Examples with Field org.apache.bcel.classfile.Field used on opensource projects

Example 16 with Field

use of org.apache.bcel.classfile.Field in project fb-contrib by mebigfatguy.

the class WiringIssues method loadParentAutowireds.

/**
 * loads all the types that are injected by @Autowired annotations in super classes
 *
 * @param cls
 *            the class who's parents you want to load
 * @param wiredFields
 *            the collected map of autowired types
 * @throws ClassNotFoundException
 *             if a parent class can't be loaded
 */
@edu.umd.cs.findbugs.annotations.SuppressFBWarnings(value = "SF_SWITCH_NO_DEFAULT", justification = "Only a few cases need special handling")
private void loadParentAutowireds(JavaClass cls, Map<WiringType, FieldAnnotation> wiredFields) throws ClassNotFoundException {
    if (Values.DOTTED_JAVA_LANG_OBJECT.equals(cls.getClassName())) {
        return;
    }
    loadParentAutowireds(cls.getSuperClass(), wiredFields);
    Field[] fields = cls.getFields();
    if (fields.length > 0) {
        for (Field field : fields) {
            boolean hasAutowired = false;
            String qualifier = "";
            for (AnnotationEntry entry : field.getAnnotationEntries()) {
                switch(entry.getAnnotationType()) {
                    case SPRING_AUTOWIRED:
                        hasAutowired = true;
                        break;
                    case SPRING_QUALIFIER:
                        qualifier = entry.getElementValuePairs()[0].getValue().stringifyValue();
                        break;
                }
            }
            if (hasAutowired) {
                WiringType wt = new WiringType(field.getSignature(), field.getGenericSignature(), qualifier);
                wiredFields.put(wt, FieldAnnotation.fromBCELField(cls.getClassName(), field));
            }
        }
    }
}

Example 17 with Field

use of org.apache.bcel.classfile.Field in project fb-contrib by mebigfatguy.

the class DubiousListCollection method visitClassContext.

/**
 * overrides the visitor to accept classes that define List based fields
 *
 * @param classContext
 *            the context object for the currently parsed class
 */
@Override
public void visitClassContext(final ClassContext classContext) {
    JavaClass cls = classContext.getJavaClass();
    Field[] flds = cls.getFields();
    for (Field f : flds) {
        String sig = f.getSignature();
        if (sig.startsWith(Values.SIG_QUALIFIED_CLASS_PREFIX)) {
            if (sig.startsWith("Ljava/util/") && sig.endsWith("List;")) {
                fieldsReported.put(f.getName(), new FieldInfo());
            }
        }
    }
    if (!fieldsReported.isEmpty()) {
        super.visitClassContext(classContext);
        reportBugs();
    }
}

Example 18 with Field

use of org.apache.bcel.classfile.Field in project fb-contrib by mebigfatguy.

the class JPAIssues method catalogClass.

/**
 * parses the current class for spring-tx and jpa annotations, as well as hashCode and equals methods.
 *
 * @param cls
 *            the currently parsed class
 */
private void catalogClass(JavaClass cls) {
    transactionalMethods = new HashMap<>();
    isEntity = false;
    hasId = false;
    hasGeneratedValue = false;
    hasEagerOneToMany = false;
    hasHCEquals = false;
    for (AnnotationEntry entry : cls.getAnnotationEntries()) {
        if ("Ljavax/persistence/Entity;".equals(entry.getAnnotationType())) {
            isEntity = true;
            break;
        }
    }
    for (Method m : cls.getMethods()) {
        catalogFieldOrMethod(m);
        if (("equals".equals(m.getName()) && SignatureBuilder.SIG_OBJECT_TO_BOOLEAN.equals(m.getSignature())) || (Values.HASHCODE.equals(m.getName()) && SignatureBuilder.SIG_VOID_TO_INT.equals(m.getSignature()))) {
            hasHCEquals = true;
        }
    }
    for (Field f : cls.getFields()) {
        catalogFieldOrMethod(f);
    }
}

Example 19 with Field

use of org.apache.bcel.classfile.Field in project fb-contrib by mebigfatguy.

the class LocalHangingExecutor method parseFieldsForHangingCandidates.

private void parseFieldsForHangingCandidates(ClassContext classContext) {
    JavaClass cls = classContext.getJavaClass();
    Field[] fields = cls.getFields();
    for (Field f : fields) {
        String sig = f.getSignature();
        if (hangableSig.contains(sig)) {
            hangingFieldCandidates.put(XFactory.createXField(cls.getClassName(), f.getName(), f.getSignature(), f.isStatic()), new AnnotationPriority(FieldAnnotation.fromBCELField(cls, f), NORMAL_PRIORITY));
        }
    }
}

Example 20 with Field

use of org.apache.bcel.classfile.Field in project fb-contrib by mebigfatguy.

the class ImmatureClass method visitClassContext.

/**
 * overrides the visitor to report on classes without toStrings that have fields
 *
 * @param classContext
 *            the context object of the currently parsed class
 */
@Override
public void visitClassContext(ClassContext classContext) {
    JavaClass cls = classContext.getJavaClass();
    fieldStatus = FieldStatus.NONE;
    String packageName = cls.getPackageName();
    if (packageName.isEmpty()) {
        bugReporter.reportBug(new BugInstance(this, BugType.IMC_IMMATURE_CLASS_NO_PACKAGE.name(), LOW_PRIORITY).addClass(cls));
    }
    if (!packageName.equals(packageName.toLowerCase(Locale.ENGLISH))) {
        bugReporter.reportBug(new BugInstance(this, BugType.IMC_IMMATURE_CLASS_UPPER_PACKAGE.name(), LOW_PRIORITY).addClass(cls));
    }
    String simpleClassName = cls.getClassName();
    int dotPos = simpleClassName.lastIndexOf('.');
    if (dotPos >= 0) {
        simpleClassName = simpleClassName.substring(dotPos + 1);
    }
    if (!Character.isUpperCase(simpleClassName.charAt(0)) && (simpleClassName.indexOf(Values.INNER_CLASS_SEPARATOR) < 0) && !PACKAGE_INFO.equals(simpleClassName)) {
        bugReporter.reportBug(new BugInstance(this, BugType.IMC_IMMATURE_CLASS_LOWER_CLASS.name(), LOW_PRIORITY).addClass(cls));
    }
    if ((!cls.isAbstract()) && (!cls.isEnum()) && (cls.getClassName().indexOf(Values.INNER_CLASS_SEPARATOR) < 0) && !isTestClass(cls)) {
        try {
            boolean clsHasRuntimeAnnotation = classHasRuntimeVisibleAnnotation(cls);
            if (clsHasRuntimeAnnotation) {
                classIsJPAEntity = classIsJPAEntity(cls);
            } else {
                classIsJPAEntity = false;
            }
            HEStatus heStatus = HEStatus.UNKNOWN;
            checkIDEGeneratedParmNames(cls);
            for (Field f : cls.getFields()) {
                if (!f.isStatic() && !f.isSynthetic()) {
                    boolean fieldHasRuntimeAnnotation = fieldHasRuntimeVisibleAnnotation(f);
                    if (!fieldHasRuntimeAnnotation) {
                        /* only report one of these, so as not to flood the report */
                        if (!classIsJPAEntity && !hasMethodInHierarchy(cls, Values.TOSTRING, SignatureBuilder.SIG_VOID_TO_STRING)) {
                            bugReporter.reportBug(new BugInstance(this, BugType.IMC_IMMATURE_CLASS_NO_TOSTRING.name(), LOW_PRIORITY).addClass(cls));
                            heStatus = HEStatus.NOT_NEEDED;
                            break;
                        }
                        if (heStatus != HEStatus.NOT_NEEDED) {
                            String fieldSig = f.getSignature();
                            if (fieldSig.startsWith(Values.SIG_QUALIFIED_CLASS_PREFIX)) {
                                if (!fieldSig.startsWith("Ljava")) {
                                    JavaClass fieldClass = Repository.lookupClass(SignatureUtils.trimSignature(fieldSig));
                                    if (!hasMethodInHierarchy(fieldClass, "equals", SignatureBuilder.SIG_OBJECT_TO_BOOLEAN)) {
                                        heStatus = HEStatus.NOT_NEEDED;
                                    }
                                } else if (!fieldSig.startsWith("Ljava/lang/") && !fieldSig.startsWith("Ljava/util/")) {
                                    heStatus = HEStatus.NOT_NEEDED;
                                }
                            } else if (!fieldSig.startsWith(Values.SIG_ARRAY_PREFIX)) {
                                heStatus = HEStatus.NEEDED;
                            }
                        }
                    } else {
                        heStatus = HEStatus.NOT_NEEDED;
                    }
                }
            }
            if (!clsHasRuntimeAnnotation && (heStatus == HEStatus.NEEDED)) {
                if (!hasMethodInHierarchy(cls, "equals", SignatureBuilder.SIG_OBJECT_TO_BOOLEAN)) {
                    bugReporter.reportBug(new BugInstance(this, BugType.IMC_IMMATURE_CLASS_NO_EQUALS.name(), LOW_PRIORITY).addClass(cls));
                } else if (!hasMethodInHierarchy(cls, Values.HASHCODE, SignatureBuilder.SIG_VOID_TO_INT)) {
                    bugReporter.reportBug(new BugInstance(this, BugType.IMC_IMMATURE_CLASS_NO_HASHCODE.name(), LOW_PRIORITY).addClass(cls));
                }
            }
        } catch (ClassNotFoundException cnfe) {
            bugReporter.reportMissingClass(cnfe);
        }
    }
    super.visitClassContext(classContext);
}