GenericTypeAwarePropertyDescriptor implements equals/hashCode for proper lookups on IBM JVM 6

Issue: SPR-12185
This commit is contained in:
Juergen Hoeller 2014-09-16 23:40:10 +02:00
parent 824c90d2bf
commit 5cd59d044e
4 changed files with 328 additions and 436 deletions

View File

@ -30,15 +30,12 @@ import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Enumeration;
import java.util.List;
import java.util.Set;
import java.util.TreeSet;
import org.springframework.util.ObjectUtils;
import static org.springframework.beans.PropertyDescriptorUtils.*;
/**
* Decorator for a standard {@link BeanInfo} object, e.g. as created by
* {@link Introspector#getBeanInfo(Class)}, designed to discover and register static
@ -141,7 +138,7 @@ class ExtendedBeanInfo implements BeanInfo {
private void handleCandidateWriteMethod(Method method) throws IntrospectionException {
int nParams = method.getParameterTypes().length;
String propertyName = propertyNameFor(method);
Class<?> propertyType = method.getParameterTypes()[nParams-1];
Class<?> propertyType = method.getParameterTypes()[nParams - 1];
PropertyDescriptor existingPd = findExistingPropertyDescriptor(propertyName, propertyType);
if (nParams == 1) {
if (existingPd == null) {
@ -243,399 +240,263 @@ class ExtendedBeanInfo implements BeanInfo {
public MethodDescriptor[] getMethodDescriptors() {
return this.delegate.getMethodDescriptors();
}
}
class SimplePropertyDescriptor extends PropertyDescriptor {
static class SimplePropertyDescriptor extends PropertyDescriptor {
private Method readMethod;
private Method readMethod;
private Method writeMethod;
private Method writeMethod;
private Class<?> propertyType;
private Class<?> propertyType;
private Class<?> propertyEditorClass;
private Class<?> propertyEditorClass;
public SimplePropertyDescriptor(PropertyDescriptor original) throws IntrospectionException {
this(original.getName(), original.getReadMethod(), original.getWriteMethod());
copyNonMethodProperties(original, this);
}
public SimplePropertyDescriptor(String propertyName, Method readMethod, Method writeMethod) throws IntrospectionException {
super(propertyName, null, null);
this.readMethod = readMethod;
this.writeMethod = writeMethod;
this.propertyType = findPropertyType(readMethod, writeMethod);
}
@Override
public Method getReadMethod() {
return this.readMethod;
}
@Override
public void setReadMethod(Method readMethod) {
this.readMethod = readMethod;
}
@Override
public Method getWriteMethod() {
return this.writeMethod;
}
@Override
public void setWriteMethod(Method writeMethod) {
this.writeMethod = writeMethod;
}
@Override
public Class<?> getPropertyType() {
if (this.propertyType == null) {
try {
this.propertyType = findPropertyType(this.readMethod, this.writeMethod);
}
catch (IntrospectionException ex) {
// Ignore, as does PropertyDescriptor#getPropertyType
}
public SimplePropertyDescriptor(PropertyDescriptor original) throws IntrospectionException {
this(original.getName(), original.getReadMethod(), original.getWriteMethod());
PropertyDescriptorUtils.copyNonMethodProperties(original, this);
}
public SimplePropertyDescriptor(String propertyName, Method readMethod, Method writeMethod) throws IntrospectionException {
super(propertyName, null, null);
this.readMethod = readMethod;
this.writeMethod = writeMethod;
this.propertyType = PropertyDescriptorUtils.findPropertyType(readMethod, writeMethod);
}
@Override
public Method getReadMethod() {
return this.readMethod;
}
@Override
public void setReadMethod(Method readMethod) {
this.readMethod = readMethod;
}
@Override
public Method getWriteMethod() {
return this.writeMethod;
}
@Override
public void setWriteMethod(Method writeMethod) {
this.writeMethod = writeMethod;
}
@Override
public Class<?> getPropertyType() {
if (this.propertyType == null) {
try {
this.propertyType = PropertyDescriptorUtils.findPropertyType(this.readMethod, this.writeMethod);
}
catch (IntrospectionException ex) {
// Ignore, as does PropertyDescriptor#getPropertyType
}
}
return this.propertyType;
}
@Override
public Class<?> getPropertyEditorClass() {
return this.propertyEditorClass;
}
@Override
public void setPropertyEditorClass(Class<?> propertyEditorClass) {
this.propertyEditorClass = propertyEditorClass;
}
@Override
public boolean equals(Object other) {
return (this == other || (other instanceof PropertyDescriptor &&
PropertyDescriptorUtils.equals(this, (PropertyDescriptor) other)));
}
@Override
public int hashCode() {
return (ObjectUtils.nullSafeHashCode(getReadMethod()) * 29 + ObjectUtils.nullSafeHashCode(getWriteMethod()));
}
@Override
public String toString() {
return String.format("%s[name=%s, propertyType=%s, readMethod=%s, writeMethod=%s]",
getClass().getSimpleName(), getName(), getPropertyType(), this.readMethod, this.writeMethod);
}
return this.propertyType;
}
@Override
public Class<?> getPropertyEditorClass() {
return this.propertyEditorClass;
}
@Override
public void setPropertyEditorClass(Class<?> propertyEditorClass) {
this.propertyEditorClass = propertyEditorClass;
}
static class SimpleIndexedPropertyDescriptor extends IndexedPropertyDescriptor {
@Override
public boolean equals(Object other) {
return (this == other || (other instanceof PropertyDescriptor &&
PropertyDescriptorUtils.equals(this, (PropertyDescriptor) other)));
}
private Method readMethod;
@Override
public int hashCode() {
return (ObjectUtils.nullSafeHashCode(getReadMethod()) * 29 + ObjectUtils.nullSafeHashCode(getWriteMethod()));
}
private Method writeMethod;
@Override
public String toString() {
return String.format("%s[name=%s, propertyType=%s, readMethod=%s, writeMethod=%s]",
getClass().getSimpleName(), getName(), getPropertyType(), this.readMethod, this.writeMethod);
}
}
private Class<?> propertyType;
private Method indexedReadMethod;
class SimpleIndexedPropertyDescriptor extends IndexedPropertyDescriptor {
private Method indexedWriteMethod;
private Method readMethod;
private Class<?> indexedPropertyType;
private Method writeMethod;
private Class<?> propertyEditorClass;
private Class<?> propertyType;
public SimpleIndexedPropertyDescriptor(IndexedPropertyDescriptor original) throws IntrospectionException {
this(original.getName(), original.getReadMethod(), original.getWriteMethod(),
original.getIndexedReadMethod(), original.getIndexedWriteMethod());
PropertyDescriptorUtils.copyNonMethodProperties(original, this);
}
private Method indexedReadMethod;
private Method indexedWriteMethod;
private Class<?> indexedPropertyType;
private Class<?> propertyEditorClass;
public SimpleIndexedPropertyDescriptor(IndexedPropertyDescriptor original) throws IntrospectionException {
this(original.getName(), original.getReadMethod(), original.getWriteMethod(),
original.getIndexedReadMethod(), original.getIndexedWriteMethod());
copyNonMethodProperties(original, this);
}
public SimpleIndexedPropertyDescriptor(String propertyName, Method readMethod, Method writeMethod,
public SimpleIndexedPropertyDescriptor(String propertyName, Method readMethod, Method writeMethod,
Method indexedReadMethod, Method indexedWriteMethod) throws IntrospectionException {
super(propertyName, null, null, null, null);
this.readMethod = readMethod;
this.writeMethod = writeMethod;
this.propertyType = findPropertyType(readMethod, writeMethod);
this.indexedReadMethod = indexedReadMethod;
this.indexedWriteMethod = indexedWriteMethod;
this.indexedPropertyType = findIndexedPropertyType(propertyName, this.propertyType, indexedReadMethod, indexedWriteMethod);
}
@Override
public Method getReadMethod() {
return this.readMethod;
}
@Override
public void setReadMethod(Method readMethod) {
this.readMethod = readMethod;
}
@Override
public Method getWriteMethod() {
return this.writeMethod;
}
@Override
public void setWriteMethod(Method writeMethod) {
this.writeMethod = writeMethod;
}
@Override
public Class<?> getPropertyType() {
if (this.propertyType == null) {
try {
this.propertyType = findPropertyType(this.readMethod, this.writeMethod);
}
catch (IntrospectionException ex) {
// Ignore, as does IndexedPropertyDescriptor#getPropertyType
}
}
return this.propertyType;
}
@Override
public Method getIndexedReadMethod() {
return this.indexedReadMethod;
}
@Override
public void setIndexedReadMethod(Method indexedReadMethod) throws IntrospectionException {
this.indexedReadMethod = indexedReadMethod;
}
@Override
public Method getIndexedWriteMethod() {
return this.indexedWriteMethod;
}
@Override
public void setIndexedWriteMethod(Method indexedWriteMethod) throws IntrospectionException {
this.indexedWriteMethod = indexedWriteMethod;
}
@Override
public Class<?> getIndexedPropertyType() {
if (this.indexedPropertyType == null) {
try {
this.indexedPropertyType = findIndexedPropertyType(
getName(), getPropertyType(), this.indexedReadMethod, this.indexedWriteMethod);
}
catch (IntrospectionException ex) {
// Ignore, as does IndexedPropertyDescriptor#getIndexedPropertyType
}
}
return this.indexedPropertyType;
}
@Override
public Class<?> getPropertyEditorClass() {
return this.propertyEditorClass;
}
@Override
public void setPropertyEditorClass(Class<?> propertyEditorClass) {
this.propertyEditorClass = propertyEditorClass;
}
/*
* See java.beans.IndexedPropertyDescriptor#equals(java.lang.Object)
*/
@Override
public boolean equals(Object other) {
if (this == other) {
return true;
}
if (!(other instanceof IndexedPropertyDescriptor)) {
return false;
}
IndexedPropertyDescriptor otherPd = (IndexedPropertyDescriptor) other;
return (ObjectUtils.nullSafeEquals(getIndexedReadMethod(), otherPd.getIndexedReadMethod()) &&
ObjectUtils.nullSafeEquals(getIndexedWriteMethod(), otherPd.getIndexedWriteMethod()) &&
ObjectUtils.nullSafeEquals(getIndexedPropertyType(), otherPd.getIndexedPropertyType()) &&
PropertyDescriptorUtils.equals(this, otherPd));
}
@Override
public int hashCode() {
int hashCode = ObjectUtils.nullSafeHashCode(getReadMethod());
hashCode = 29 * hashCode + ObjectUtils.nullSafeHashCode(getWriteMethod());
hashCode = 29 * hashCode + ObjectUtils.nullSafeHashCode(getIndexedReadMethod());
hashCode = 29 * hashCode + ObjectUtils.nullSafeHashCode(getIndexedWriteMethod());
return hashCode;
}
@Override
public String toString() {
return String.format("%s[name=%s, propertyType=%s, indexedPropertyType=%s, " +
"readMethod=%s, writeMethod=%s, indexedReadMethod=%s, indexedWriteMethod=%s]",
getClass().getSimpleName(), getName(), getPropertyType(), getIndexedPropertyType(),
this.readMethod, this.writeMethod, this.indexedReadMethod, this.indexedWriteMethod);
}
}
class PropertyDescriptorUtils {
/*
* See java.beans.FeatureDescriptor#FeatureDescriptor(FeatureDescriptor)
*/
public static void copyNonMethodProperties(PropertyDescriptor source, PropertyDescriptor target)
throws IntrospectionException {
target.setExpert(source.isExpert());
target.setHidden(source.isHidden());
target.setPreferred(source.isPreferred());
target.setName(source.getName());
target.setShortDescription(source.getShortDescription());
target.setDisplayName(source.getDisplayName());
// Copy all attributes (emulating behavior of private FeatureDescriptor#addTable)
Enumeration<String> keys = source.attributeNames();
while (keys.hasMoreElements()) {
String key = keys.nextElement();
target.setValue(key, source.getValue(key));
super(propertyName, null, null, null, null);
this.readMethod = readMethod;
this.writeMethod = writeMethod;
this.propertyType = PropertyDescriptorUtils.findPropertyType(readMethod, writeMethod);
this.indexedReadMethod = indexedReadMethod;
this.indexedWriteMethod = indexedWriteMethod;
this.indexedPropertyType = PropertyDescriptorUtils.findIndexedPropertyType(
propertyName, this.propertyType, indexedReadMethod, indexedWriteMethod);
}
// See java.beans.PropertyDescriptor#PropertyDescriptor(PropertyDescriptor)
target.setPropertyEditorClass(source.getPropertyEditorClass());
target.setBound(source.isBound());
target.setConstrained(source.isConstrained());
}
/*
* See PropertyDescriptor#findPropertyType
*/
public static Class<?> findPropertyType(Method readMethod, Method writeMethod) throws IntrospectionException {
Class<?> propertyType = null;
if (readMethod != null) {
Class<?>[] params = readMethod.getParameterTypes();
if (params.length != 0) {
throw new IntrospectionException("Bad read method arg count: " + readMethod);
}
propertyType = readMethod.getReturnType();
if (propertyType == Void.TYPE) {
throw new IntrospectionException("Read method returns void: " + readMethod);
}
@Override
public Method getReadMethod() {
return this.readMethod;
}
if (writeMethod != null) {
Class<?> params[] = writeMethod.getParameterTypes();
if (params.length != 1) {
throw new IntrospectionException("Bad write method arg count: " + writeMethod);
}
if (propertyType != null) {
if (propertyType.isAssignableFrom(params[0])) {
// Write method's property type potentially more specific
propertyType = params[0];
@Override
public void setReadMethod(Method readMethod) {
this.readMethod = readMethod;
}
@Override
public Method getWriteMethod() {
return this.writeMethod;
}
@Override
public void setWriteMethod(Method writeMethod) {
this.writeMethod = writeMethod;
}
@Override
public Class<?> getPropertyType() {
if (this.propertyType == null) {
try {
this.propertyType = PropertyDescriptorUtils.findPropertyType(this.readMethod, this.writeMethod);
}
else if (params[0].isAssignableFrom(propertyType)) {
// Proceed with read method's property type
}
else {
throw new IntrospectionException(
"Type mismatch between read and write methods: " + readMethod + " - " + writeMethod);
catch (IntrospectionException ex) {
// Ignore, as does IndexedPropertyDescriptor#getPropertyType
}
}
else {
propertyType = params[0];
}
return this.propertyType;
}
@Override
public Method getIndexedReadMethod() {
return this.indexedReadMethod;
}
@Override
public void setIndexedReadMethod(Method indexedReadMethod) throws IntrospectionException {
this.indexedReadMethod = indexedReadMethod;
}
@Override
public Method getIndexedWriteMethod() {
return this.indexedWriteMethod;
}
@Override
public void setIndexedWriteMethod(Method indexedWriteMethod) throws IntrospectionException {
this.indexedWriteMethod = indexedWriteMethod;
}
@Override
public Class<?> getIndexedPropertyType() {
if (this.indexedPropertyType == null) {
try {
this.indexedPropertyType = PropertyDescriptorUtils.findIndexedPropertyType(
getName(), getPropertyType(), this.indexedReadMethod, this.indexedWriteMethod);
}
catch (IntrospectionException ex) {
// Ignore, as does IndexedPropertyDescriptor#getIndexedPropertyType
}
}
return this.indexedPropertyType;
}
@Override
public Class<?> getPropertyEditorClass() {
return this.propertyEditorClass;
}
@Override
public void setPropertyEditorClass(Class<?> propertyEditorClass) {
this.propertyEditorClass = propertyEditorClass;
}
/*
* See java.beans.IndexedPropertyDescriptor#equals(java.lang.Object)
*/
@Override
public boolean equals(Object other) {
if (this == other) {
return true;
}
if (!(other instanceof IndexedPropertyDescriptor)) {
return false;
}
IndexedPropertyDescriptor otherPd = (IndexedPropertyDescriptor) other;
return (ObjectUtils.nullSafeEquals(getIndexedReadMethod(), otherPd.getIndexedReadMethod()) &&
ObjectUtils.nullSafeEquals(getIndexedWriteMethod(), otherPd.getIndexedWriteMethod()) &&
ObjectUtils.nullSafeEquals(getIndexedPropertyType(), otherPd.getIndexedPropertyType()) &&
PropertyDescriptorUtils.equals(this, otherPd));
}
@Override
public int hashCode() {
int hashCode = ObjectUtils.nullSafeHashCode(getReadMethod());
hashCode = 29 * hashCode + ObjectUtils.nullSafeHashCode(getWriteMethod());
hashCode = 29 * hashCode + ObjectUtils.nullSafeHashCode(getIndexedReadMethod());
hashCode = 29 * hashCode + ObjectUtils.nullSafeHashCode(getIndexedWriteMethod());
return hashCode;
}
@Override
public String toString() {
return String.format("%s[name=%s, propertyType=%s, indexedPropertyType=%s, " +
"readMethod=%s, writeMethod=%s, indexedReadMethod=%s, indexedWriteMethod=%s]",
getClass().getSimpleName(), getName(), getPropertyType(), getIndexedPropertyType(),
this.readMethod, this.writeMethod, this.indexedReadMethod, this.indexedWriteMethod);
}
return propertyType;
}
/*
* See IndexedPropertyDescriptor#findIndexedPropertyType
*/
public static Class<?> findIndexedPropertyType(String name, Class<?> propertyType,
Method indexedReadMethod, Method indexedWriteMethod) throws IntrospectionException {
Class<?> indexedPropertyType = null;
if (indexedReadMethod != null) {
Class<?> params[] = indexedReadMethod.getParameterTypes();
if (params.length != 1) {
throw new IntrospectionException("Bad indexed read method arg count: " + indexedReadMethod);
}
if (params[0] != Integer.TYPE) {
throw new IntrospectionException("Non int index to indexed read method: " + indexedReadMethod);
}
indexedPropertyType = indexedReadMethod.getReturnType();
if (indexedPropertyType == Void.TYPE) {
throw new IntrospectionException("Indexed read method returns void: " + indexedReadMethod);
}
}
if (indexedWriteMethod != null) {
Class<?> params[] = indexedWriteMethod.getParameterTypes();
if (params.length != 2) {
throw new IntrospectionException("Bad indexed write method arg count: " + indexedWriteMethod);
}
if (params[0] != Integer.TYPE) {
throw new IntrospectionException("Non int index to indexed write method: " + indexedWriteMethod);
}
if (indexedPropertyType != null) {
if (indexedPropertyType.isAssignableFrom(params[1])) {
// Write method's property type potentially more specific
indexedPropertyType = params[1];
}
else if (params[1].isAssignableFrom(indexedPropertyType)) {
// Proceed with read method's property type
}
else {
throw new IntrospectionException("Type mismatch between indexed read and write methods: " +
indexedReadMethod + " - " + indexedWriteMethod);
}
}
else {
indexedPropertyType = params[1];
}
}
if (propertyType != null && (!propertyType.isArray() ||
propertyType.getComponentType() != indexedPropertyType)) {
throw new IntrospectionException("Type mismatch between indexed and non-indexed methods: " +
indexedReadMethod + " - " + indexedWriteMethod);
}
return indexedPropertyType;
}
/**
* Compare the given {@link PropertyDescriptor} against the given {@link Object} and
* return {@code true} if they are objects are equivalent, i.e. both are {@code
* PropertyDescriptor}s whose read method, write method, property types, property
* editor and flags are equivalent.
* @see PropertyDescriptor#equals(Object)
* Sorts PropertyDescriptor instances alpha-numerically to emulate the behavior of
* {@link java.beans.BeanInfo#getPropertyDescriptors()}.
* @see ExtendedBeanInfo#propertyDescriptors
*/
public static boolean equals(PropertyDescriptor pd, PropertyDescriptor otherPd) {
return (ObjectUtils.nullSafeEquals(pd.getReadMethod(), otherPd.getReadMethod()) &&
ObjectUtils.nullSafeEquals(pd.getWriteMethod(), otherPd.getWriteMethod()) &&
ObjectUtils.nullSafeEquals(pd.getPropertyType(), otherPd.getPropertyType()) &&
ObjectUtils.nullSafeEquals(pd.getPropertyEditorClass(), otherPd.getPropertyEditorClass()) &&
pd.isBound() == otherPd.isBound() && pd.isConstrained() == otherPd.isConstrained());
}
}
static class PropertyDescriptorComparator implements Comparator<PropertyDescriptor> {
/**
* Sorts PropertyDescriptor instances alpha-numerically to emulate the behavior of
* {@link java.beans.BeanInfo#getPropertyDescriptors()}.
* @see ExtendedBeanInfo#propertyDescriptors
*/
class PropertyDescriptorComparator implements Comparator<PropertyDescriptor> {
@Override
public int compare(PropertyDescriptor desc1, PropertyDescriptor desc2) {
String left = desc1.getName();
String right = desc2.getName();
for (int i = 0; i < left.length(); i++) {
if (right.length() == i) {
return 1;
}
int result = left.getBytes()[i] - right.getBytes()[i];
if (result != 0) {
return result;
@Override
public int compare(PropertyDescriptor desc1, PropertyDescriptor desc2) {
String left = desc1.getName();
String right = desc2.getName();
for (int i = 0; i < left.length(); i++) {
if (right.length() == i) {
return 1;
}
int result = left.getBytes()[i] - right.getBytes()[i];
if (result != 0) {
return result;
}
}
return left.length() - right.length();
}
return left.length() - right.length();
}
}

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@ -28,6 +28,7 @@ import org.springframework.core.BridgeMethodResolver;
import org.springframework.core.GenericTypeResolver;
import org.springframework.core.MethodParameter;
import org.springframework.util.ClassUtils;
import org.springframework.util.ObjectUtils;
import org.springframework.util.StringUtils;
/**
@ -38,12 +39,10 @@ import org.springframework.util.StringUtils;
* @author Juergen Hoeller
* @since 2.5.2
*/
class GenericTypeAwarePropertyDescriptor extends PropertyDescriptor {
final class GenericTypeAwarePropertyDescriptor extends PropertyDescriptor {
private final Class<?> beanClass;
private final Class<?> propertyEditorClass;
private final Method readMethod;
private final Method writeMethod;
@ -54,14 +53,19 @@ class GenericTypeAwarePropertyDescriptor extends PropertyDescriptor {
private Class<?> propertyType;
private final Class<?> propertyEditorClass;
public GenericTypeAwarePropertyDescriptor(Class<?> beanClass, String propertyName,
Method readMethod, Method writeMethod, Class<?> propertyEditorClass)
throws IntrospectionException {
super(propertyName, null, null);
if (beanClass == null) {
throw new IntrospectionException("Bean class must not be null");
}
this.beanClass = beanClass;
this.propertyEditorClass = propertyEditorClass;
Method readMethodToUse = BridgeMethodResolver.findBridgedMethod(readMethod);
Method writeMethodToUse = BridgeMethodResolver.findBridgedMethod(writeMethod);
@ -104,6 +108,8 @@ class GenericTypeAwarePropertyDescriptor extends PropertyDescriptor {
else if (this.writeMethodParameter != null) {
this.propertyType = this.writeMethodParameter.getParameterType();
}
this.propertyEditorClass = propertyEditorClass;
}
@ -111,11 +117,6 @@ class GenericTypeAwarePropertyDescriptor extends PropertyDescriptor {
return this.beanClass;
}
@Override
public Class<?> getPropertyEditorClass() {
return this.propertyEditorClass;
}
@Override
public Method getReadMethod() {
return this.readMethod;
@ -146,4 +147,30 @@ class GenericTypeAwarePropertyDescriptor extends PropertyDescriptor {
return this.propertyType;
}
@Override
public Class<?> getPropertyEditorClass() {
return this.propertyEditorClass;
}
@Override
public boolean equals(Object other) {
if (this == other) {
return true;
}
if (!(other instanceof GenericTypeAwarePropertyDescriptor)) {
return false;
}
GenericTypeAwarePropertyDescriptor otherPd = (GenericTypeAwarePropertyDescriptor) other;
return (getBeanClass().equals(otherPd.getBeanClass()) && PropertyDescriptorUtils.equals(this, otherPd));
}
@Override
public int hashCode() {
int hashCode = getBeanClass().hashCode();
hashCode = 29 * hashCode + ObjectUtils.nullSafeHashCode(getReadMethod());
hashCode = 29 * hashCode + ObjectUtils.nullSafeHashCode(getWriteMethod());
return hashCode;
}
}

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@ -1,5 +1,5 @@
/*
* Copyright 2002-2013 the original author or authors.
* Copyright 2002-2014 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -776,7 +776,7 @@ public class ExtendedBeanInfoTests {
@Test
public void propertyDescriptorComparator() throws IntrospectionException {
PropertyDescriptorComparator c = new PropertyDescriptorComparator();
ExtendedBeanInfo.PropertyDescriptorComparator c = new ExtendedBeanInfo.PropertyDescriptorComparator();
assertThat(c.compare(new PropertyDescriptor("a", null, null), new PropertyDescriptor("a", null, null)), equalTo(0));
assertThat(c.compare(new PropertyDescriptor("abc", null, null), new PropertyDescriptor("abc", null, null)), equalTo(0));
@ -793,53 +793,6 @@ public class ExtendedBeanInfoTests {
assertThat(c.compare(new PropertyDescriptor("a", null, null), new PropertyDescriptor("A", null, null)), greaterThan(0));
}
private boolean hasWriteMethodForProperty(BeanInfo beanInfo, String propertyName) {
for (PropertyDescriptor pd : beanInfo.getPropertyDescriptors()) {
if (pd.getName().equals(propertyName)) {
return pd.getWriteMethod() != null;
}
}
return false;
}
private boolean hasReadMethodForProperty(BeanInfo beanInfo, String propertyName) {
for (PropertyDescriptor pd : beanInfo.getPropertyDescriptors()) {
if (pd.getName().equals(propertyName)) {
return pd.getReadMethod() != null;
}
}
return false;
}
private boolean hasIndexedWriteMethodForProperty(BeanInfo beanInfo, String propertyName) {
for (PropertyDescriptor pd : beanInfo.getPropertyDescriptors()) {
if (pd.getName().equals(propertyName)) {
if (!(pd instanceof IndexedPropertyDescriptor)) {
return false;
}
return ((IndexedPropertyDescriptor)pd).getIndexedWriteMethod() != null;
}
}
return false;
}
private boolean hasIndexedReadMethodForProperty(BeanInfo beanInfo, String propertyName) {
for (PropertyDescriptor pd : beanInfo.getPropertyDescriptors()) {
if (pd.getName().equals(propertyName)) {
if (!(pd instanceof IndexedPropertyDescriptor)) {
return false;
}
return ((IndexedPropertyDescriptor)pd).getIndexedReadMethod() != null;
}
}
return false;
}
private boolean trueUntilJdk17() {
return JdkVersion.getMajorJavaVersion() < JdkVersion.JAVA_17;
}
@Test
public void reproSpr8806() throws IntrospectionException {
// does not throw
@ -923,20 +876,71 @@ public class ExtendedBeanInfoTests {
}
private boolean hasWriteMethodForProperty(BeanInfo beanInfo, String propertyName) {
for (PropertyDescriptor pd : beanInfo.getPropertyDescriptors()) {
if (pd.getName().equals(propertyName)) {
return pd.getWriteMethod() != null;
}
}
return false;
}
private boolean hasReadMethodForProperty(BeanInfo beanInfo, String propertyName) {
for (PropertyDescriptor pd : beanInfo.getPropertyDescriptors()) {
if (pd.getName().equals(propertyName)) {
return pd.getReadMethod() != null;
}
}
return false;
}
private boolean hasIndexedWriteMethodForProperty(BeanInfo beanInfo, String propertyName) {
for (PropertyDescriptor pd : beanInfo.getPropertyDescriptors()) {
if (pd.getName().equals(propertyName)) {
if (!(pd instanceof IndexedPropertyDescriptor)) {
return false;
}
return ((IndexedPropertyDescriptor)pd).getIndexedWriteMethod() != null;
}
}
return false;
}
private boolean hasIndexedReadMethodForProperty(BeanInfo beanInfo, String propertyName) {
for (PropertyDescriptor pd : beanInfo.getPropertyDescriptors()) {
if (pd.getName().equals(propertyName)) {
if (!(pd instanceof IndexedPropertyDescriptor)) {
return false;
}
return ((IndexedPropertyDescriptor)pd).getIndexedReadMethod() != null;
}
}
return false;
}
private boolean trueUntilJdk17() {
return JdkVersion.getMajorJavaVersion() < JdkVersion.JAVA_17;
}
interface Spr9453<T> {
T getProp();
}
interface Book {
}
interface TextBook extends Book {
}
interface LawBook extends TextBook {
}
interface BookOperations {
Book getBook();
@ -944,12 +948,14 @@ public class ExtendedBeanInfoTests {
void setBook(Book book);
}
interface TextBookOperations extends BookOperations {
@Override
TextBook getBook();
}
abstract class Library {
public Book getBook() {
@ -960,6 +966,7 @@ public class ExtendedBeanInfoTests {
}
}
class LawLibrary extends Library implements TextBookOperations {
@Override
@ -968,6 +975,7 @@ public class ExtendedBeanInfoTests {
}
}
static class WithStaticWriteMethod {
public static void setProp1(String prop1) {

View File

@ -1,5 +1,5 @@
/*
* Copyright 2002-2013 the original author or authors.
* Copyright 2002-2014 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -19,7 +19,6 @@ package org.springframework.beans;
import java.beans.IndexedPropertyDescriptor;
import java.beans.IntrospectionException;
import java.beans.PropertyDescriptor;
import java.lang.reflect.Method;
import org.junit.Test;
@ -28,9 +27,6 @@ import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;
/**
* Unit tests for {@link SimplePropertyDescriptor} and
* {@link SimpleIndexedPropertyDescriptor}.
*
* @author Chris Beams
* @see ExtendedBeanInfoTests
*/
@ -39,7 +35,7 @@ public class SimplePropertyDescriptorTests {
@Test
public void toStringOutput() throws IntrospectionException, SecurityException, NoSuchMethodException {
{
Object pd = new SimplePropertyDescriptor("foo", null, null);
Object pd = new ExtendedBeanInfo.SimplePropertyDescriptor("foo", null, null);
assertThat(pd.toString(), containsString(
"PropertyDescriptor[name=foo, propertyType=null, readMethod=null"));
}
@ -49,14 +45,14 @@ public class SimplePropertyDescriptorTests {
public Object setFoo(String foo) { return null; }
}
Method m = C.class.getMethod("setFoo", String.class);
Object pd = new SimplePropertyDescriptor("foo", null, m);
Object pd = new ExtendedBeanInfo.SimplePropertyDescriptor("foo", null, m);
assertThat(pd.toString(), allOf(
containsString("PropertyDescriptor[name=foo"),
containsString("propertyType=class java.lang.String"),
containsString("readMethod=null, writeMethod=public java.lang.Object")));
}
{
Object pd = new SimpleIndexedPropertyDescriptor("foo", null, null, null, null);
Object pd = new ExtendedBeanInfo.SimpleIndexedPropertyDescriptor("foo", null, null, null, null);
assertThat(pd.toString(), containsString(
"PropertyDescriptor[name=foo, propertyType=null, indexedPropertyType=null"));
}
@ -66,7 +62,7 @@ public class SimplePropertyDescriptorTests {
public Object setFoo(int i, String foo) { return null; }
}
Method m = C.class.getMethod("setFoo", int.class, String.class);
Object pd = new SimpleIndexedPropertyDescriptor("foo", null, null, null, m);
Object pd = new ExtendedBeanInfo.SimpleIndexedPropertyDescriptor("foo", null, null, null, m);
assertThat(pd.toString(), allOf(
containsString("PropertyDescriptor[name=foo, propertyType=null"),
containsString("indexedPropertyType=class java.lang.String"),
@ -76,10 +72,10 @@ public class SimplePropertyDescriptorTests {
@Test
public void nonIndexedEquality() throws IntrospectionException, SecurityException, NoSuchMethodException {
Object pd1 = new SimplePropertyDescriptor("foo", null, null);
Object pd1 = new ExtendedBeanInfo.SimplePropertyDescriptor("foo", null, null);
assertThat(pd1, equalTo(pd1));
Object pd2 = new SimplePropertyDescriptor("foo", null, null);
Object pd2 = new ExtendedBeanInfo.SimplePropertyDescriptor("foo", null, null);
assertThat(pd1, equalTo(pd2));
assertThat(pd2, equalTo(pd1));
@ -89,12 +85,12 @@ public class SimplePropertyDescriptorTests {
public String getFoo() { return null; }
}
Method wm1 = C.class.getMethod("setFoo", String.class);
Object pd3 = new SimplePropertyDescriptor("foo", null, wm1);
Object pd3 = new ExtendedBeanInfo.SimplePropertyDescriptor("foo", null, wm1);
assertThat(pd1, not(equalTo(pd3)));
assertThat(pd3, not(equalTo(pd1)));
Method rm1 = C.class.getMethod("getFoo");
Object pd4 = new SimplePropertyDescriptor("foo", rm1, null);
Object pd4 = new ExtendedBeanInfo.SimplePropertyDescriptor("foo", rm1, null);
assertThat(pd1, not(equalTo(pd4)));
assertThat(pd4, not(equalTo(pd1)));
@ -113,10 +109,10 @@ public class SimplePropertyDescriptorTests {
@Test
public void indexedEquality() throws IntrospectionException, SecurityException, NoSuchMethodException {
Object pd1 = new SimpleIndexedPropertyDescriptor("foo", null, null, null, null);
Object pd1 = new ExtendedBeanInfo.SimpleIndexedPropertyDescriptor("foo", null, null, null, null);
assertThat(pd1, equalTo(pd1));
Object pd2 = new SimpleIndexedPropertyDescriptor("foo", null, null, null, null);
Object pd2 = new ExtendedBeanInfo.SimpleIndexedPropertyDescriptor("foo", null, null, null, null);
assertThat(pd1, equalTo(pd2));
assertThat(pd2, equalTo(pd1));
@ -126,12 +122,12 @@ public class SimplePropertyDescriptorTests {
public String getFoo(int i) { return null; }
}
Method wm1 = C.class.getMethod("setFoo", int.class, String.class);
Object pd3 = new SimpleIndexedPropertyDescriptor("foo", null, null, null, wm1);
Object pd3 = new ExtendedBeanInfo.SimpleIndexedPropertyDescriptor("foo", null, null, null, wm1);
assertThat(pd1, not(equalTo(pd3)));
assertThat(pd3, not(equalTo(pd1)));
Method rm1 = C.class.getMethod("getFoo", int.class);
Object pd4 = new SimpleIndexedPropertyDescriptor("foo", null, null, rm1, null);
Object pd4 = new ExtendedBeanInfo.SimpleIndexedPropertyDescriptor("foo", null, null, rm1, null);
assertThat(pd1, not(equalTo(pd4)));
assertThat(pd4, not(equalTo(pd1)));