Java FileManagerFields类代码示例

import org.guvnor.common.services.shared.file.upload.FileManagerFields; //导入依赖的package包/类
/**
 * doGet acting like a dispatcher.
 */
protected void doGet(final HttpServletRequest request,
                     final HttpServletResponse response) throws ServletException, IOException {
    final String path = request.getParameter(FileManagerFields.FORM_FIELD_PATH);

    if (path != null) {
        processAttachmentDownload(path,
                                  request,
                                  response);
    } else {
        response.sendError(HttpServletResponse.SC_BAD_REQUEST);
    }
}
 

import org.guvnor.common.services.shared.file.upload.FileManagerFields; //导入依赖的package包/类
FileUpload createUploadWidget(boolean addFileUpload) {
    FileUpload up = new FileUpload(new org.uberfire.mvp.Command() {
        @Override
        public void execute() {
            uploadButtonClickHanlder.onClick(null);
        }
    },
                                   addFileUpload);
    up.setName(FileManagerFields.UPLOAD_FIELD_NAME_ATTACH);
    return up;
}
 

import org.guvnor.common.services.shared.file.upload.FileManagerFields; //导入依赖的package包/类
protected void doGet(final HttpServletRequest request,
                     final HttpServletResponse response) throws ServletException, IOException {
    final String uri = request.getParameter(FileManagerFields.FORM_FIELD_PATH);

    try {
        if (uri != null) {

            if (!validateAccess(new URI(uri),
                                response)) {
                return;
            }

            // Try to extract a meaningful name for the zip-file from the URI.
            int index = uri.lastIndexOf("@") + 1;
            if (index < 0) {
                index = 0;
            }
            String downLoadFileName = uri.substring(index);
            if (downLoadFileName.startsWith("/")) {
                downLoadFileName = downLoadFileName.substring(1);
            }
            if (downLoadFileName.endsWith("/")) {
                downLoadFileName = downLoadFileName.substring(0,
                                                              downLoadFileName.length() - 1);
            }
            downLoadFileName = downLoadFileName.replaceAll("/",
                                                           "_");

            final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();

            archiver.archive(outputStream,
                             uri);

            response.setContentType("application/zip");
            response.setHeader("Content-Disposition",
                               "attachment; filename=" + downLoadFileName + ".zip");

            response.setContentLength(outputStream.size());
            response.getOutputStream().write(outputStream.toByteArray());
            response.getOutputStream().flush();
        } else {
            response.sendError(HttpServletResponse.SC_BAD_REQUEST);
        }
    } catch (URISyntaxException e) {
        response.sendError(HttpServletResponse.SC_BAD_REQUEST);
    }
}
 

import org.guvnor.common.services.shared.file.upload.FileManagerFields; //导入依赖的package包/类
/**
 * Get the form data from the inbound request.
 */
@SuppressWarnings("rawtypes")
private FormData getFormData(final HttpServletRequest request) throws IOException {
    final FileItemFactory factory = new DiskFileItemFactory();
    final ServletFileUpload upload = new ServletFileUpload(factory);
    upload.setHeaderEncoding("UTF-8");

    //See https://code.google.com/p/google-web-toolkit/issues/detail?id=4682
    request.setCharacterEncoding("UTF-8");

    final FormData data = new FormData();
    try {
        final List items = upload.parseRequest(request);
        final Iterator it = items.iterator();

        FileOperation operation = null;
        String fileName = null;
        String contextPath = null;
        String fullPath = null;

        while (it.hasNext()) {
            final FileItem item = (FileItem) it.next();
            if (!item.isFormField()) {
                data.setFile(item);
            } else if (item.getFieldName().equals(FileManagerFields.FORM_FIELD_PATH)) {
                contextPath = item.getString("UTF-8");
                log.debug("path:" + contextPath);
            } else if (item.getFieldName().equals(FileManagerFields.FORM_FIELD_NAME)) {
                fileName = item.getString("UTF-8");
                log.debug("name:" + fileName);
            } else if (item.getFieldName().equals(FileManagerFields.FORM_FIELD_FULL_PATH)) {
                fullPath = item.getString("UTF-8");
                log.debug("full path:" + fullPath);
            } else if (item.getFieldName().equals(FileManagerFields.FORM_FIELD_OPERATION)) {
                operation = FileOperation.valueOf(item.getString("UTF-8"));
                log.debug("operation:" + operation);
            }
        }

        if (operation == null) {
            throw new IllegalArgumentException("FORM_FIELD_OPERATION is null. Cannot process upload.");
        }

        org.uberfire.java.nio.file.Path path;
        switch (operation) {
            case CREATE:
                if (fileName == null) {
                    throw new IllegalArgumentException("FORM_FIELD_NAME is null. Cannot process upload.");
                }
                if (contextPath == null) {
                    throw new IllegalArgumentException("FORM_FIELD_PATH is null. Cannot process upload.");
                }
                data.setOperation(operation);
                data.setTargetPath(convertPath(fileName,
                                               contextPath));
                break;
            case UPDATE:
                if (fullPath == null) {
                    throw new IllegalArgumentException("FORM_FIELD_FULL_PATH is null. Cannot process upload.");
                }
                data.setOperation(operation);
                data.setTargetPath(convertPath(fullPath));
        }

        return data;
    } catch (Exception e) {
        throw new org.uberfire.java.nio.IOException(e.getMessage());
    }
}
 

import org.guvnor.common.services.shared.file.upload.FileManagerFields; //导入依赖的package包/类
public static String getDownloadUrl( final Path path,
                                     final String clientId ) {
    return URLHelper.getServletUrl( clientId ) + "&" + FileManagerFields.FORM_FIELD_PATH + "=" + URL.encode( path.toURI() );
}
 

import org.guvnor.common.services.shared.file.upload.FileManagerFields; //导入依赖的package包/类
public static String getDownloadUrl( final Path path ) {
    final StringBuilder sb = new StringBuilder( URLHelper.getServletUrl() );
    sb.append( "?" ).append( FileManagerFields.FORM_FIELD_PATH ).append( "=" ).append( URL.encode(path.toURI()) );
    return sb.toString();
}