All Downloads are FREE. Search and download functionalities are using the official Maven repository.

com.gwtplatform.dispatch.server.spring.SpringBeanProvider Maven / Gradle / Ivy

There is a newer version: 1.6
Show newest version
/**
 * Copyright 2011 ArcBees Inc.
 *
 * 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 com.gwtplatform.dispatch.server.spring;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;

import org.springframework.context.ApplicationContext;

import com.gwtplatform.dispatch.server.actionhandlervalidator.ActionHandlerValidatorLinkerHelper.BeanProvider;
import com.gwtplatform.dispatch.server.actionhandlervalidator.ActionHandlerValidatorLinkerHelper.CommonBindingDescriptor;
import com.gwtplatform.dispatch.server.spring.utils.SpringUtils;

/**
 * @author Peter Simun
 */
public class SpringBeanProvider implements BeanProvider {

  /**
   * Adapter for tranforming Guice Binding into BeanProvider implementation.
   *
   * @author Peter Simun ([email protected])
   */
  public static class SpringBindingDescriptorAdapter extends CommonBindingDescriptor {

    public SpringBindingDescriptorAdapter(Entry binding) {
      super(binding.getValue(), binding.getKey());
    }
  }

  private ApplicationContext applicationContext;

  public SpringBeanProvider(ApplicationContext applicationContext) {
    this.applicationContext = applicationContext;
  }

  @Override
  public  B getInstance(Class clazz) {
    return SpringUtils.getInstance(applicationContext, clazz);
  }

  @Override
  public  Iterator> getBindings(Class clazz) {

    List> result = new ArrayList>();

    Map beansOfType = applicationContext.getBeansOfType(clazz);

    for (Entry beans : beansOfType.entrySet()) {
      result.add(new SpringBindingDescriptorAdapter(beans));
    }

    return result.iterator();
  }
}