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SPR-6247 - Multipart Content-Type charset is ignored in CommonsFileUploadSupport.

This commit is contained in:
Arjen Poutsma 2009-10-27 11:42:36 +00:00
parent d54a975af4
commit d0893c425e
3 changed files with 26 additions and 4 deletions
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18
org.springframework.web/src/main/java/org/springframework/web/multipart/commons/CommonsFileUploadSupport.java
View File

@ -22,6 +22,7 @@ import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.nio.charset.Charset;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileItemFactory;
@ -36,6 +37,7 @@ import org.springframework.util.MultiValueMap;
import org.springframework.util.StringUtils;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.util.WebUtils;
import org.springframework.http.MediaType;
/**
* Base class for multipart resolvers that use Jakarta Commons FileUpload
@ -221,14 +223,15 @@ public abstract class CommonsFileUploadSupport {
for (FileItem fileItem : fileItems) {
if (fileItem.isFormField()) {
String value;
if (encoding != null) {
String partEncoding = determineEncoding(fileItem.getContentType(), encoding);
if (partEncoding != null) {
try {
value = fileItem.getString(encoding);
value = fileItem.getString(partEncoding);
}
catch (UnsupportedEncodingException ex) {
if (logger.isWarnEnabled()) {
logger.warn("Could not decode multipart item '" + fileItem.getFieldName() +
"' with encoding '" + encoding + "': using platform default");
"' with encoding '" + partEncoding + "': using platform default");
}
value = fileItem.getString();
}
@ -281,6 +284,15 @@ public abstract class CommonsFileUploadSupport {
}
}
private String determineEncoding(String contentTypeHeader, String defaultEncoding) {
if (!StringUtils.hasText(contentTypeHeader)) {
return defaultEncoding;
}
MediaType contentType = MediaType.parseMediaType(contentTypeHeader);
Charset charset = contentType.getCharSet();
return charset != null ? charset.name() : defaultEncoding;
}
/**
* Holder for a Map of Spring MultipartFiles and a Map of

10
org.springframework.web/src/test/java/org/springframework/http/MediaTypeTests.java
View File

@ -19,6 +19,7 @@ package org.springframework.http;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.nio.charset.Charset;
import static org.junit.Assert.*;
import org.junit.Test;
@ -55,6 +56,15 @@ public class MediaTypeTests {
assertEquals("Invalid quality factor", 0.2D, mediaType.getQualityValue(), 0D);
}
@Test
public void parseCharset() throws Exception {
String s = "text/html; charset=iso-8859-1";
MediaType mediaType = MediaType.parseMediaType(s);
assertEquals("Invalid type", "text", mediaType.getType());
assertEquals("Invalid subtype", "html", mediaType.getSubtype());
assertEquals("Invalid charset", Charset.forName("ISO-8859-1"), mediaType.getCharSet());
}
@Test
public void parseURLConnectionMediaType() throws Exception {
String s = "*; q=.2";

2
org.springframework.web/src/test/java/org/springframework/web/multipart/commons/CommonsMultipartResolverTests.java
View File

@ -375,7 +375,7 @@ public class CommonsMultipartResolverTests {
MockFileItem fileItem2x = new MockFileItem(
"field2x", "type2", empty ? "" : "C:\\field2x.txt", empty ? "" : "text2");
MockFileItem fileItem3 = new MockFileItem("field3", null, null, "value3");
MockFileItem fileItem4 = new MockFileItem("field4", null, null, "value4");
MockFileItem fileItem4 = new MockFileItem("field4", "text/html; charset=iso-8859-1", null, "value4");
MockFileItem fileItem5 = new MockFileItem("field4", null, null, "value5");
fileItems.add(fileItem1);
fileItems.add(fileItem1x);