jconstructorwrapper.java

来自「RESIN 3.2 最新源码」· Java 代码 · 共 172 行

/*
 * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
 *
 * This file is part of Resin(R) Open Source
 *
 * Each copy or derived work must preserve the copyright notice and this
 * notice unmodified.
 *
 * Resin Open Source is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Resin Open Source is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
 * of NON-INFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Resin Open Source; if not, write to the
 *
 *   Free Software Foundation, Inc.
 *   59 Temple Place, Suite 330
 *   Boston, MA 02111-1307  USA
 *
 * @author Scott Ferguson
 */

package com.caucho.bytecode;

import java.lang.reflect.Constructor;
import java.lang.reflect.Modifier;

/**
 * Wrapper around the Java Constructor for a JMethod.
 */
public class JConstructorWrapper extends JMethod {
  private JClassLoader _loader;

  private Constructor _method;

  public JConstructorWrapper(Constructor method, JClassLoader loader)
  {
    if (loader == null)
      throw new NullPointerException();

    _method = method;
    _loader = loader;
  }

  /**
   * Returns the method name.
   */
  public String getName()
  {
    return _method.getName();
  }

  /**
   * Returns true for a static method.
   */
  public boolean isStatic()
  {
    return Modifier.isStatic(_method.getModifiers());
  }

  /**
   * Returns true for a private method
   */
  public boolean isPrivate()
  {
    return Modifier.isPrivate(_method.getModifiers());
  }

  /**
   * Returns true for a public method.
   */
  public boolean isPublic()
  {
    return Modifier.isPublic(_method.getModifiers());
  }

  /**
   * Returns true for a protected method.
   */
  public boolean isProtected()
  {
    return Modifier.isProtected(_method.getModifiers());
  }

  /**
   * Returns true for a final method.
   */
  public boolean isFinal()
  {
    return Modifier.isFinal(_method.getModifiers());
  }

  /**
   * Returns true for an abstract method.
   */
  public boolean isAbstract()
  {
    return Modifier.isAbstract(_method.getModifiers());
  }

  /**
   * Returns the declaring type.
   */
  public JClass getDeclaringClass()
  {
    return _loader.forName(_method.getDeclaringClass().getName());
  }

  /**
   * Returns the return type.
   */
  public JClass getReturnType()
  {
    throw new UnsupportedOperationException();
  }

  /**
   * Returns the return type.
   */
  public JType getGenericReturnType()
  {
    throw new UnsupportedOperationException();
  }

  /**
   * Returns the parameter types.
   */
  public JClass []getParameterTypes()
  {
    Class []types = _method.getParameterTypes();

    JClass []jTypes = new JClass[types.length];

    for (int i = 0; i < types.length; i++) {
      jTypes[i] = _loader.forName(types[i].getName());
    }

    return jTypes;
  }

  /**
   * Returns the exception types.
   */
  public JClass []getExceptionTypes()
  {
    Class []types = _method.getExceptionTypes();

    JClass []jTypes = new JClass[types.length];

    for (int i = 0; i < types.length; i++) {
      jTypes[i] = _loader.forName(types[i].getName());
    }

    return jTypes;
  }

  /**
   * Returns the annotations.
   */
  public JAnnotation []getDeclaredAnnotations()
  {
    return new JAnnotation[0];
  }
}