/**
* Parse the given List of Commons FileItems into a Spring MultipartParsingResult, containing
* Spring MultipartFile instances and a Map of multipart parameter.
*
* @param fileItems the Commons FileIterms to parse
* @param encoding the encoding to use for form fields
* @return the Spring MultipartParsingResult
* @see CommonsMultipartFile#CommonsMultipartFile(org.apache.commons.fileupload.FileItem)
*/
protected MultipartParsingResult parseFileItems(List<FileItem> fileItems, String encoding) {
MultiValueMap<String, MultipartFile> multipartFiles =
new LinkedMultiValueMap<String, MultipartFile>();
Map<String, String[]> multipartParameters = new HashMap<String, String[]>();
Map<String, String> multipartParameterContentTypes = new HashMap<String, String>();
// Extract multipart files and multipart parameters.
for (FileItem fileItem : fileItems) {
if (fileItem.isFormField()) {
String value;
String partEncoding = determineEncoding(fileItem.getContentType(), encoding);
if (partEncoding != null) {
try {
value = fileItem.getString(partEncoding);
} catch (UnsupportedEncodingException ex) {
if (logger.isWarnEnabled()) {
logger.warn(
"Could not decode multipart item '"
+ fileItem.getFieldName()
+ "' with encoding '"
+ partEncoding
+ "': using platform default");
}
value = fileItem.getString();
}
} else {
value = fileItem.getString();
}
String[] curParam = multipartParameters.get(fileItem.getFieldName());
if (curParam == null) {
// simple form field
multipartParameters.put(fileItem.getFieldName(), new String[] {value});
} else {
// array of simple form fields
String[] newParam = StringUtils.addStringToArray(curParam, value);
multipartParameters.put(fileItem.getFieldName(), newParam);
}
multipartParameterContentTypes.put(fileItem.getFieldName(), fileItem.getContentType());
} else {
// multipart file field
CommonsMultipartFile file = new CommonsMultipartFile(fileItem);
multipartFiles.add(file.getName(), file);
if (logger.isDebugEnabled()) {
logger.debug(
"Found multipart file ["
+ file.getName()
+ "] of size "
+ file.getSize()
+ " bytes with original filename ["
+ file.getOriginalFilename()
+ "], stored "
+ file.getStorageDescription());
}
}
}
return new MultipartParsingResult(
multipartFiles, multipartParameters, multipartParameterContentTypes);
}
/** multipart에 대한 parsing을 처리한다. */
@SuppressWarnings("unchecked")
@Override
protected MultipartParsingResult parseFileItems(List fileItems, String encoding) {
Map multipartFiles = new HashMap();
Map multipartParameters = new HashMap();
// Extract multipart files and multipart parameters.
for (Iterator it = fileItems.iterator(); it.hasNext(); ) {
FileItem fileItem = (FileItem) it.next();
if (fileItem.isFormField()) {
String value = null;
if (encoding != null) {
try {
value = fileItem.getString(encoding);
} catch (UnsupportedEncodingException ex) {
if (logger.isWarnEnabled()) {
logger.warn(
"Could not decode multipart item '"
+ fileItem.getFieldName()
+ "' with encoding '"
+ encoding
+ "': using platform default");
}
value = fileItem.getString();
}
} else {
value = fileItem.getString();
}
String[] curParam = (String[]) multipartParameters.get(fileItem.getFieldName());
if (curParam == null) {
// simple form field
multipartParameters.put(fileItem.getFieldName(), new String[] {value});
} else {
// array of simple form fields
String[] newParam = StringUtils.addStringToArray(curParam, value);
multipartParameters.put(fileItem.getFieldName(), newParam);
}
} else {
if (fileItem.getSize() > 0) {
// multipart file field
CommonsMultipartFile file = new CommonsMultipartFile(fileItem);
if (multipartFiles.put(fileItem.getName(), file) != null) { // CHANGED!!
throw new MultipartException(
"Multiple files for field name ["
+ file.getName()
+ "] found - not supported by MultipartResolver");
}
if (logger.isDebugEnabled()) {
logger.debug(
"Found multipart file ["
+ file.getName()
+ "] of size "
+ file.getSize()
+ " bytes with original filename ["
+ file.getOriginalFilename()
+ "], stored "
+ file.getStorageDescription());
}
}
}
}
return new MultipartParsingResult(multipartFiles, multipartParameters);
}