diff --git a/javax-servlets/pom.xml b/javax-servlets/pom.xml index 69d952da9c..41a3bb69be 100644 --- a/javax-servlets/pom.xml +++ b/javax-servlets/pom.xml @@ -1,46 +1,75 @@ - - 4.0.0 - javax-servlets - 1.0-SNAPSHOT + + 4.0.0 + javax-servlets + 1.0-SNAPSHOT - - com.baeldung - parent-modules - 1.0.0-SNAPSHOT - + + com.baeldung + parent-modules + 1.0.0-SNAPSHOT + - - - javax.servlet - javax.servlet-api - ${javax.servlet.version} - - - org.apache.httpcomponents - httpclient - ${org.apache.httpcomponents.version} - test - - - commons-logging - commons-logging - - - - - org.springframework - spring-test - ${spring-test.version} - test - - + + + + commons-fileupload + commons-fileupload + 1.3.3 + + + commons-io + commons-io + 2.6 + - - 3.1.0 - 4.5.3 - 5.0.5.RELEASE - + + + javax.servlet + javax.servlet-api + 4.0.1 + + + javax.servlet.jsp.jstl + jstl-api + 1.2 + + + javax.servlet.jsp + javax.servlet.jsp-api + 2.3.1 + + + javax.servlet + jstl + 1.2 + + + + org.apache.httpcomponents + httpclient + ${org.apache.httpcomponents.version} + test + + + commons-logging + commons-logging + + + + + org.springframework + spring-test + ${spring-test.version} + test + + + + + 4.5.3 + 5.0.5.RELEASE + \ No newline at end of file diff --git a/javax-servlets/src/main/java/com/baeldung/Constants.java b/javax-servlets/src/main/java/com/baeldung/Constants.java new file mode 100644 index 0000000000..90c64870ad --- /dev/null +++ b/javax-servlets/src/main/java/com/baeldung/Constants.java @@ -0,0 +1,11 @@ +package com.baeldung; + +public class Constants { + + public static final String UPLOAD_DIRECTORY = "upload"; + public static final String DEFAULT_FILENAME = "default.file"; + + public static final int MEMORY_THRESHOLD = 1024 * 1024 * 3; + public static final int MAX_FILE_SIZE = 1024 * 1024 * 40; + public static final int MAX_REQUEST_SIZE = 1024 * 1024 * 50; +} \ No newline at end of file diff --git a/javax-servlets/src/main/java/com/baeldung/servlets/MultipartServlet.java b/javax-servlets/src/main/java/com/baeldung/servlets/MultipartServlet.java new file mode 100644 index 0000000000..185edcf916 --- /dev/null +++ b/javax-servlets/src/main/java/com/baeldung/servlets/MultipartServlet.java @@ -0,0 +1,54 @@ +package com.baeldung.servlets; + +import com.baeldung.Constants; + +import javax.servlet.ServletException; +import javax.servlet.annotation.MultipartConfig; +import javax.servlet.annotation.WebServlet; +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; +import javax.servlet.http.Part; +import java.io.File; +import java.io.FileNotFoundException; +import java.io.IOException; + +import static com.baeldung.Constants.UPLOAD_DIRECTORY; + +@WebServlet( + name = "MultiPartServlet", + urlPatterns = {"/multiPartServlet"} +) +@MultipartConfig(fileSizeThreshold = 1024 * 1024, maxFileSize = 1024 * 1024 * 5, maxRequestSize = 1024 * 1024 * 5 * 5) +public class MultipartServlet extends HttpServlet { + + private static final long serialVersionUID = 1L; + + private String getFileName(Part part) { + for (String content : part.getHeader("content-disposition").split(";")) { + if (content.trim().startsWith("filename")) + return content.substring(content.indexOf("=") + 2, content.length() - 1); + } + return Constants.DEFAULT_FILENAME; + } + + protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { + + String uploadPath = getServletContext().getRealPath("") + File.separator + UPLOAD_DIRECTORY; + File uploadDir = new File(uploadPath); + if (!uploadDir.exists()) + uploadDir.mkdir(); + + try { + String fileName = ""; + for (Part part : request.getParts()) { + fileName = getFileName(part); + part.write(uploadPath + File.separator + fileName); + } + request.setAttribute("message", "File " + fileName + " has uploaded successfully!"); + } catch (FileNotFoundException fne) { + request.setAttribute("message", "There was an error: " + fne.getMessage()); + } + getServletContext().getRequestDispatcher("/result.jsp").forward(request, response); + } +} \ No newline at end of file diff --git a/javax-servlets/src/main/java/com/baeldung/servlets/UploadServlet.java b/javax-servlets/src/main/java/com/baeldung/servlets/UploadServlet.java new file mode 100644 index 0000000000..4de7b20913 --- /dev/null +++ b/javax-servlets/src/main/java/com/baeldung/servlets/UploadServlet.java @@ -0,0 +1,63 @@ +package com.baeldung.servlets; + +import javax.servlet.annotation.WebServlet; +import org.apache.commons.fileupload.FileItem; +import org.apache.commons.fileupload.disk.DiskFileItemFactory; +import org.apache.commons.fileupload.servlet.ServletFileUpload; + +import javax.servlet.ServletException; +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; +import java.io.File; +import java.io.IOException; +import java.util.List; + +import static com.baeldung.Constants.*; + +@WebServlet( + name = "UploadServlet", + urlPatterns = {"/uploadFile"} +) +public class UploadServlet extends HttpServlet { + + private static final long serialVersionUID = 1L; + + protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { + + if (ServletFileUpload.isMultipartContent(request)) { + + DiskFileItemFactory factory = new DiskFileItemFactory(); + factory.setSizeThreshold(MEMORY_THRESHOLD); + factory.setRepository(new File(System.getProperty("java.io.tmpdir"))); + + ServletFileUpload upload = new ServletFileUpload(factory); + upload.setFileSizeMax(MAX_FILE_SIZE); + upload.setSizeMax(MAX_REQUEST_SIZE); + String uploadPath = getServletContext().getRealPath("") + File.separator + UPLOAD_DIRECTORY; + File uploadDir = new File(uploadPath); + if (!uploadDir.exists()) { + uploadDir.mkdir(); + } + + try { + List formItems = upload.parseRequest(request); + + if (formItems != null && formItems.size() > 0) { + for (FileItem item : formItems) { + if (!item.isFormField()) { + String fileName = new File(item.getName()).getName(); + String filePath = uploadPath + File.separator + fileName; + File storeFile = new File(filePath); + item.write(storeFile); + request.setAttribute("message", "File " + fileName + " has uploaded successfully!"); + } + } + } + } catch (Exception ex) { + request.setAttribute("message", "There was an error: " + ex.getMessage()); + } + getServletContext().getRequestDispatcher("/result.jsp").forward(request, response); + } + } +} \ No newline at end of file diff --git a/javax-servlets/src/main/java/com/baeldung/servlets/UploadWelcomeServlet.java b/javax-servlets/src/main/java/com/baeldung/servlets/UploadWelcomeServlet.java new file mode 100644 index 0000000000..56cec546be --- /dev/null +++ b/javax-servlets/src/main/java/com/baeldung/servlets/UploadWelcomeServlet.java @@ -0,0 +1,18 @@ +package com.baeldung.servlets; + +import java.io.IOException; +import javax.servlet.ServletException; +import javax.servlet.annotation.WebServlet; +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + +@WebServlet(name = "UploadWelcomeServlet", urlPatterns = "/uploadwelcome") +public class UploadWelcomeServlet extends HttpServlet { + + @Override + protected void doGet(HttpServletRequest request, HttpServletResponse response) + throws ServletException, IOException { + request.getRequestDispatcher("/upload.jsp").forward(request, response); + } +} diff --git a/javax-servlets/src/main/webapp/WEB-INF/web.xml b/javax-servlets/src/main/webapp/WEB-INF/web.xml deleted file mode 100644 index 66934d8fd3..0000000000 --- a/javax-servlets/src/main/webapp/WEB-INF/web.xml +++ /dev/null @@ -1,7 +0,0 @@ - - - - \ No newline at end of file diff --git a/javax-servlets/src/main/webapp/result.jsp b/javax-servlets/src/main/webapp/result.jsp new file mode 100644 index 0000000000..2e985cb322 --- /dev/null +++ b/javax-servlets/src/main/webapp/result.jsp @@ -0,0 +1,13 @@ +<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> + + + + + + Upload Result + + + +

${message}

+ + \ No newline at end of file diff --git a/javax-servlets/src/main/webapp/upload.jsp b/javax-servlets/src/main/webapp/upload.jsp new file mode 100644 index 0000000000..f365484892 --- /dev/null +++ b/javax-servlets/src/main/webapp/upload.jsp @@ -0,0 +1,23 @@ +<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %> + + + + + + File Upload Demo + + + +
Apache FileUpload
+
+ Choose a file: +
+ +
+ +
Servlet Multipart
+
+ Choose a file: +
+ + \ No newline at end of file