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AnnotationAltAnnotationImpl.java
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AnnotationAltAnnotationImpl.java
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/*
* Copyright (c) 2015, 2024 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package org.glassfish.hk2.xml.internal.alt.clazz;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import java.util.Collections;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import java.util.concurrent.locks.ReentrantLock;
import org.glassfish.hk2.utilities.reflection.ClassReflectionHelper;
import org.glassfish.hk2.utilities.reflection.ReflectionHelper;
import org.glassfish.hk2.utilities.reflection.internal.ClassReflectionHelperImpl;
import org.glassfish.hk2.xml.internal.alt.AltAnnotation;
import org.glassfish.hk2.xml.internal.alt.AltClass;
import org.glassfish.hk2.xml.internal.alt.AltEnum;
import org.glassfish.hk2.xml.jaxb.internal.XmlElementImpl;
/**
* @author jwells
*
*/
public class AnnotationAltAnnotationImpl implements AltAnnotation {
private final static Set<String> DO_NOT_HANDLE_METHODS = new HashSet<String>();
static {
DO_NOT_HANDLE_METHODS.add("hashCode");
DO_NOT_HANDLE_METHODS.add("equals");
DO_NOT_HANDLE_METHODS.add("toString");
DO_NOT_HANDLE_METHODS.add("annotationType");
}
private final ReentrantLock lock = new ReentrantLock();
private final Annotation annotation;
private final ClassReflectionHelper helper;
private Map<String, Object> values;
public AnnotationAltAnnotationImpl(Annotation annotation, ClassReflectionHelper helper) {
this.annotation = annotation;
if (helper == null) {
this.helper = new ClassReflectionHelperImpl();
}
else {
this.helper = helper;
}
}
public Annotation getOriginalAnnotation() {
return annotation;
}
/* (non-Javadoc)
* @see org.glassfish.hk2.xml.internal.alt.AltAnnotation#annotationType()
*/
@Override
public String annotationType() {
return annotation.annotationType().getName();
}
/* (non-Javadoc)
* @see org.glassfish.hk2.xml.internal.alt.AltAnnotation#getStringValue(java.lang.String)
*/
@Override
public String getStringValue(String methodName) {
lock.lock();
try {
if (values == null) getAnnotationValues();
if (XmlElementImpl.class.equals(annotation.getClass()) &&
"getTypeByName".equals(methodName)) {
XmlElementImpl xei = (XmlElementImpl) annotation;
return xei.getTypeByName();
}
return (String) values.get(methodName);
} finally {
lock.unlock();
}
}
/* (non-Javadoc)
* @see org.glassfish.hk2.xml.internal.alt.AltAnnotation#getBooleanValue(java.lang.String)
*/
@Override
public boolean getBooleanValue(String methodName) {
lock.lock();
try {
if (values == null) getAnnotationValues();
return (Boolean) values.get(methodName);
} finally {
lock.unlock();
}
}
@Override
public String[] getStringArrayValue(String methodName) {
lock.lock();
try {
if (values == null) getAnnotationValues();
return (String[]) values.get(methodName);
} finally {
lock.unlock();
}
}
@Override
public AltAnnotation[] getAnnotationArrayValue(String methodName) {
if (values == null) getAnnotationValues();
return (AltAnnotation[]) values.get(methodName);
}
@Override
public AltClass getClassValue(String methodName) {
if (values == null) getAnnotationValues();
return (AltClass) values.get(methodName);
}
/* (non-Javadoc)
* @see org.glassfish.hk2.xml.internal.alt.AltAnnotation#getAnnotationValues()
*/
@Override
public Map<String, Object> getAnnotationValues() {
lock.lock();
try {
if (values != null) return values;
Map<String, Object> retVal = new TreeMap<String, Object>();
for (Method javaAnnotationMethod : annotation.annotationType().getMethods()) {
if (javaAnnotationMethod.getParameterTypes().length != 0) continue;
if (DO_NOT_HANDLE_METHODS.contains(javaAnnotationMethod.getName())) continue;
String key = javaAnnotationMethod.getName();
Object value;
try {
value = ReflectionHelper.invoke(annotation, javaAnnotationMethod, new Object[0], false);
if (value == null) {
throw new AssertionError("Recieved null from annotation method " + javaAnnotationMethod.getName());
}
}
catch (RuntimeException re) {
throw re;
}
catch (Throwable th) {
throw new RuntimeException(th);
}
if (value instanceof Class) {
value = new ClassAltClassImpl((Class<?>) value, helper);
}
else if (Enum.class.isAssignableFrom(value.getClass())) {
value = new EnumAltEnumImpl((Enum<?>) value);
}
else if (value.getClass().isArray() && Class.class.equals(value.getClass().getComponentType())) {
Class<?> cValue[] = (Class<?>[]) value;
AltClass[] translatedValue = new AltClass[cValue.length];
for (int lcv = 0; lcv < cValue.length; lcv++) {
translatedValue[lcv] = new ClassAltClassImpl(cValue[lcv], helper);
}
value = translatedValue;
}
else if (value.getClass().isArray() && Enum.class.isAssignableFrom(value.getClass().getComponentType())) {
Enum<?> eValue[] = (Enum<?>[]) value;
AltEnum[] translatedValue = new AltEnum[eValue.length];
for (int lcv = 0; lcv < eValue.length; lcv++) {
translatedValue[lcv] = new EnumAltEnumImpl(eValue[lcv]);
}
value = translatedValue;
}
else if (value.getClass().isArray() && Annotation.class.isAssignableFrom(value.getClass().getComponentType())) {
Annotation aValue[] = (Annotation[]) value;
AltAnnotation[] translatedValue = new AltAnnotation[aValue.length];
for (int lcv = 0; lcv < aValue.length; lcv++) {
translatedValue[lcv] = new AnnotationAltAnnotationImpl(aValue[lcv], helper);
}
value = translatedValue;
}
retVal.put(key, value);
}
values = Collections.unmodifiableMap(retVal);
return values;
} finally {
lock.unlock();
}
}
@Override
public String toString() {
return "AnnotationAltAnnotationImpl(" + annotation + "," + System.identityHashCode(this) + ")";
}
}