Spring Framework example source code file (AspectJTypeFilterTests.java)

This example Spring Framework source code file (AspectJTypeFilterTests.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 - Spring Framework tags/keywords

aspectjtypefilter, component, exception, exception, simplemetadatareaderfactory, someclass, someclass, someclassannotatedwithcomponent, someclassannotatedwithcomponent, someclassextendingsomeclass, someclassextendingsomeclassextendingsomeclassandimplemnentingsomeinterface, someclassextendingsomeclassextendingsomeclassandimplemnentingsomeinterface, someclassimplementingsomeinterface, someinterface

The Spring Framework AspectJTypeFilterTests.java source code

/*
 * Copyright 2002-2007 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.
 * 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.springframework.core.type;

import junit.framework.TestCase;

import org.springframework.core.type.classreading.MetadataReaderFactory;
import org.springframework.core.type.classreading.MetadataReader;
import org.springframework.core.type.classreading.SimpleMetadataReaderFactory;
import org.springframework.core.type.filter.AspectJTypeFilter;
import org.springframework.stereotype.Component;

/**
 * @author Ramnivas Laddad
 */
public class AspectJTypeFilterTests extends TestCase {

	public void testNamePatternMatches() throws Exception {
		assertMatch("org.springframework.core.type.AspectJTypeFilterTests$SomeClass",
				"org.springframework.core.type.AspectJTypeFilterTests.SomeClass");
		assertMatch("org.springframework.core.type.AspectJTypeFilterTests$SomeClass",
				"*");
		assertMatch("org.springframework.core.type.AspectJTypeFilterTests$SomeClass",
				"*..SomeClass");
		assertMatch("org.springframework.core.type.AspectJTypeFilterTests$SomeClass",
				"org..SomeClass");
	}

	public void testNamePatternNoMatches() throws Exception {
		assertNoMatch("org.springframework.core.type.AspectJTypeFilterTests$SomeClass",
				"org.springframework.core.type.AspectJTypeFilterTests.SomeClassX");
	}

	public void testSubclassPatternMatches() throws Exception {
		assertMatch("org.springframework.core.type.AspectJTypeFilterTests$SomeClassExtendingSomeClass",
				"org.springframework.core.type.AspectJTypeFilterTests.SomeClass+");
		assertMatch("org.springframework.core.type.AspectJTypeFilterTests$SomeClassExtendingSomeClass",
				"*+");
		assertMatch("org.springframework.core.type.AspectJTypeFilterTests$SomeClassExtendingSomeClass",
				"java.lang.Object+");

		assertMatch("org.springframework.core.type.AspectJTypeFilterTests$SomeClassImplementingSomeInterface",
				"org.springframework.core.type.AspectJTypeFilterTests.SomeInterface+");
		assertMatch("org.springframework.core.type.AspectJTypeFilterTests$SomeClassImplementingSomeInterface",
				"*+");
		assertMatch("org.springframework.core.type.AspectJTypeFilterTests$SomeClassImplementingSomeInterface",
				"java.lang.Object+");

		assertMatch("org.springframework.core.type.AspectJTypeFilterTests$SomeClassExtendingSomeClassExtendingSomeClassAndImplemnentingSomeInterface",
				"org.springframework.core.type.AspectJTypeFilterTests.SomeInterface+");
		assertMatch("org.springframework.core.type.AspectJTypeFilterTests$SomeClassExtendingSomeClassExtendingSomeClassAndImplemnentingSomeInterface",
				"org.springframework.core.type.AspectJTypeFilterTests.SomeClassExtendingSomeClass+");
		assertMatch("org.springframework.core.type.AspectJTypeFilterTests$SomeClassExtendingSomeClassExtendingSomeClassAndImplemnentingSomeInterface",
				"org.springframework.core.type.AspectJTypeFilterTests.SomeClass+");
		assertMatch("org.springframework.core.type.AspectJTypeFilterTests$SomeClassExtendingSomeClassExtendingSomeClassAndImplemnentingSomeInterface",
				"*+");
		assertMatch("org.springframework.core.type.AspectJTypeFilterTests$SomeClassExtendingSomeClassExtendingSomeClassAndImplemnentingSomeInterface",
				"java.lang.Object+");
	}

	public void testSubclassPatternNoMatches() throws Exception {
		assertNoMatch("org.springframework.core.type.AspectJTypeFilterTests$SomeClassExtendingSomeClass",
				"java.lang.String+");
	}

	public void testAnnotationPatternMathces() throws Exception {
		assertMatch("org.springframework.core.type.AspectJTypeFilterTests$SomeClassAnnotatedWithComponent",
				"@org.springframework.stereotype.Component *..*");
		assertMatch("org.springframework.core.type.AspectJTypeFilterTests$SomeClassAnnotatedWithComponent",
				"@* *..*");
		assertMatch("org.springframework.core.type.AspectJTypeFilterTests$SomeClassAnnotatedWithComponent",
				"@*..* *..*");
		assertMatch("org.springframework.core.type.AspectJTypeFilterTests$SomeClassAnnotatedWithComponent",
				"@*..*Component *..*");
		assertMatch("org.springframework.core.type.AspectJTypeFilterTests$SomeClassAnnotatedWithComponent",
				"@org.springframework.stereotype.Component *..*Component");
		assertMatch("org.springframework.core.type.AspectJTypeFilterTests$SomeClassAnnotatedWithComponent",
				"@org.springframework.stereotype.Component *");
	}

	public void testAnnotationPatternNoMathces() throws Exception {
		assertNoMatch("org.springframework.core.type.AspectJTypeFilterTests$SomeClassAnnotatedWithComponent",
				"@org.springframework.stereotype.Repository *..*");
	}

	public void testCompositionPatternMatches() throws Exception {
		assertMatch("org.springframework.core.type.AspectJTypeFilterTests$SomeClass",
				"!*..SomeOtherClass");
		assertMatch("org.springframework.core.type.AspectJTypeFilterTests$SomeClassExtendingSomeClassExtendingSomeClassAndImplemnentingSomeInterface",
				"org.springframework.core.type.AspectJTypeFilterTests.SomeInterface+ " +
						"&& org.springframework.core.type.AspectJTypeFilterTests.SomeClass+ " +
						"&& org.springframework.core.type.AspectJTypeFilterTests.SomeClassExtendingSomeClass+");
		assertMatch("org.springframework.core.type.AspectJTypeFilterTests$SomeClassExtendingSomeClassExtendingSomeClassAndImplemnentingSomeInterface",
				"org.springframework.core.type.AspectJTypeFilterTests.SomeInterface+ " +
						"|| org.springframework.core.type.AspectJTypeFilterTests.SomeClass+ " +
						"|| org.springframework.core.type.AspectJTypeFilterTests.SomeClassExtendingSomeClass+");
	}

	public void testCompositionPatternNoMatches() throws Exception {
		assertNoMatch("org.springframework.core.type.AspectJTypeFilterTests$SomeClass",
				"*..Bogus && org.springframework.core.type.AspectJTypeFilterTests.SomeClass");
	}

	private void assertMatch(String type, String typePattern) throws Exception {
		MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
		MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(type);

		AspectJTypeFilter filter = new AspectJTypeFilter(typePattern, getClass().getClassLoader());
		assertTrue(filter.match(metadataReader, metadataReaderFactory));
		ClassloadingAssertions.assertClassNotLoaded(type);
	}

	private void assertNoMatch(String type, String typePattern) throws Exception {
		MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
		MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(type);

		AspectJTypeFilter filter = new AspectJTypeFilter(typePattern, getClass().getClassLoader());
		assertFalse(filter.match(metadataReader, metadataReaderFactory));
		ClassloadingAssertions.assertClassNotLoaded(type);
	}


	// We must use a standalone set of types to ensure that no one else is loading them
	// and interfering with ClassloadingAssertions.assertClassNotLoaded()
	static interface SomeInterface {
	}


	static class SomeClass {
	}


	static class SomeClassExtendingSomeClass extends SomeClass {
	}


	static class SomeClassImplementingSomeInterface implements SomeInterface {
	}


	static class SomeClassExtendingSomeClassExtendingSomeClassAndImplemnentingSomeInterface
			extends SomeClassExtendingSomeClass implements SomeInterface {
	}


	@Component
	static class SomeClassAnnotatedWithComponent {
	}

}