/**
 * Redistribution and use of this software and associated documentation ("Software"), with or
 * without modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain copyright statements and notices. Redistributions
 * must also contain a copy of this document.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of
 * conditions and the following disclaimer in the documentation and/or other materials provided with
 * the distribution.
 *
 * 3. The name "Exolab" must not be used to endorse or promote products derived from this Software
 * without prior written permission of Intalio, Inc. For written permission, please contact
 * info@exolab.org.
 *
 * 4. Products derived from this Software may not be called "Exolab" nor may "Exolab" appear in
 * their names without prior written permission of Intalio, Inc. Exolab is a registered trademark of
 * Intalio, Inc.
 *
 * 5. Due credit should be given to the Exolab Project (http://www.exolab.org/).
 *
 * THIS SOFTWARE IS PROVIDED BY INTALIO, INC. AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESSED OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTALIO, INC. OR ITS
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
 * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Copyright 1999 (C) Intalio, Inc. All Rights Reserved.
 */
package org.exolab.javasource;

/**
 * Represents a parameter to a JMethod.
 *
 * @author <a href="mailto:keith AT kvisco DOT com">Keith Visco</a>
 * @version $Revision$ $Date: 2005-03-05 06:42:06 -0700 (Sat, 05 Mar 2005) $
 */
public final class JParameter extends JAnnotatedElementHelper {
  // --------------------------------------------------------------------------

  /** The type associated with this JParameter. */
  private JType _type;

  /** The name of this JParameter. */
  private String _name;

  // --------------------------------------------------------------------------

  /**
   * Creates a new JParameter with the given type, and name.
   *
   * @param type The JType to associate with this JParameter.
   * @param name Name of the JParameter.
   */
  public JParameter(final JType type, final String name) {
    super();

    setType(type);
    setName(name);
  }

  // --------------------------------------------------------------------------

  /**
   * Returns the name of the parameter.
   *
   * @return The name of the parameter.
   */
  public String getName() {
    return _name;
  }

  /**
   * Returns the parameter type.
   *
   * @return The parameter type.
   */
  public JType getType() {
    return _type;
  }

  /**
   * Sets the name of this parameter.
   *
   * @param name The new name of the parameter.
   */
  public void setName(final String name) {
    _name = name;
  }

  /**
   * Sets the type of this parameter.
   *
   * @param type The new JType of this parameter.
   */
  public void setType(final JType type) {
    if (type == null) {
      String err = "A Parameter cannot have a null type.";
      throw new IllegalArgumentException(err);
    }
    _type = type;
  }

  // --------------------------------------------------------------------------

  /**
   * {@inheritDoc} <br/>
   * Returns the String representation of this JParameter. The String returned will consist of the
   * String representation of the parameter type followed by the name of the parameter.
   */
  public String toString() {
    return new StringBuilder().append("final ").append(_type).append(' ').append(_name).toString();
  }

  // --------------------------------------------------------------------------
}
