How to merge multiple pdf files (generated on run time) through ItextSharp then printing them.
I found the following link but that method requires the pdf names considering that the pdf files stored and this is not my case .
I have multiple reports i'll convert them to pdf files through this method :
private void AddReportToResponse(LocalReport followsReport)
{
string mimeType;
string encoding;
string extension;
string[] streams = new string[100];
Warning[] warnings = new Warning[100];
byte[] pdfStream = followsReport.Render("PDF", "", out mimeType, out encoding, out extension, out streams, out warnings);
//Response.Clear();
//Response.ContentType = mimeType;
//Response.AddHeader("content-disposition", "attachment; filename=Application." + extension);
//Response.BinaryWrite(pdfStream);
//Response.End();
}
Now i want to merge all those generated files (Bytes) in one pdf file to print it
If you want to merge source documents using iText(Sharp), there are two basic situations:
You really want to merge the documents, acquiring the pages in their original format, transfering as much of their content and their interactive annotations as possible. In this case you should use a solution based on a member of the Pdf*Copy* family of classes.
You actually want to integrate pages from the source documents into a new document but want the new document to govern the general format and don't care for the interactive features (annotations...) in the original documents (or even want to get rid of them). In this case you should use a solution based on the PdfWriter class.
You can find details in chapter 6 (especially section 6.4) of iText in Action — 2nd Edition. The Java sample code can be accessed here and the C#'ified versions here.
A simple sample using PdfCopy is Concatenate.java / Concatenate.cs. The central piece of code is:
byte[] mergedPdf = null;
using (MemoryStream ms = new MemoryStream())
{
using (Document document = new Document())
{
using (PdfCopy copy = new PdfCopy(document, ms))
{
document.Open();
for (int i = 0; i < pdf.Count; ++i)
{
PdfReader reader = new PdfReader(pdf[i]);
// loop over the pages in that document
int n = reader.NumberOfPages;
for (int page = 0; page < n; )
{
copy.AddPage(copy.GetImportedPage(reader, ++page));
}
}
}
}
mergedPdf = ms.ToArray();
}
Here pdf can either be defined as a List<byte[]> immediately containing the source documents (appropriate for your use case of merging intermediate in-memory documents) or as a List<String> containing the names of source document files (appropriate if you merge documents from disk).
An overview at the end of the referenced chapter summarizes the usage of the classes mentioned:
PdfCopy: Copies pages from one or more existing PDF documents. Major downsides: PdfCopy doesn’t detect redundant content, and it fails when concatenating forms.
PdfCopyFields: Puts the fields of the different forms into one form. Can be used to avoid the problems encountered with form fields when concatenating forms using PdfCopy. Memory use can be an issue.
PdfSmartCopy: Copies pages from one or more existing PDF documents. PdfSmartCopy is able to detect redundant content, but it needs more memory and CPU than PdfCopy.
PdfWriter: Generates PDF documents from scratch. Can import pages from other PDF documents. The major downside is that all interactive features of the imported page (annotations, bookmarks, fields, and so forth) are lost in the process.
I used iTextsharp with c# to combine pdf files. This is the code I used.
string[] lstFiles=new string[3];
lstFiles[0]=#"C:/pdf/1.pdf";
lstFiles[1]=#"C:/pdf/2.pdf";
lstFiles[2]=#"C:/pdf/3.pdf";
PdfReader reader = null;
Document sourceDocument = null;
PdfCopy pdfCopyProvider = null;
PdfImportedPage importedPage;
string outputPdfPath=#"C:/pdf/new.pdf";
sourceDocument = new Document();
pdfCopyProvider = new PdfCopy(sourceDocument, new System.IO.FileStream(outputPdfPath, System.IO.FileMode.Create));
//Open the output file
sourceDocument.Open();
try
{
//Loop through the files list
for (int f = 0; f < lstFiles.Length-1; f++)
{
int pages =get_pageCcount(lstFiles[f]);
reader = new PdfReader(lstFiles[f]);
//Add pages of current file
for (int i = 1; i <= pages; i++)
{
importedPage = pdfCopyProvider.GetImportedPage(reader, i);
pdfCopyProvider.AddPage(importedPage);
}
reader.Close();
}
//At the end save the output file
sourceDocument.Close();
}
catch (Exception ex)
{
throw ex;
}
private int get_pageCcount(string file)
{
using (StreamReader sr = new StreamReader(File.OpenRead(file)))
{
Regex regex = new Regex(#"/Type\s*/Page[^s]");
MatchCollection matches = regex.Matches(sr.ReadToEnd());
return matches.Count;
}
}
Here is some code I pulled out of an old project I had. It was a web application but I was using iTextSharp to merge pdf files then print them.
public static class PdfMerger
{
/// <summary>
/// Merge pdf files.
/// </summary>
/// <param name="sourceFiles">PDF files being merged.</param>
/// <returns></returns>
public static byte[] MergeFiles(List<Stream> sourceFiles)
{
Document document = new Document();
MemoryStream output = new MemoryStream();
try
{
// Initialize pdf writer
PdfWriter writer = PdfWriter.GetInstance(document, output);
writer.PageEvent = new PdfPageEvents();
// Open document to write
document.Open();
PdfContentByte content = writer.DirectContent;
// Iterate through all pdf documents
for (int fileCounter = 0; fileCounter < sourceFiles.Count; fileCounter++)
{
// Create pdf reader
PdfReader reader = new PdfReader(sourceFiles[fileCounter]);
int numberOfPages = reader.NumberOfPages;
// Iterate through all pages
for (int currentPageIndex = 1; currentPageIndex <=
numberOfPages; currentPageIndex++)
{
// Determine page size for the current page
document.SetPageSize(
reader.GetPageSizeWithRotation(currentPageIndex));
// Create page
document.NewPage();
PdfImportedPage importedPage =
writer.GetImportedPage(reader, currentPageIndex);
// Determine page orientation
int pageOrientation = reader.GetPageRotation(currentPageIndex);
if ((pageOrientation == 90) || (pageOrientation == 270))
{
content.AddTemplate(importedPage, 0, -1f, 1f, 0, 0,
reader.GetPageSizeWithRotation(currentPageIndex).Height);
}
else
{
content.AddTemplate(importedPage, 1f, 0, 0, 1f, 0, 0);
}
}
}
}
catch (Exception exception)
{
throw new Exception("There has an unexpected exception" +
" occured during the pdf merging process.", exception);
}
finally
{
document.Close();
}
return output.GetBuffer();
}
}
/// <summary>
/// Implements custom page events.
/// </summary>
internal class PdfPageEvents : IPdfPageEvent
{
#region members
private BaseFont _baseFont = null;
private PdfContentByte _content;
#endregion
#region IPdfPageEvent Members
public void OnOpenDocument(PdfWriter writer, Document document)
{
_baseFont = BaseFont.CreateFont(BaseFont.HELVETICA,
BaseFont.CP1252, BaseFont.NOT_EMBEDDED);
_content = writer.DirectContent;
}
public void OnStartPage(PdfWriter writer, Document document)
{ }
public void OnEndPage(PdfWriter writer, Document document)
{ }
public void OnCloseDocument(PdfWriter writer, Document document)
{ }
public void OnParagraph(PdfWriter writer,
Document document, float paragraphPosition)
{ }
public void OnParagraphEnd(PdfWriter writer,
Document document, float paragraphPosition)
{ }
public void OnChapter(PdfWriter writer, Document document,
float paragraphPosition, Paragraph title)
{ }
public void OnChapterEnd(PdfWriter writer,
Document document, float paragraphPosition)
{ }
public void OnSection(PdfWriter writer, Document document,
float paragraphPosition, int depth, Paragraph title)
{ }
public void OnSectionEnd(PdfWriter writer,
Document document, float paragraphPosition)
{ }
public void OnGenericTag(PdfWriter writer, Document document,
Rectangle rect, string text)
{ }
#endregion
private float GetCenterTextPosition(string text, PdfWriter writer)
{
return writer.PageSize.Width / 2 - _baseFont.GetWidthPoint(text, 8) / 2;
}
}
I didn't write this, but made some modifications. I can't remember where I found it. After I merged the PDFs I would call this method to insert javascript to open the print dialog when the PDF is opened. If you change bSilent to true then it should print silently to their default printer.
public Stream addPrintJStoPDF(Stream thePDF)
{
MemoryStream outPutStream = null;
PRStream finalStream = null;
PdfDictionary page = null;
string content = null;
//Open the stream with iTextSharp
var reader = new PdfReader(thePDF);
outPutStream = new MemoryStream(finalStream.GetBytes());
var stamper = new PdfStamper(reader, (MemoryStream)outPutStream);
var jsText = "var res = app.setTimeOut('this.print({bUI: true, bSilent: false, bShrinkToFit: false});', 200);";
//Add the javascript to the PDF
stamper.JavaScript = jsText;
stamper.FormFlattening = true;
stamper.Writer.CloseStream = false;
stamper.Close();
//Set the stream to the beginning
outPutStream.Position = 0;
return outPutStream;
}
Not sure how well the above code is written since I pulled it from somewhere else and I haven't worked in depth at all with iTextSharp but I do know that it did work at merging PDFs that I was generating at runtime.
Tested with iTextSharp-LGPL 4.1.6:
public static byte[] ConcatenatePdfs(IEnumerable<byte[]> documents)
{
using (var ms = new MemoryStream())
{
var outputDocument = new Document();
var writer = new PdfCopy(outputDocument, ms);
outputDocument.Open();
foreach (var doc in documents)
{
var reader = new PdfReader(doc);
for (var i = 1; i <= reader.NumberOfPages; i++)
{
writer.AddPage(writer.GetImportedPage(reader, i));
}
writer.FreeReader(reader);
reader.Close();
}
writer.Close();
outputDocument.Close();
var allPagesContent = ms.GetBuffer();
ms.Flush();
return allPagesContent;
}
}
To avoid the memory issues mentioned, I used file stream instead of memory stream(mentioned in ITextSharp Out of memory exception merging multiple pdf) to merge pdf files:
var parentDirectory = Directory.GetParent(SelectedDocuments[0].FilePath);
var savePath = parentDirectory + "\\MergedDocument.pdf";
using (var fs = new FileStream(savePath, FileMode.Create))
{
using (var document = new Document())
{
using (var pdfCopy = new PdfCopy(document, fs))
{
document.Open();
for (var i = 0; i < SelectedDocuments.Count; i++)
{
using (var pdfReader = new PdfReader(SelectedDocuments[i].FilePath))
{
for (var page = 0; page < pdfReader.NumberOfPages;)
{
pdfCopy.AddPage(pdfCopy.GetImportedPage(pdfReader, ++page));
}
}
}
}
}
}
****/*For Multiple PDF Print..!!*/****
<button type="button" id="btnPrintMultiplePdf" runat="server" class="btn btn-primary btn-border btn-sm"
onserverclick="btnPrintMultiplePdf_click">
<i class="fa fa-file-pdf-o"></i>Print Multiple pdf</button>
protected void btnPrintMultiplePdf_click(object sender, EventArgs e)
{
if (ValidateForMultiplePDF() == true)
{
#region Declare Temp Variables..!!
CheckBox chkList = new CheckBox();
HiddenField HidNo = new HiddenField();
string Multi_fofile, Multi_listfile;
Multi_fofile = Multi_listfile = "";
Multi_fofile = Server.MapPath("PDFRNew");
#endregion
for (int i = 0; i < grdRnew.Rows.Count; i++)
{
#region Find Grd Controls..!!
CheckBox Chk_One = (CheckBox)grdRnew.Rows[i].FindControl("chkOne");
Label lbl_Year = (Label)grdRnew.Rows[i].FindControl("lblYear");
Label lbl_No = (Label)grdRnew.Rows[i].FindControl("lblCode");
#endregion
if (Chk_One.Checked == true)
{
HidNo .Value = llbl_No .Text.Trim()+ lbl_Year .Text;
if (File.Exists(Multi_fofile + "\\" + HidNo.Value.ToString() + ".pdf"))
{
#region Get Multiple Files Name And Paths..!!
if (Multi_listfile != "")
{
Multi_listfile = Multi_listfile + ",";
}
Multi_listfile = Multi_listfile + Multi_fofile + "\\" + HidNo.Value.ToString() + ".pdf";
#endregion
}
}
}
#region For Generate Multiple Pdf..!!
if (Multi_listfile != "")
{
String[] Multifiles = Multi_listfile.Split(',');
string DestinationFile = Server.MapPath("PDFRNew") + "\\Multiple.Pdf";
MergeFiles(DestinationFile, Multifiles);
Response.ContentType = "pdf";
Response.AddHeader("Content-Disposition", "attachment;filename=\"" + DestinationFile + "\"");
Response.TransmitFile(DestinationFile);
Response.End();
}
else
{
}
#endregion
}
}
private void MergeFiles(string DestinationFile, string[] SourceFiles)
{
try
{
int f = 0;
/**we create a reader for a certain Document**/
PdfReader reader = new PdfReader(SourceFiles[f]);
/**we retrieve the total number of pages**/
int n = reader.NumberOfPages;
/**Console.WriteLine("There are " + n + " pages in the original file.")**/
/**Step 1: creation of a document-object**/
Document document = new Document(reader.GetPageSizeWithRotation(1));
/**Step 2: we create a writer that listens to the Document**/
PdfWriter writer = PdfWriter.GetInstance(document, new FileStream(DestinationFile, FileMode.Create));
/**Step 3: we open the Document**/
document.Open();
PdfContentByte cb = writer.DirectContent;
PdfImportedPage page;
int rotation;
/**Step 4: We Add Content**/
while (f < SourceFiles.Length)
{
int i = 0;
while (i < n)
{
i++;
document.SetPageSize(reader.GetPageSizeWithRotation(i));
document.NewPage();
page = writer.GetImportedPage(reader, i);
rotation = reader.GetPageRotation(i);
if (rotation == 90 || rotation == 270)
{
cb.AddTemplate(page, 0, -1f, 1f, 0, 0, reader.GetPageSizeWithRotation(i).Height);
}
else
{
cb.AddTemplate(page, 1f, 0, 0, 1f, 0, 0);
}
/**Console.WriteLine("Processed page " + i)**/
}
f++;
if (f < SourceFiles.Length)
{
reader = new PdfReader(SourceFiles[f]);
/**we retrieve the total number of pages**/
n = reader.NumberOfPages;
/**Console.WriteLine("There are"+n+"pages in the original file.")**/
}
}
/**Step 5: we Close the Document**/
document.Close();
}
catch (Exception e)
{
string strOb = e.Message;
}
}
private bool ValidateForMultiplePDF()
{
bool chkList = false;
foreach (GridViewRow gvr in grdRnew.Rows)
{
CheckBox Chk_One = (CheckBox)gvr.FindControl("ChkSelectOne");
if (Chk_One.Checked == true)
{
chkList = true;
}
}
if (chkList == false)
{
divStatusMsg.Style.Add("display", "");
divStatusMsg.Attributes.Add("class", "alert alert-danger alert-dismissable");
divStatusMsg.InnerText = "ERROR !!...Please Check At Least On CheckBox.";
grdRnew.Focus();
set_timeout();
return false;
}
return true;
}
I want to display an BufferedImage that is returned by some API ( a Java Library for Canon Hack Development Kit) in my Vaadin Application without saving it to the file system. Is that somehow possible? It doesn't seem to be much of a hassle in swing but I have found no way to do it in Vaadin so far.
Yes, this is perfectly possible with Vaadin using a com.vaadin.server.StreamResource. A StreamResource provides the data of some InputStream and can be used anywhere a com.vaadin.server.Resource is expected (i.e. links, images, icons...).
The following example method creates a StreamResource for a BufferedImage on the fly:
private StreamResource createStreamResource() {
return new StreamResource(new StreamSource() {
#Override
public InputStream getStream() {
String text = "Date: " + DateFormat.getDateTimeInstance(DateFormat.FULL, DateFormat.MEDIUM).format(new Date());
BufferedImage bi = new BufferedImage(370, 30,
BufferedImage.TYPE_3BYTE_BGR);
bi.getGraphics().drawChars(text.toCharArray(), 0,
text.length(), 10, 20);
try {
ByteArrayOutputStream bos = new ByteArrayOutputStream();
ImageIO.write(bi, "png", bos);
return new ByteArrayInputStream(bos.toByteArray());
} catch (IOException e) {
e.printStackTrace();
return null;
}
}
}, "dateImage.png");
}
This can be used with an com.vaadin.ui.Image as follows:
Image image = new Image("", createStreamResource());
layout.addComponent(image);
Refer to the Vaadin Docs about Stream Resources for more information.
Ok so I'm trying to move my project from Primefaces 3.5 to 4.0 and I'm struggling with the new MenuModel API. I'm sure it's something stupid, but I can't display a DefaultMenuItem for my Breadcrumb where the value is from a .properties file (defined in faces-config as resource bundle).
What I had with Primefaces 3.5 :
MenuItem menuItem;
// Where "getPath()" returns all the pages needed to get to the current one
for (Page page : currentPage.getPath()) {
menuItem = new MenuItem();
// Where "getTitle()" returns something like "#{message.home}" which will be resolved as "Home"
menuItem.setValueExpression("value", expressionFactory.createValueExpression(elContext, page.getTitle(), String.class));
menuItem.setActionExpression(expressionFactory.createMethodExpression(elContext, page.getAction(), String.class, new Class[0]));
menuItem.setAjax(false);
menuItem.setAsync(false);
menuItem.setImmediate(true);
breadCrumbModel.addMenuItem(menuItem);
}
What I tried with Primefaces 4.0 and the new DefaultMenuItem object :
menuItem.setValue(page.getTitle());
menuItem.setValue(expressionFactory.createValueExpression(elContext, tmp.getTitle(), String.class));
menuItem.setParam("value", expressionFactory.createValueExpression(elContext, tmp.getTitle(), String.class));
menuItem.setTitle(page.getTitle()); <--- I even tried that in despair haha
I looked up the user guide and the api doc (uncommented :( ) but it doesn't talk much about this scenario, most of the time the examples use plain ol' String. What am I doing wrong ?
Thanks.
After having the same issue i found this solution and it works!, i'm using primefaces 5.0:
public void addMiga(String action, String label) throws Exception {
DefaultMenuItem item = new DefaultMenuItem();
item.setFragment(label);
String valueTitulo = "";
HtmlOutputText seccionLabel = new HtmlOutputText();
if (label != null && !"".equals(label)) {
String[] expresiones = label.split(",");
for (String expresion : expresiones) {
if (expresion.contains("label_")
|| expresion.contains("_label")) {
seccionLabel.setValueExpression("value",
getValueExpression(expresion));
} else {
seccionLabel.setValue(expresion);
}
valueTitulo += " " + (String) seccionLabel.getValue();
}
}
item.setValue(valueTitulo);
item.setId(Integer.toString(this.migas.getElements().size()));
item.setOnclick(ConstantesErp.FUNCION_STATUS);
item.setCommand(action);
item.setAjax(false);
this.migas.addElement(item);
}
public static ValueExpression getValueExpression(String nombre) {
FacesContext fc = FacesContext.getCurrentInstance();
Application app = fc.getApplication();
ELContext elContext = fc.getELContext();
ExpressionFactory factory = app.getExpressionFactory();
ValueExpression ve = null;
try {
ve = factory.createValueExpression(elContext, "#" + "{" + nombre
+ "}", String.class);
} catch (Exception e) {
ve = null;
}
return ve;
}
I am generating pdf and displaying it in separate window/tab using the approach described in The BalusC Code: PDF handling.I need to display blockui ajax loader when i select the commandlink to display pdf.The pdf gets generated but the ajax loader image remains as it is.I need to manually refresh the page to hide it.Is there any way using which it can be hidden as soon as the pdf gets displayed.
My code snippet is as below
JSF page
<h:form id="subFrm">
<p:commandLink value="Download PDF" action="#{pdfBean.downloadPDF}"
onclick="blkUi.show()" oncomplete="blkUi.hide()" id="cmdLink"
ajax="false" />
<p:blockUI block="subFrm" trigger="cmdLink" widgetVar="blkUi">
processing...<br />
<p:graphicImage value="/images/ajaxLoader.gif" />
</p:blockUI>
</h:form>
snippet of Managed bean which is of request scope
#ManagedBean
#RequestScoped
public class PdfBean {
// Constants ----------------------------------------------------------------------------------
private static final int DEFAULT_BUFFER_SIZE = 10240; // 10KB.
// Actions ------------------------------------------------------------------------------------
public void downloadPDF() throws IOException {
// Prepare.
FacesContext facesContext = FacesContext.getCurrentInstance();
ExternalContext externalContext = facesContext.getExternalContext();
HttpServletResponse response = (HttpServletResponse) externalContext.getResponse();
String filePath=externalContext.getRealPath("/pdf");
File file = new File(filePath, "modified.pdf");
BufferedInputStream input = null;
BufferedOutputStream output = null;
try {
// Open file.
input = new BufferedInputStream(new FileInputStream(file), DEFAULT_BUFFER_SIZE);
// Init servlet response.
response.reset();
response.setHeader("Content-Type", "application/pdf");
response.setHeader("Content-Length", String.valueOf(file.length()));
response.setHeader("Content-Disposition", "inline; filename=\"" + "modified.pdf" + "\"");
output = new BufferedOutputStream(response.getOutputStream(), DEFAULT_BUFFER_SIZE);
// Write file contents to response.
byte[] buffer = new byte[DEFAULT_BUFFER_SIZE];
int length;
while ((length = input.read(buffer)) > 0) {
output.write(buffer, 0, length);
}
// Finalize task.
output.flush();
} finally {
// Gently close streams.
close(output);
close(input);
}
// Inform JSF that it doesn't need to handle response.
// This is very important, otherwise you will get the following exception in the logs:
// java.lang.IllegalStateException: Cannot forward after response has been committed.
//externalContext.redirect(((HttpServletRequest)externalContext.getRequest()).getRequestURI());
facesContext.responseComplete();
/*FacesContext.getCurrentInstance().getExternalContext()
.redirect("index.xhtml");*/
}
// Helpers (can be refactored to public utility class) ----------------------------------------
private static void close(Closeable resource) {
if (resource != null) {
try {
resource.close();
} catch (IOException e) {
// Do your thing with the exception. Print it, log it or mail it. It may be useful to
// know that this will generally only be thrown when the client aborted the download.
e.printStackTrace();
}
}
}
}
You don't need to open the blockui explicitly. Just remove the code from your commandLink
onclick="blkUi.show()" oncomplete="blkUi.hide()"
remove above. The BlockUI will show up and hides itself.
I am working on blackberry project where i want to download image & save it in sd card in blackberry. By going through many sites i got some code & based on that i wrote the program but when it is executed the output screen is displaying a blank page with out any response. The code i am following is..
code:
public class BitmapDemo extends UiApplication
{
public static void main(String[] args)
{
BitmapDemo app = new BitmapDemo();
app.enterEventDispatcher();
}
public BitmapDemo()
{
pushScreen(new BitmapDemoScreen());
}
static class BitmapDemoScreen extends MainScreen
{
private static final String LABEL_X = " x ";
BitmapDemoScreen()
{
//BitmapField bmpFld1=new BitmapField(connectServerForImage("http://images03.olx.in/ui/3/20/99/45761199_1.jpg"));
//add(bmpFld1);
setTitle("Bitmap Demo");
// method for saving image in sd card
copyFile();
// Add a menu item to display an animation in a popup screen
MenuItem showAnimation = new MenuItem(new StringProvider("Show Animation"), 0x230010, 0);
showAnimation.setCommand(new Command(new CommandHandler()
{
public void execute(ReadOnlyCommandMetadata metadata, Object context)
{
// Create an EncodedImage object to contain an animated
// gif resource.
EncodedImage encodedImage = EncodedImage.getEncodedImageResource("animation.gif");
// Create a BitmapField to contain the animation
BitmapField bitmapFieldAnimation = new BitmapField();
bitmapFieldAnimation.setImage(encodedImage);
// Push a popup screen containing the BitmapField onto the
// display stack.
UiApplication.getUiApplication().pushScreen(new BitmapDemoPopup(bitmapFieldAnimation));
}
}));
addMenuItem(showAnimation);
}
private static class BitmapDemoPopup extends PopupScreen
{
public BitmapDemoPopup(BitmapField bitmapField)
{
super(new VerticalFieldManager());
add(bitmapField);
}
protected boolean keyChar(char c, int status, int time)
{
if(c == Characters.ESCAPE)
{
close();
}
return super.keyChar(c, status, time);
}
}
}
public static Bitmap connectServerForImage(String url) {
System.out.println("image url is:"+url);
HttpConnection httpConnection = null;
DataOutputStream httpDataOutput = null;
InputStream httpInput = null;
int rc;
Bitmap bitmp = null;
try {
httpConnection = (HttpConnection) Connector.open(url,Connector.READ_WRITE);
rc = httpConnection.getResponseCode();
if (rc != HttpConnection.HTTP_OK) {
throw new IOException("HTTP response code: " + rc);
}
httpInput = httpConnection.openInputStream();
InputStream inp = httpInput;
byte[] b = IOUtilities.streamToBytes(inp);
EncodedImage hai = EncodedImage.createEncodedImage(b, 0, b.length);
return hai.getBitmap();
} catch (Exception ex) {
System.out.println("URL Bitmap Error........" + ex.getMessage());
} finally {
try {
if (httpInput != null)
httpInput.close();
if (httpDataOutput != null)
httpDataOutput.close();
if (httpConnection != null)
httpConnection.close();
} catch (Exception e) {
e.printStackTrace();
}
}
return bitmp;
}
public static void copyFile() {
// TODO Auto-generated method stub
EncodedImage encImage = EncodedImage.getEncodedImageResource("rim.png");
byte[] image = encImage.getData();
try {
// Create folder if not already created
FileConnection fc = (FileConnection)Connector.open("file:///SDCard/BlackBerry/images/");
if (!fc.exists())
fc.mkdir();
fc.close();
// Create file
fc = (FileConnection)Connector.open("file:///SDCard/BlackBerry/images/" + image, Connector.READ_WRITE);
if (!fc.exists())
fc.create();
OutputStream outStream = fc.openOutputStream();
outStream.write(image);
outStream.close();
fc.close();
System.out.println("image saved.....");
} catch (Exception e) {
// TODO: handle exception
//System.out.println("exception is "+ e);
}
}
}
This is the code which i am using. Not getting any response except blank page.. As i am new to blackberry development unable to find out what is the problem with my code. Can anyone please help me with this...... Actually i am having other doubt as like android & iphone does in blackberry simulator supports for SD card otherwise we need to add any SD card slots for this externally...
Waiting for your reply.....
To simply download and save that image to the SDCard, you can use this code. I changed your SDCard path to use the pictures folder, which I think is the standard location on BlackBerrys. If you really want to store it in images, you may just need to create the folder if it doesn't already exist.
package com.mycompany;
import java.io.DataInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import javax.microedition.io.Connector;
import javax.microedition.io.HttpConnection;
import javax.microedition.io.file.FileConnection;
public class DownloadHelper implements Runnable {
private String _url;
public DownloadHelper(String url) {
_url = url;
}
public void run() {
HttpConnection connection = null;
OutputStream output = null;
InputStream input = null;
try {
// Open a HTTP connection to the webserver
connection = (HttpConnection) Connector.open(_url);
// Getting the response code will open the connection, send the request,
// and read the HTTP response headers. The headers are stored until requested.
if (connection.getResponseCode() == HttpConnection.HTTP_OK) {
input = new DataInputStream(connection.openInputStream());
int len = (int) connection.getLength(); // Get the content length
if (len > 0) {
// Save the download as a local file, named the same as in the URL
String filename = _url.substring(_url.lastIndexOf('/') + 1);
FileConnection outputFile = (FileConnection) Connector.open("file:///SDCard/BlackBerry/pictures/" + filename,
Connector.READ_WRITE);
if (!outputFile.exists()) {
outputFile.create();
}
// This is probably not a robust check ...
if (len <= outputFile.availableSize()) {
output = outputFile.openDataOutputStream();
// We'll read and write this many bytes at a time until complete
int maxRead = 1024;
byte[] buffer = new byte[maxRead];
int bytesRead;
for (;;) {
bytesRead = input.read(buffer);
if (bytesRead <= 0) {
break;
}
output.write(buffer, 0, bytesRead);
}
output.close();
}
}
}
} catch (java.io.IOException ioe) {
ioe.printStackTrace();
} finally {
try {
if (output != null) {
output.close();
}
if (connection != null) {
connection.close();
}
if (input != null) {
input.close();
}
} catch (IOException e) {
// do nothing
}
}
}
}
This class can download an image in the background, as I suggested. To use it, you can start a worker thread like this:
DownloadHelper downloader = new DownloadHelper("http://images03.olx.in/ui/3/20/99/45761199_1.jpg");
Thread worker = new Thread(downloader);
worker.start();
This will save the file as /SDCard/BlackBerry/pictures/45761199_1.jpg. I tested it on a 5.0 Storm simulator.
There are several problems with the code posted. It's also not completely clear what you're trying to do. From the question title, I assume you want to download a jpg image from the internet, and display it.
1) You implement a method called connectServerForImage() to download an image, but then it's commented out. So, the method isn't going to download anything if it's not called.
2) Even if it's uncommented, connectServerForImage() is called here
BitmapField bmpFld1=new BitmapField(connectServerForImage("http://images03.olx.in/ui/3/20/99/45761199_1.jpg"));
This will block the main (UI) thread while it downloads your image. Even though you can do it this way, it's not a good thing to do. Instead, you could create a Thread to download the image as a background task, and then use UiApplication.invokeLater() to load the image into your BitmapField on the main/UI thread.
3) Your copyFile() method tries to copy a file named rim.png, which must be an image bundled with your application, and saves it to the SDCard. Is this really what you want? Do you want to save the downloaded image instead? This method doesn't seem to be connected to anything else. It's not saving the image downloaded from the internet, and the image it does save is never used anywhere else.
4) In copyFile(), this line
fc = (FileConnection)Connector.open("file:///SDCard/BlackBerry/images/" + image, Connector.READ_WRITE);
is passing a byte[] in as part of the filename to open (your variable named image). You should probably be adding a String name to the end of your SDCard path. As the code is, it's probably opening a file in the /SDCard/BlackBerry/images/ folder with a very long name that looks like a number. Or it might fail entirely, if there are limits on the length of filenames.
5) In Java, it's not usually a good idea to make everything static. Static should normally be used for constants, and for a very few methods like the main() method, which must be static.
Try to clean these things up, and then repost the code, and we can try to help you with your problem. Thanks.