Converta HTML para PDF com 06 linhas de Código

EderBaum · Dezembro 19, 2007, 11:20am

Sempre vejo pessoas procurando por ai como converter HTML para PDF, mas sempre as soluções são obscuras complicadas e não muito “limpas”, as vezes requerendo bibliotecas proprietárias.
Pois então vou lhe dar uma solução com apenas 06 linhas de código que salvará sua alma . Lá vamos nós rápidos e rasteiros. Como o código é mediocremente pequeno vou colocar tudo aqui pra encher linguiça, até os imports

[code]import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.io.OutputStream;

import org.w3c.dom.Document;
import org.w3c.tidy.Tidy;
import org.xhtmlrenderer.pdf.ITextRenderer;

import com.lowagie.text.DocumentException;

/**

@Autor Eder Baum
*/
public class Html2Pdf {

public static void convert(String input, OutputStream out) throws DocumentException{
convert(new ByteArrayInputStream(input.getBytes()), out);
}

public static void convert(InputStream input, OutputStream out) throws DocumentException{
Tidy tidy = new Tidy();
Document doc = tidy.parseDOM(input, null);
ITextRenderer renderer = new ITextRenderer();
renderer.setDocument(doc, null);
renderer.layout();
renderer.createPDF(out);
}

}
[/code]

Se você contar o numero de linhas do 2º método convert, verá que há apenas 06 linhas como prometido, e para usar esta classe, o código é menor ainda:

OutputStream os = new FileOutputStream("C:\\hello.pdf");; Html2Pdf.convert("<h1 style=\"color:red\">Hello PDF</h1>", os); os.close();

Os jars que vc precisa são estes
Tidy : http://jtidy.sourceforge.net
XHTMLRenderer : https://xhtmlrenderer.dev.java.net/
Itext: http://www.lowagie.com/iText

Espero que tenham divertido-se.

Thiago_Ananias · Dezembro 19, 2007, 11:32am

Orra cara!! :lol:

Obrigado por compartilhar! esta função já entrou na minha listinha!

[]s

nadilsons · Dezembro 19, 2007, 11:44am

Valeu EderBaum!!!

Mas pelo que vi o documento deve ser xhtml para funcionar, estou certo?

Document doc = tidy.parseDOM(input, null);

Obrigado,

paulovittor23 · Dezembro 19, 2007, 11:50am

Bem legal…
da pra fazer algo semelhante com xhtml e algumas tags do JBoss Seam…
mas nesse caso vc já escreve o documento utilizando tags que farão com que o documento seja renderizado como pdf…
da até pra colocar gráfico

Exemplo.xhtml

&lt;?xml version=&quot;1.0&quot; encoding=&quot;ISO-8859-1&quot;?&gt;

&lt;p:document xmlns:p="http://jboss.com/products/seam/pdf"
            xmlns:ui="http://java.sun.com/jsf/facelets"&gt;
    
    &lt;p:image value="/img/logo.jpg" scalePercent="80" /&gt;
    
    &lt;p:font family="arial" size="12"&gt;
               
        &lt;p:list style="numbered"&gt;
            &lt;ui:repeat value="#{paisList.resultList}" var="pais"&gt;
                &lt;p:listItem&gt;#{pais.nome} - #{pais.estados.size}&lt;/p:listItem&gt;
            &lt;/ui:repeat&gt;
        &lt;/p:list&gt;
        
        &lt;p:barchart title="Gráfico de Barras" 
                    legend="true"
                    width="500" 
                    height="500"&gt;
            &lt;p:series key="estados"&gt;
                &lt;ui:repeat value="#{paisList.resultList}" var="pais"&gt;
                    &lt;p:data key="#{pais.nome}" columnKey="#{pais.nome}" value="#{pais.estados.size}" /&gt;
                &lt;/ui:repeat&gt;
            &lt;/p:series&gt; 
        &lt;/p:barchart&gt;
        
    &lt;/p:font&gt;
    
&lt;/p:document&gt;

Para apresentar o pdf basta vc chamar a página como se fosse uma página, ex: /Exemplo.seam

EderBaum · Dezembro 19, 2007, 11:53am

Exato. o Jtidy é um “HTML Beautifyer”, ai o que vc mandar pra ele, mesmo tags não fechadas, ou textos tirados de Blogs :lol: vai funfar.

Esta é a beleza do código, você não precisa se preocupar com as coisas baixas, basta mandar HTML em não conformidade que o resto o código cuida.

Nothunt · Dezembro 19, 2007, 8:12pm

Muito obrigado!

Mas se percebi temos de passar o html linha a linha certo?

um abraço de Portugal

EderBaum · Dezembro 19, 2007, 9:28pm

Não, de forma alguma.
Você pode inclusive entrar um InputStream que aponte para este post aqui neste fórum que possivelmente vai converter este tópico para PDF :-o

Inserção de imagens e tudo mais é tranquilo e simples, porém ele vai usar conexões ai pra “puxar” as imagens.

correainfo · Dezembro 20, 2007, 8:39am

EderBaum, bom eu nunca fiz isso como eu passo esse topico para ele escrever no pdf

    OutputStream os = new FileOutputStream("C:\\hello.pdf");;  
    Html2Pdf.convert("Coloco aki a url ????????????", os);           
    os.close();

Desde ja agradeço atençao.

correainfo · Dezembro 20, 2007, 8:55am

Bom ja consegui escrever de uma url


URL u = new URL ("http://www.lucascorrea.com.br");
//System.out.println (u);
URLConnection conn = u.openConnection();
InputStream is = conn.getInputStream(); 
		
OutputStream os = new FileOutputStream("C:\\hello.pdf");
Html2Pdf.convert(is, os);           
os.close();

Mais ele não carregar as imagens como vc disse EderBaum

EderBaum · Dezembro 20, 2007, 9:30am

Bem, eu nunca tentei fazer com uma URL, e também não consigo ver onde isto seria necessário.
Mas mandando uma string tipo:

OutputStream os = new FileOutputStream("C:\\hello.pdf"); Html2Pdf.convert("<b>Uma Imagem</b>\n\n<br /><img src=\"http://f.i.uol.com.br/folha/informatica/images/0735360.jpg\" />", os); os.close();

Isto pra mim funcionou perfeitamente, mas minha aplicação está rodando já num servidor na Web.

EderBaum · Dezembro 20, 2007, 10:50am

Já sei o que houve. Neste meu exemplo acima eu uso o caminho completo da imagem no “src”, já na sua página é sempre apontado o caminho relativo, e ai não vai mesmo.

Nothunt · Dezembro 20, 2007, 11:46am

Eu tambem testei.

No netbeans 6.0 criei a classe Html2Pdf

[code]package javaapplication1;

import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.io.OutputStream;

import org.w3c.dom.Document;
import org.w3c.tidy.Tidy;
import org.xhtmlrenderer.pdf.ITextRenderer;

import com.lowagie.text.DocumentException;

public class Html2Pdf {

public static void convert(String input, OutputStream out) throws DocumentException{   
    convert(new ByteArrayInputStream(input.getBytes()), out);   
}   
   
public static void convert(InputStream input, OutputStream out) throws DocumentException{   
    Tidy tidy = new Tidy();           
    Document doc = tidy.parseDOM(input, null);   
    ITextRenderer renderer = new ITextRenderer();   
    renderer.setDocument(doc, null);   
    renderer.layout();         
    renderer.createPDF(out);                   
}

} [/code]

e a main

[code]package javaapplication1;

import java.net.;
import java.io.;
import java.io.InputStream;
import java.io.OutputStream;
import javaapplication1.Html2Pdf;

/**
*

@author Admin
*/
public class Main {

/**
- @param args the command line arguments
  */
  public static void main(String[] args)throws Exception{
  
  try{
  URL u = new URL(“http://www.guj.com.br/posts/list/77682.java”);
  //System.out.println (u);
  URLConnection conn = u.openConnection();
  InputStream is = conn.getInputStream();
  
  OutputStream os = new FileOutputStream(“C:\TEMP\hello.pdf”);
  Html2Pdf.convert(is, os);
  os.close();
  } catch (IOException e) {
  // Print out the exception that occurred
  System.out.println(e.getMessage());
  }
}
}[/code]

e como resultado obtive

[code]Tidy (vers 4th August 2000) Parsing “InputStream”
line 58 column 1 - Warning:

repeated attribute
line 58 column 1 - Warning:

lacks “summary” attribute
line 61 column 46 - Warning: img lacks “alt” attribute
line 65 column 111 - Warning: trimming empty

InputStream: Document content looks like HTML proprietary
55 warnings/errors were found!

plumbing.render INFO:: Using CSS implementation from: org.xhtmlrenderer.context.StyleReference
plumbing.css-parse WARNING:: (null#inline_style_1) Invalid URL, no protocol: null#inline_style_1 at line 1. Skipping @import rule.
plumbing.css-parse WARNING:: (null#inline_style_2) Invalid URL, no protocol: null#inline_style_2 at line 1. Skipping @import rule.
plumbing.css-parse WARNING:: (null#inline_style_3) Invalid URL, no protocol: null#inline_style_3 at line 1. Skipping @import rule.
plumbing.css-parse WARNING:: (null#inline_style_4) Invalid URL, no protocol: null#inline_style_4 at line 1. Skipping @import rule.
plumbing.load INFO:: TIME: parse stylesheets 204ms
plumbing.match INFO:: media = print
plumbing.match INFO:: Matcher created with 118 selectors
plumbing.css-parse WARNING:: (style attribute) colspan/rowspan must be greater than zero at line 1. Skipping declaration.
plumbing.css-parse WARNING:: (style attribute) colspan/rowspan must be greater than zero at line 1. Skipping declaration.
plumbing.exception WARNING:: item at URI file:/img/logo.gif not found
plumbing.exception WARNING:: item at URI file:/img/logo.gif not found
plumbing.exception WARNING:: item at URI file:/img/tltl.gif not found
plumbing.exception WARNING:: item at URI file:/img/tlbl.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/xml_button.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/images/avatar/b937384a573b94c4d7cc6004c496f919.jpg not found
plumbing.exception WARNING:: item at URI file:/images/avatar/c591d12b9dbf597d4e38f56c674ecf0e.jpg not found
plumbing.exception WARNING:: item at URI file:/images/avatar/0676f43ba89ef089f43c6f36ca40fa4a.png not found
plumbing.exception WARNING:: item at URI file:/images/avatar/402cac3dacf2ef35050ca72743ae6ca7.jpg not found
plumbing.exception WARNING:: item at URI file:/images/avatar/b937384a573b94c4d7cc6004c496f919.jpg not found
plumbing.exception WARNING:: item at URI file:/images/avatar/b937384a573b94c4d7cc6004c496f919.jpg not found
plumbing.exception WARNING:: item at URI file:/images/avatar/1b84c4cee2b8b3d823b30e2d604b1878.png not found
plumbing.exception WARNING:: item at URI file:/images/avatar/1b84c4cee2b8b3d823b30e2d604b1878.png not found
plumbing.exception WARNING:: item at URI file:/images/avatar/b937384a573b94c4d7cc6004c496f919.jpg not found
plumbing.exception WARNING:: item at URI file:/images/avatar/b937384a573b94c4d7cc6004c496f919.jpg not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_msnm.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_email.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_msnm.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_email.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_msnm.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_email.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_msnm.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_minipost_new.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_up.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_minipost_new.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_up.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_minipost_new.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_up.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_minipost_new.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_up.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_minipost_new.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_up.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_minipost_new.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_up.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_minipost_new.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_up.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_minipost_new.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_up.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_minipost_new.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_up.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_minipost_new.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_up.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_minipost_new.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_up.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/xml_button.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_minipost_new.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_up.gif not found
plumbing.exception WARNING:: item at URI file:/images/avatar/b937384a573b94c4d7cc6004c496f919.jpg not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/spacer.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_minipost_new.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_up.gif not found
plumbing.exception WARNING:: item at URI file:/images/avatar/c591d12b9dbf597d4e38f56c674ecf0e.jpg not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_msnm.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/spacer.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_minipost_new.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_up.gif not found
plumbing.exception WARNING:: item at URI file:/images/avatar/0676f43ba89ef089f43c6f36ca40fa4a.png not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/spacer.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_minipost_new.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_up.gif not found
plumbing.exception WARNING:: item at URI file:/images/avatar/402cac3dacf2ef35050ca72743ae6ca7.jpg not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_email.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_msnm.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/spacer.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_minipost_new.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_up.gif not found
plumbing.exception WARNING:: item at URI file:/images/avatar/b937384a573b94c4d7cc6004c496f919.jpg not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/spacer.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_minipost_new.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_up.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/spacer.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_minipost_new.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_up.gif not found
plumbing.exception WARNING:: item at URI file:/images/avatar/b937384a573b94c4d7cc6004c496f919.jpg not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/spacer.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_minipost_new.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_up.gif not found
plumbing.exception WARNING:: item at URI file:/images/avatar/1b84c4cee2b8b3d823b30e2d604b1878.png not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_email.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_msnm.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/spacer.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_minipost_new.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_up.gif not found
plumbing.exception WARNING:: item at URI file:/images/avatar/1b84c4cee2b8b3d823b30e2d604b1878.png not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_email.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_msnm.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/spacer.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_minipost_new.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_up.gif not found
plumbing.exception WARNING:: item at URI file:/images/avatar/b937384a573b94c4d7cc6004c496f919.jpg not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/spacer.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/icon_minipost_new.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbin
g.exception WARNING:: item at URI file:/templates/default/images/icon_up.gif not found
plumbing.exception WARNING:: item at URI file:/images/avatar/b937384a573b94c4d7cc6004c496f919.jpg not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
plumbing.exception WARNING:: item at URI file:/templates/default/images/spacer.gif not found
plumbing.exception WARNING:: item at URI file:/images/transp.gif not found
BUILD SUCCESSFUL (total time: 5 seconds)[/code]

Alguma ideia para resolver o problema?

EderBaum · Dezembro 20, 2007, 1:05pm

Esqueçam tudo que eu falei sobre converter este POST para PDF.
Veja este erro:

plumbing.exception WARNING:: item at URI file:/img/logo.gif not found

Ele nunca vai achar o arquivo /img/logo.gif pois o programa está rodando em sua máquina, e é nela que este vai ser procurado. Pra funcionar tem que trocar o /img/logo.gif por http://www.guj.com.br/img/logo.gif.
Sacou?

Se testar este exemplo abaixo com imagens, verá que vai dar certo.

OutputStream os = new FileOutputStream("C:\\hello.pdf"); Html2Pdf.convert("<b>Uma Imagem</b>\n\n<br /><img src=\"http://f.i.uol.com.br/folha/informatica/images/0735360.jpg\" />", os); os.close();

Nothunt · Dezembro 20, 2007, 2:50pm

Eu usei este post titulo de exemplo… :roll:

mas axo que ja estendi…

quer dizer que se se tiver este codigo no servidor logo irá funcionar por inteiro?

e se for uma pagina jsp também funciona? desde que a pagina ja esteja carregada?

obrigado 8)

cassio · Dezembro 20, 2007, 3:03pm

[quote=Nothunt]Eu usei este post titulo de exemplo… :roll:

mas axo que ja estendi…

quer dizer que se se tiver este codigo no servidor logo irá funcionar por inteiro?

e se for uma pagina jsp também funciona? desde que a pagina ja esteja carregada?

obrigado 8)

[/quote]

O retorno de um request HTTP que retorne HTML não tem como saber se esse HTML foi criado através de um JSP, se já era HTML puro, ou qualquer outra coisa. O stream retornado é HTML e pronto. Logo, irá funcionar para JSP também.

EderBaum · Dezembro 20, 2007, 3:16pm

O problema aqui é a besteira que eu falei de converter este tópico aqui para PDF.
Não vai dar certo por causa das imagens que usam caminho relativo e não absoluto, portanto:

PELO AMOR DE DEUS NÃO CONVERTA A URL DESTE TÓPICO PARA PDF.

isso pq no final das contas a classe pega o String HTML e nem se dá conta que a imagem que aponta para /img/logo.gif está lá no servidor http://www.guj.com.br, ela “acha” que a coisa tah no seu HD.

Mas repito e repito de novo. Teste isso aqui oh que funciona:

OutputStream os = new FileOutputStream("C:\\hello.pdf"); Html2Pdf.convert("<b>Uma Imagem</b>\n\n<br /><img src=\"http://f.i.uol.com.br/folha/informatica/images/0735360.jpg\" />", os); os.close();

sergiolpf · Janeiro 7, 2008, 11:23am

Galera,

perguntinha básica…

funciona com CSS??? O PDF vai ter a aparencia do bendito CSS? ou quebra?

Alguem testou?

breno500as · Fevereiro 29, 2008, 1:53pm

No meu esta dando erro no exato momento em que instancio a classe ITextRenderer,o erro esta na linha 6

  public static void convert(InputStream input, OutputStream out)
            throws DocumentException {
        Tidy tidy = new Tidy();
        Document doc = tidy.parseDOM(input, null);
       
        ITextRenderer renderer = new ITextRenderer();
        ITextFontResolver resolver = renderer.getFontResolver();
        try {
			resolver.addFont("C:\\Windows\\Fonts\\TIMES.TTF",
			        BaseFont.IDENTITY_H,
			        BaseFont.NOT_EMBEDDED
			        );
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} 
        renderer.setDocument(doc, null);
        renderer.layout();
        renderer.createPDF(out);
    }
       
    
    
   public static void main(String[] args) {

       try {

            InputStream in = new FileInputStream(new File("C:\\teste.html"));

            OutputStream out = new FileOutputStream("C:\\hello.pdf");
            try {
                Html2Pdf.convert(in, out);
            } catch (DocumentException e1) {
                e1.printStackTrace();
            }
            out.close();
        } catch (IOException e) {

            System.out.println(e.getMessage());
        }
  
   
        
    }

StackTrace:

        Exception in thread "main" java.lang.NoSuchMethodError: com.lowagie.text.pdf.BaseFont.getCharBBox(C)[I
	at org.xhtmlrenderer.pdf.ITextFontResolver$FontDescription.setMetricDefaults(ITextFontResolver.java:496)
	at org.xhtmlrenderer.pdf.ITextFontResolver$FontDescription.<init>(ITextFontResolver.java:427)
	at org.xhtmlrenderer.pdf.ITextFontResolver.addCourier(ITextFontResolver.java:229)
	at org.xhtmlrenderer.pdf.ITextFontResolver.createInitialFontMap(ITextFontResolver.java:209)
	at org.xhtmlrenderer.pdf.ITextFontResolver.<init>(ITextFontResolver.java:44)
	at org.xhtmlrenderer.pdf.ITextRenderer.<init>(ITextRenderer.java:81)
	at org.xhtmlrenderer.pdf.ITextRenderer.<init>(ITextRenderer.java:68)
	at br.gov.prodemge.pcnet.pat.comuns.Html2Pdf.convert(Html2Pdf.java:40)
	at br.gov.prodemge.pcnet.pat.comuns.Html2Pdf.main(Html2Pdf.java:68)

Isso esta me parecendo algum erro com algum jar…nao sei…as que eu adicionei no projeto são:
core-renderer.jar
iText-2.0.8.jar
itext-paulo-155.jar
minium.jar
Tidy.jar
Se alguem souber…por favor me ajudem…

breno500as · Fevereiro 29, 2008, 6:02pm

Solucionei o problema…retirei todos os outros jars do meu class-path e deixei apenas as responsaveis pela renderização e funcionou sem problemas…

rKT · Abril 16, 2008, 6:36pm

Hey Eder me esclaece uma dúvida…

eu estou tentando converter o seguinte codigo…

OutputStream os = new FileOutputStream("C:\\hello.pdf");;  
DSHtml2Pdf.convert("<b>AAAAAAAAAAAAAAAA</b>", os);
os.close();

Com o JTidy esta tudo certo, pois quando eu testo o comando tidy.parse() ele me retorna um XHTML correto, sem problemas…
Mais na hora de gerar um PDF ele da o seguinte erro…

[code]

Tidy (vers 4th August 2000) Parsing “InputStream”
line 1 column 1 - Warning: inserting missing ‘title’ element

InputStream: Document content looks like HTML 3.2
1 warnings/errors were found!

Could not execute action
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at com.opensymphony.xwork.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:353)
at com.opensymphony.xwork.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:208)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:182)
at com.opensymphony.xwork.interceptor.DefaultWorkflowInterceptor.intercept(DefaultWorkflowInterceptor.java:125)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:180)
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:32)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:180)
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:32)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:180)
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:32)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:180)
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:32)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:180)
at com.opensymphony.webwork.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:136)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:180)
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:32)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:180)
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:32)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:180)
at com.opensymphony.xwork.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:146)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:180)
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:32)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:180)
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:32)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:180)
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:32)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:180)
at com.opensymphony.xwork.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:94)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:180)
at com.opensymphony.xwork.DefaultActionProxy.execute(DefaultActionProxy.java:113)
at com.opensymphony.webwork.dispatcher.DispatcherUtils.serviceAction(DispatcherUtils.java:202)
at com.opensymphony.webwork.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:184)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Thread.java:595)
Caused by: java.lang.NoSuchMethodError: com.lowagie.text.Rectangle.height()F
at org.xhtmlrenderer.pdf.ITextRenderer.writePDF(ITextRenderer.java:262)
at org.xhtmlrenderer.pdf.ITextRenderer.createPDF(ITextRenderer.java:250)
at org.xhtmlrenderer.pdf.ITextRenderer.createPDF(ITextRenderer.java:191)
at br.com.dsystems.util.converter.DSHtml2Pdf.convert(DSHtml2Pdf.java:25)
at br.com.dsystems.util.converter.DSHtml2Pdf.convert(DSHtml2Pdf.java:16)
at br.com.dsystems.ds001.beans.TesteBean.testeVoucher(TesteBean.java:42)
… 50 more[/code]

Não estou entendendo oq está acontecendo…

Outra pergunta…
No seu exemplo vc faz o HTML gerar um arquivo PDF.

O que eu preciso fazer com este conversor é o seguinte.

Pegar uma string com tags HTML, e passar este HTML para PDF e salvar no banco de dados.
Depois disto este codigo em PDF vai ser usado para integrar um relatório q vai ser gerado com o iReport.
Isto é possível com este código q vc deu ?
Se for vai me ajuda muito hehehe =]

Obrigado
Aguardo Respostas
Rodrigo Kerkhoff

Converta HTML para PDF com 06 linhas de Código

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