Servletで画像を受け取るサンプル

post_image_servlet_sample.java

		try {
			request.setCharacterEncoding("UTF-8");
			String type = request.getParameter("type");
			System.out.println(type);
			if (type == null) {
				response.getWriter().println("type parameter failed.");
			} else {
				OutputStream out = null;
				InputStream in = null;
				try {
					response.setContentType("application/octet-stream");
					response.setHeader("Content-Disposition",
							"filename=\"ファイル名\"");
					in = new FileInputStream("物理ファイル名");
					out = response.getOutputStream();
					byte[] buff = new byte[1024];
					int len = 0;
					while ((len = in.read(buff, 0, buff.length)) != -1) {
						out.write(buff, 0, len);
					}
				} finally {
					if (in != null) {
						try {
							in.close();
						} catch (IOException e) {
						}
					}
					if (out != null) {
						try {
							out.close();
						} catch (IOException e) {
						}
					}
				}
			}
		} catch (IOException e) {
			// Error
		}