public static void renderFile(
HttpServletResponse resp,
String filename,
InputStream cont_stream,
boolean showpic,
boolean ignorespace)
throws IOException {
if (cont_stream == null) return;
if (ignorespace) filename = filename.replace(" ", "");
if (!showpic)
resp.addHeader(
"Content-Disposition",
"attachment; filename=" + new String(filename.getBytes(), "iso8859-1"));
resp.setContentType(Mime.getContentType(filename));
ServletOutputStream os = resp.getOutputStream();
byte[] buf = new byte[1024];
int len = 0;
while ((len = cont_stream.read(buf)) != -1) {
os.write(buf, 0, len);
}
os.flush();
}
protected void service(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, java.io.IOException {
String p = req.getParameter("r");
if (p == null || (p = p.trim()).equals("")) {
String pi = req.getPathInfo();
return;
}
byte[] cont = res2cont.get(p);
if (cont != null) {
resp.setContentType(Mime.getContentType(p));
ServletOutputStream os = resp.getOutputStream();
os.write(cont);
os.flush();
return;
}
InputStream is = null;
try {
is = appCL.getResourceAsStream(p); // getInputStreamByPath(p) ;
if (is == null) {
is = new Object().getClass().getResourceAsStream(p);
if (is == null) return;
}
byte[] buf = new byte[1024];
ByteArrayOutputStream baos = new ByteArrayOutputStream();
int len;
while ((len = is.read(buf)) >= 0) {
baos.write(buf, 0, len);
}
cont = baos.toByteArray();
res2cont.put(p, cont);
resp.setContentType(Mime.getContentType(p));
ServletOutputStream os = resp.getOutputStream();
os.write(cont);
os.flush();
return;
} finally {
if (is != null) is.close();
}
}
public void close() throws IOException {
if (closed) {
throw new IOException("This output stream has already been closed");
}
gzipstream.finish();
byte[] bytes = baos.toByteArray();
response.addHeader("Content-Length", Integer.toString(bytes.length));
response.addHeader("Content-Encoding", "gzip");
output.write(bytes);
output.flush();
output.close();
closed = true;
}
/**
* return OutputStream of JasperReport object, this page could only be viewed from localhost for
* security concern. parameter can be (id), or (table and type)
*
* @param id - report id, or
* @param table - table name
* @param type - reporttype "s","l","o", case insensitive
* @param client(*) - client domain
* @param version - version number, default to -1
*/
public void process(HttpServletRequest request, HttpServletResponse response) throws Exception {
String clientName = request.getParameter("client");
int objectId = ParamUtils.getIntAttributeOrParameter(request, "id", -1);
if (objectId == -1) {
// try using table and type
objectId =
getReportId(clientName, request.getParameter("table"), request.getParameter("type"));
}
if (objectId == -1) {
logger.error("report not found, request is:" + Tools.toString(request));
throw new NDSException("report not found");
}
int version = ParamUtils.getIntAttributeOrParameter(request, "version", -1);
File reportXMLFile = new File(ReportTools.getReportFile(objectId, clientName));
if (reportXMLFile.exists()) {
// generate jasperreport if file not exists or not newer
String reportName =
reportXMLFile.getName().substring(0, reportXMLFile.getName().lastIndexOf("."));
File reportJasperFile = new File(reportXMLFile.getParent(), reportName + ".jasper");
if (!reportJasperFile.exists()
|| reportJasperFile.lastModified() < reportXMLFile.lastModified()) {
JasperCompileManager.compileReportToFile(
reportXMLFile.getAbsolutePath(), reportJasperFile.getAbsolutePath());
}
InputStream is = new FileInputStream(reportJasperFile);
response.setContentType("application/octetstream;");
response.setContentLength((int) reportJasperFile.length());
// response.setHeader("Content-Disposition","inline;filename=\""+reportJasperFile.getName()+"\"");
ServletOutputStream os = response.getOutputStream();
byte[] b = new byte[8192];
int bInt;
while ((bInt = is.read(b, 0, b.length)) != -1) {
os.write(b, 0, bInt);
}
is.close();
os.flush();
os.close();
} else {
throw new NDSException("Not found report template");
}
}
public static void renderFile(
HttpServletRequest req,
HttpServletResponse resp,
String filename,
byte[] file_cont,
boolean showpic,
Date lastmodify)
throws IOException {
if (file_cont == null) return;
// if(!showpic)
// resp.addHeader("Content-Disposition", "attachment;
// filename=\""+MimeUtility.encodeText(filename,"UTF-8",null)+"\"");
filename = filename.replace(" ", "");
if (!showpic)
resp.addHeader(
"Content-Disposition",
"attachment; filename=" + new String(filename.getBytes(), "iso8859-1"));
if (lastmodify != null) {
resp.setDateHeader("Last-Modified", lastmodify.getTime());
}
if (req != null) {
long l = req.getDateHeader("If-Modified-Since");
if (l > 0) {
if (lastmodify != null
&& lastmodify.getTime() / 1000 <= l / 1000) { // 由于文件系统的最后修改时间精确到秒,所以需要去除毫秒以便于计算
resp.setStatus(304);
return;
}
}
}
resp.setContentType(Mime.getContentType(filename));
ServletOutputStream os = resp.getOutputStream();
os.write(file_cont);
os.flush();
}
/**
* Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
Player player = ((Player) (request.getSession().getAttribute(CONFIG.PLAYERNAME)));
String uri = request.getRequestURI();
String file = uri.substring(uri.lastIndexOf("/") + 1);
String mima = file.substring(file.lastIndexOf(".") + 1).toLowerCase();
String type = null;
if (mima.equals("gif")) {
type = "gif";
}
if (mima.equals("jpg")) {
type = "jpg";
}
if (mima.equals("png")) {
type = "png";
}
if (type == null) {
System.out.println("Unrecognized image file type." + " - " + mima);
} else {
byte[] image = readImageFile.getContent(player, file);
if (image != null) {
response.setContentType(type);
ServletOutputStream out = response.getOutputStream();
try {
out.write(image);
} finally {
out.close();
}
} else {
System.out.println("NULL image");
}
}
}
public void service(ServletRequest request, ServletResponse response) {
int font;
pdflib p = null;
int i, blockcontainer, page;
String infile = "boilerplate.pdf";
/* This is where font/image/PDF input files live. Adjust as necessary.
*
* Note that this directory must also contain the LuciduxSans font
* outline and metrics files.
*/
String searchpath = "../data";
String[][] data = {
{"name", "Victor Kraxi"},
{"business.title", "Chief Paper Officer"},
{"business.address.line1", "17, Aviation Road"},
{"business.address.city", "Paperfield"},
{"business.telephone.voice", "phone +1 234 567-89"},
{"business.telephone.fax", "fax +1 234 567-98"},
{"business.email", "*****@*****.**"},
{"business.homepage", "www.kraxi.com"},
};
byte[] buf;
ServletOutputStream out;
try {
p = new pdflib();
// Generate a PDF in memory; insert a file name to create PDF on disk
if (p.begin_document("", "") == -1) {
throw new Exception("Error: " + p.get_errmsg());
}
/*Set the search path for fonts and PDF files */
p.set_parameter("SearchPath", searchpath);
p.set_info("Creator", "businesscard.java");
p.set_info("Author", "Thomas Merz");
p.set_info("Title", "PDFlib block processing sample (Java)");
blockcontainer = p.open_pdi(infile, "", 0);
if (blockcontainer == -1) {
throw new Exception("Error: " + p.get_errmsg());
}
page = p.open_pdi_page(blockcontainer, 1, "");
if (page == -1) {
throw new Exception("Error: " + p.get_errmsg());
}
p.begin_page_ext(20, 20, ""); // dummy page size
// This will adjust the page size to the block container's size.
p.fit_pdi_page(page, 0, 0, "adjustpage");
// Fill all text blocks with dynamic data
for (i = 0; i < (int) data.length; i++) {
if (p.fill_textblock(page, data[i][0], data[i][1], "embedding encoding=unicode") == -1) {
System.err.println("Warning: " + p.get_errmsg());
}
}
p.end_page_ext(""); // close page
p.close_pdi_page(page);
p.end_document(""); // close PDF document
p.close_pdi(blockcontainer);
buf = p.get_buffer();
response.setContentType("application/pdf");
response.setContentLength(buf.length);
out = response.getOutputStream();
out.write(buf);
out.close();
} catch (PDFlibException e) {
System.err.print("PDFlib exception occurred in businesscard sample:\n");
System.err.print(
"[" + e.get_errnum() + "] " + e.get_apiname() + ": " + e.get_errmsg() + "\n");
} catch (Exception e) {
System.err.println(e.getMessage());
} finally {
if (p != null) {
p.delete(); /* delete the PDFlib object */
}
}
}
