/*
 * Copyright 2004-2006 Graeme Rocher
 *
 * 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 org.codehaus.groovy.grails.plugins;

/**
 * Manages a thread bound plugin manager instance
 * 
 * @author Graeme Rocher
 * @since 0.4
 *
 */
public abstract class PluginManagerHolder {

	private static final ThreadLocal pluginManagerHolder = new InheritableThreadLocal();
	
	/**
	 * Bind the given GrailsPluginManager instance to the current Thread
	 * @param pluginManager The GrailsPluginManager to expose
	 */
	public static void setPluginManager(GrailsPluginManager pluginManager) {
		pluginManagerHolder.set(pluginManager);
	}
	
	/**
	 * Retrieves the GrailsPluginManager bound to the current Thread 
	 * @return The GrailsPluginManager or null
	 */
	public static GrailsPluginManager getPluginManager() {
		return (GrailsPluginManager)pluginManagerHolder.get();
	}
	
	/**
	 * Retrieves the bound GrailsPluginManager that resides in the current Thread
	 * @return The GrailsPluginManager 
	 * @throws IllegalStateException When there is no bound GrailsPluginManager
	 */
	public static GrailsPluginManager currentPluginManager() {
		GrailsPluginManager current = getPluginManager();
		if(current == null)
			throw new IllegalStateException("No thread-bound PluginManager");
		return current;
	}
}

@@ -216,18 +216,17 @@
 se at%0A *
- 
 %0A
+
  *      
@@ -270,17 +270,16 @@
 E-2.0%0A *
- 
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@@ -595,17 +595,16 @@
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- 
 %0Apackage
@@ -697,17 +697,16 @@
 tance%0A *
- 
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@@ -809,79 +809,40 @@
 tic 
-final ThreadLocal pluginManagerHolder = new InheritableThreadLocal()
+GrailsPluginManager gpm = null
 ;%0A
-%09
 %0A%09/*
@@ -1057,32 +1057,14 @@
 %7B%0A%09%09
-pluginManagerHolder.set(
+gpm = 
 plug
@@ -1072,24 +1072,22 @@
 nManager
-)
 ;%0A%09%7D%0A
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+
 %09/**%0A%09 *
@@ -1148,17 +1148,16 @@
 t Thread
- 
 %0A%09 * @re
@@ -1267,61 +1267,17 @@
 urn 
-(GrailsPluginManager)pluginManagerHolder.get()
+gpm
 ;%0A%09%7D%0A
-%09
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+
 %09/**
@@ -1391,17 +1391,16 @@
 nManager
- 
 %0A%09 * @th
@@ -1651,21 +1651,8 @@
 %22No 
-thread-bound 
 Plug
@@ -1660,16 +1660,20 @@
 nManager
+ set
 %22);%0A%09%09re

fix for GRAILS-3128