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package org.apache.camel.spring; |
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import java.lang.reflect.Modifier; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.Set; |
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import org.apache.camel.builder.RouteBuilder; |
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import org.apache.camel.util.ResolverUtil; |
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import org.springframework.context.ApplicationContext; |
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public class RouteBuilderFinder { |
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private final SpringCamelContext camelContext; |
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private final String[] packages; |
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private ApplicationContext applicationContext; |
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private ResolverUtil resolver = new ResolverUtil(); |
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public RouteBuilderFinder(SpringCamelContext camelContext, String[] packages) { |
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this.camelContext = camelContext; |
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this.applicationContext = camelContext.getApplicationContext(); |
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this.packages = packages; |
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} |
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public String[] getPackages() { |
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return packages; |
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} |
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public ApplicationContext getApplicationContext() { |
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return applicationContext; |
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} |
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public void appendBuilders(List<RouteBuilder> list) throws IllegalAccessException, InstantiationException { |
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resolver.findImplementations(RouteBuilder.class, packages); |
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Set<Class> classes = resolver.getClasses(); |
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for (Class aClass : classes) { |
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if (shouldIgnoreBean(aClass)) { |
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continue; |
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} |
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if (isValidClass(aClass)) { |
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RouteBuilder builder = instantiateBuilder(aClass); |
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list.add(builder); |
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} |
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} |
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} |
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public void destroy() throws Exception { |
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} |
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protected boolean shouldIgnoreBean(Class type) { |
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Map beans = applicationContext.getBeansOfType(type, true, true); |
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if (beans == null || beans.isEmpty()) { |
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return false; |
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} |
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return true; |
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} |
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protected boolean isValidClass(Class type) { |
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if (!Modifier.isAbstract(type.getModifiers()) && !type.isInterface()) { |
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return true; |
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} |
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return false; |
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} |
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protected RouteBuilder instantiateBuilder(Class type) throws IllegalAccessException, InstantiationException { |
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return (RouteBuilder) camelContext.getInjector().newInstance(type); |
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} |
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} |