com.sun.faces.config.DelegatingAnnotationProvider Maven / Gradle / Ivy
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This is the master POM file for Oracle's Implementation of the JSF 2.2 Specification.
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2015 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
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* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
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* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
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*/
package com.sun.faces.config;
import static com.sun.faces.RIConstants.ANNOTATED_CLASSES;
import static com.sun.faces.config.AnnotationScanner.FACES_ANNOTATION_TYPE;
import static com.sun.faces.config.WebConfiguration.WebContextInitParameter.AnnotationScanPackages;
import com.sun.faces.spi.AnnotationProvider;
import java.lang.annotation.Annotation;
import java.net.URI;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import javax.servlet.ServletContext;
/*
* This class is the default implementation of AnnotationProvider
* referenced by the AnnotationProviderFactory. Unless someone
* manualy provides one via in META-INF/services, this is the one
* that will actually be instantiated and installed into Mojarra.
* This class actually delegates the real work to one of two kinds of
* com.sun.faces.config.AnnotationScanner subclasses.
* JavaClassScanningAnnotationScanner or
* DelegateToGlassFishAnnotationScanner.
*
*/
public class DelegatingAnnotationProvider extends AnnotationProvider {
private AnnotationScanner scanner = null;
public DelegatingAnnotationProvider(ServletContext sc) {
super(sc);
}
/*
* Called during annotation scanning. If we already have a scanner
* reference, use it. If not, create a
* JavaClassScanningAnnotationScanner and use it as the scanner.
*/
@Override
public Map, Set>> getAnnotatedClasses(Set urls) {
HashMap, Set>> annotatedMap = new HashMap, Set>>();
createAnnotatedMap(annotatedMap, (Set>) sc.getAttribute(ANNOTATED_CLASSES));
return annotatedMap;
}
/*
* This will only be called if the InjectionProvider offered by the
* container implements com.sun.faces.spi.AnnotationScanner. In
* this case, we know that we can safely use
* DelegateToGlassFishAnnotationScanner as our scanner reference.
*/
public void setAnnotationScanner(com.sun.faces.spi.AnnotationScanner containerConnector, Set jarNamesWithoutMetadataComplete) {
assert(null == scanner);
DelegateToGlassFishAnnotationScanner impl =
new DelegateToGlassFishAnnotationScanner(sc);
impl.setAnnotationScanner(containerConnector, jarNamesWithoutMetadataComplete);
scanner = impl;
}
/**
* Go over the annotated set and converter it to a hash map.
*
* @param annotatedMap
* @param annotatedSet
*/
private void createAnnotatedMap(HashMap, Set>> annotatedMap, Set> annotatedSet) {
if (annotatedSet != null && !annotatedSet.isEmpty()) {
Iterator> iterator = annotatedSet.iterator();
WebConfiguration webConfig = WebConfiguration.getInstance();
boolean annotationScanPackagesSet = webConfig.isSet(AnnotationScanPackages);
String[] annotationScanPackages = null;
if (annotationScanPackagesSet) {
annotationScanPackages = webConfig.getOptionValue(AnnotationScanPackages).split("\\s+");
}
while (iterator.hasNext()) {
try {
Class clazz = iterator.next();
Annotation[] annotations = clazz.getAnnotations();
for (Annotation annotation : annotations) {
Class annoType = annotation.annotationType();
if (FACES_ANNOTATION_TYPE.contains(annoType)) {
Set> classes = annotatedMap.get(annoType);
if (classes == null) {
classes = new HashSet>();
annotatedMap.put(annoType, classes);
}
if (annotationScanPackagesSet) {
if (matchesAnnotationScanPackages(clazz, annotationScanPackages)) {
classes.add(clazz);
}
} else {
classes.add(clazz);
}
}
}
} catch (NoClassDefFoundError ncdfe) {
}
}
}
}
private boolean matchesAnnotationScanPackages(Class clazz, String[] annotationScanPackages) {
boolean result = false;
for(int i=0; i