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ClassAltClassImpl.java
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ClassAltClassImpl.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.ParameterizedType;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import java.util.concurrent.locks.ReentrantLock;
import jakarta.xml.bind.annotation.adapters.XmlAdapter;
import org.glassfish.hk2.utilities.reflection.ClassReflectionHelper;
import org.glassfish.hk2.utilities.reflection.MethodWrapper;
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.AltMethod;
/**
* @author jwells
*
*/
public class ClassAltClassImpl implements AltClass {
private static final ClassReflectionHelper SCALAR_HELPER = new ClassReflectionHelperImpl();
public static final AltClass VOID = new ClassAltClassImpl(void.class, SCALAR_HELPER);
public static final AltClass BOOLEAN = new ClassAltClassImpl(boolean.class, SCALAR_HELPER);
public static final AltClass BYTE = new ClassAltClassImpl(byte.class, SCALAR_HELPER);
public static final AltClass CHAR = new ClassAltClassImpl(char.class, SCALAR_HELPER);
public static final AltClass SHORT = new ClassAltClassImpl(short.class, SCALAR_HELPER);
public static final AltClass INT = new ClassAltClassImpl(int.class, SCALAR_HELPER);
public static final AltClass LONG = new ClassAltClassImpl(long.class, SCALAR_HELPER);
public static final AltClass FLOAT = new ClassAltClassImpl(float.class, SCALAR_HELPER);
public static final AltClass DOUBLE = new ClassAltClassImpl(double.class, SCALAR_HELPER);
public static final AltClass OBJECT = new ClassAltClassImpl(Object.class, SCALAR_HELPER);
public static final AltClass XML_ADAPTER = new ClassAltClassImpl(XmlAdapter.class, SCALAR_HELPER);
private final ReentrantLock lock = new ReentrantLock();
private final Class<?> clazz;
private final ClassReflectionHelper helper;
private List<AltMethod> methods;
private List<AltAnnotation> annotations;
public ClassAltClassImpl(Class<?> clazz, ClassReflectionHelper helper) {
this.clazz = clazz;
this.helper = helper;
}
public Class<?> getOriginalClass() {
return clazz;
}
/* (non-Javadoc)
* @see org.glassfish.hk2.xml.internal.alt.AltClass#getName()
*/
@Override
public String getName() {
return clazz.getName();
}
/* (non-Javadoc)
* @see org.glassfish.hk2.xml.internal.alt.AltClass#getSimpleName()
*/
@Override
public String getSimpleName() {
return clazz.getSimpleName();
}
/* (non-Javadoc)
* @see org.glassfish.hk2.xml.internal.alt.AltClass#getAnnotations()
*/
@Override
public List<AltAnnotation> getAnnotations() {
lock.lock();
try {
if (annotations != null) return annotations;
Annotation annotationz[] = clazz.getAnnotations();
ArrayList<AltAnnotation> retVal = new ArrayList<AltAnnotation>(annotationz.length);
for (Annotation annotation : annotationz) {
retVal.add(new AnnotationAltAnnotationImpl(annotation, helper));
}
annotations = Collections.unmodifiableList(retVal);
return annotations;
} finally {
lock.unlock();
}
}
/* (non-Javadoc)
* @see org.glassfish.hk2.xml.internal.alt.AltClass#getMethods()
*/
@Override
public List<AltMethod> getMethods() {
lock.lock();
try {
if (methods != null) return methods;
Set<MethodWrapper> wrappers = helper.getAllMethods(clazz);
ArrayList<AltMethod> retVal = new ArrayList<AltMethod>(wrappers.size());
for (MethodWrapper method : wrappers) {
retVal.add(new MethodAltMethodImpl(method.getMethod(), helper));
}
methods = Collections.unmodifiableList(retVal);
return methods;
} finally {
lock.unlock();
}
}
@Override
public AltClass getSuperParameterizedType(AltClass superType, int paramIndex) {
Class<?> previousClazz = clazz;
Class<?> superClass = previousClazz.getSuperclass();
while (superClass != null) {
if (superType.getName().equals(superClass.getName())) {
Type genericType = previousClazz.getGenericSuperclass();
if (!(genericType instanceof ParameterizedType)) {
return null;
}
ParameterizedType pt = (ParameterizedType) genericType;
Type actualType = pt.getActualTypeArguments()[paramIndex];
Class<?> rawType = ReflectionHelper.getRawClass(actualType);
if (rawType == null) return null;
return new ClassAltClassImpl(rawType, helper);
}
previousClazz = superClass;
superClass = previousClazz.getSuperclass();
}
return null;
}
/* (non-Javadoc)
* @see org.glassfish.hk2.xml.internal.alt.AltClass#isInterface()
*/
@Override
public boolean isInterface() {
return clazz.isInterface();
}
/* (non-Javadoc)
* @see org.glassfish.hk2.xml.internal.alt.AltClass#isArray()
*/
@Override
public boolean isArray() {
return clazz.isArray();
}
/* (non-Javadoc)
* @see org.glassfish.hk2.xml.internal.alt.AltClass#getComponentType()
*/
@Override
public AltClass getComponentType() {
Class<?> cType = clazz.getComponentType();
if (cType == null) return null;
return new ClassAltClassImpl(cType, helper);
}
@Override
public int hashCode() {
return getName().hashCode();
}
@Override
public boolean equals(Object o) {
if (o == null) return false;
if (!(o instanceof AltClass)) return false;
AltClass other = (AltClass) o;
return getName().equals(other.getName());
}
@Override
public String toString() {
return "ClassAltClassImpl(" + clazz.getName() + "," + System.identityHashCode(this) + ")";
}
}