| // Copyright 2004 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.tapestry.multipart; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| import org.apache.commons.fileupload.FileItem; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.tapestry.ApplicationRuntimeException; |
| import org.apache.tapestry.Tapestry; |
| import org.apache.tapestry.request.IUploadFile; |
| |
| /** |
| * Portion of a multi-part request representing an uploaded file. |
| * |
| * @author Joe Panico |
| * @version $Id$ |
| * @since 2.0.1 |
| * |
| **/ |
| public class UploadPart extends Object implements IUploadFile, IPart |
| { |
| private static final Log LOG = LogFactory.getLog(UploadPart.class); |
| |
| private FileItem _fileItem; |
| |
| public UploadPart(FileItem fileItem) |
| { |
| if (fileItem == null) |
| throw new IllegalArgumentException( |
| Tapestry.format("invalid-null-parameter", "fileItem")); |
| |
| _fileItem = fileItem; |
| } |
| |
| public String getContentType() |
| { |
| return _fileItem.getContentType(); |
| } |
| |
| /** |
| * Leverages {@link File} to convert the full file path and extract |
| * the name. |
| * |
| **/ |
| public String getFileName() |
| { |
| File file = new File(this.getFilePath()); |
| |
| return file.getName(); |
| } |
| |
| /** |
| * @since 2.0.4 |
| * |
| **/ |
| |
| public String getFilePath() |
| { |
| return _fileItem.getName(); |
| } |
| |
| public InputStream getStream() |
| { |
| try |
| { |
| return _fileItem.getInputStream(); |
| } |
| catch (IOException ex) |
| { |
| throw new ApplicationRuntimeException( |
| Tapestry.format("UploadPart.unable-to-open-content-file", _fileItem.getName()), |
| ex); |
| } |
| } |
| |
| /** |
| * Deletes the external content file, if one exists. |
| * |
| **/ |
| |
| public void cleanup() |
| { |
| _fileItem.delete(); |
| } |
| |
| /** |
| * Writes the uploaded content to a file. This should be invoked at most once |
| * (perhaps we should add a check for this). This will often |
| * be a simple file rename. |
| * |
| * @since 3.0 |
| */ |
| public void write(File file) |
| { |
| try |
| { |
| _fileItem.write(file); |
| } |
| catch (Exception ex) |
| { |
| throw new ApplicationRuntimeException( |
| Tapestry.format("UploadPart.write-failure", file, ex.getMessage()), |
| ex); |
| } |
| } |
| |
| /** |
| * @since 3.0 |
| */ |
| public long getSize() |
| { |
| return _fileItem.getSize(); |
| } |
| |
| /** |
| * @since 3.0 |
| */ |
| public boolean isInMemory() |
| { |
| return _fileItem.isInMemory(); |
| } |
| |
| } |