moduleclasscontainer.java

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package pipe.gui;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;


/**
 * ModuleClass encapsulates information about the Module class and is designed to be used as a userobject in nodes in a JTree, in this case for nodes representing module classes. This isn't designed for use anywhere else.
 * @author Camilla Clifford
 */
public class ModuleClassContainer
{
  private String displayName;
  private Method methods[];
  private Class thisClass;

  /** Sets up the private fields, includes instantiating an object and calling the getName method used to set the displayName.
   * @param cl The class that the ModuleClass encapsulates.
   */
  public ModuleClassContainer(Class cl)
  {
    thisClass = cl;
    try
    {
      Constructor ct = thisClass.getDeclaredConstructor(null);
      Object moduleObj = ct.newInstance(null);

      // invoke the name method for display
      Method meth = thisClass.getMethod("getName", null);
      displayName = (String)meth.invoke(moduleObj, null);
    }
    catch (Throwable e)
    {
      System.out.println("Error in ModuleClass instantiation: " + e.toString());
    }

  }

  /** Overides the object method in order to provide the correct display name */
  public String toString()
  {
    return displayName;
  }

  /** Returns the class object that the ModuleClass encapsulates */
  public Class returnClass()
  {
    return thisClass;
  }

}