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;
}
public static void renderXormFile(
HttpServletRequest req,
HttpServletResponse resp,
Class xormc,
String xormprop,
long pkid,
String filename,
boolean showpic,
Date lastmodify)
throws ClassNotFoundException, Exception {
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); // not modify
return;
}
}
}
GDB g = GDB.getInstance();
long filelen = g.getXORMFileContLength(xormc, xormprop, pkid);
if (filelen < 0) return;
resp.setContentLength((int) filelen);
resp.setContentType(Mime.getContentType(filename));
ServletOutputStream os = resp.getOutputStream();
GDB.getInstance().loadXORMFileContToOutputStream(xormc, xormprop, pkid, os);
os.flush();
}
/**
* 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();
}
