| /*** |
| * ASM: a very small and fast Java bytecode manipulation framework |
| * Copyright (c) 2000-2011 INRIA, France Telecom |
| * 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. Neither the name of the copyright holders nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS 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 COPYRIGHT OWNER OR 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. |
| */ |
| package org.eclipse.persistence.internal.libraries.asm.util; |
| |
| import org.eclipse.persistence.internal.libraries.asm.ModuleVisitor; |
| import org.eclipse.persistence.internal.libraries.asm.Opcodes; |
| |
| /** |
| * @author Remi Forax |
| */ |
| public final class CheckModuleAdapter extends ModuleVisitor { |
| private boolean end; |
| |
| public CheckModuleAdapter(final ModuleVisitor mv) { |
| super(Opcodes.ASM6, mv); |
| } |
| |
| @Override |
| public void visitRequire(String module, int access) { |
| checkEnd(); |
| if (module == null) { |
| throw new IllegalArgumentException("require cannot be null"); |
| } |
| super.visitRequire(module, access); |
| } |
| |
| @Override |
| public void visitExport(String packaze, String... modules) { |
| checkEnd(); |
| if (packaze == null) { |
| throw new IllegalArgumentException("require cannot be null"); |
| } |
| if (modules != null) { |
| for(int i = 0; i < modules.length; i++) { |
| if (modules[i] == null) { |
| throw new IllegalArgumentException("to at index " + i + " cannot be null"); |
| } |
| } |
| } |
| super.visitExport(packaze, modules); |
| } |
| |
| @Override |
| public void visitUse(String service) { |
| checkEnd(); |
| CheckMethodAdapter.checkInternalName(service, "service"); |
| super.visitUse(service); |
| } |
| |
| @Override |
| public void visitProvide(String service, String impl) { |
| checkEnd(); |
| CheckMethodAdapter.checkInternalName(service, "service"); |
| CheckMethodAdapter.checkInternalName(impl, "impl"); |
| super.visitProvide(service, impl); |
| } |
| |
| @Override |
| public void visitEnd() { |
| checkEnd(); |
| end = true; |
| super.visitEnd(); |
| } |
| |
| private void checkEnd() { |
| if (end) { |
| throw new IllegalStateException( |
| "Cannot call a visit method after visitEnd has been called"); |
| } |
| } |
| } |