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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
 * 
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License. You can obtain
 * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
 * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 * 
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
 * Sun designates this particular file as subject to the "Classpath" exception
 * as provided by Sun in the GPL Version 2 section of the License file that
 * accompanied this code.  If applicable, add the following below the License
 * Header, with the fields enclosed by brackets [] replaced by your own
 * identifying information: "Portions Copyrighted [year]
 * [name of copyright owner]"
 * 
 * Contributor(s):
 * 
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

package com.sun.org.apache.bcel.internal.verifier;

/* ====================================================================
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2001 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 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 end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Apache" and "Apache Software Foundation" and
 *    "Apache BCEL" must not be used to endorse or promote products
 *    derived from this software without prior written permission. For
 *    written permission, please contact [email protected].
 *
 * 5. Products derived from this software may not be called "Apache",
 *    "Apache BCEL", nor may "Apache" appear in their name, without
 *    prior written permission of the Apache Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED ``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 THE APACHE SOFTWARE FOUNDATION 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.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * .
 */

import com.sun.org.apache.bcel.internal.*;
import com.sun.org.apache.bcel.internal.classfile.*;
import com.sun.org.apache.bcel.internal.verifier.statics.*;
import com.sun.org.apache.bcel.internal.verifier.structurals.*;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;

/**
 * A Verifier instance is there to verify a class file according to The Java Virtual
 * Machine Specification, 2nd Edition.
 *
 * Pass-3b-verification includes pass-3a-verification;
 * pass-3a-verification includes pass-2-verification;
 * pass-2-verification includes pass-1-verification.
 *
 * A Verifier creates PassVerifier instances to perform the actual verification.
 * Verifier instances are usually generated by the VerifierFactory.
 *
 * @version $Id: Verifier.java,v 1.3 2007-07-19 04:34:56 ofung Exp $
 * @author Enver Haase
 * @see com.sun.org.apache.bcel.internal.verifier.VerifierFactory
 * @see com.sun.org.apache.bcel.internal.verifier.PassVerifier
 */
public class Verifier{
	/**
	 * The name of the class this verifier operates on.
	 */
	private final String classname;

	/** A Pass1Verifier for this Verifier instance. */
	private Pass1Verifier p1v;
	/** A Pass2Verifier for this Verifier instance. */
	private Pass2Verifier p2v;
	/** The Pass3aVerifiers for this Verifier instance. Key: Interned string specifying the method number. */
	private HashMap p3avs = new HashMap();
	/** The Pass3bVerifiers for this Verifier instance. Key: Interned string specifying the method number. */
	private HashMap p3bvs = new HashMap();

	/** Returns the VerificationResult for the given pass. */
	public VerificationResult doPass1(){
		if (p1v == null){
			p1v = new Pass1Verifier(this);
		}
		return p1v.verify();
	}

	/** Returns the VerificationResult for the given pass. */
	public VerificationResult doPass2(){
		if (p2v == null){
			p2v = new Pass2Verifier(this);
		}
		return p2v.verify();
	}

	/** Returns the VerificationResult for the given pass. */
	public VerificationResult doPass3a(int method_no){
		String key = Integer.toString(method_no);
		Pass3aVerifier p3av;
		p3av = (Pass3aVerifier) (p3avs.get(key));
		if (p3avs.get(key) == null){
			p3av = new Pass3aVerifier(this, method_no);
			p3avs.put(key, p3av);
		}
		return p3av.verify();
	}

	/** Returns the VerificationResult for the given pass. */
	public VerificationResult doPass3b(int method_no){
		String key = Integer.toString(method_no);
		Pass3bVerifier p3bv;
		p3bv = (Pass3bVerifier) (p3bvs.get(key));
		if (p3bvs.get(key) == null){
			p3bv = new Pass3bVerifier(this, method_no);
			p3bvs.put(key, p3bv);
		}
		return p3bv.verify();
	}


	/**
	 * Instantiation is done by the VerifierFactory.
	 *
	 * @see VerifierFactory
	 */
	Verifier(String fully_qualified_classname){
		classname = fully_qualified_classname;
		flush();
	}

	/**
	 * Returns the name of the class this verifier operates on.
	 * This is particularly interesting when this verifier was created
	 * recursively by another Verifier and you got a reference to this
	 * Verifier by the getVerifiers() method of the VerifierFactory.
	 * @see VerifierFactory
	 */
	public final String getClassName(){
		return classname;
	}

	/**
	 * Forget everything known about the class file; that means, really
	 * start a new verification of a possibly different class file from
	 * BCEL's repository.
	 *
	 */
	public void flush(){
		p1v = null;
		p2v = null;
		p3avs.clear();
		p3bvs.clear();
	}

	/**
	 * This returns all the (warning) messages collected during verification.
	 * A prefix shows from which verifying pass a message originates.
	 */
	public String[] getMessages(){
		ArrayList messages = new ArrayList();

		if (p1v != null){
			String[] p1m = p1v.getMessages();
			for (int i=0; i\n\n");
	  for(int k=0; k < args.length; k++) {

			if (args[k].endsWith(".class")){
				int dotclasspos = args[k].lastIndexOf(".class");
				if (dotclasspos != -1) args[k] = args[k].substring(0,dotclasspos);
			}

			args[k] = args[k].replace('/', '.');

			System.out.println("Now verifying: "+args[k]+"\n");

			Verifier v = VerifierFactory.getVerifier(args[k]);
			VerificationResult vr;

			vr = v.doPass1();
			System.out.println("Pass 1:\n"+vr);

			vr = v.doPass2();
			System.out.println("Pass 2:\n"+vr);

			if (vr == VerificationResult.VR_OK){
				JavaClass jc = com.sun.org.apache.bcel.internal.Repository
				    .lookupClass(args[k]);
				for (int i=0; i");
			for (int j=0; j




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