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Posted to commits@commons.apache.org by si...@apache.org on 2012/06/08 14:48:29 UTC

svn commit: r1348047 - in /commons/sandbox/beanutils2/trunk/src: changes/ main/java/org/apache/commons/beanutils2/ test/java/org/apache/commons/beanutils2/

Author: simonetripodi
Date: Fri Jun  8 12:48:29 2012
New Revision: 1348047

URL: http://svn.apache.org/viewvc?rev=1348047&view=rev
Log:
[SANDBOX-399] Handle methods that return void separately - patch provided by Benedikt Ritter

Added:
    commons/sandbox/beanutils2/trunk/src/main/java/org/apache/commons/beanutils2/NullBeanAccessor.java   (with props)
    commons/sandbox/beanutils2/trunk/src/test/java/org/apache/commons/beanutils2/VoidMethodsTestCase.java   (with props)
Modified:
    commons/sandbox/beanutils2/trunk/src/changes/changes.xml
    commons/sandbox/beanutils2/trunk/src/main/java/org/apache/commons/beanutils2/DefaultArgumentsAccessor.java

Modified: commons/sandbox/beanutils2/trunk/src/changes/changes.xml
URL: http://svn.apache.org/viewvc/commons/sandbox/beanutils2/trunk/src/changes/changes.xml?rev=1348047&r1=1348046&r2=1348047&view=diff
==============================================================================
--- commons/sandbox/beanutils2/trunk/src/changes/changes.xml (original)
+++ commons/sandbox/beanutils2/trunk/src/changes/changes.xml Fri Jun  8 12:48:29 2012
@@ -32,6 +32,9 @@
     <action dev="simonetripodi" type="add" issue="SANDBOX-401" due-to="Benedikt Ritter">
       Performance improvement: store hash code of AccessibleObjectDescriptor as member variable
     </action>
+    <action dev="simonetripodi" type="add" issue="SANDBOX-399" due-to="Benedikt Ritter">
+      Handle methods that return void separately
+    </action>
     <action dev="simonetripodi" type="add" issue="SANDBOX-398" due-to="Benedikt Ritter">
       Implement unit tests for BeanUtils.onClassName()
     </action>

Modified: commons/sandbox/beanutils2/trunk/src/main/java/org/apache/commons/beanutils2/DefaultArgumentsAccessor.java
URL: http://svn.apache.org/viewvc/commons/sandbox/beanutils2/trunk/src/main/java/org/apache/commons/beanutils2/DefaultArgumentsAccessor.java?rev=1348047&r1=1348046&r2=1348047&view=diff
==============================================================================
--- commons/sandbox/beanutils2/trunk/src/main/java/org/apache/commons/beanutils2/DefaultArgumentsAccessor.java (original)
+++ commons/sandbox/beanutils2/trunk/src/main/java/org/apache/commons/beanutils2/DefaultArgumentsAccessor.java Fri Jun  8 12:48:29 2012
@@ -69,6 +69,10 @@ final class DefaultArgumentsAccessor
         }
 
         Object result = method.invoke( bean, getParameters( arguments ) );
+        if ( method.getReturnType() == void.class || result == null)
+        {
+            return new NullBeanAccessor<Object>(beanType.getName(), methodName);
+        }
         return new DefaultBeanAccessor<Object>( result );
     }
 

Added: commons/sandbox/beanutils2/trunk/src/main/java/org/apache/commons/beanutils2/NullBeanAccessor.java
URL: http://svn.apache.org/viewvc/commons/sandbox/beanutils2/trunk/src/main/java/org/apache/commons/beanutils2/NullBeanAccessor.java?rev=1348047&view=auto
==============================================================================
--- commons/sandbox/beanutils2/trunk/src/main/java/org/apache/commons/beanutils2/NullBeanAccessor.java (added)
+++ commons/sandbox/beanutils2/trunk/src/main/java/org/apache/commons/beanutils2/NullBeanAccessor.java Fri Jun  8 12:48:29 2012
@@ -0,0 +1,181 @@
+package org.apache.commons.beanutils2;
+
+/*
+ * 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.
+ */
+
+import static java.lang.String.format;
+
+import java.beans.IntrospectionException;
+import java.lang.reflect.InvocationTargetException;
+import java.util.Map;
+
+final class NullBeanAccessor<B>
+    implements BeanAccessor<B>
+{
+
+    private final String errorMessage;
+
+    public NullBeanAccessor( String beanTypeName, String methodName )
+    {
+        errorMessage = format( "%s.%s returned null!", beanTypeName, methodName );
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public BeanAccessor<?> get( String propertyName )
+        throws IllegalAccessException, IntrospectionException, InvocationTargetException, NoSuchMethodException
+    {
+        throw new NullPointerException( errorMessage );
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public IndexedPropertyGetterAccessor getIndexed( String propertyName )
+        throws IntrospectionException, NoSuchMethodException
+    {
+        throw new NullPointerException( errorMessage );
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public MappedPropertyGetterAccessor getMapped( String propertyName )
+        throws InvocationTargetException, NoSuchMethodException
+    {
+        throw new NullPointerException( errorMessage );
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public B get()
+    {
+        return null;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public <V> V cast()
+    {
+        return null;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public BeanPropertySetter<B> set( String propertyName )
+        throws IllegalAccessException, IntrospectionException, InvocationTargetException, NoSuchMethodException
+    {
+        throw new NullPointerException( errorMessage );
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public IndexedPropertySetterAccessor<B> setIndexed( String propertyName )
+        throws IllegalAccessException, IntrospectionException, InvocationTargetException, NoSuchMethodException
+    {
+        throw new NullPointerException( errorMessage );
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public IndexedPropertySetterAccessor<B> setMapped( String propertyName )
+        throws IllegalAccessException, IntrospectionException, InvocationTargetException, NoSuchMethodException
+    {
+        throw new NullPointerException( errorMessage );
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public boolean isReadable( String propertyName )
+        throws IntrospectionException
+    {
+        throw new NullPointerException( errorMessage );
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public boolean isWritable( String propertyName )
+        throws IntrospectionException
+    {
+        throw new NullPointerException( errorMessage );
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public B cloneBean()
+        throws IllegalAccessException, InstantiationException, IntrospectionException, InvocationTargetException,
+        NoSuchMethodException
+    {
+        return null;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public <T extends B> void copyPropertiesTo( T target )
+        throws IllegalAccessException, InvocationTargetException, NoSuchMethodException
+    {
+        throw new NullPointerException( errorMessage );
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public Map<String, Object> describe()
+        throws IllegalAccessException, InvocationTargetException, NoSuchMethodException, IntrospectionException
+    {
+        throw new NullPointerException( errorMessage );
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public void populate( Map<String, Object> properties )
+        throws IllegalAccessException, IllegalArgumentException, IntrospectionException, InvocationTargetException,
+        NoSuchMethodException
+    {
+        throw new NullPointerException( errorMessage );
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public ArgumentsAccessor invoke( String methodName )
+        throws NoSuchMethodException, IllegalAccessException, InvocationTargetException
+    {
+        throw new NullPointerException( errorMessage );
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public ArgumentsAccessor invokeExact( String methodName )
+        throws NoSuchMethodException, IllegalAccessException, InvocationTargetException
+    {
+        throw new NullPointerException( errorMessage );
+    }
+
+}

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Added: commons/sandbox/beanutils2/trunk/src/test/java/org/apache/commons/beanutils2/VoidMethodsTestCase.java
URL: http://svn.apache.org/viewvc/commons/sandbox/beanutils2/trunk/src/test/java/org/apache/commons/beanutils2/VoidMethodsTestCase.java?rev=1348047&view=auto
==============================================================================
--- commons/sandbox/beanutils2/trunk/src/test/java/org/apache/commons/beanutils2/VoidMethodsTestCase.java (added)
+++ commons/sandbox/beanutils2/trunk/src/test/java/org/apache/commons/beanutils2/VoidMethodsTestCase.java Fri Jun  8 12:48:29 2012
@@ -0,0 +1,162 @@
+package org.apache.commons.beanutils2;
+
+/*
+ * 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.
+ */
+
+import static org.apache.commons.beanutils2.BeanUtils.on;
+import static org.junit.Assert.assertNull;
+
+import java.util.HashMap;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * Test case to make sure, that methods with void signature are handled correctly.
+ */
+public class VoidMethodsTestCase
+{
+
+    private BeanAccessor<?> voidAccessor = null;
+
+    @Before
+    public void setUp()
+        throws Exception
+    {
+        voidAccessor = on( TestBean.class ).invokeStatic( "incrementCounter" ).withArguments();
+    }
+
+    @After
+    public void tearDown()
+    {
+        voidAccessor = null;
+    }
+
+    @Test
+    public void get()
+        throws Exception
+    {
+        assertNull( voidAccessor.get() );
+    }
+
+    @Test( expected = NullPointerException.class )
+    public void getProperty()
+        throws Exception
+    {
+        voidAccessor.get( "propertyName" );
+    }
+
+    @Test( expected = NullPointerException.class )
+    public void getIndexed()
+        throws Exception
+    {
+        voidAccessor.getIndexed( "propertyName" );
+    }
+
+    @Test( expected = NullPointerException.class )
+    public void getMapped()
+        throws Exception
+    {
+        voidAccessor.getMapped( "propertyName" );
+    }
+
+    @Test( expected = NullPointerException.class )
+    public void setProperty()
+        throws Exception
+    {
+        voidAccessor.set( "propertyName" );
+    }
+
+    @Test( expected = NullPointerException.class )
+    public void setIndexed()
+        throws Exception
+    {
+        voidAccessor.setIndexed( "propertyName" );
+    }
+
+    @Test( expected = NullPointerException.class )
+    public void setMapped()
+        throws Exception
+    {
+        voidAccessor.setMapped( "propertyName" );
+    }
+
+    @Test( expected = NullPointerException.class )
+    public void isReadable()
+        throws Exception
+    {
+        voidAccessor.isReadable( "propertyName" );
+    }
+
+    @Test( expected = NullPointerException.class )
+    public void isWritable()
+        throws Exception
+    {
+        voidAccessor.isWritable( "propertyName" );
+    }
+
+    @Test
+    public void cast()
+    {
+        assertNull( voidAccessor.cast() );
+    }
+
+    @Test
+    public void cloneBean()
+        throws Exception
+    {
+        assertNull( voidAccessor.cloneBean() );
+    }
+
+    @Test( expected = NullPointerException.class )
+    public void describe()
+        throws Exception
+    {
+        voidAccessor.describe();
+    }
+
+    @Test( expected = NullPointerException.class )
+    public void populate()
+        throws Exception
+    {
+        voidAccessor.populate( new HashMap<String, Object>( 0 ) );
+    }
+
+    @Test
+    public void copyPropertiesTo()
+        throws Exception
+    {
+        // no idea how to invoke this
+        // voidAccessor.copyPropertiesTo( target );
+    }
+
+    @Test( expected = NullPointerException.class )
+    public void invoke()
+        throws Exception
+    {
+        voidAccessor.invoke( "methodName" );
+    }
+
+    @Test( expected = NullPointerException.class )
+    public void invokeExact()
+        throws Exception
+    {
+        voidAccessor.invokeExact( "methodName" );
+    }
+
+}

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