I have problem, I need to know how to input data form JSP to servlet PDF.
Now, I can set PDF. I have source code.
PDFServlet.java
package pdfservlet;
import javax.servlet.*;
import javax.servlet.http.*;
import java.util.*;
import java.io.ByteArrayOutputStream;
import java.io.PrintWriter;
// import the iText packages
import com.lowagie.text.*;
import com.lowagie.text.pdf.*;
/**
*
* a servlet that will generate a PDF document
* and send the document to the client via the
* ServletOutputStream
*
* @author Sean C. Sullivan
*
*/
public class PDFServlet extends HttpServlet
{
/**
*
*
*/
public PDFServlet()
{
super();
}
/**
*
*
* we implement doGet so that this servlet will process all
* HTTP GET requests
*
* @param req HTTP request object
* @param resp HTTP response object
*
*/
public void doGet(HttpServletRequest req, HttpServletResponse resp)
throws javax.servlet.ServletException, java.io.IOException
{
DocumentException ex = null;
ByteArrayOutputStream baosPDF = null;
try
{
baosPDF = generatePDFDocumentBytes(req, this.getServletContext());
StringBuffer sbFilename = new StringBuffer();
sbFilename.append("filename_");
sbFilename.append(System.currentTimeMillis());
sbFilename.append(".pdf");
////////////////////////////////////////////////////////
// Note:
//
// It is important to set the HTTP response headers
// before writing data to the servlet's OutputStream
//
////////////////////////////////////////////////////////
//
//
// Read the HTTP 1.1 specification for full details
// about the Cache-Control header
//
resp.setHeader("Cache-Control", "max-age=30");
resp.setContentType("application/pdf");
//
//
// The Content-disposition header is explained
// in RFC 2183
//
// http://www.ietf.org/rfc/rfc2183.txt
//
// The Content-disposition value will be in one of
// two forms:
//
// 1) inline; filename=foobar.pdf
// 2) attachment; filename=foobar.pdf
//
// In this servlet, we use "inline"
//
StringBuffer sbContentDispValue = new StringBuffer();
sbContentDispValue.append("inline");
sbContentDispValue.append("; filename=");
sbContentDispValue.append(sbFilename);
resp.setHeader(
"Content-disposition",
sbContentDispValue.toString());
resp.setContentLength(baosPDF.size());
ServletOutputStream sos;
sos = resp.getOutputStream();
baosPDF.writeTo(sos);
sos.flush();
}
catch (DocumentException dex)
{
resp.setContentType("text/html; charSet=TIS620");
PrintWriter writer = resp.getWriter();
writer.println("<meta http-equiv='Content-Type' content='text/html; charset=TIS-620'>");
writer.println("������ ������");
writer.println(
this.getClass().getName()
+ " 111111111111111110000000000000000 ����� "
+ dex.getClass().getName()
+ "<br>");
writer.println("<pre>");
dex.printStackTrace(writer);
writer.println("</pre>");
}
finally
{
if (baosPDF != null)
{
baosPDF.reset();
}
}
}
/**
*
* @param req must be non-null
*
* @return a non-null output stream. The output stream contains
* the bytes for the PDF document
*
* @throws DocumentException
*
*/
protected ByteArrayOutputStream generatePDFDocumentBytes(
final HttpServletRequest req,
final ServletContext ctx)
throws DocumentException
{
Document doc = new Document();
ByteArrayOutputStream baosPDF = new ByteArrayOutputStream();
PdfWriter docWriter = null;
try
{
docWriter = PdfWriter.getInstance(doc, baosPDF);
doc.addAuthor(this.getClass().getName());
doc.addCreationDate();
doc.addProducer();
doc.addCreator(this.getClass().getName());
doc.addTitle("This is a title.");
doc.addKeywords("pdf, itext, Java, open source, http");
doc.setPageSize(PageSize.LETTER);
String omyEname="123jsjjˡˡ�";
//String myEname = new String(omyEname.getBytes('ISO8859_1'),'TIS-620');
//String myEname = new String(.getString ("fdfd�ˡˡˡ�").getBytes("ISO8859_1"),"TIS-620");
HeaderFooter footer = new HeaderFooter(
new Phrase("dsdsd�ˡˡomyEname."),
false);
doc.setFooter(footer);
doc.open();
doc.add(new Paragraph(
"This document was created by a class named: "
+ this.getClass().getName()));
doc.add(new Paragraph(
"This document was created on "
+ new java.util.Date()));
String strServerInfo = ctx.getServerInfo();
if (strServerInfo != null)
{
doc.add(new Paragraph(
"Servlet engine: " + strServerInfo));
}
doc.add(new Paragraph(
"This is a multi-page document."));
doc.add( makeGeneralRequestDetailsElement(req) );
doc.newPage();
doc.add( makeHTTPHeaderInfoElement(req) );
doc.newPage();
doc.add( makeHTTPParameterInfoElement(req) );
}
catch (DocumentException dex)
{
baosPDF.reset();
throw dex;
}
finally
{
if (doc != null)
{
doc.close();
}
if (docWriter != null)
{
docWriter.close();
}
}
if (baosPDF.size() < 1)
{
throw new DocumentException(
"document has "
+ baosPDF.size()
+ " bytes");
}
return baosPDF;
}
/**
*
* @param req HTTP request object
* @return an iText Element object
*
*/
protected Element makeHTTPHeaderInfoElement(final HttpServletRequest req)
{
Map mapHeaders = new java.util.TreeMap();
Enumeration enumHeaderNames = req.getHeaderNames();
while (enumHeaderNames.hasMoreElements())
{
String strHeaderName = (String) enumHeaderNames.nextElement();
String strHeaderValue = req.getHeader(strHeaderName);
if (strHeaderValue == null)
{
strHeaderValue = "";
}
mapHeaders.put(strHeaderName, strHeaderValue);
}
Table tab = makeTableFromMap(
"HTTP header name",
"HTTP header value",
mapHeaders);
return (Element) tab;
}
/**
*
* @param req HTTP request object
* @return an iText Element object
*
*/
protected Element makeGeneralRequestDetailsElement(
final HttpServletRequest req)
{
Map mapRequestDetails = new TreeMap();
mapRequestDetails.put("Scheme", req.getScheme());
mapRequestDetails.put("HTTP method", req.getMethod());
mapRequestDetails.put("AuthType", req.getAuthType());
mapRequestDetails.put("QueryString", req.getQueryString());
mapRequestDetails.put("ContextPath", req.getContextPath());
mapRequestDetails.put("Request URI", req.getRequestURI());
mapRequestDetails.put("Protocol", req.getProtocol());
mapRequestDetails.put("Remote address", req.getRemoteAddr());
mapRequestDetails.put("Remote host", req.getRemoteHost());
mapRequestDetails.put("Server name", req.getServerName());
mapRequestDetails.put("Server port", "" + req.getServerPort());
mapRequestDetails.put("Preferred locale", req.getLocale().toString());
Table tab = null;
tab = makeTableFromMap(
"Request info",
"Value",
mapRequestDetails);
return (Element) tab;
}
/**
*
*
* @param req HTTP request object
* @return an iText Element object
*
*/
protected Element makeHTTPParameterInfoElement(
final HttpServletRequest req)
{
Map mapParameters = null;
mapParameters = new java.util.TreeMap(req.getParameterMap());
Table tab = null;
tab = makeTableFromMap(
"HTTP parameter name",
"HTTP parameter value",
mapParameters);
return (Element) tab;
}
/**
*
* @param firstColumnTitle
* @param secondColumnTitle
* @param m map containing the data for column 1 and column 2
*
* @return an iText Table
*
*/
private static Table makeTableFromMap(
final String firstColumnTitle,
final String secondColumnTitle,
final java.util.Map m)
{
Table tab = null;
try
{
tab = new Table(2 /* columns */);
}
catch (BadElementException ex)
{
throw new RuntimeException(ex);
}
tab.setBorderWidth(1.0f);
tab.setPadding(5);
tab.setSpacing(5);
tab.addCell(new Cell(firstColumnTitle));
tab.addCell(new Cell(secondColumnTitle));
tab.endHeaders();
if (m.keySet().size() == 0)
{
Cell c = new Cell("none");
c.setColspan(tab.columns());
tab.addCell(c);
}
else
{
Iterator iter = m.keySet().iterator();
while (iter.hasNext())
{
String strName = (String) iter.next();
Object value = m.get(strName);
String strValue = null;
if (value == null)
{
strValue = "";
}
else if (value instanceof String[])
{
String[] aValues = (String[]) value;
strValue = aValues[0];
}
else
{
strValue = value.toString();
}
tab.addCell(new Cell(strName));
tab.addCell(new Cell(strValue));
}
}
return tab;
}
}
and I have formServlet.jsp
<%@ page contentType="text/html; charset=windows-874" language="java" import="java.sql.*" errorPage="" %>
<HTML>
<HEAD>
<TITLE>A Sample FORM using POST</TITLE>
</HEAD>
<BODY BGCOLOR="#FDF5E6">
<H1 ALIGN="CENTER">A Sample FORM using POST</H1>
<FORM ACTION=""
METHOD="POST">
Item Number:
<INPUT TYPE="TEXT" NAME="itemNum"><BR>
Quantity:
<INPUT TYPE="TEXT" NAME="quantity"><BR>
Price Each:
<INPUT TYPE="TEXT" NAME="price" VALUE="$"><BR>
<HR>
<p>First-Name:
<INPUT TYPE="TEXT" NAME="first">
<BR>
Last-Name:
<INPUT TYPE="TEXT" NAME="lastName">
<BR>
Middle :
<INPUT TYPE="TEXT" NAME="initial">
</p>
<p>
à¾Å§â»Ã´
<INPUT TYPE="TEXT" NAME="song">
<BR>
Shipping Address:
<TEXTAREA NAME="address" ROWS=3 COLS=40></TEXTAREA>
<BR>
Card Credit:<BR>
<INPUT TYPE="RADIO" NAME="cardType"
VALUE="Visa">
Visa<BR>
<INPUT TYPE="RADIO" NAME="cardType"
VALUE="Master Card">
Master Card<BR>
<INPUT TYPE="RADIO" NAME="cardType"
VALUE="Amex">
American Express<BR>
<INPUT TYPE="RADIO" NAME="cardType"
VALUE="Discover">
Discover<BR>
<INPUT TYPE="RADIO" NAME="cardType"
VALUE="Java SmartCard">
Java SmartCard<BR>
Credit Card Number:
<INPUT TYPE="PASSWORD" NAME="cardNum">
<BR>
Repeat Credit Card Number:
<INPUT TYPE="PASSWORD" NAME="cardNum">
<BR>
<BR>
</p>
<CENTER>
<INPUT TYPE="SUBMIT" VALUE="Submit Order">
</CENTER>
</FORM>
</BODY>
</HTML>
Thank you very much,
from
sad Girl
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