How to easily display Indented XML files

[slashfr]

HI,
I Generated a web application from two MySQL tables (Tracking and Error), using the SEAM code generation.
In my tables, i have a BLOB column that stores XML files in binary format.
I want to display the content of these files on my XHTML pages INDENTED.
i didn't find any solution, the only solution i found is to transform my byte array into a String in the EJB, using the following java instruction :
messageBody is a byte array

String xmlUnformatted =  new String( messageBody , "Cp1252" );
But the string is not indented :(

Thank you for your help

[slashfr]

No Idea?

[ctomc]

Maybe this will help:

public static String getXML(Document document, boolean indent) {

          OutputFormat format;
          StringWriter stringOut;
          XML11Serializer serial;
          if (document.getOwnerDocument() == null) {
               format = new OutputFormat(org.apache.xml.serialize.Method.XML, null, true);
          } else {
               format = new OutputFormat(document.getOwnerDocument(), null, true);
          }
          format.setOmitXMLDeclaration(true);
          if (indent) {
               format.setIndent(2);
               format.setLineSeparator("\r\n");
          } else {
               format.setIndent(0);
               format.setLineSeparator("");
          }
          stringOut = new StringWriter();
          serial = new XML11Serializer(stringOut, format);
          serial.setNamespaces(true);

          try {
               
               serial.serialize(document);
               
               return (stringOut.toString());
          } catch (java.io.IOException ioe) {
               throw new RuntimeException("Strange error. IOException occurred where it cannot!", ioe);
          }
     }

cheers,
tomaz

[jagin]

... or using XSLT. Look here: Oliver's XSLT page

[nicolas.bielza]

Several approaches for indenting XML documents are discussed here.

I'm using com.sun.org.apache.xml.internal.serialize.XMLSerializer and it works fine for me (although it's undocumented and non portable).

[nicolas.bielza]

I meant to say com.sun.org.apache.xml.internal.serialize.OutputFormat works fine for me !

  public String format(Document document, int indent) throws IOException {
    OutputFormat format = new OutputFormat(document);
    format.setIndenting(true);
    format.setIndent(indent);
    StringWriter stringWriter = new StringWriter();
    Writer output = new BufferedWriter( stringWriter );
    XMLSerializer serializer = new XMLSerializer(output, format);
    serializer.serialize(document);
    return stringWriter.toString();
  }

[edmentay]

hi,
I had tried the solution above. but its did't work!! my xhtml page is,

<h:outputFormat id="xmlout" value="#{configList.xmlDoc}" rendered="true" />

backbean statement is,

ByteArrayOutputStream output = new ByteArrayOutputStream();
output.write(tempapp.getxmlbytes());
               
byte b[] = output.toByteArray();
               
db = dbf.newDocumentBuilder();
                       
InputSource is = new InputSource();
String content = new String(b);

is.setCharacterStream(new StringReader(content));

this.selectedDocument = db.parse(is);

return this.selectedDocument

Please help!!

Regards,
Edmen

[serkan.s.eskici.online.nl]

I've the same usecase and what I've done is the following:

<s:formattedText value="embrace you string within a singlequote (shows the string as a <code>, cant use it on this wiki message) #{myBean.blobText}" escape="false" />

Assuming that the XML blob is already saved with correct indenting in the database.