/*
* Copyright 2002-2009 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.classreading;
import java.io.IOException;
import java.io.InputStream;
import org.springframework.asm.ClassReader;
import org.springframework.core.io.Resource;
import org.springframework.core.type.AnnotationMetadata;
import org.springframework.core.type.ClassMetadata;
/**
* {@link MetadataReader} implementation based on an ASM
* {@link org.springframework.asm.ClassReader}.
*
* <p>Package-visible in order to allow for repackaging the ASM library
* without effect on users of the <code>core.type</code> package.
*
* @author Juergen Hoeller
* @author Costin Leau
* @since 2.5
*/
final class SimpleMetadataReader implements MetadataReader {
private final Resource resource;
private final ClassMetadata classMetadata;
private final AnnotationMetadata annotationMetadata;
SimpleMetadataReader(Resource resource, ClassLoader classLoader) throws IOException {
InputStream is = resource.getInputStream();
ClassReader classReader = null;
try {
classReader = new ClassReader(is);
} finally {
is.close();
}
AnnotationMetadataReadingVisitor visitor = new AnnotationMetadataReadingVisitor(classLoader);
classReader.accept(visitor, true);
this.annotationMetadata = visitor;
// (since AnnotationMetadataReader extends ClassMetadataReadingVisitor)
this.classMetadata = visitor;
this.resource = resource;
}
public Resource getResource() {
return this.resource;
}
public ClassMetadata getClassMetadata() {
return this.classMetadata;
}
public AnnotationMetadata getAnnotationMetadata() {
return this.annotationMetadata;
}
}