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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  }