119 lines
3.6 KiB
Java
Executable file
119 lines
3.6 KiB
Java
Executable file
/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2015 Ziver Koc
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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package zutil.net.http.multipart;
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import zutil.io.IOUtil;
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import zutil.log.LogUtil;
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import java.io.*;
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import java.util.Map;
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import java.util.logging.Logger;
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import static zutil.net.http.multipart.MultipartParser.HEADER_CONTENT_TYPE;
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/**
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* A class for handling multipart files
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*
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* @author Ziver
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*/
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public class MultipartFileField implements MultipartField{
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private static final Logger logger = LogUtil.getLogger();
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private String fieldname;
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private String filename;
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private String contentType;
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private byte[] content;
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private InputStream in;
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protected MultipartFileField(Map<String,String> headers, InputStream in) throws IOException {
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this.fieldname = headers.get("name");
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this.filename = headers.get("filename");
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this.contentType = headers.get(HEADER_CONTENT_TYPE);
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this.in = in;
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}
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/**
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* @return the amount of data received for this field
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*/
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public long getLength(){
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return 0; //TODO:
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}
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/**
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* @return the field name
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*/
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public String getName(){
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return fieldname;
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}
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public String getFilename(){
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return filename;
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}
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public String getContentType() {
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return contentType;
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}
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/**
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* First time this method is called the contents of the
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* file will be read into a byte array and returned.
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* Subsequent calls will just return the array without
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* reading any more data from the stream.
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*
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* Note: Only one of the methods {@link #getContent()} or
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* {@link #saveToFile(File)} can be used as they will consume the data in the stream.
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*
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* @return a byte array containing the file data. null if the Stream has already been consumed
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*/
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public byte[] getContent() throws IOException {
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if (in != null) {
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content = IOUtil.readContent(in);
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in = null; // reset InputStream
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}
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return content;
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}
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/**
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* Reads in all data and save it into the specified file.
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*
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* Note: Only one of the methods {@link #getContent()} or
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* {@link #saveToFile(File)} can be used as they will consume the data in the stream.
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*
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* @param file is the new file where the data will be stored
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*/
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public void saveToFile(File file) throws IOException {
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if (in == null)
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throw new IOException("Stream already consumed.");
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BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(file));
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IOUtil.copyStream(in, out);
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out.close();
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in = null; // reset InputStream
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}
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}
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