BEANUTILS-541 - FluentPropertyBeanIntrospector caches corrupted writeMethod (#68)
diff --git a/pom.xml b/pom.xml
index 012e3f4..90484c5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -539,5 +539,9 @@
<name>Raviteja Lokineni</name>
<email />
</contributor>
+ <contributor>
+ <name>Sergey Chernov</name>
+ <email></email>
+ </contributor>
</contributors>
</project>
diff --git a/src/main/java/org/apache/commons/beanutils2/FluentPropertyBeanIntrospector.java b/src/main/java/org/apache/commons/beanutils2/FluentPropertyBeanIntrospector.java
index 93c15ae..21eb417 100644
--- a/src/main/java/org/apache/commons/beanutils2/FluentPropertyBeanIntrospector.java
+++ b/src/main/java/org/apache/commons/beanutils2/FluentPropertyBeanIntrospector.java
@@ -154,6 +154,10 @@
icontext.addPropertyDescriptor(createFluentPropertyDescritor(
m, propertyName));
} else if (pd.getWriteMethod() == null) {
+ // We change statically cached PropertyDescriptor, it may affect
+ // other subclasses of targetClass supertype.
+ // See BEANUTILS-541 for more details.
+ clearDescriptorsCacheHierarchy(icontext.getTargetClass().getSuperclass());
pd.setWriteMethod(m);
}
} catch (final IntrospectionException e) {
@@ -166,6 +170,13 @@
}
}
+ private static void clearDescriptorsCacheHierarchy(Class<?> cls) {
+ if (cls != null && cls != Object.class) {
+ Introspector.flushFromCaches(cls);
+ clearDescriptorsCacheHierarchy(cls.getSuperclass());
+ }
+ }
+
/**
* Derives the name of a property from the given set method.
*
diff --git a/src/test/java/org/apache/commons/beanutils2/bugs/Jira541TestCase.java b/src/test/java/org/apache/commons/beanutils2/bugs/Jira541TestCase.java
new file mode 100644
index 0000000..a8fac5d
--- /dev/null
+++ b/src/test/java/org/apache/commons/beanutils2/bugs/Jira541TestCase.java
@@ -0,0 +1,78 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.commons.beanutils2.bugs;
+
+import static org.junit.Assert.assertEquals;
+
+import org.apache.commons.beanutils2.FluentPropertyBeanIntrospector;
+import org.apache.commons.beanutils2.PropertyUtilsBean;
+import org.junit.jupiter.api.Test;
+
+/**
+ * Fix BEANUTILS-541
+ *
+ * @see <a href="https://issues.apache.org/jira/browse/BEANUTILS-541">https://issues.apache.org/jira/browse/BEANUTILS-541</a>
+ */
+public class Jira541TestCase {
+
+ private static final String FIELD_NAME = "field";
+ private static final String FIELD_VALUE = "name";
+
+ @Test
+ public void testFluentBeanIntrospectorOnOverriddenSetter() throws Exception {
+ PropertyUtilsBean propertyUtilsBean = new PropertyUtilsBean();
+ propertyUtilsBean.addBeanIntrospector(new FluentPropertyBeanIntrospector());
+
+ // note: we should setProperty first on SubTypeA (with overridden setter), then on subTypeB
+ // but not vice versa
+ SubTypeA subTypeA = new SubTypeA();
+ propertyUtilsBean.setProperty(subTypeA, FIELD_NAME, FIELD_VALUE);
+
+ SubTypeB subTypeB = new SubTypeB();
+ propertyUtilsBean.setProperty(subTypeB, FIELD_NAME, FIELD_VALUE);
+
+ assertEquals(FIELD_VALUE, subTypeA.getField());
+ assertEquals(FIELD_VALUE, subTypeB.getField());
+ }
+
+ public static class BaseType {
+
+ private String field;
+
+ public BaseType setField(String objectName) {
+ this.field = objectName;
+ return this;
+ }
+
+ public String getField() {
+ return field;
+ }
+ }
+
+ public static class SubTypeA extends BaseType {
+
+ @Override
+ public SubTypeA setField(String field) {
+ super.setField(field);
+ return this;
+ }
+ }
+
+ public static class SubTypeB extends BaseType {
+
+ }
+}
