private void setResponseHeader(
HttpServletResponse response, String uri, String transferEncoding) {
// LogUtil.logDebug( uri + ".Accept-Encoding: "+ transferEncoding);
String ext = null;
int dot = uri.lastIndexOf(".");
if (dot != -1) {
ext = uri.substring(dot + 1);
}
if (ext != null && ext.length() > 0) {
Integer expires = (Integer) expiresMap.get(ext);
if (expires != null) {
// LogUtil.logDebug( uri + ".Expires: "+ expires.intValue());
if (expires.intValue() > 0) {
response.setHeader("Cache-Control", "max-age=" + expires.intValue()); // HTTP 1.1
} else {
response.setHeader("Cache-Control", "no-cache");
response.setHeader("Pragma", "no-cache"); // HTTP 1.0
response.setDateHeader("Expires", expires.intValue());
}
}
}
}
/**
* This method handles PUT requests from the client. PUT requests will come from the applet
* portion of this application and are the way that images and other files can be posted to the
* server.
*
* @param request the HTTP request object
* @param response the HTTP response object
* @exception ServletException
* @exception IOException
*/
public void doPut(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
HttpSession session = request.getSession();
/*
* The Scan applet will zip all the files together to create a
* faster upload and to use just one server connection.
*/
ZipInputStream in = new ZipInputStream(request.getInputStream());
/*
* This will write all the files to a directory on the server.
*/
try {
try {
File file = new File("scan");
Document document = new Document();
PdfWriter.getInstance(document, new FileOutputStream(file));
document.open();
String fileSize = null;
while (true) {
ZipEntry entry = in.getNextEntry();
if (entry == null) {
break;
}
File f = File.createTempFile("translate", entry.getName());
FileOutputStream out = new FileOutputStream(f);
FileInputStream inStream = null;
try {
int read;
byte[] buf = new byte[2024];
while ((read = in.read(buf)) > 0) {
out.write(buf, 0, read);
}
out.close();
inStream = new FileInputStream(f);
System.out.println(entry.getSize());
byte[] b = new byte[inStream.available()];
inStream.read(b);
System.out.println(b.length);
com.itextpdf.text.Image image1 = com.itextpdf.text.Image.getInstance(b);
image1.scalePercent(30);
image1.setCompressionLevel(9);
document.add(image1);
} finally {
}
}
document.close();
// fileSize = CommonUtils.getFileSize(file);
// DocumentStoreLogDAO documentStoreLogDAO = new DocumentStoreLogDAO();
// DocumentStoreLog documentStoreLog = null;
// DocumentStoreLog documentStore =
// (DocumentStoreLog)session.getAttribute(CommonConstants.DOCUMENT_STORE_LOG);
// if(null != documentStore) {
// documentStore.setFileSize(fileSize);
// }
// Transaction tx = documentStoreLogDAO.getSession().getTransaction();
// tx.begin();
// documentStoreLogDAO.save(documentStore);
// tx.commit();
} catch (ZipException ze) {
/*
* We want to catch each sip exception separately because
* there is a possibility that we can read more files from
* the archive even if one of them is corrupted.
*/
ze.printStackTrace();
}
} catch (Exception e) {
e.printStackTrace();
} finally {
in.close();
}
/*
* Now that we have finished uploading the files
* we will send a reponse to the server indicating
* our success.
*/
response.setContentType(CONTENT_TYPE);
PrintWriter out = response.getWriter();
out.println("<html><head><title>ImageSrv</title></head></html>");
out.flush();
out.close();
response.setStatus(HttpServletResponse.SC_OK);
}
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
throws IOException, ServletException {
// 权限判断
StringBuffer sb = new StringBuffer();
String actionType = null;
String queryString = null;
String userid = null;
String isCanAccess = "1";
HttpServletRequest hrequest = (HttpServletRequest) request;
String strContext = hrequest.getContextPath();
if (request instanceof HttpServletRequest) {
// 获取用户信息
userid = (String) hrequest.getSession().getAttribute("AuthorizedUserID");
strContext = hrequest.getContextPath();
queryString = hrequest.getQueryString(); // 整个参数串
actionType = hrequest.getParameter("actionType"); // 一般操作
if (actionType == null) {
actionType = hrequest.getParameter("formSN"); // 针对查询的操作
if (actionType != null) {
actionType = "formSN=" + actionType;
}
} else {
actionType = "actionType=" + actionType;
}
}
if (actionType != null) { // 如果参数不为空，则判断权限，通过存储过程判断
DBConnectionManager dbManager = new DBConnectionManager();
CallableStatement cstmt = null;
Connection conn = null;
try {
conn = dbManager.getConnection();
String query = "{call pkg_security.userAccessFunction(?,?,?,?)}";
cstmt = conn.prepareCall(query);
cstmt.registerOutParameter(1, OracleTypes.VARCHAR);
cstmt.setString(2, userid);
cstmt.setString(3, actionType == null ? null : actionType.trim());
cstmt.setString(4, queryString == null ? null : queryString.trim());
cstmt.execute();
isCanAccess = cstmt.getString(1);
} catch (SQLException e) {
e.printStackTrace();
} finally {
try {
if (cstmt != null) {
cstmt.close();
}
} catch (Exception ex) {
if (conn != null)
try {
conn.close();
} catch (SQLException e1) {
e1.printStackTrace();
}
}
if (conn != null)
try {
conn.close();
} catch (SQLException e1) {
e1.printStackTrace();
}
}
}
// 如果没有权限，定位到提示页面。
if (!isCanAccess.equals("1")) {
HttpServletResponse out = (HttpServletResponse) response;
out.sendRedirect(strContext + "/common/erroraccess.jsp");
return;
} else {
// 汉字问题
HttpServletRequest httpRequest = (HttpServletRequest) request;
httpRequest.setCharacterEncoding(encoding);
// chain.doFilter(request, response);
// 压缩传输
HttpServletResponse httpResponse = (HttpServletResponse) response;
String uri = httpRequest.getRequestURI();
String transferEncoding = getGZIPEncoding((HttpServletRequest) request);
if (transferEncoding == null) {
setResponseHeader(httpResponse, uri, transferEncoding);
chain.doFilter(request, response);
} else {
if (!uri.endsWith("dd.xml")) // 不处理的有哪些??????
{
chain.doFilter(request, response);
} else {
System.out.println("FrameworkFilter:: Filter handle dd.xml");
setResponseHeader(httpResponse, uri, transferEncoding);
httpResponse.setHeader("Content-Encoding", transferEncoding);
GZIPEncodableResponse wrappedResponse =
new GZIPEncodableResponse((HttpServletResponse) response);
chain.doFilter(request, wrappedResponse);
wrappedResponse.flush();
}
}
}
// Pass control on to the next filter
// chain.doFilter(request, response);
}
public GZIPEncodableResponse(HttpServletResponse response) throws IOException {
super(response);
wrappedOut = new GZIPServletStream(response.getOutputStream());
}