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diff --git a/libjava/java/lang/reflect/Constructor.java b/libjava/java/lang/reflect/Constructor.java
new file mode 100644
index 000000000..adebc600a
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+++ b/libjava/java/lang/reflect/Constructor.java
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+/* java.lang.reflect.Constructor - reflection of Java constructors
+   Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, 2007
+   Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath 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, or (at your option)
+any later version.
+ 
+GNU Classpath 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.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.lang.reflect;
+
+import gnu.java.lang.reflect.MethodSignatureParser;
+import java.lang.annotation.Annotation;
+
+/**
+ * The Constructor class represents a constructor of a class. It also allows
+ * dynamic creation of an object, via reflection. Invocation on Constructor
+ * objects knows how to do widening conversions, but throws
+ * {@link IllegalArgumentException} if a narrowing conversion would be
+ * necessary. You can query for information on this Constructor regardless
+ * of location, but construction access may be limited by Java language
+ * access controls. If you can't do it in the compiler, you can't normally
+ * do it here either.<p>
+ *
+ * <B>Note:</B> This class returns and accepts types as Classes, even
+ * primitive types; there are Class types defined that represent each
+ * different primitive type.  They are <code>java.lang.Boolean.TYPE,
+ * java.lang.Byte.TYPE,</code>, also available as <code>boolean.class,
+ * byte.class</code>, etc.  These are not to be confused with the
+ * classes <code>java.lang.Boolean, java.lang.Byte</code>, etc., which are
+ * real classes.<p>
+ *
+ * Also note that this is not a serializable class.  It is entirely feasible
+ * to make it serializable using the Externalizable interface, but this is
+ * on Sun, not me.
+ *
+ * @author John Keiser
+ * @author Eric Blake <ebb9@email.byu.edu>
+ * @author Tom Tromey <tromey@redhat.com>
+ * @see Member
+ * @see Class
+ * @see java.lang.Class#getConstructor(Class[])
+ * @see java.lang.Class#getDeclaredConstructor(Class[])
+ * @see java.lang.Class#getConstructors()
+ * @see java.lang.Class#getDeclaredConstructors()
+ * @since 1.1
+ * @status updated to 1.4
+ */
+public final class Constructor<T> extends AccessibleObject
+  implements Member, GenericDeclaration
+{
+  private static final int CONSTRUCTOR_MODIFIERS
+    = Modifier.PRIVATE | Modifier.PROTECTED | Modifier.PUBLIC;
+
+  /**
+   * This class is uninstantiable except from native code.
+   */
+  private Constructor ()
+  {
+  }
+
+  /**
+   * Gets the class that declared this constructor.
+   * @return the class that declared this member
+   */
+  public Class<T> getDeclaringClass ()
+  {
+    return declaringClass;
+  }
+
+  /**
+   * Gets the name of this constructor (the non-qualified name of the class
+   * it was declared in).
+   * @return the name of this constructor
+   */
+  public String getName()
+  {
+    return declaringClass.getName();
+  }
+
+  /**
+   * Return the raw modifiers for this constructor.  In particular
+   * this will include the synthetic and varargs bits.
+   * @return the constructor's modifiers
+   */
+  private native int getModifiersInternal();
+
+  /**
+   * Gets the modifiers this constructor uses.  Use the <code>Modifier</code>
+   * class to interpret the values. A constructor can only have a subset of the
+   * following modifiers: public, private, protected.
+   *
+   * @return an integer representing the modifiers to this Member
+   * @see Modifier
+   */
+  public int getModifiers ()
+  {
+    return getModifiersInternal() & CONSTRUCTOR_MODIFIERS;
+  }
+
+  /**
+   * Return true if this constructor is synthetic, false otherwise.
+   * A synthetic member is one which is created by the compiler,
+   * and which does not appear in the user's source code.
+   * @since 1.5
+   */
+  public boolean isSynthetic()
+  {
+    return (getModifiersInternal() & Modifier.SYNTHETIC) != 0;
+  }
+
+  /**
+   * Return true if this is a varargs constructor, that is if
+   * the constructor takes a variable number of arguments.
+   * @since 1.5
+   */
+  public boolean isVarArgs()
+  {
+    return (getModifiersInternal() & Modifier.VARARGS) != 0;
+  }
+
+  /**
+   * Get the parameter list for this constructor, in declaration order. If the
+   * constructor takes no parameters, returns a 0-length array (not null).
+   *
+   * @return a list of the types of the constructor's parameters
+   */
+  public Class<?>[] getParameterTypes ()
+  {
+    if (parameter_types == null)
+      getType ();
+    return (Class<?>[]) parameter_types.clone();
+  }
+
+  /**
+   * Get the exception types this constructor says it throws, in no particular
+   * order. If the constructor has no throws clause, returns a 0-length array
+   * (not null).
+   *
+   * @return a list of the types in the constructor's throws clause
+   */
+  public Class<?>[] getExceptionTypes ()
+  {
+    if (exception_types == null)
+      getType();
+    return (Class<?>[]) exception_types.clone();
+  }
+
+  /**
+   * Compare two objects to see if they are semantically equivalent.
+   * Two Constructors are semantically equivalent if they have the same
+   * declaring class and the same parameter list.
+   *
+   * @param o the object to compare to
+   * @return <code>true</code> if they are equal; <code>false</code> if not.
+   */
+  public boolean equals (Object obj)
+  {
+    if (! (obj instanceof Constructor))
+      return false;
+    Constructor c = (Constructor) obj;
+    return declaringClass == c.declaringClass && offset == c.offset;
+  }
+
+  /**
+   * Get the hash code for the Constructor. The Constructor hash code is the
+   * hash code of the declaring class's name.
+   *
+   * @return the hash code for the object
+   */
+  public int hashCode ()
+  {
+    return declaringClass.getName().hashCode();
+  }
+
+  /**
+   * Get a String representation of the Constructor. A Constructor's String
+   * representation is "&lt;modifier&gt; &lt;classname&gt;(&lt;paramtypes&gt;)
+   * throws &lt;exceptions&gt;", where everything after ')' is omitted if
+   * there are no exceptions.<br> Example:
+   * <code>public java.io.FileInputStream(java.lang.Runnable)
+   * throws java.io.FileNotFoundException</code>
+   *
+   * @return the String representation of the Constructor
+   */
+  public String toString()
+  {
+    if (parameter_types == null)
+      getType ();
+    StringBuffer b = new StringBuffer ();
+    int mods = getModifiers();
+    if (mods != 0)
+      {
+	Modifier.toString(mods, b);
+	b.append(" ");
+      }
+    Method.appendClassName (b, declaringClass);
+    b.append("(");
+    for (int i = 0; i < parameter_types.length; ++i)
+      {
+	Method.appendClassName (b, parameter_types[i]);
+	if (i < parameter_types.length - 1)
+	  b.append(",");
+      }
+    b.append(")");
+    return b.toString();
+  }
+
+  static <X extends GenericDeclaration>
+  void addTypeParameters(StringBuilder sb, TypeVariable<X>[] typeArgs)
+  {
+    if (typeArgs.length == 0)
+      return;
+    sb.append('<');
+    for (int i = 0; i < typeArgs.length; ++i)
+      {
+        if (i > 0)
+          sb.append(',');
+        sb.append(typeArgs[i]);
+      }
+    sb.append("> ");
+  }
+
+  public String toGenericString()
+  {
+    StringBuilder sb = new StringBuilder(128);
+    Modifier.toString(getModifiers(), sb).append(' ');
+    addTypeParameters(sb, getTypeParameters());
+    sb.append(getDeclaringClass().getName()).append('(');
+    Type[] types = getGenericParameterTypes();
+    if (types.length > 0)
+      {
+        sb.append(types[0]);
+        for (int i = 1; i < types.length; ++i)
+          sb.append(',').append(types[i]);
+      }
+    sb.append(')');
+    types = getGenericExceptionTypes();
+    if (types.length > 0)
+      {
+        sb.append(" throws ").append(types[0]);
+        for (int i = 1; i < types.length; i++)
+          sb.append(',').append(types[i]);
+      }
+    return sb.toString();
+  }
+
+  /**
+   * Create a new instance by invoking the constructor. Arguments are
+   * automatically unwrapped and widened, if needed.<p>
+   *
+   * If this class is abstract, you will get an
+   * <code>InstantiationException</code>. If the constructor takes 0
+   * arguments, you may use null or a 0-length array for <code>args</code>.<p>
+   *
+   * If this Constructor enforces access control, your runtime context is
+   * evaluated, and you may have an <code>IllegalAccessException</code> if
+   * you could not create this object in similar compiled code. If the class
+   * is uninitialized, you trigger class initialization, which may end in a
+   * <code>ExceptionInInitializerError</code>.<p>
+   *
+   * Then, the constructor is invoked. If it completes normally, the return
+   * value will be the new object. If it completes abruptly, the exception is
+   * wrapped in an <code>InvocationTargetException</code>.
+   *
+   * @param args the arguments to the constructor
+   * @return the newly created object
+   * @throws IllegalAccessException if the constructor could not normally be
+   *         called by the Java code (i.e. it is not public)
+   * @throws IllegalArgumentException if the number of arguments is incorrect;
+   *         or if the arguments types are wrong even with a widening
+   *         conversion
+   * @throws InstantiationException if the class is abstract
+   * @throws InvocationTargetException if the constructor throws an exception
+   * @throws ExceptionInInitializerError if construction triggered class
+   *         initialization, which then failed
+   */
+  public native T newInstance (Object... args)
+    throws InstantiationException, IllegalAccessException,
+    IllegalArgumentException, InvocationTargetException;
+
+  /**
+   * Returns an array of <code>TypeVariable</code> objects that represents
+   * the type variables declared by this constructor, in declaration order.
+   * An array of size zero is returned if this constructor has no type
+   * variables.
+   *
+   * @return the type variables associated with this constructor.
+   * @throws GenericSignatureFormatError if the generic signature does
+   *         not conform to the format specified in the Virtual Machine
+   *         specification, version 3.
+   * @since 1.5
+   */
+  public TypeVariable<Constructor<T>>[] getTypeParameters()
+  {
+    String sig = getSignature();
+    if (sig == null)
+      return new TypeVariable[0];
+    MethodSignatureParser p = new MethodSignatureParser(this, sig);
+    return p.getTypeParameters();
+  }
+
+  /**
+   * Return the String in the Signature attribute for this constructor. If there
+   * is no Signature attribute, return null.
+   */
+  private native String getSignature();
+
+  /**
+   * Returns an array of <code>Type</code> objects that represents
+   * the exception types declared by this constructor, in declaration order.
+   * An array of size zero is returned if this constructor declares no
+   * exceptions.
+   *
+   * @return the exception types declared by this constructor. 
+   * @throws GenericSignatureFormatError if the generic signature does
+   *         not conform to the format specified in the Virtual Machine
+   *         specification, version 3.
+   * @since 1.5
+   */
+  public Type[] getGenericExceptionTypes()
+  {
+    String sig = getSignature();
+    if (sig == null)
+      return getExceptionTypes();
+    MethodSignatureParser p = new MethodSignatureParser(this, sig);
+    return p.getGenericExceptionTypes();
+  }
+
+  /**
+   * Returns an array of <code>Type</code> objects that represents
+   * the parameter list for this constructor, in declaration order.
+   * An array of size zero is returned if this constructor takes no
+   * parameters.
+   *
+   * @return a list of the types of the constructor's parameters
+   * @throws GenericSignatureFormatError if the generic signature does
+   *         not conform to the format specified in the Virtual Machine
+   *         specification, version 3.
+   * @since 1.5
+   */
+  public Type[] getGenericParameterTypes()
+  {
+    String sig = getSignature();
+    if (sig == null)
+      return getParameterTypes();
+    MethodSignatureParser p = new MethodSignatureParser(this, sig);
+    return p.getGenericParameterTypes();
+  }
+
+  public <T extends Annotation> T getAnnotation(Class<T> annoClass)
+  {
+    Annotation[] annos = getDeclaredAnnotations();
+    for (int i = 0; i < annos.length; ++i)
+      if (annos[i].annotationType() == annoClass)
+	return (T) annos[i];
+    return null;
+  }
+
+  public Annotation[] getDeclaredAnnotations()
+  {
+    Annotation[] result = getDeclaredAnnotationsInternal();
+    if (result == null)
+      result = new Annotation[0];
+    return result;
+  }
+
+  public Annotation[][] getParameterAnnotations()
+  {
+    // FIXME: should check that we have the right number
+    // of parameters ...?
+    Annotation[][] result = getParameterAnnotationsInternal();
+    if (result == null)
+      result = new Annotation[0][0];
+    return result;
+  }
+
+  private native Annotation[] getDeclaredAnnotationsInternal();
+  private native Annotation[][] getParameterAnnotationsInternal();
+
+  // Update cached values from method descriptor in class.
+  private native void getType ();
+
+  // Declaring class.
+  private Class<T> 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;
+}