/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.camel.component.jcache;

import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;

import org.apache.camel.RuntimeCamelException;

public final class JCacheHelper {
    private JCacheHelper() {
    }

    public static <K, V> JCacheManager<K, V> createManager(JCacheConfiguration configuration) {
        try {
            // Check if we are in an osgi container
            Class.forName("org.osgi.framework.FrameworkUtil");
            Class<?> type = Class.forName("org.apache.camel.component.jcache.osgi.OSGiCacheManager");
            Constructor<?> ctor = type.getConstructor(JCacheConfiguration.class);

            return (JCacheManager<K, V>)ctor.newInstance(configuration);
        } catch (ClassNotFoundException e) {
            return new JCacheManager<>(configuration);
        } catch (Exception e) {
            throw new RuntimeCamelException(e);
        }
    }

    @SuppressWarnings("uncheked")
    public static <T> T tcclProxy(final T instance, Class<T> type, final ClassLoader classLoader) {
        return (T) Proxy.newProxyInstance(
            JCacheHelper.class.getClassLoader(),
            new Class<?>[] {
                type
            },
            (Object proxy, Method method, Object[] args) -> {
                final ClassLoader tccl = Thread.currentThread().getContextClassLoader();
                try {
                    Thread.currentThread().setContextClassLoader(classLoader);
                    return method.invoke(instance, args);
                } finally {
                    Thread.currentThread().setContextClassLoader(tccl);
                }
            }
        );
    }
}

@@ -1172,129 +1172,46 @@
     
-try %7B%0A            // Check if we are in an osgi container%0A            Class.forName(%22org.osgi.framework.FrameworkUtil%22);%0A
+if (isOSGi()) %7B%0A            try %7B%0A    
     
@@ -1320,16 +1320,20 @@
         
+   
+ 
 Construc
@@ -1399,32 +1399,36 @@
 );%0A%0A            
+    
 return (JCacheMa
@@ -1472,32 +1472,36 @@
 ation);%0A        
+   
+ 
 %7D catch (ClassNo
@@ -1497,21 +1497,8 @@
 ch (
-ClassNotFound
 Exce
@@ -1524,48 +1524,45 @@
     
-return new JCacheManager%3C%3E(configura
+    throw new RuntimeCamelExcep
 tion
+(e
 );%0A 
@@ -1572,44 +1572,33 @@
     
-%7D catch (Exception e) %7B%0A
+    %7D%0A    
     
+%7D%0A%0A
         
 thro
@@ -1597,53 +1597,50 @@
     
-throw new RuntimeCamelException(e);%0A        %7D
+return new JCacheManager%3C%3E(configuration);
 %0A   
@@ -2392,11 +2392,604 @@
 );%0A    %7D
+%0A%0A    public static boolean isOSGi() %7B%0A        try %7B%0A            // Check if we are in an osgi container%0A            Class%3C?%3E fu = Class.forName(%22org.osgi.framework.FrameworkUtil%22);%0A            if (fu != null) %7B%0A                Method method = fu.getMethod(%22getBundle%22, Class.class);%0A                if (method != null) %7B%0A                    return method.invoke(null, JCacheHelper.class) != null;%0A                %7D%0A            %7D%0A        %7D catch (ClassNotFoundException e) %7B%0A        %7D catch (Exception e) %7B%0A            throw new RuntimeCamelException(e);%0A        %7D%0A%0A        return false;%0A    %7D
 %0A%7D%0A

Improve OSGi camel-jcache support