undefect. CWE-407 — 63 sites patched across 27 ecosystems

Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.

test/jdk/java/beans/Introspector/BeanUtils.java

@@ -0,0 +1,203 @@
+/*
+ * Copyright (c) 2003, 2008, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+import java.beans.BeanDescriptor;
+import java.beans.EventSetDescriptor;
+import java.beans.IndexedPropertyDescriptor;
+import java.beans.IntrospectionException;
+import java.beans.Introspector;
+import java.beans.MethodDescriptor;
+import java.beans.PropertyDescriptor;
+
+/**
+ * This class contains utilities useful for JavaBeans regression testing.
+ */
+public final class BeanUtils {
+    /**
+     * Disables instantiation.
+     */
+    private BeanUtils() {
+    }
+
+    /**
+     * Returns a bean descriptor for specified class.
+     *
+     * @param type  the class to introspect
+     * @return a bean descriptor
+     */
+    public static BeanDescriptor getBeanDescriptor(Class type) {
+        try {
+            return Introspector.getBeanInfo(type).getBeanDescriptor();
+        } catch (IntrospectionException exception) {
+            throw new Error("unexpected exception", exception);
+        }
+    }
+
+    /**
+     * Returns an array of property descriptors for specified class.
+     *
+     * @param type  the class to introspect
+     * @return an array of property descriptors
+     */
+    public static PropertyDescriptor[] getPropertyDescriptors(Class type) {
+        try {
+            return Introspector.getBeanInfo(type).getPropertyDescriptors();
+        } catch (IntrospectionException exception) {
+            throw new Error("unexpected exception", exception);
+        }
+    }
+
+    /**
+     * Returns an array of event set descriptors for specified class.
+     *
+     * @param type  the class to introspect
+     * @return an array of event set descriptors
+     */
+    public static EventSetDescriptor[] getEventSetDescriptors(Class type) {
+        try {
+            return Introspector.getBeanInfo(type).getEventSetDescriptors();
+        } catch (IntrospectionException exception) {
+            throw new Error("unexpected exception", exception);
+        }
+    }
+
+    /**
+     * Finds an event set descriptor for the class
+     * that matches the event set name.
+     *
+     * @param type  the class to introspect
+     * @param name  the name of the event set to search
+     * @return the {@code EventSetDescriptor} or {@code null}
+     */
+    public static EventSetDescriptor findEventSetDescriptor(Class type, String name) {
+        EventSetDescriptor[] esds = getEventSetDescriptors(type);
+        for (EventSetDescriptor esd : esds) {
+            if (esd.getName().equals(name)) {
+                return esd;
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Finds a property descriptor for the class
+     * that matches the property name.
+     *
+     * @param type the class to introspect
+     * @param name the name of the property to search
+     * @return the {@code PropertyDescriptor}, {@code IndexedPropertyDescriptor} or {@code null}
+     */
+    public static PropertyDescriptor findPropertyDescriptor(Class type, String name) {
+        PropertyDescriptor[] pds = getPropertyDescriptors(type);
+        for (PropertyDescriptor pd : pds) {
+            if (pd.getName().equals(name)) {
+                return pd;
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Returns a event set descriptor for the class
+     * that matches the property name.
+     *
+     * @param type the class to introspect
+     * @param name the name of the event set to search
+     * @return the {@code EventSetDescriptor}
+     */
+    public static EventSetDescriptor getEventSetDescriptor(Class type, String name) {
+        EventSetDescriptor esd = findEventSetDescriptor(type, name);
+        if (esd != null) {
+            return esd;
+        }
+        throw new Error("could not find event set '" + name + "' in " + type);
+    }
+
+    /**
+     * Returns a property descriptor for the class
+     * that matches the property name.
+     *
+     * @param type the class to introspect
+     * @param name the name of the property to search
+     * @return the {@code PropertyDescriptor}
+     */
+    public static PropertyDescriptor getPropertyDescriptor(Class type, String name) {
+        PropertyDescriptor pd = findPropertyDescriptor(type, name);
+        if (pd != null) {
+            return pd;
+        }
+        throw new Error("could not find property '" + name + "' in " + type);
+    }
+
+    /**
+     * Returns an indexed property descriptor for the class
+     * that matches the property name.
+     *
+     * @param type  the class to introspect
+     * @param name  the name of the property to search
+     * @return the {@code IndexedPropertyDescriptor}
+     */
+    public static IndexedPropertyDescriptor getIndexedPropertyDescriptor(Class type, String name) {
+        PropertyDescriptor pd = findPropertyDescriptor(type, name);
+        if (pd instanceof IndexedPropertyDescriptor) {
+            return (IndexedPropertyDescriptor) pd;
+        }
+        reportPropertyDescriptor(pd);
+        throw new Error("could not find indexed property '" + name + "' in " + type);
+    }
+
+    /**
+     * Reports all the interesting information in an Indexed/PropertyDescrptor.
+     */
+    public static void reportPropertyDescriptor(PropertyDescriptor pd) {
+        System.out.println("property name:  " + pd.getName());
+        System.out.println("         type:  " + pd.getPropertyType());
+        System.out.println("         read:  " + pd.getReadMethod());
+        System.out.println("         write: " + pd.getWriteMethod());
+        if (pd instanceof IndexedPropertyDescriptor) {
+            IndexedPropertyDescriptor ipd = (IndexedPropertyDescriptor) pd;
+            System.out.println(" indexed type: " + ipd.getIndexedPropertyType());
+            System.out.println(" indexed read: " + ipd.getIndexedReadMethod());
+            System.out.println(" indexed write: " + ipd.getIndexedWriteMethod());
+        }
+    }
+
+    /**
+     * Reports all the interesting information in an EventSetDescriptor
+     */
+    public static void reportEventSetDescriptor(EventSetDescriptor esd) {
+        System.out.println("event set name:   " + esd.getName());
+        System.out.println(" listener type:   " + esd.getListenerType());
+        System.out.println("   method get:    " + esd.getGetListenerMethod());
+        System.out.println("   method add:    " + esd.getAddListenerMethod());
+        System.out.println("   method remove: " + esd.getRemoveListenerMethod());
+    }
+
+    /**
+     * Reports all the interesting information in a MethodDescriptor
+     */
+    public static void reportMethodDescriptor(MethodDescriptor md) {
+        System.out.println("method name: " + md.getName());
+        System.out.println("     method: " + md.getMethod());
+    }
+}