/*
 * Copyright 2012-2015 Steve Chaloner
 *
 * Licensed 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 be.objectify.deadbolt.java;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import play.Configuration;
import play.Play;

import javax.inject.Inject;
import java.util.function.Supplier;

/**
 * @author Steve Chaloner (steve@objectify.be)
 */
public class ExecutionContextProvider implements Supplier<DeadboltExecutionContextProvider>
{
    private static final Logger LOGGER = LoggerFactory.getLogger(ExecutionContextProvider.class);

    private final DeadboltExecutionContextProvider defaultProvider = new DefaultDeadboltExecutionContextProvider();

    private final boolean customEcEnabled;

    @Inject
    public ExecutionContextProvider(final Configuration config)
    {
        this.customEcEnabled = config.getBoolean(ConfigKeys.CUSTOM_EC_DEFAULT._1,
                                                 ConfigKeys.CUSTOM_EC_DEFAULT._2);
    }

    @Override
    public DeadboltExecutionContextProvider get()
    {
        DeadboltExecutionContextProvider ecProvider;
        if (customEcEnabled)
        {
            try
            {
                ecProvider = Play.application().injector().instanceOf(DeadboltExecutionContextProvider.class);
                LOGGER.debug("Custom execution context provider found");
            }
            catch (Exception e)
            {
                LOGGER.debug("No custom execution context found.");
                ecProvider = defaultProvider;
            }
        }
        else
        {
            ecProvider = defaultProvider;
        }
        return ecProvider;
    }
}

@@ -702,24 +702,22 @@
 rt play.
-Configur
+Applic
 ation;%0Ai
@@ -727,20 +727,29 @@
 rt play.
-Play
+Configuration
 ;%0A%0Aimpor
@@ -771,16 +771,47 @@
 Inject;%0A
+import javax.inject.Singleton;%0A
 import j
@@ -858,24 +858,25 @@
 hor Steve Ch
+ 
 aloner (stev
@@ -895,16 +895,27 @@
 be)%0A */%0A
+@Singleton%0A
 public c
@@ -1238,31 +1238,51 @@
 nal 
-boolean customEcEnabled
+DeadboltExecutionContextProvider ecProvider
 ;%0A%0A 
@@ -1354,16 +1354,83 @@
 n config
+,%0A                                    final Application application
 )%0A    %7B%0A
@@ -1441,13 +1441,16 @@
     
-this.
+boolean 
 cust
@@ -1563,16 +1563,19 @@
         
+   
 ConfigKe
@@ -1608,36 +1608,12 @@
     
-%7D%0A%0A
     
-@Override%0A    public 
 Dead
@@ -1645,63 +1645,21 @@
 der 
-get()%0A    %7B%0A        DeadboltExecutionContextProvider ec
+ecp = default
 Prov
@@ -1755,24 +1755,12 @@
   ec
-Provider = Play.
+p = 
 appl
@@ -1766,18 +1766,16 @@
 lication
-()
 .injecto
@@ -2047,55 +2047,44 @@
     
+%7D%0A
     
-ecProvider = defaultProvider;%0A            %7D
+        this.ecProvider = ecp;
 %0A   
@@ -2157,32 +2157,109 @@
 ider;%0A        %7D%0A
+    %7D%0A%0A    @Override%0A    public DeadboltExecutionContextProvider get()%0A    %7B%0A
         return e

use injected application