OrphanDefinitionParser.java

/*
 * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 * The software in this package is published under the terms of the CPAL v1.0
 * license, a copy of which has been included with this distribution in the
 * LICENSE.txt file.
 */
package org.mule.runtime.config.spring.parsers.generic;

import org.mule.runtime.config.spring.parsers.AbstractMuleBeanDefinitionParser;

import org.w3c.dom.Element;

/**
 * <p>
 * Contructs a single, standalone bean from an element - it is not injected into any other object. This parser can be configured
 * to automatically set the class of the object, the init and destroy methods and whether this object is a singleton.
 * </p>
 * <p>
 * Typically, you should use {@link MuleOrphanDefinitionParser} instead of this class, since these elements occur in the <mule>
 * top level element.
 * </p>
 */
public class OrphanDefinitionParser extends AbstractMuleBeanDefinitionParser {

  private Class<?> beanClass = null;
  private boolean dynamicClass = false;

  /**
   * This constructor assumes that the class name will be explicitly specified as an attribute on the element.
   */
  public OrphanDefinitionParser(boolean singleton) {
    this.singleton = singleton;
    dynamicClass = true;
  }

  public OrphanDefinitionParser(Class<?> beanClass, boolean singleton) {
    this.beanClass = beanClass;
    this.singleton = singleton;
  }

  @Override
  protected void preProcess(Element element) {
    super.preProcess(element);
    // top level beans need an ID element
    AutoIdUtils.ensureUniqueId(element, "bean");
    if (dynamicClass) {
      beanClass = null;
    }
  }

  @Override
  protected Class<?> getBeanClass(Element element) {
    return beanClass;
  }
}