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// $Id$
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/**
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* Copyright (C) 2014 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.model;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.List;
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import org.springframework.beans.factory.annotation.AnnotatedBeanDefinition;
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import org.springframework.beans.factory.config.BeanDefinition;
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import org.springframework.context.annotation.ClassPathScanningCandidateComponentProvider;
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import org.springframework.util.ClassUtils;
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/**
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* @author a.kohlbecker
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* @date Jul 31, 2014
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*
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*/
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public class CdmTypeScanner<T> extends ClassPathScanningCandidateComponentProvider {
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static final String defaultBasePackage = "eu/etaxonomy/cdm/";
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boolean includeAbstract;
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boolean includeInterfaces;
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public CdmTypeScanner(boolean considerAbstract, boolean considerInterfaces) {
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super(false);
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this.includeAbstract = considerAbstract;
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this.includeInterfaces = considerInterfaces;
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}
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public final Collection<Class<? extends T>> scanTypesIn(String basePackage) {
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String _basePackage = basePackage == null ? defaultBasePackage : basePackage;
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List<Class<? extends T>> classes = new ArrayList<Class<? extends T>>();
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for (BeanDefinition candidate : findCandidateComponents(_basePackage)) {
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Class cls = ClassUtils.resolveClassName(candidate.getBeanClassName(),
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ClassUtils.getDefaultClassLoader());
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classes.add(cls);
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}
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return classes;
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}
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/**
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* Determine whether the given bean definition qualifies as candidate.
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* <p>The special implementation checks whether the class is concrete
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* or abstract or an interface. The latter two conditions depend on
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* the state of the two boolean fields includeAnstract, includeInterface.
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*
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* @param beanDefinition the bean definition to check
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* @return whether the bean definition qualifies as a candidate component
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*/
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@Override
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protected boolean isCandidateComponent(AnnotatedBeanDefinition beanDefinition) {
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return (beanDefinition.getMetadata().isIndependent()
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&& (beanDefinition.getMetadata().isConcrete()
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|| (includeAbstract && beanDefinition.getMetadata().isAbstract())
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|| (includeInterfaces && beanDefinition.getMetadata().isInterface())
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)
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);
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}
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}
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