| // |
| // ======================================================================== |
| // Copyright (c) 1995-2015 Mort Bay Consulting Pty. Ltd. |
| // ------------------------------------------------------------------------ |
| // All rights reserved. This program and the accompanying materials |
| // are made available under the terms of the Eclipse Public License v1.0 |
| // and Apache License v2.0 which accompanies this distribution. |
| // |
| // The Eclipse Public License is available at |
| // http://www.eclipse.org/legal/epl-v10.html |
| // |
| // The Apache License v2.0 is available at |
| // http://www.opensource.org/licenses/apache2.0.php |
| // |
| // You may elect to redistribute this code under either of these licenses. |
| // ======================================================================== |
| // |
| |
| package org.eclipse.jetty.annotations; |
| |
| import javax.servlet.MultipartConfigElement; |
| import javax.servlet.Servlet; |
| import javax.servlet.annotation.MultipartConfig; |
| |
| import org.eclipse.jetty.annotations.AnnotationIntrospector.AbstractIntrospectableAnnotationHandler; |
| import org.eclipse.jetty.servlet.ServletHolder; |
| import org.eclipse.jetty.webapp.Descriptor; |
| import org.eclipse.jetty.webapp.MetaData; |
| import org.eclipse.jetty.webapp.WebAppContext; |
| |
| /** |
| * MultiPartConfigAnnotationHandler |
| * |
| * |
| */ |
| public class MultiPartConfigAnnotationHandler extends AbstractIntrospectableAnnotationHandler |
| { |
| protected WebAppContext _context; |
| |
| public MultiPartConfigAnnotationHandler(WebAppContext context) |
| { |
| //TODO verify that MultipartConfig is not inheritable |
| super(false); |
| _context = context; |
| } |
| /** |
| * @see org.eclipse.jetty.annotations.AnnotationIntrospector.AbstractIntrospectableAnnotationHandler#doHandle(java.lang.Class) |
| */ |
| public void doHandle(Class clazz) |
| { |
| if (!Servlet.class.isAssignableFrom(clazz)) |
| return; |
| |
| MultipartConfig multi = (MultipartConfig) clazz.getAnnotation(MultipartConfig.class); |
| if (multi == null) |
| return; |
| |
| MetaData metaData = _context.getMetaData(); |
| |
| //TODO: The MultipartConfigElement needs to be set on the ServletHolder's Registration. |
| //How to identify the correct Servlet? If the Servlet has no WebServlet annotation on it, does it mean that this MultipartConfig |
| //annotation applies to all declared instances in web.xml/programmatically? |
| //Assuming TRUE for now. |
| |
| ServletHolder holder = getServletHolderForClass(clazz); |
| if (holder != null) |
| { |
| Descriptor d = metaData.getOriginDescriptor(holder.getName()+".servlet.multipart-config"); |
| //if a descriptor has already set the value for multipart config, do not |
| //let the annotation override it |
| if (d == null) |
| { |
| metaData.setOrigin(holder.getName()+".servlet.multipart-config",multi,clazz); |
| holder.getRegistration().setMultipartConfig(new MultipartConfigElement(multi)); |
| } |
| } |
| } |
| |
| private ServletHolder getServletHolderForClass (Class clazz) |
| { |
| ServletHolder holder = null; |
| ServletHolder[] holders = _context.getServletHandler().getServlets(); |
| if (holders != null) |
| { |
| for (ServletHolder h : holders) |
| { |
| if (h.getClassName() != null && h.getClassName().equals(clazz.getName())) |
| { |
| holder = h; |
| } |
| } |
| } |
| return holder; |
| } |
| } |