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/*
DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
Copyright (c) 2014-2021 Payara Foundation. All rights reserved.
The contents of this file are subject to the terms of 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.
When distributing the software, include this License Header Notice in each
file and include the License file at packager/legal/LICENSE.txt.
*/
package fish.payara.cdi.jsr107.implementation;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.cache.annotation.CacheDefaults;
import javax.cache.annotation.CacheInvocationParameter;
import javax.cache.annotation.CacheKey;
import javax.cache.annotation.CacheKeyGenerator;
import javax.cache.annotation.CacheKeyInvocationContext;
import javax.cache.annotation.CachePut;
import javax.cache.annotation.CacheRemove;
import javax.cache.annotation.CacheRemoveAll;
import javax.cache.annotation.CacheResolverFactory;
import javax.cache.annotation.CacheResult;
import javax.cache.annotation.CacheValue;
import jakarta.interceptor.InvocationContext;
/**
*
* @author steve
*/
public class PayaraCacheKeyInvocationContext implements CacheKeyInvocationContext {
private final InvocationContext ctx;
private final A annotation;
private CacheDefaults defaults;
private CacheResolverFactory factory;
private CacheKeyGenerator generator;
public PayaraCacheKeyInvocationContext(InvocationContext ctx, A annotation) {
this.ctx = ctx;
this.annotation = annotation;
Class clazz = ctx.getTarget().getClass();
//hunt for cache defaults annotation
while (defaults == null && clazz != null) {
defaults = clazz.getAnnotation(CacheDefaults.class);
if (defaults == null) {
clazz = clazz.getSuperclass();
}
}
if (!(annotation instanceof CacheRemoveAll)) {
generator = getGenerator();
}
factory = getFactory();
}
@Override
public Object getTarget() {
return ctx.getTarget();
}
public final CacheResolverFactory getFactory() {
if (factory != null) {
return factory;
}
factory = new PayaraCacheResolverFactory();
Class defaultClazz = javax.cache.annotation.CacheResolverFactory.class;
Class suggestedClazz = null;
if (annotation instanceof CachePut) {
CachePut put = CachePut.class.cast(annotation);
suggestedClazz = put.cacheResolverFactory();
} else if (annotation instanceof CacheRemove) {
CacheRemove put = CacheRemove.class.cast(annotation);
suggestedClazz = put.cacheResolverFactory();
} else if (annotation instanceof CacheResult) {
CacheResult put = CacheResult.class.cast(annotation);
suggestedClazz = put.cacheResolverFactory();
} else if (annotation instanceof CacheRemoveAll) {
CacheRemoveAll put = CacheRemoveAll.class.cast(annotation);
suggestedClazz = put.cacheResolverFactory();
}
if (suggestedClazz == defaultClazz && defaults != null) {
suggestedClazz = defaults.cacheResolverFactory();
}
if (defaultClazz != suggestedClazz && suggestedClazz != null) {
try {
factory = (CacheResolverFactory) suggestedClazz.newInstance();
} catch (InstantiationException | IllegalAccessException ex) {
Logger.getLogger(PayaraCacheKeyInvocationContext.class.getName()).log(Level.SEVERE, null, ex);
}
}
return factory;
}
public final CacheKeyGenerator getGenerator() {
if (generator != null) {
return generator;
}
generator = new PayaraCacheKeyGenerator();
Class defaultClazz = javax.cache.annotation.CacheKeyGenerator.class;
Class suggestedClazz = null;
if (annotation instanceof CachePut) {
CachePut put = CachePut.class.cast(annotation);
suggestedClazz = put.cacheKeyGenerator();
} else if (annotation instanceof CacheRemove) {
CacheRemove put = CacheRemove.class.cast(annotation);
suggestedClazz = put.cacheKeyGenerator();
} else if (annotation instanceof CacheResult) {
CacheResult put = CacheResult.class.cast(annotation);
suggestedClazz = put.cacheKeyGenerator();
}
if (suggestedClazz == defaultClazz && defaults != null) {
suggestedClazz = defaults.cacheKeyGenerator();
}
if (defaultClazz != suggestedClazz && suggestedClazz != null) {
try {
generator = (CacheKeyGenerator) suggestedClazz.newInstance();
} catch (InstantiationException | IllegalAccessException ex) {
Logger.getLogger(PayaraCacheKeyInvocationContext.class.getName()).log(Level.SEVERE, null, ex);
}
}
return generator;
}
@Override
public CacheInvocationParameter[] getAllParameters() {
Class parameters[] = getMethod().getParameterTypes();
Annotation annotations[][] = getMethod().getParameterAnnotations();
Object values[] = ctx.getParameters();
CacheInvocationParameter result[] = new CacheInvocationParameter[parameters.length];
if (values != null) {
for (int i = 0; i < values.length; i++) {
Object value = values[i];
result[i] = new PayaraCacheInvocationParameter(parameters[i], annotations[i], value, i);
}
}
return result;
}
@Override
public Object unwrap(Class type) {
throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
}
@Override
public Method getMethod() {
return ctx.getMethod();
}
@Override
public Set getAnnotations() {
HashSet result = new HashSet<>();
Annotation annotations[] = getMethod().getAnnotations();
for (Annotation annotation1 : annotations) {
result.add(annotation1);
}
return result;
}
@Override
public String getCacheName() {
String result = null;
if (annotation instanceof CachePut) {
CachePut put = CachePut.class.cast(annotation);
result = put.cacheName();
} else if (annotation instanceof CacheRemove) {
CacheRemove put = CacheRemove.class.cast(annotation);
result = put.cacheName();
} else if (annotation instanceof CacheRemoveAll) {
CacheRemoveAll put = CacheRemoveAll.class.cast(annotation);
result = put.cacheName();
} else if (annotation instanceof CacheResult) {
CacheResult put = CacheResult.class.cast(annotation);
result = put.cacheName();
}
if ((result == null || result.isEmpty()) && (defaults != null)) {
result = defaults.cacheName();
}
if ((result == null) || (result.isEmpty())) {
String targetClassName = ctx.getTarget().getClass().getName();
String methodName = ctx.getMethod().getName();
Object params[] = ctx.getParameters();
StringBuilder cacheName = new StringBuilder(targetClassName);
cacheName.append('.').append(methodName).append('(');
if (params != null) {
for (int i = 0; i < params.length; i++) {
cacheName.append(params[i].getClass().getName());
if (i != params.length - 1) {
cacheName.append(',');
}
}
}
cacheName.append(')');
result = cacheName.toString();
}
return result;
}
@Override
public A getCacheAnnotation() {
return annotation;
}
@Override
public CacheInvocationParameter[] getKeyParameters() {
CacheInvocationParameter allParams[] = getAllParameters();
LinkedList result = new LinkedList<>();
// add only CacheKey elements
for (CacheInvocationParameter result1 : allParams) {
for (Annotation annotation : result1.getAnnotations()) {
if (annotation.annotationType().equals(CacheKey.class)) {
result.add(result1);
}
}
}
if (result.isEmpty()) {
// we need to rescan and add all parameters except any CacheValue annotated parameters
for (CacheInvocationParameter result1 : allParams) {
boolean add = true;
for (Annotation annotation : result1.getAnnotations()) {
if (annotation.annotationType().equals(CacheValue.class)) {
add = false;
break;
}
}
if (add) {
result.add(result1);
}
}
}
CacheInvocationParameter resultArray[] = new CacheInvocationParameter[result.size()];
int i = 0;
for (CacheInvocationParameter resultArray1 : result) {
resultArray[i++] = resultArray1;
}
return resultArray;
}
@Override
public CacheInvocationParameter getValueParameter() {
CacheInvocationParameter result = null;
CacheInvocationParameter allParams[] = getAllParameters();
for (CacheInvocationParameter result1 : allParams) {
for (Annotation annotation : result1.getAnnotations()) {
if (annotation.annotationType().equals(CacheValue.class)) {
result = result1;
break;
}
}
}
return result;
}
}