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The AspectJ weaver applies aspects to Java classes. It can be used as a Java agent in order to apply load-time weaving (LTW) during class-loading and also contains the AspectJ runtime classes.

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/* *******************************************************************
 * Copyright (c) 1999-2001 Xerox Corporation,
 *               2002 Palo Alto Research Center, Incorporated (PARC).
 * All rights reserved.
 * This program and the accompanying materials are made available
 * under the terms of the Eclipse Public License v 2.0
 * which accompanies this distribution and is available at
 * https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.txt
 *
 * Contributors:
 *     Xerox/PARC     initial implementation
 * ******************************************************************/


package org.aspectj.runtime.reflect;

import java.lang.reflect.Constructor;

import org.aspectj.lang.reflect.ConstructorSignature;

class ConstructorSignatureImpl extends CodeSignatureImpl implements ConstructorSignature {
    private Constructor constructor;

    ConstructorSignatureImpl(int modifiers, Class declaringType,
        Class[] parameterTypes, String[] parameterNames, Class[] exceptionTypes)
    {
        super(modifiers, "", declaringType, parameterTypes, parameterNames, exceptionTypes);
    }

    ConstructorSignatureImpl(String stringRep) {
        super(stringRep);
    }

    public String getName() { return ""; }

    protected String createToString(StringMaker sm) {
        StringBuffer buf = new StringBuffer();
        buf.append(sm.makeModifiersString(getModifiers()));
        buf.append(sm.makePrimaryTypeName(getDeclaringType(),getDeclaringTypeName()));
        sm.addSignature(buf, getParameterTypes());
        sm.addThrows(buf, getExceptionTypes());
        return buf.toString();
    }

    /* (non-Javadoc)
	 * @see org.aspectj.runtime.reflect.MemberSignatureImpl#createAccessibleObject()
	 */
	public Constructor getConstructor() {
		if (constructor == null) {
			try {
				constructor = getDeclaringType().getDeclaredConstructor(getParameterTypes());
			} catch (Exception ex) {
				; // nothing we can do, caller will see null
			}
		}
		return constructor;
	}
}