/**
* Convert a String in xs:anyURI to an xs:base64Binary.
*
* <p>The URI has to be a URL. It is read entirely
*/
public static String anyURIToBase64Binary(String value) {
InputStream is = null;
try {
// Read from URL and convert to Base64
is = URLFactory.createURL(value).openStream();
final StringBuffer sb = new StringBuffer();
XMLUtils.inputStreamToBase64Characters(
is,
new ContentHandlerAdapter() {
public void characters(char ch[], int start, int length) {
sb.append(ch, start, length);
}
});
// Return Base64 String
return sb.toString();
} catch (IOException e) {
throw new OXFException(e);
} finally {
if (is != null) {
try {
is.close();
} catch (IOException e) {
throw new OXFException(e);
}
}
}
}
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
super.doPost(request, response);
try {
if (!ServletFileUpload.isMultipartContent(request)) {
response.sendError(HttpServletResponse.SC_BAD_REQUEST);
return;
}
ServletFileUpload sfU = new ServletFileUpload();
FileItemIterator items = sfU.getItemIterator(request);
while (items.hasNext()) {
FileItemStream item = items.next();
if (!item.isFormField()) {
InputStream stream = item.openStream();
Document doc = editor.toDocument(stream);
stream.close();
handleDocument(request, response, doc);
return;
}
}
response.sendError(HttpServletResponse.SC_BAD_REQUEST, "No XML uploaded");
} catch (FileUploadException fuE) {
response.sendError(HttpServletResponse.SC_BAD_REQUEST, fuE.getMessage());
} catch (JDOMException jE) {
response.sendError(HttpServletResponse.SC_BAD_REQUEST, jE.getMessage());
}
}
public static String readURIToLocalURI(String uri) throws URISyntaxException, IOException {
final PipelineContext pipelineContext =
StaticExternalContext.getStaticContext().getPipelineContext();
final URLConnection urlConnection = new URI(uri).toURL().openConnection();
InputStream inputStream = null;
try {
inputStream = urlConnection.getInputStream();
return inputStreamToAnyURI(pipelineContext, inputStream, REQUEST_SCOPE);
} finally {
if (inputStream != null) inputStream.close();
}
}
/**
* Read a URI into a byte array.
*
* @param uri URI to read
* @return byte array
*/
public static byte[] uriToByteArray(String uri) {
InputStream is = null;
try {
is = new URI(uri).toURL().openStream();
return inputStreamToByteArray(is);
} catch (Exception e) {
throw new OXFException(e);
} finally {
try {
if (is != null) is.close();
} catch (IOException e) {
throw new OXFException(e);
}
}
}
public static void anyURIToOutputStream(String value, OutputStream outputStream) {
InputStream is = null;
try {
is = URLFactory.createURL(value).openStream();
copyStream(is, outputStream);
} catch (IOException e) {
throw new OXFException(e);
} finally {
if (is != null) {
try {
is.close();
} catch (IOException e) {
throw new OXFException(e);
}
}
}
}
/**
* Convert a URI to a FileItem.
*
* <p>The implementation creates a temporary file. The PipelineContext is required so that the
* file can be deleted when no longer used.
*/
public static FileItem anyURIToFileItem(PipelineContext pipelineContext, String uri, int scope) {
InputStream inputStream = null;
try {
inputStream = new URI(uri).toURL().openStream();
// Get FileItem
return prepareFileItemFromInputStream(pipelineContext, inputStream, scope);
} catch (Exception e) {
throw new OXFException(e);
} finally {
try {
if (inputStream != null) inputStream.close();
} catch (IOException e) {
throw new OXFException(e);
}
}
}
/**
* Get the last modification date of a URL.
*
* @return last modified timestamp "as is"
*/
public static long getLastModified(URL url) throws IOException {
if ("file".equals(url.getProtocol())) {
// Optimize file: access. Also, this prevents throwing an exception if the file doesn't exist
// as we try to close the stream below.
return new File(URLDecoder.decode(url.getFile(), STANDARD_PARAMETER_ENCODING)).lastModified();
} else {
// Use URLConnection
final URLConnection urlConnection = url.openConnection();
if (urlConnection instanceof HttpURLConnection)
((HttpURLConnection) urlConnection).setRequestMethod("HEAD");
try {
return getLastModified(urlConnection);
} finally {
final InputStream is = urlConnection.getInputStream();
if (is != null) is.close();
}
}
}
/**
* Utility method to decode a multipart/fomr-data stream and return a Map of parameters of type
* Object[], each of which can be a String or FileData.
*/
public static Map<String, Object[]> getParameterMapMultipart(
PipelineContext pipelineContext,
final ExternalContext.Request request,
String headerEncoding) {
final Map<String, Object[]> uploadParameterMap = new HashMap<String, Object[]>();
try {
// Setup commons upload
// Read properties
// NOTE: We use properties scoped in the Request generator for historical reasons. Not too
// good.
int maxSize = RequestGenerator.getMaxSizeProperty();
int maxMemorySize = RequestGenerator.getMaxMemorySizeProperty();
final DiskFileItemFactory diskFileItemFactory =
new DiskFileItemFactory(maxMemorySize, SystemUtils.getTemporaryDirectory());
final ServletFileUpload upload =
new ServletFileUpload(diskFileItemFactory) {
protected FileItem createItem(Map headers, boolean isFormField)
throws FileUploadException {
if (isFormField) {
// Handle externalized values
final String externalizeFormValuesPrefix =
org.orbeon.oxf.properties.Properties.instance()
.getPropertySet()
.getString(ServletExternalContext.EXTERNALIZE_FORM_VALUES_PREFIX_PROPERTY);
final String fieldName = getFieldName(headers);
if (externalizeFormValuesPrefix != null
&& fieldName.startsWith(externalizeFormValuesPrefix)) {
// In this case, we do as if the value content is an uploaded file so that it can
// be externalized
return super.createItem(headers, false);
} else {
// Just create the FileItem using the default way
return super.createItem(headers, isFormField);
}
} else {
// Just create the FileItem using the default way
return super.createItem(headers, isFormField);
}
}
};
upload.setHeaderEncoding(headerEncoding);
upload.setSizeMax(maxSize);
// Add a listener to destroy file items when the pipeline context is destroyed
pipelineContext.addContextListener(
new PipelineContext.ContextListenerAdapter() {
public void contextDestroyed(boolean success) {
for (final String name : uploadParameterMap.keySet()) {
final Object values[] = uploadParameterMap.get(name);
for (final Object currentValue : values) {
if (currentValue instanceof FileItem) {
final FileItem fileItem = (FileItem) currentValue;
fileItem.delete();
}
}
}
}
});
// Wrap and implement just the required methods for the upload code
final InputStream inputStream;
try {
inputStream = request.getInputStream();
} catch (IOException e) {
throw new OXFException(e);
}
final RequestContext requestContext =
new RequestContext() {
public int getContentLength() {
return request.getContentLength();
}
public InputStream getInputStream() {
// NOTE: The upload code does not actually check that it doesn't read more than the
// content-length
// sent by the client! Maybe here would be a good place to put an interceptor and make
// sure we
// don't read too much.
return new InputStream() {
public int read() throws IOException {
return inputStream.read();
}
};
}
public String getContentType() {
return request.getContentType();
}
public String getCharacterEncoding() {
return request.getCharacterEncoding();
}
};
// Parse the request and add file information
try {
for (Object o : upload.parseRequest(requestContext)) {
final FileItem fileItem = (FileItem) o;
// Add value to existing values if any
if (fileItem.isFormField()) {
// Simple form field
// Assume that form fields are in UTF-8. Can they have another encoding? If so, how is
// it specified?
StringUtils.addValueToObjectArrayMap(
uploadParameterMap,
fileItem.getFieldName(),
fileItem.getString(STANDARD_PARAMETER_ENCODING));
} else {
// File
StringUtils.addValueToObjectArrayMap(
uploadParameterMap, fileItem.getFieldName(), fileItem);
}
}
} catch (FileUploadBase.SizeLimitExceededException e) {
// Should we do something smart so we can use the Presentation
// Server error page anyway? Right now, this is going to fail
// miserably with an error.
throw e;
} catch (UnsupportedEncodingException e) {
// Should not happen
throw new OXFException(e);
} finally {
// Close the input stream; if we don't nobody does, and if this stream is
// associated with a temporary file, that file may resist deletion
if (inputStream != null) {
try {
inputStream.close();
} catch (IOException e) {
throw new OXFException(e);
}
}
}
return uploadParameterMap;
} catch (FileUploadException e) {
throw new OXFException(e);
}
}
public static void copyStream(InputStream is, OutputStream os) throws IOException {
int count;
byte[] buffer = new byte[1024];
while ((count = is.read(buffer)) > 0) os.write(buffer, 0, count);
}
/**
* 文件的上传服务
*
* @param request
* @return
* @throws FileUploadException
* @throws IOException
*/
public FileRepository uploadFile(HttpServletRequest request)
throws FileUploadException, IOException {
boolean isMultipartContent = ServletFileUpload.isMultipartContent(request);
FileRepository fileRepository = null;
if (isMultipartContent) {
FileItemFactory factory = new DiskFileItemFactory();
ServletFileUpload upload = new ServletFileUpload(factory);
List<FileItem> items = upload.parseRequest(request);
for (Iterator<FileItem> iterator = items.iterator(); iterator.hasNext(); ) {
FileItem item = iterator.next();
InputStream inputStream = item.getInputStream();
// 获得文件名
String fileName = item.getName();
String fileExtension = FileUtil.getFileExtension(fileName);
// 获得文件的Extension类型
MimeTypeExtension mimeTypeExtension =
mimeTypeExtensionService.findByMimeTypeExtensionName(fileExtension);
fileRepository = new FileRepository();
FixEntityUtil.fixEntity(fileRepository);
String fileRepoId = fileRepository.getId();
fileRepository.setMimeTypeExtensionName(fileExtension);
if (mimeTypeExtension.getMimeType() != null) {
fileRepository.setMimeTypeName(mimeTypeExtension.getMimeType().getMimeTypeName());
}
fileRepository.setFileName(fileName);
String datePath = new SimpleDateFormat("yyyy/MM/dd").format(new Date());
String saveFilePath = Config.UPLOAD_FILE_PATH + "/" + datePath + "/";
File file = new File(saveFilePath);
if (!file.exists()) {
file.mkdirs();
}
file = new File(saveFilePath + fileRepoId + ".xzsoft");
ByteArrayOutputStream out = new ByteArrayOutputStream();
int byteRead = 0;
byte[] buffer = new byte[8192];
while ((byteRead = inputStream.read(buffer, 0, 8192)) != -1) {
out.write(buffer, 0, byteRead);
}
inputStream.close();
// 将上传的文件变Base64加密过的字符串
String content = Base64.encode(out.toByteArray());
out.close();
// 将加密过后的数据存储到硬盘中
FileWriter fileWriter = new FileWriter(file);
BufferedWriter bw = new BufferedWriter(fileWriter);
bw.write(content);
bw.flush();
fileWriter.flush();
bw.close();
fileWriter.close();
}
} else {
throw new NotMultipartRequestException("上传的文件里面没有Multipart内容");
}
return fileRepository;
}
