/*
 * Copyright 2002-2008 the original author or authors.
 *
 * 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 test.common.scope;

import org.springframework.beans.factory.ObjectFactory;
import org.springframework.beans.factory.config.Scope;

import java.util.HashMap;
import java.util.Map;


/**
 * Simple scope implementation which creates object based on a flag.
 *
 * @author  Costin Leau
 * @author  Chris Beams
 */
public class CustomScope implements Scope {

    public boolean createNewScope = true;

    private Map<String, Object> beans = new HashMap<String, Object>();

    /*
     * (non-Javadoc)
     * @see org.springframework.beans.factory.config.Scope#get(java.lang.String,
     * org.springframework.beans.factory.ObjectFactory)
     */
    public Object get(String name, ObjectFactory objectFactory) {
        if (createNewScope) {
            beans.clear();
            // reset the flag back
            createNewScope = false;
        }

        Object bean = beans.get(name);
        // if a new object is requested or none exists under the current
        // name, create one
        if (bean == null) {
            beans.put(name, objectFactory.getObject());
        }

        return beans.get(name);
    }

    /*
     * (non-Javadoc)
     * @see org.springframework.beans.factory.config.Scope#getConversationId()
     */
    public String getConversationId() {
        return null;
    }

    /*
     * (non-Javadoc)
     * @see org.springframework.beans.factory.config.Scope#registerDestructionCallback(java.lang.String,
     * java.lang.Runnable)
     */
    public void registerDestructionCallback(String name, Runnable callback) {
        // do nothing
    }

    /*
     * (non-Javadoc)
     * @see org.springframework.beans.factory.config.Scope#remove(java.lang.String)
     */
    public Object remove(String name) {
        return beans.remove(name);
    }

}
