Java Code Examples for org.apache.bcel.classfile.AnnotationEntry#getElementValuePairs()

private void analyzeField(Field field, JavaClass javaClass) {
    for (AnnotationEntry annotation : field.getAnnotationEntries())  {
        if (ANNOTATION_TYPES.contains(annotation.getAnnotationType()) ||
                annotation.getAnnotationType().contains("JsonTypeInfo")) {
            for (ElementValuePair elementValuePair : annotation.getElementValuePairs()) {
                if ("use".equals((elementValuePair.getNameString())) &&
                        VULNERABLE_USE_NAMES.contains(elementValuePair.getValue().stringifyValue())) {
                    bugReporter.reportBug(new BugInstance(this, DESERIALIZATION_TYPE, HIGH_PRIORITY)
                            .addClass(javaClass)
                            .addString(javaClass.getClassName() + " on field " +
                                    field.getName() + " of type " + field.getType() +
                                    " annotated with " + annotation.toShortString())
                            .addField(FieldAnnotation.fromBCELField(javaClass, field))
                            .addString("")
                    );
                }
            }
        }
    }
}
 

@Override
public void visitAnnotation(Annotations arg0) {
    for (AnnotationEntry ae : arg0.getAnnotationEntries()) {
        boolean runtimeVisible = ae.isRuntimeVisible();
        String name = ClassName.fromFieldSignature(ae.getAnnotationType());
        if (name == null) {
            continue;
        }
        name = ClassName.toDottedClassName(name);
        Map<String, ElementValue> map = new HashMap<>();
        for (ElementValuePair ev : ae.getElementValuePairs()) {
            map.put(ev.getNameString(), ev.getValue());
        }
        visitAnnotation(name, map, runtimeVisible);

    }

}
 

private void checkAnnotationEntry(final AnnotationEntry a, final String name, final String elementname,
        final String elementvalue)
{
    assertTrue("Expected AnnotationEntry to have name " + name
            + " but it had name " + a.getAnnotationType(), a.getAnnotationType()
            .equals(name));
    assertTrue("Expected AnnotationEntry to have one element but it had "
            + a.getElementValuePairs().length, a.getElementValuePairs().length == 1);
    final ElementValuePair envp = a.getElementValuePairs()[0];
    assertTrue("Expected element name " + elementname + " but was "
            + envp.getNameString(), elementname
            .equals(envp.getNameString()));
    assertTrue("Expected element value " + elementvalue + " but was "
            + envp.getValue().stringifyValue(), elementvalue.equals(envp
            .getValue().stringifyValue()));
}
 

public void checkValue(final AnnotationEntry a, final String name, final String tostring)
{
    for (int i = 0; i < a.getElementValuePairs().length; i++)
    {
        final ElementValuePair element = a.getElementValuePairs()[i];
        if (element.getNameString().equals(name))
        {
            if (!element.getValue().stringifyValue().equals(tostring))
            {
                fail("Expected element " + name + " to have value "
                        + tostring + " but it had value "
                        + element.getValue().stringifyValue());
            }
            return;
        }
    }
    fail("Didnt find named element " + name);
}
 

private static ElementValuePair findMethodAnnotationAttribute(AnnotationEntry requestMappingAnnotation) {
    for (ElementValuePair elementValuePair : requestMappingAnnotation.getElementValuePairs()) {
        if (METHOD_ANNOTATION_ATTRIBUTE_KEY.equals(elementValuePair.getNameString())) {
            return elementValuePair;
        }
    }
    return null;
}
 

@Override
public void visitParameterAnnotation(ParameterAnnotations arg0) {
    ParameterAnnotationEntry[] parameterAnnotationEntries = arg0.getParameterAnnotationEntries();
    int numParametersToMethod = getNumberMethodArguments();
    int offset = 0;
    if (numParametersToMethod > parameterAnnotationEntries.length) {
        offset = 1;
    }
    for (int i = 0; i < parameterAnnotationEntries.length; i++) {
        ParameterAnnotationEntry e = parameterAnnotationEntries[i];
        for (AnnotationEntry ae : e.getAnnotationEntries()) {
            boolean runtimeVisible = ae.isRuntimeVisible();

            String name = ClassName.fromFieldSignature(ae.getAnnotationType());
            if (name == null) {
                continue;
            }
            name = ClassName.toDottedClassName(name);
            Map<String, ElementValue> map = new HashMap<>();
            for (ElementValuePair ev : ae.getElementValuePairs()) {
                map.put(ev.getNameString(), ev.getValue());
            }
            visitParameterAnnotation(offset + i, name, map, runtimeVisible);

        }
    }
}
 

private CheckReturnValueAnnotation createJSR305Annotation(AnnotationEntry entry) {
    for (ElementValuePair pair : entry.getElementValuePairs()) {
        if (pair.getNameString().equals("when")) {
            return CheckReturnValueAnnotation.createFor(When.valueOf(pair.getValue().stringifyValue()));
        }
    }
    // use default value
    return CheckReturnValueAnnotation.createFor(When.ALWAYS);
}
 

private CheckReturnValueAnnotation createSpotBugsAnnotation(AnnotationEntry entry) {
    for (ElementValuePair pair : entry.getElementValuePairs()) {
        if (pair.getNameString().equals("confidence")) {
            return CheckReturnValueAnnotation.parse(pair.getValue().stringifyValue());
        }
    }
    // use default value
    return CheckReturnValueAnnotation.parse(Confidence.MEDIUM.name());
}
 

private void assertArrayElementValue(final int nExpectedArrayValues, final AnnotationEntry anno)
{
    final ElementValuePair elementValuePair = anno.getElementValuePairs()[0];
    assertEquals("value", elementValuePair.getNameString());
    final ArrayElementValue ev = (ArrayElementValue) elementValuePair.getValue();
    final ElementValue[] eva = ev.getElementValuesArray();
    assertEquals(nExpectedArrayValues, eva.length);
}
 

private void assertSimpleElementValue(final AnnotationEntry anno)
{
    final ElementValuePair elementValuePair = anno.getElementValuePairs()[0];
    assertEquals("id", elementValuePair.getNameString());
    final SimpleElementValue ev = (SimpleElementValue)elementValuePair.getValue();
    assertEquals(42, ev.getValueInt());
}