From 09cefc2b8970eea56d81b1a886d9bb769a48daf3 Mon Sep 17 00:00:00 2001
From: Oleg Kalnichevski <olegk@apache.org>
Date: Wed, 21 Oct 2015 12:34:14 +0000
Subject: [PATCH] MultipartFormEntity#getContent implementation Contributed by
 Slikey <trusted at kevin-carstens.de>

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/branches/4.5.x@1709814 13f79535-47bb-0310-9956-ffa450edef68
---
 .../http/entity/mime/MultipartFormEntity.java | 22 ++++++++++++++-----
 1 file changed, 16 insertions(+), 6 deletions(-)

diff --git a/httpmime/src/main/java/org/apache/http/entity/mime/MultipartFormEntity.java b/httpmime/src/main/java/org/apache/http/entity/mime/MultipartFormEntity.java
index 467ca8e08..cabb824ae 100644
--- a/httpmime/src/main/java/org/apache/http/entity/mime/MultipartFormEntity.java
+++ b/httpmime/src/main/java/org/apache/http/entity/mime/MultipartFormEntity.java
@@ -27,16 +27,19 @@
 
 package org.apache.http.entity.mime;
 
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+
+import org.apache.http.ContentTooLongException;
 import org.apache.http.Header;
 import org.apache.http.HttpEntity;
 import org.apache.http.entity.ContentType;
 import org.apache.http.message.BasicHeader;
 import org.apache.http.protocol.HTTP;
 
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-
 @SuppressWarnings("deprecation")
 class MultipartFormEntity implements HttpEntity {
 
@@ -94,8 +97,15 @@ class MultipartFormEntity implements HttpEntity {
 
     @Override
     public InputStream getContent() throws IOException {
-        throw new UnsupportedOperationException(
-                    "Multipart form entity does not implement #getContent()");
+        if (this.contentLength < 0) {
+            throw new ContentTooLongException("Content length is unknown");
+        } else if (this.contentLength > 25 * 1024) {
+            throw new ContentTooLongException("Content length is too long: " + this.contentLength);
+        }
+        final ByteArrayOutputStream outstream = new ByteArrayOutputStream();
+        writeTo(outstream);
+        outstream.flush();
+        return new ByteArrayInputStream(outstream.toByteArray());
     }
 
     @Override