org.glassfish.security.services.common.SecurityScopeContext Maven / Gradle / Ivy

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 * Copyright (c) 2012 Oracle and/or its affiliates. All rights reserved.
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 * 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
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package org.glassfish.security.services.common;

import java.lang.annotation.Annotation;
import java.util.HashMap;

import javax.inject.Inject;
import javax.inject.Singleton;

import org.glassfish.hk2.api.ActiveDescriptor;
import org.glassfish.hk2.api.Context;
import org.glassfish.hk2.api.ServiceHandle;
import org.jvnet.hk2.annotations.Service;

/**
 * The security context used to enable the scoping of security service instances.
 */
@Service
@Singleton
public class SecurityScopeContext implements Context {
    private final HashMap, Object>> contexts =
        new HashMap, Object>>();
    
    @Inject
    private StateManager manager;

    @Override
    public Class getScope() {
        return SecurityScope.class;
    }

    @SuppressWarnings("unchecked")
	@Override
    public  T findOrCreate(ActiveDescriptor activeDescriptor, ServiceHandle root) {
        HashMap, Object> mappings = getCurrentContext();
        
        Object retVal = mappings.get(activeDescriptor);
        if (retVal == null) {
            retVal = activeDescriptor.create(root);
            
            mappings.put(activeDescriptor, retVal);
        }
        return (T) retVal;
    }

    @SuppressWarnings("unchecked")
	@Override
    public boolean containsKey(ActiveDescriptor descriptor) {
        HashMap, Object> mappings = getCurrentContext();
        
        return mappings.containsKey(descriptor);
    }

    @Override
    public boolean isActive() {
        return manager.getCurrent() != null;
    }
    
    private HashMap, Object> getCurrentContext() {
        if (manager.getCurrent() == null) throw new IllegalStateException("Not In Active State");
        
        HashMap, Object> retVal = contexts.get(manager.getCurrent());
        if (retVal == null) {
            retVal = new HashMap, Object>();
            
            contexts.put(manager.getCurrent(), retVal);
        }
        
        return retVal;
    }

    /* (non-Javadoc)
     * @see org.glassfish.hk2.api.Context#supportsNullCreation()
     */
    @Override
    public boolean supportsNullCreation() {
        return false;
    }

    /* (non-Javadoc)
     * @see org.glassfish.hk2.api.Context#shutdown()
     */
    @Override
    public void shutdown() {
        // Do nothing
        
    }

    @Override
    public void destroyOne(ActiveDescriptor descriptor) {
        // TODO Auto-generated method stub
        
    }
}