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Glassfish example source code file (AnnotationScanner.java)
The Glassfish AnnotationScanner.java source code/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright (c) 2009-2010 Oracle and/or its affiliates. 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_1_1.html * or packager/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 packager/legal/LICENSE.txt. * * GPL Classpath Exception: * Oracle designates this particular file as subject to the "Classpath" * exception as provided by Oracle in the GPL Version 2 section of the License * file that accompanied this code. * * Modifications: * If applicable, add the following below the License Header, with the fields * enclosed by brackets [] replaced by your own identifying information: * "Portions Copyright [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 org.glassfish.deployment.common; import org.objectweb.asm.*; import java.io.InputStream; import java.io.File; import java.io.IOException; import java.util.Enumeration; import java.util.jar.JarEntry; import java.util.jar.JarFile; import java.util.logging.Logger; import java.util.logging.Level; import org.glassfish.api.deployment.archive.ReadableArchive; import com.sun.logging.LogDomains; public class AnnotationScanner implements ClassVisitor { protected String className; protected String signature; final static Logger logger = LogDomains.getLogger(DeploymentUtils.class, LogDomains.DPL_LOGGER); public void visit(int version, int access, String name, String signature, String superName, String[] interfaces) { this.className = name; this.signature = signature; } public void visitSource(String s, String s1) {} public void visitOuterClass(String s, String s1, String s2) { } public AnnotationVisitor visitAnnotation(String s, boolean b) { return null; } public void visitAttribute(Attribute attribute) { } public void visitInnerClass(String s, String s1, String s2, int i) { } public FieldVisitor visitField(int i, String s, String s1, String s2, Object o) { return null; } public MethodVisitor visitMethod(int i, String s, String s1, String s2, String[] strings) { return null; } public void visitEnd() { } public void scanArchive(ReadableArchive archive) { try { int crFlags = ClassReader.SKIP_CODE | ClassReader.SKIP_DEBUG | ClassReader.SKIP_FRAMES; Enumeration<String> entries = archive.entries(); while (entries.hasMoreElements()) { String entryName = entries.nextElement(); if (entryName.endsWith(".class")) { // scan class files InputStream is = archive.getEntry(entryName); try { ClassReader cr = new ClassReader(is); cr.accept(this, crFlags); } catch(Exception e) { logger.log(Level.WARNING, "Exception while scanning " + entryName, e); } finally { is.close(); } } else if (entryName.endsWith(".jar")) { // scan class files inside jar try { File archiveRoot = new File(archive.getURI()); File file = new File(archiveRoot, entryName); JarFile jarFile = new JarFile(file); try { Enumeration<JarEntry> jarEntries = jarFile.entries(); while (jarEntries.hasMoreElements()) { JarEntry entry = jarEntries.nextElement(); String jarEntryName = entry.getName(); if (jarEntryName.endsWith(".class")) { InputStream is = jarFile.getInputStream(entry); try { ClassReader cr = new ClassReader(is); cr.accept(this, crFlags); } catch(Exception e) { logger.log(Level.FINE, "Exception while scanning " + entryName, e); } finally { is.close(); } } } } finally { jarFile.close(); } } catch (IOException ioe) { logger.warning("Error scan jar entry" + entryName + ioe.getMessage()); } } } } catch (Exception e) { logger.log(Level.WARNING, "Failed to scan archive for annotations", e); } } } Other Glassfish examples (source code examples)Here is a short list of links related to this Glassfish AnnotationScanner.java source code file: |
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