| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| package org.apache.bcel.verifier; |
| |
| /** |
| * The NativeVerifier class implements a main(String[] args) method that's |
| * roughly compatible to the one in the Verifier class, but that uses the |
| * JVM's internal verifier for its class file verification. |
| * This can be used for comparison runs between the JVM-internal verifier |
| * and JustIce. |
| * |
| */ |
| public abstract class NativeVerifier { |
| |
| /** |
| * This class must not be instantiated. |
| */ |
| private NativeVerifier() { |
| } |
| |
| |
| /** |
| * Works only on the first argument. |
| */ |
| public static void main( final String[] args ) { |
| if (args.length != 1) { |
| System.out.println("Verifier front-end: need exactly one argument."); |
| System.exit(1); |
| } |
| final int dotclasspos = args[0].lastIndexOf(".class"); |
| if (dotclasspos != -1) { |
| args[0] = args[0].substring(0, dotclasspos); |
| } |
| args[0] = args[0].replace('/', '.'); |
| //System.out.println(args[0]); |
| try { |
| Class.forName(args[0]); |
| } catch (final ExceptionInInitializerError eiie) { //subclass of LinkageError! |
| System.out.println("NativeVerifier: ExceptionInInitializerError encountered on '" |
| + args[0] + "'."); |
| System.out.println(eiie); |
| System.exit(1); |
| } catch (final LinkageError le) { |
| System.out.println("NativeVerifier: LinkageError encountered on '" + args[0] + "'."); |
| System.out.println(le); |
| System.exit(1); |
| } catch (final ClassNotFoundException cnfe) { |
| System.out.println("NativeVerifier: FILE NOT FOUND: '" + args[0] + "'."); |
| System.exit(1); |
| } catch (final Throwable t) { // OK to catch Throwable here as we call exit. |
| System.out.println("NativeVerifier: Unspecified verification error on '" + args[0] + "'."); |
| System.exit(1); |
| } |
| System.out.println("NativeVerifier: Class file '" + args[0] + "' seems to be okay."); |
| System.exit(0); |
| } |
| } |