gcc/libjava/java/lang/reflect/Constructor.java

106 lines
2.6 KiB
Java

// Constructor.java - Represents a constructor for a class.
/* Copyright (C) 1998, 1999 Cygnus Solutions
This file is part of libgcj.
This software is copyrighted work licensed under the terms of the
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
details. */
package java.lang.reflect;
/**
* @author Tom Tromey <tromey@cygnus.com>
* @date December 12, 1998
*/
/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3
* "The Java Language Specification", ISBN 0-201-63451-1
* plus online API docs for JDK 1.2 beta from http://www.javasoft.com.
* Status: Incomplete: needs a private constructor, and
* newInstance() needs to be written.
*/
public final class Constructor extends AccessibleObject implements Member
{
public boolean equals (Object obj)
{
if (! (obj instanceof Constructor))
return false;
Constructor c = (Constructor) obj;
return declaringClass == c.declaringClass && offset == c.offset;
}
public Class getDeclaringClass ()
{
return declaringClass;
}
public Class[] getExceptionTypes ()
{
return (Class[]) exception_types.clone();
}
public native int getModifiers ();
public String getName ()
{
return declaringClass.getName();
}
public Class[] getParameterTypes ()
{
if (parameter_types == null)
getType ();
return (Class[]) parameter_types.clone();
}
public int hashCode ()
{
// FIXME.
return getName().hashCode() + declaringClass.getName().hashCode();
}
// Update cached values from method descriptor in class.
private native void getType ();
public native Object newInstance (Object[] args)
throws InstantiationException, IllegalAccessException,
IllegalArgumentException, InvocationTargetException;
public String toString ()
{
if (parameter_types == null)
getType ();
StringBuffer b = new StringBuffer ();
b.append(Modifier.toString(getModifiers()));
b.append(" ");
b.append(getName());
b.append("(");
for (int i = 0; i < parameter_types.length; ++i)
{
b.append(parameter_types[i].toString());
if (i < parameter_types.length - 1)
b.append(",");
}
b.append(")");
return b.toString();
}
// Can't create these.
private Constructor ()
{
}
// Declaring class.
private Class declaringClass;
// Exception types.
private Class[] exception_types;
// Parameter types.
private Class[] parameter_types;
// Offset in bytes from the start of declaringClass's methods array.
private int offset;
}