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1   /*
2    * Copyright 2004-2009 the Seasar Foundation and the Others.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
13   * either express or implied. See the License for the specific language
14   * governing permissions and limitations under the License.
15   */
16  package org.seasar.cubby.plugins.guice;
17  
18  import javax.servlet.http.HttpServletRequest;
19  
20  import org.apache.commons.fileupload.FileItemFactory;
21  import org.apache.commons.fileupload.FileUpload;
22  import org.apache.commons.fileupload.RequestContext;
23  import org.apache.commons.fileupload.disk.DiskFileItemFactory;
24  import org.apache.commons.fileupload.servlet.ServletFileUpload;
25  import org.apache.commons.fileupload.servlet.ServletRequestContext;
26  
27  import com.google.inject.AbstractModule;
28  import com.google.inject.Provides;
29  import com.google.inject.servlet.RequestScoped;
30  
31  /**
32   * commons-fileupload の設定を行います。
33   * <p>
34   * {@link org.apache.commons.fileupload.disk.DiskFileItemFactory}
35   * はテンポラリにローカルファイルシステムを使用します。Goolgle&nbsp;App&nbsp;Engine
36   * のようにファイルシステムへの書き込みに制限がある場合は
37   * {@link org.apache.commons.fileupload.disk.DiskFileItemFactory} ではなく、
38   * {@link org.seasar.cubby.fileupload.StreamFileItemFactory} を試してみてください。
39   * これはマルチパートのデータをテンポラリを使用せずにオンメモリで処理します。
40   * </p>
41   */
42  public class FileUploadModule extends AbstractModule {
43  
44  	/**
45  	 * {@inheritDoc}
46  	 */
47  	@Override
48  	protected void configure() {
49  	}
50  
51  	@Provides
52  	FileUpload provideFileUpload() {
53  		final FileItemFactory fileItemFactory = new DiskFileItemFactory();
54  		final FileUpload fileUpload = new ServletFileUpload(fileItemFactory);
55  		return fileUpload;
56  	}
57  
58  	@Provides
59  	@RequestScoped
60  	RequestContext provideRequestContext(final HttpServletRequest request) {
61  		final RequestContext requestContext = new ServletRequestContext(request);
62  		return requestContext;
63  	}
64  
65  }