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XWork is an command-pattern framework that is used to power WebWork as well as other applications. XWork provides an Inversion of Control container, a powerful expression language, data type conversion, validation, and pluggable configuration.

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/**
 * Copyright (C) 2006 Google 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.opensymphony.xwork2.inject;

import java.lang.reflect.Member;
import java.util.LinkedHashMap;

/**
 * An immutable snapshot of the current context which is safe to
 * expose to client code.
 *
 * @author [email protected] (Bob Lee)
 */
class ExternalContext implements Context {

  final Member member;
  final Key key;
  final ContainerImpl container;

  public ExternalContext(Member member, Key key, ContainerImpl container) {
    this.member = member;
    this.key = key;
    this.container = container;
  }

  public Class getType() {
    return key.getType();
  }

  public Scope.Strategy getScopeStrategy() {
    return (Scope.Strategy) container.localScopeStrategy.get();
  }

  public Container getContainer() {
    return container;
  }

  public Member getMember() {
    return member;
  }

  public String getName() {
    return key.getName();
  }

  @Override
  public String toString() {
    return "Context" + new LinkedHashMap() {{
      put("member", member);
      put("type", getType());
      put("name", getName());
      put("container", container);
    }}.toString();
  }

  static  ExternalContext newInstance(Member member, Key key,
      ContainerImpl container) {
    return new ExternalContext(member, key, container);
  }
}