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Commons Attributes example source code file (InheritableTestCase.java)

This example Commons Attributes source code file (InheritableTestCase.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Commons Attributes tags/keywords

class, exception, inheritableattribute, inheritableattribute, integer, io, joinedinterface, method, net, network, noninheritableattribute, noninheritableattribute, object, object, reflection, string, string, superclass, util

The Commons Attributes InheritableTestCase.java source code

/*
 * Copyright 2003-2004 The Apache Software Foundation
 * 
 * Licensed 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.attributes.test;

import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.lang.reflect.Constructor;
import java.io.File;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.Collection;
import java.util.Iterator;
import org.apache.commons.attributes.Attributes;
import org.apache.commons.attributes.AttributeIndex;
import junit.framework.TestCase;

public class InheritableTestCase extends TestCase {
    
    public static interface SampleService {}
    
    /**
     * @@InheritableTestCase.InheritableAttribute ("super-sample")
     */
    public static class SuperClass {
        
        /**
         * @@InheritableTestCase.NonInheritableAttribute ()
         * @@InheritableTestCase.InheritableAttribute ( "super-field" )
         */
        public Object field;
        
        /**
         * @@InheritableTestCase.InheritableAttribute ( "super-noattrs" )
         */
        public Object noAttributesInSubClass;
        
        /**
         * @@InheritableTestCase.InheritableAttribute ( "sample-ctor1" )
         */
        public SuperClass () {
            
        }
        
        /**
         * @@InheritableTestCase.InheritableAttribute( "sample-ctor2" )
         * @@.array InheritableTestCase.NonInheritableAttribute()
         */
        public SuperClass (String input, String[][] array) {
            
        }
        
        /**
         * @@InheritableTestCase.InheritableAttribute( "super-some-method-sample" )
         * @@InheritableTestCase.NonInheritableAttribute()
         */
        public void someMethod (int parameter) {
            
        }
        
        /**
         * @@InheritableTestCase.InheritableAttribute( "super-privateMethod" )
         */
        private void privateMethod () {
            
        }
        
    }
    
    public static interface JoinedInterface extends InterfaceOne, InterfaceTwo {
    }
    
    /**
     * @@InheritableTestCase.InheritableAttribute( "sample-if-2-c" )
     */
    public static interface InterfaceTwo {
        
        /**
         * @@InheritableTestCase.InheritableAttribute( "sample-if-2" )
         * @@InheritableTestCase.NonInheritableAttribute()
         */
        public void someMethod (int parameter);
    }
    
    /**
     * @@InheritableTestCase.InheritableAttribute( "sample-if-1-c" )
     */
    public static interface InterfaceOne {
        
        /**
         * @@InheritableTestCase.InheritableAttribute( "sample-if-1" )
         * @@InheritableTestCase.NonInheritableAttribute()
         */
        public void someMethod (int parameter);
        
        /**
         * @@.return InheritableTestCase.InheritableAttribute("sample-if-return" )
         * @@.param2 InheritableTestCase.InheritableAttribute("sample-if-param-2" )
         */
        public Integer methodWithAttributes (int param1, int param2);
    }
    
    /**
     * @@org.apache.commons.attributes.Inheritable()
     */
    public static class InheritableAttribute {
        private final String name;
        public InheritableAttribute(String name) { this.name = name; }
        public String getInheritableAttributeName () { return name; }
        
        public boolean equals (Object o) {
            return o instanceof InheritableAttribute &&
                ((InheritableAttribute) o).name.equals (name);
        }
        public int hashCode () { return name.hashCode (); }
        public String toString () { return "[InheritableAttribute \"" + name + "\"]"; }
    }
    
    public static class NonInheritableAttribute {
        public NonInheritableAttribute() {}
        public boolean equals (Object o) { return o instanceof NonInheritableAttribute; }
        public int hashCode () { return 0; }
        public String toString () { return "[NonInheritableAttribute]"; }
    }
    
    /** @@InheritableTestCase.NonInheritableAttribute()
     * @@InheritableTestCase.InheritableAttribute( "sample" ) */
    public static class Sample extends InheritableTestCase.SuperClass implements JoinedInterface {
        /** @@InheritableTestCase.NonInheritableAttribute() */
        public Object field;
        public Object noAttributesInSubClass;        
        /** @@InheritableTestCase.InheritableAttribute( "sample-some-method1" ) */
        public void someMethod () {}        
        /** @@InheritableTestCase.InheritableAttribute( "sample-some-method2" ) */
        public void someMethod (int parameter) {}        
        /** @@.param2 InheritableTestCase.NonInheritableAttribute ()
         * @@.return InheritableTestCase.InheritableAttribute("sample-return") */
        public Integer methodWithAttributes (int param1, int param2) { return null; }
        public void methodWithNoAttributes () {}
        /** @@InheritableTestCase.InheritableAttribute( "inner-sample" ) */
        public static class InnerSample {}
        /** @@InheritableTestCase.InheritableAttribute( "sample-privateMethod" ) */
        private void privateMethod () {}
    }
    
    public void testClassInheritance () throws Exception {
        Class c = Sample.class;
        assertEquals (5, Attributes.getAttributes (c).size ());
        assertEquals (4, Attributes.getAttributes (c, InheritableAttribute.class).size ());
        assertTrue (Attributes.hasAttributeType (c, InheritableAttribute.class));
        assertTrue (Attributes.hasAttributeType (c, NonInheritableAttribute.class));
        assertTrue (Attributes.hasAttribute (c, new InheritableAttribute( "sample" )));
        assertTrue (Attributes.hasAttribute (c, new InheritableAttribute( "super-sample" )));
        assertTrue (Attributes.hasAttribute (c, new InheritableAttribute( "sample-if-1-c" )));
        assertTrue (Attributes.hasAttribute (c, new InheritableAttribute( "sample-if-2-c" )));
        assertTrue (Attributes.hasAttribute (c, new NonInheritableAttribute()));
    }
    
    public void testMethodInheritance () throws Exception {
        Method m = Sample.class.getMethod ("someMethod", new Class[]{ Integer.TYPE });
        assertEquals (4, Attributes.getAttributes (m).size ());
        assertEquals (4, Attributes.getAttributes (m, InheritableAttribute.class).size ());
        assertTrue (Attributes.hasAttributeType (m, InheritableAttribute.class));
        assertTrue (Attributes.hasAttribute (m, new InheritableAttribute( "super-some-method-sample" )));
        assertTrue (Attributes.hasAttribute (m, new InheritableAttribute( "sample-some-method2" ) ));
        assertTrue (Attributes.hasAttribute (m, new InheritableAttribute( "sample-if-1" ) ));
        assertTrue (Attributes.hasAttribute (m, new InheritableAttribute( "sample-if-2" ) ));
    }
    
    public void testPrivateMethodNonInheritance () throws Exception {
        Method m = Sample.class.getDeclaredMethod ("privateMethod", new Class[]{});
        assertEquals (1, Attributes.getAttributes (m).size ());
        assertEquals (1, Attributes.getAttributes (m, InheritableAttribute.class).size ());
        assertTrue (Attributes.hasAttributeType (m, InheritableAttribute.class));
        assertTrue (Attributes.hasAttribute (m, new InheritableAttribute( "sample-privateMethod" ) ));
        
        m = SuperClass.class.getDeclaredMethod ("privateMethod", new Class[]{});
        assertEquals (1, Attributes.getAttributes (m).size ());
        assertEquals (1, Attributes.getAttributes (m, InheritableAttribute.class).size ());
        assertTrue (Attributes.hasAttributeType (m, InheritableAttribute.class));
        assertTrue (Attributes.hasAttribute (m, new InheritableAttribute( "super-privateMethod" ) ));
    }
    
    public void testFieldNonInheritance () throws Exception {
        Field f = SuperClass.class.getField ("field");
        assertEquals (2, Attributes.getAttributes (f).size ());
        assertEquals (1, Attributes.getAttributes (f, NonInheritableAttribute.class).size ());
        assertEquals (1, Attributes.getAttributes (f, InheritableAttribute.class).size ());
        assertTrue (Attributes.hasAttributeType (f, NonInheritableAttribute.class));
        assertTrue (Attributes.hasAttributeType (f, InheritableAttribute.class));
        assertTrue (Attributes.hasAttribute (f, new NonInheritableAttribute()));
        assertTrue (Attributes.hasAttribute (f, new InheritableAttribute( "super-field" )));
        
        f = Sample.class.getField ("field");
        assertEquals (1, Attributes.getAttributes (f).size ());
        assertEquals (1, Attributes.getAttributes (f, NonInheritableAttribute.class).size ());
        assertTrue (Attributes.hasAttributeType (f, NonInheritableAttribute.class));
        assertTrue (Attributes.hasAttribute (f, new NonInheritableAttribute()));
        
        f = SuperClass.class.getField ("noAttributesInSubClass");
        assertEquals (1, Attributes.getAttributes (f).size ());
        assertEquals (1, Attributes.getAttributes (f, InheritableAttribute.class).size ());
        assertTrue (Attributes.hasAttribute (f, new InheritableAttribute( "super-noattrs" )));
        assertTrue (Attributes.hasAttributeType (f, InheritableAttribute.class));
        
        f = Sample.class.getField ("noAttributesInSubClass");
        assertEquals (0, Attributes.getAttributes (f).size ());
        assertEquals (0, Attributes.getAttributes (f, InheritableAttribute.class).size ());
        assertTrue (!Attributes.hasAttribute (f, new InheritableAttribute( "super-noattrs" )));
        assertTrue (!Attributes.hasAttributeType (f, InheritableAttribute.class));
    }
}

Other Commons Attributes examples (source code examples)

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