*Contact.java*
import java.io.InputStream;
import org.apache.tapestry5.StreamResponse;
import com.kids.crm.reports.pdf.PDFGenerator;
import com.kids.crm.reports.pdf.PDFStreamResponse;
public class Contact
{
public StreamResponse onSubmit() {
// Create PDF
InputStream is = PDFGenerator.generatePDF("This is the content of a
Dynamically Generated PDF");
// Return response
return new PDFStreamResponse(is,"MyDynamicSample");
}
}
*Contact.tml*
<html t:type="layout" title="Contact com.kids.crm"
xmlns:t="http://tapestry.apache.org/schema/tapestry_5_1_0.xsd";
xmlns:p="tapestry:parameter">
<p>Contact com.kids.crm ...</p>
<t:form t:id="doReportsForm" action="reportsForm" target="_blank">
<t:submit t:id="onSubmit" name="Run Report" value="Run Report" />
</t:form>
</html>
PDFGenerator.java
package com.kids.crm.reports.pdf;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.pdf.PdfWriter;
public class PDFGenerator {
public static InputStream generatePDF(String teststring) {
// step 1: creation of a document-object
Document document = new Document();
System.out.println("\n\n\n\n\ntold ya 1\n\n\n\n");
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try {
// step 2:
// we create a writer that listens to the document
// and directs a PDF-stream to a file
PdfWriter writer = PdfWriter.getInstance(document,
baos);
// step 3: we open the document
document.open();
// step 4: we add a paragraph to the document
document.add(new Paragraph(teststring));
} catch (DocumentException de) {
System.err.println(de.getMessage());
}
// step 5: we close the document
document.close();
ByteArrayInputStream bais = new
ByteArrayInputStream(baos.toByteArray());
return bais;
}
}
*PDFStreamResponse.java*
package com.kids.crm.reports.pdf;
import java.io.IOException;
import java.io.InputStream;
import org.apache.tapestry5.StreamResponse;
import org.apache.tapestry5.services.Response;
public class PDFStreamResponse implements StreamResponse{
private InputStream is;
private String filename="default";
public PDFStreamResponse(InputStream is, String... args) {
this.is = is;
if (args != null) {
this.filename = args[0];
}
}
public String getContentType() {
return "application/pdf";
}
public InputStream getStream() throws IOException {
return is;
}
public void prepareResponse(Response arg0) {
arg0.setHeader("Content-Disposition", "attachment; filename="
+ filename + ".pdf");
}
}
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