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.converter.impl; 17 18 import java.io.IOException; 19 import java.io.InputStream; 20 21 import org.apache.commons.fileupload.FileItem; 22 import org.seasar.cubby.converter.Converter; 23 24 /** 25 * {@link FileItem}から{@link InputStream}へ変換する{@link Converter}です。 26 * 27 * @author baba 28 */ 29 public class InputStreamFileItemConverter extends AbstractFileItemConverter { 30 31 /** 32 * {@inheritDoc} 33 * 34 * @return {@link InputStream}のクラスを返します。 35 */ 36 public Class<?> getObjectType() { 37 return InputStream.class; 38 } 39 40 /** 41 * {@inheritDoc} 42 * <p> 43 * 指定された{@link FileItem}から取得した{@link InputStream}を返します。変換時に 44 * {@link IOException}が発生した場合は <code>null</code> を返します。 45 * </p> 46 * 47 * @return 指定された{@link FileItem}から取得した{@link InputStream} 48 * @see FileItem#getInputStream() 49 */ 50 @Override 51 protected Object convert(final FileItem fileItem) { 52 try { 53 return fileItem.getInputStream(); 54 } catch (final IOException e) { 55 return null; 56 } 57 } 58 59 }