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fix: support uppercase attribute names introspection (#173)
* fix: support uppercase attribute names introspection * fix: make getFieldName private * fix: polish * Add duplicated property test case (#178) * fix: add test case for private getter (#175) * fix: add test case for private getter * fix: polish test * fix: refactor IntrospectionUtils * fix: remove redundant code * fix: polish IntrospectionUtils * polish IntrospectionUtils * fix: use JPA's ManagedType for entity introspection * fix: cannot find symbol compile error * fix: cannot find symbol symbol: method isEmpty() * fix: add protected getter test case * fix: add ignored attribute property descriptor tests * fix: polish IntrospectionUtils * fix: add protectedGetter to CalculatedEntityTests * fix: refactor ObjectValue conversion * fix: refactor persistent attribute detection * fix: remove redundant code persistent detection logic * fix: add introspection support for protected getter methods * feat: refactor class introspection utils * Add custom metamodel test case * fix: refactor IntrospectionUtils to EntityIntrospector * fix: add ArrayUtil test coverage * fix: add ReflectionUtil tests * fix: add ClassIntrospector tests * fix: add ClassUtil tests * fix: filter static methods * fix: failing test methods * fix: add ObjectUtil tests * feat: add scanStatics option to ClassIntrospector * fix: add test coverage for annotation descriptors * fix: add constructor and property descriptor tests * fix: polish ClassIntrospectorTest format * fix: add PropertyDescriptor tests * fix: add PropertyDescriptor equals and hashCode * fix: add ConstructorDescriptor tests * fix: add PropertyDescriptor equals and hashCode tests * fix: add AnnotationDescriptor tests * fix: add FieldDescriptor tests * fix: add MethodDescriptor tests * fix: add BeanUtil test coverage * fix: add missing PropertyDescriptorTest coverage * fix: PropertyDecriptor NPE check * fix: add basic introspection tests
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‎graphql-jpa-query-schema/src/main/java/com/introproventures/graphql/jpa/query/introspection/AnnotationDescriptor.java

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package com.introproventures.graphql.jpa.query.introspection;
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import java.lang.annotation.Annotation;
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import java.lang.annotation.Documented;
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import java.lang.annotation.ElementType;
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import java.lang.annotation.Inherited;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import java.lang.annotation.Target;
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import java.util.Arrays;
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import java.util.Objects;
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public class AnnotationDescriptor {
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private final Annotation annotation;
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private final Class<? extends Annotation> annotationType;
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private final ElementType[] elementTypes;
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private final RetentionPolicy policy;
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private final boolean isDocumented;
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private final boolean isInherited;
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public <A extends Annotation> AnnotationDescriptor(A annotation) {
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this.annotation = annotation;
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annotationType = annotation.annotationType();
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Target target = annotationType.getAnnotation(Target.class);
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elementTypes = (target == null) ? ElementType.values() : target.value();
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Retention retention = annotationType.getAnnotation(Retention.class);
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policy = (retention == null) ? RetentionPolicy.CLASS : retention.value();
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Documented documented = annotationType.getAnnotation(Documented.class);
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isDocumented = (documented != null);
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Inherited inherited = annotationType.getAnnotation(Inherited.class);
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isInherited = (inherited != null);
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}
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@SuppressWarnings("unchecked")
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public <A extends Annotation> A getAnnotation() {
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return (A) annotation;
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}
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public Class<? extends Annotation> getAnnotationType() {
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return annotationType;
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}
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public ElementType[] getElementTypes() {
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return elementTypes;
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}
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public RetentionPolicy getPolicy() {
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return policy;
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}
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public boolean isDocumented() {
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return isDocumented;
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}
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public boolean isInherited() {
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return isInherited;
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}
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@Override
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public String toString() {
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StringBuilder builder = new StringBuilder();
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builder.append("AnnotationDescriptor [annotation=")
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.append(annotation)
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.append(", annotationType=")
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.append(annotationType)
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.append(", elementTypes=")
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.append(Arrays.toString(elementTypes))
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.append(", policy=")
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.append(policy)
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.append(", isDocumented=")
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.append(isDocumented)
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.append(", isInherited=")
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.append(isInherited)
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.append("]");
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return builder.toString();
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}
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@Override
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public int hashCode() {
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final int prime = 31;
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int result = 1;
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result = prime * result + Arrays.hashCode(elementTypes);
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result = prime * result + Objects.hash(annotation, annotationType, isDocumented, isInherited, policy);
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return result;
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}
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@Override
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public boolean equals(Object obj) {
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if (this == obj)
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return true;
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if (obj == null)
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return false;
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if (getClass() != obj.getClass())
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return false;
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AnnotationDescriptor other = (AnnotationDescriptor) obj;
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return Objects.equals(annotation, other.annotation)
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&& Objects.equals(annotationType, other.annotationType)
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&& Arrays.equals(elementTypes, other.elementTypes)
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&& isDocumented == other.isDocumented
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&& isInherited == other.isInherited
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&& policy == other.policy;
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}
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}

‎graphql-jpa-query-schema/src/main/java/com/introproventures/graphql/jpa/query/introspection/Annotations.java

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package com.introproventures.graphql.jpa.query.introspection;
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import java.lang.annotation.Annotation;
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import java.lang.reflect.AnnotatedElement;
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import java.util.Arrays;
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import java.util.Comparator;
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import java.util.LinkedHashMap;
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import java.util.Map;
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import java.util.Objects;
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public class Annotations {
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protected final AnnotatedElement annotatedElement;
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protected final Map<Class<? extends Annotation>, AnnotationDescriptor> annotationsMap;
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// cache
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private AnnotationDescriptor[] allAnnotations;
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public Annotations(AnnotatedElement annotatedElement) {
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this.annotatedElement = annotatedElement;
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this.annotationsMap = inspectAnnotations();
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}
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private Map<Class<? extends Annotation>, AnnotationDescriptor> inspectAnnotations() {
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Annotation[] annotations = ReflectionUtil.getAnnotation(annotatedElement);
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if (ArrayUtil.isEmpty(annotations)) {
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return null;
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}
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Map<Class<? extends Annotation>, AnnotationDescriptor> map = new LinkedHashMap<>(annotations.length);
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for (Annotation annotation : annotations) {
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map.put(annotation.annotationType(), new AnnotationDescriptor(annotation));
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}
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return map;
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}
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public AnnotationDescriptor getAnnotationDescriptor(Class<? extends Annotation> clazz) {
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if (annotationsMap == null) {
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return null;
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}
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return annotationsMap.get(clazz);
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}
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public AnnotationDescriptor[] getAllAnnotationDescriptors() {
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if (annotationsMap == null) {
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return null;
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}
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if (allAnnotations == null) {
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AnnotationDescriptor[] allAnnotations = new AnnotationDescriptor[annotationsMap.size()];
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int index = 0;
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for (AnnotationDescriptor annotationDescriptor : annotationsMap.values()) {
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allAnnotations[index] = annotationDescriptor;
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index++;
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}
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Arrays.sort(allAnnotations, new Comparator<AnnotationDescriptor>() {
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@Override
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public int compare(AnnotationDescriptor ad1, AnnotationDescriptor ad2) {
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return ad1.getClass().getName().compareTo(ad2.getClass().getName());
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}
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});
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this.allAnnotations = allAnnotations;
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}
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return allAnnotations;
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}
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@Override
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public String toString() {
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StringBuilder builder = new StringBuilder();
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builder.append("Annotations [annotatedElement=").append(annotatedElement).append("]");
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return builder.toString();
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}
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@Override
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public int hashCode() {
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return Objects.hash(annotatedElement);
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}
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@Override
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public boolean equals(Object obj) {
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if (this == obj)
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return true;
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if (obj == null)
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return false;
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if (getClass() != obj.getClass())
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return false;
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Annotations other = (Annotations) obj;
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return Objects.equals(annotatedElement, other.annotatedElement);
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}
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}

‎graphql-jpa-query-schema/src/main/java/com/introproventures/graphql/jpa/query/introspection/ArrayUtil.java

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package com.introproventures.graphql.jpa.query.introspection;
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import java.lang.reflect.Array;
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public class ArrayUtil {
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private static final int INDEX_NOT_FOUND = -1;
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public static boolean isEmpty(Object array) {
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if(array == null) {
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return true;
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}
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// not an array
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if(!array.getClass().isArray()) {
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return false;
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}
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// check array length
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return Array.getLength(array) == 0;
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}
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public static boolean isNotEmpty(Object array) {
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return !isEmpty(array);
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}
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public static int indexOf(Object[] array, Object objectToFind) {
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return indexOf(array, objectToFind, 0);
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}
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public static int indexOf(Object[] array, Object objectToFind, int startIndex) {
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if (array == null) {
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return INDEX_NOT_FOUND;
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}
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if (startIndex < 0) {
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startIndex = 0;
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}
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if (objectToFind == null) {
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for (int i = startIndex; i < array.length; i++) {
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if (array[i] == null) {
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return i;
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}
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}
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} else {
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for (int i = startIndex; i < array.length; i++) {
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if (objectToFind.equals(array[i])) {
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return i;
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}
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}
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}
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return INDEX_NOT_FOUND;
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}
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public static <T> T[] addAll(T[] array1, T[] array2) {
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if (array1 == null) {
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return (T[]) clone(array2);
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} else if (array2 == null) {
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return (T[]) clone(array1);
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}
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@SuppressWarnings("unchecked")
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T[] joinedArray = (T[]) Array.newInstance(array1.getClass().getComponentType(), array1.length + array2.length);
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System.arraycopy(array1, 0, joinedArray, 0, array1.length);
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try {
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System.arraycopy(array2, 0, joinedArray, array1.length, array2.length);
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} catch (ArrayStoreException ase) {
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// Check if problem was due to incompatible types
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/*
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* We do this here, rather than before the copy because: - it would be a wasted check most of the time -
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* safer, in case check turns out to be too strict
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*/
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final Class<?> type1 = array1.getClass().getComponentType();
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final Class<?> type2 = array2.getClass().getComponentType();
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if (!type1.isAssignableFrom(type2)) {
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throw new IllegalArgumentException("Cannot store " + type2.getName() + " in an array of "
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+ type1.getName());
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}
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throw ase; // No, so rethrow original
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}
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return joinedArray;
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}
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public static <T> T[] clone(T[] array) {
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if (array == null) {
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return null;
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}
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return (T[]) array.clone();
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}
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}

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