndMethod != null) {
                result.add(classAndMethod);
            }
            return result;
        }


        if (receiverType instanceof NullType) {
            return Collections.<JavaClassAndMethod> emptySet();
        }
        AnalysisContext analysisContext = AnalysisContext.currentAnalysisContext();


        // Get the receiver class.
        String receiverClassName = ((ObjectType) receiverType).getClassName();
        JavaClass receiverClass = analysisContext.lookupClass(receiverClassName);
        ClassDescriptor receiverDesc = DescriptorFactory.createClassDescriptorFromDottedClassName(receiverClassName);


        // Figure out the upper bound for the method.
        // This is what will be called if this is not a virtual call site.
        JavaClassAndMethod upperBound = findMethod(receiverClass, methodName, methodSig, CONCRETE_METHOD);

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     * @param fieldName
     *            the name of the field
     * @return the Field, or null if no such field could be found
     */
    public static Field findField(String className, String fieldName) throws ClassNotFoundException {
        JavaClass jclass = Repository.lookupClass(className);


        while (jclass != null) {
            Field[] fieldList = jclass.getFields();
            for (Field field : fieldList) {
                if (field.getName().equals(fieldName)) {
                    return field;
                }
            }


            jclass = jclass.getSuperClass();
        }


        return null;
    }

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    private boolean embeddedNameMismatch(ZipFile zipInputFile, ZipEntry ze) throws IOException {
        InputStream zipIn = zipInputFile.getInputStream(ze);
        String name = ze.getName();
        JavaClass j = new ClassParser(zipIn, name).parse();
        zipIn.close();
        String className = j.getClassName();
        String computedFileName = ClassName.toSlashedClassName(className)+".class";
        if (name.charAt(0) == '1') {
            System.out.println(name);
            System.out.println("  " + className);
        }

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        String refName = getComponentClass(refSig);
        if (refName.equals("java.lang.Object")) {
            return 0.99;
        }


        JavaClass refJavaClass = Repository.lookupClass(refName);
        return isDeepSerializable(refJavaClass);
    }

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