| // Copyright 2007, 2008, 2009 The Apache Software Foundation |
| // |
| // Licensed 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.tapestry5.upload.services; |
| |
| import java.io.File; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| import org.apache.commons.fileupload.FileItemFactory; |
| import org.apache.commons.fileupload.disk.DiskFileItemFactory; |
| import org.apache.commons.io.FileCleaner; |
| import org.apache.tapestry5.ioc.Configuration; |
| import org.apache.tapestry5.ioc.MappedConfiguration; |
| import org.apache.tapestry5.ioc.OrderedConfiguration; |
| import org.apache.tapestry5.ioc.ScopeConstants; |
| import org.apache.tapestry5.ioc.annotations.Autobuild; |
| import org.apache.tapestry5.ioc.annotations.Scope; |
| import org.apache.tapestry5.ioc.annotations.Symbol; |
| import org.apache.tapestry5.ioc.services.PerthreadManager; |
| import org.apache.tapestry5.ioc.services.RegistryShutdownHub; |
| import org.apache.tapestry5.ioc.services.RegistryShutdownListener; |
| import org.apache.tapestry5.services.ComponentEventRequestFilter; |
| import org.apache.tapestry5.services.HttpServletRequestFilter; |
| import org.apache.tapestry5.services.LibraryMapping; |
| import org.apache.tapestry5.upload.internal.services.MultipartDecoderImpl; |
| import org.apache.tapestry5.upload.internal.services.MultipartServletRequestFilter; |
| import org.apache.tapestry5.upload.internal.services.UploadExceptionFilter; |
| |
| public class UploadModule |
| { |
| private static final String NO_LIMIT = "-1"; |
| |
| private static final AtomicBoolean needToAddShutdownListener = new AtomicBoolean(true); |
| |
| public static void contributeComponentClassResolver(Configuration<LibraryMapping> configuration) |
| { |
| // Add the component to the "core" library. |
| |
| configuration.add(new LibraryMapping("core", "org.apache.tapestry5.upload")); |
| } |
| |
| @Scope(ScopeConstants.PERTHREAD) |
| public static MultipartDecoder buildMultipartDecoder(PerthreadManager perthreadManager, |
| |
| RegistryShutdownHub shutdownHub, |
| |
| @Autobuild |
| MultipartDecoderImpl multipartDecoder) |
| { |
| // This is proabably overkill since the FileCleaner should catch temporary files, but lets |
| // be safe. |
| perthreadManager.addThreadCleanupListener(multipartDecoder); |
| |
| if (needToAddShutdownListener.getAndSet(false)) |
| { |
| shutdownHub.addRegistryShutdownListener(new RegistryShutdownListener() |
| { |
| public void registryDidShutdown() |
| { |
| FileCleaner.exitWhenFinished(); |
| } |
| }); |
| } |
| |
| return multipartDecoder; |
| } |
| |
| /** |
| * Contributes a filter, "MultipartFilter" after "IgnoredPaths". |
| */ |
| public static void contributeHttpServletRequestHandler( |
| OrderedConfiguration<HttpServletRequestFilter> configuration, MultipartDecoder multipartDecoder) |
| { |
| configuration.add("MultipartFilter", new MultipartServletRequestFilter(multipartDecoder), "after:IgnoredPaths"); |
| } |
| |
| /** |
| * Adds UploadException to the pipeline, between Secure and Ajax (both provided by TapestryModule). UploadException |
| * is responsible for triggering the {@linkplain org.apache.tapestry5.upload.services.UploadEvents#UPLOAD_EXCEPTION |
| * upload exception event}. |
| */ |
| public static void contributeComponentEventRequestHandler( |
| OrderedConfiguration<ComponentEventRequestFilter> configuration) |
| { |
| configuration.addInstance("UploadException", UploadExceptionFilter.class, "after:Secure", "before:Ajax"); |
| } |
| |
| /** |
| * The default FileItemFactory used by the MultipartDecoder is |
| * {@link org.apache.commons.fileupload.disk.DiskFileItemFactory}. |
| */ |
| public static FileItemFactory buildDefaultFileItemFactory(@Symbol(UploadSymbols.REPOSITORY_THRESHOLD) |
| int repositoryThreshold, |
| |
| @Symbol(UploadSymbols.REPOSITORY_LOCATION) |
| String repositoryLocation) |
| { |
| return new DiskFileItemFactory(repositoryThreshold, new File(repositoryLocation)); |
| } |
| |
| public static void contributeFactoryDefaults(MappedConfiguration<String, String> configuration) |
| { |
| configuration.add(UploadSymbols.REPOSITORY_THRESHOLD, Integer |
| .toString(DiskFileItemFactory.DEFAULT_SIZE_THRESHOLD)); |
| configuration.add(UploadSymbols.REPOSITORY_LOCATION, System.getProperty("java.io.tmpdir")); |
| configuration.add(UploadSymbols.REQUESTSIZE_MAX, NO_LIMIT); |
| configuration.add(UploadSymbols.FILESIZE_MAX, NO_LIMIT); |
| } |
| } |