7 Replies Latest reply on May 3, 2011 2:44 AM by Serkan Eskici

    How to easily display Indented XML files

    Yacine Ouadahi Newbie

      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

        • 2. Re: How to easily display Indented XML files
          Tomaz Cerar Master

          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);
                    if (indent) {
                    } else {
                    stringOut = new StringWriter();
                    serial = new XML11Serializer(stringOut, format);
                    try {
                         return (stringOut.toString());
                    } catch (java.io.IOException ioe) {
                         throw new RuntimeException("Strange error. IOException occurred where it cannot!", ioe);


          • 4. Re: How to easily display Indented XML files
            Nicolas Bielza Newbie

            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).

            • 5. Re: How to easily display Indented XML files
              Nicolas Bielza Newbie

              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);
                  StringWriter stringWriter = new StringWriter();
                  Writer output = new BufferedWriter( stringWriter );
                  XMLSerializer serializer = new XMLSerializer(output, format);
                  return stringWriter.toString();

              • 6. Re: How to easily display Indented XML files
                Tay Edmen Newbie

                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();
                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!!


                • 7. Re: How to easily display Indented XML files
                  Serkan Eskici Novice

                  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.