Example usage for javax.servlet ServletOutputStream println

Introduction

In this page you can find the example usage for javax.servlet ServletOutputStream println.

Prototype


public void println() throws IOException

Source Link

Document

Writes a carriage return-line feed (CRLF) to the client.

Usage

From source file:org.gss_project.gss.server.rest.Webdav.java

/**
 * Copy the contents of the specified input stream to the specified output
 * stream, and ensure that both streams are closed before returning (even in
 * the face of an exception).//from   www. jav  a2  s  .co  m
 *
 * @param file
 * @param ostream The output stream to write to
 * @param ranges Enumeration of the ranges the client wanted to retrieve
 * @param contentType Content type of the resource
 * @param req the HTTP request
 * @param oldBody the old version of the file, if requested
 * @exception IOException if an input/output error occurs
 * @throws RpcException
 * @throws InsufficientPermissionsException
 * @throws ObjectNotFoundException
 */
protected void copy(FileHeader file, ServletOutputStream ostream, Iterator ranges, String contentType,
        HttpServletRequest req, FileBody oldBody)
        throws IOException, ObjectNotFoundException, InsufficientPermissionsException, RpcException {
    IOException exception = null;
    User user = getUser(req);
    while (exception == null && ranges.hasNext()) {
        InputStream resourceInputStream = oldBody == null
                ? getService().getFileContents(user.getId(), file.getId())
                : getService().getFileContents(user.getId(), file.getId(), oldBody.getId());
        InputStream istream = new BufferedInputStream(resourceInputStream, input);
        Range currentRange = (Range) ranges.next();
        // Writing MIME header.
        ostream.println();
        ostream.println("--" + mimeSeparation);
        if (contentType != null)
            ostream.println("Content-Type: " + contentType);
        ostream.println("Content-Range: bytes " + currentRange.start + "-" + currentRange.end + "/"
                + currentRange.length);
        ostream.println();

        // Printing content
        exception = copyRange(istream, ostream, currentRange.start, currentRange.end);
        istream.close();
    }

    ostream.println();
    ostream.print("--" + mimeSeparation + "--");
    // Rethrow any exception that has occurred
    if (exception != null)
        throw exception;
}