From 30f78fc3cae32201f20804708429dc364cec57c2 Mon Sep 17 00:00:00 2001
From: hugosama1 <hugosama1@gmail.com>
Date: Tue, 12 Dec 2017 08:01:06 -0500
Subject: [PATCH] BAEL-1345 - Apachefileupload (#3185)

* Added code for file upload controller

* changed to spring module
---
 libraries/pom.xml                             | 10 +--
 spring-rest-simple/pom.xml                    |  2 +-
 .../apachefileupload/UploadController.java    | 73 +++++++++++++++++++
 3 files changed, 79 insertions(+), 6 deletions(-)
 create mode 100644 spring-rest-simple/src/main/java/com/baeldung/apachefileupload/UploadController.java

diff --git a/libraries/pom.xml b/libraries/pom.xml
index 27d867b68b..eaa2d9d38f 100644
--- a/libraries/pom.xml
+++ b/libraries/pom.xml
@@ -630,13 +630,13 @@
         <dependency>
           <groupId>com.google.http-client</groupId>
           <artifactId>google-http-client-jackson2</artifactId>
-            <version>${googleclient.version}</version>
+          <version>${googleclient.version}</version>
         </dependency>
         <dependency>
-        <groupId>com.google.http-client</groupId>
-        <artifactId>google-http-client-gson</artifactId>
-        <version>${googleclient.version}</version>
-      </dependency>
+            <groupId>com.google.http-client</groupId>
+            <artifactId>google-http-client-gson</artifactId>
+            <version>${googleclient.version}</version>
+        </dependency>
     </dependencies>
     <repositories>
         <repository>
diff --git a/spring-rest-simple/pom.xml b/spring-rest-simple/pom.xml
index f3fdd78ff4..7314785731 100644
--- a/spring-rest-simple/pom.xml
+++ b/spring-rest-simple/pom.xml
@@ -346,7 +346,7 @@
     </profiles>
 
     <properties>
-        <commons-fileupload.version>1.3.2</commons-fileupload.version>
+        <commons-fileupload.version>1.3.3</commons-fileupload.version>
         <kryo.version>4.0.0</kryo.version>
         <protobuf-java-format.version>1.4</protobuf-java-format.version>
         <protobuf-java.version>3.1.0</protobuf-java.version>
diff --git a/spring-rest-simple/src/main/java/com/baeldung/apachefileupload/UploadController.java b/spring-rest-simple/src/main/java/com/baeldung/apachefileupload/UploadController.java
new file mode 100644
index 0000000000..b9b6739898
--- /dev/null
+++ b/spring-rest-simple/src/main/java/com/baeldung/apachefileupload/UploadController.java
@@ -0,0 +1,73 @@
+package com.baeldung.apachefileupload;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.Iterator;
+import java.util.List;
+import javax.servlet.http.HttpServletRequest;
+import org.apache.commons.fileupload.FileItem;
+import org.apache.commons.fileupload.FileItemIterator;
+import org.apache.commons.fileupload.FileItemStream;
+import org.apache.commons.fileupload.FileUploadException;
+import org.apache.commons.fileupload.disk.DiskFileItemFactory;
+import org.apache.commons.fileupload.servlet.ServletFileUpload;
+import org.apache.commons.fileupload.util.Streams;
+import org.apache.commons.io.IOUtils;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class UploadController {
+
+    @RequestMapping(value = "/upload", method = RequestMethod.POST)
+    public String handleUpload(HttpServletRequest request) {
+        System.out.println(System.getProperty("java.io.tmpdir"));
+        boolean isMultipart = ServletFileUpload.isMultipartContent(request);
+        // Create a factory for disk-based file items
+        DiskFileItemFactory factory = new DiskFileItemFactory();
+        factory.setRepository(new File(System.getProperty("java.io.tmpdir")));
+        factory.setSizeThreshold(DiskFileItemFactory.DEFAULT_SIZE_THRESHOLD);
+        factory.setFileCleaningTracker(null);
+        // Configure a repository (to ensure a secure temp location is used)
+        ServletFileUpload upload = new ServletFileUpload(factory);
+        try {
+            // Parse the request
+            List<FileItem> items = upload.parseRequest(request);
+            // Process the uploaded items
+            Iterator<FileItem> iter = items.iterator();
+            while (iter.hasNext()) {
+                FileItem item = iter.next();
+
+                if (!item.isFormField()) {
+                    try (InputStream uploadedStream = item.getInputStream();
+                            OutputStream out = new FileOutputStream("file.mov");) {
+                        IOUtils.copy(uploadedStream, out);
+                        out.close();
+                    }
+                }
+            }
+            // Parse the request with Streaming API
+            upload = new ServletFileUpload();
+            FileItemIterator iterStream = upload.getItemIterator(request);
+            while (iterStream.hasNext()) {
+                FileItemStream item = iterStream.next();
+                String name = item.getFieldName();
+                InputStream stream = item.openStream();
+                if (!item.isFormField()) {
+                    //Process the InputStream
+                } else {
+                    //process form fields
+                    String formFieldValue = Streams.asString(stream);
+                }
+            }
+            return "success!";
+        } catch (IOException | FileUploadException ex) {
+            return "failed: " + ex.getMessage();
+        }
+    }
+
+}