Metacat

   private static final String EMLNAMESPACE = 

                                          "eml://ecoinformatics.org/eml-2.0.0";

    // flag for process  eml2

    boolean proccessEml2 = false;

    if (doctype != null && doctype.equals(EMLNAMESPACE))

    {

      proccessEml2 = true;

    }

    // flag for process inline data

    boolean prcocessInlineData = false;

        // if currentNode is inline and handle eml2, set flag proccess in

        if (currentNode.nodename != null && 

            currentNode.nodename.equals(EmlSAXHandler.INLINE) && proccessEml2)

        {

          prcocessInlineData = true;

        }

        if (!prcocessInlineData)

        {

          // if it is not inline data just out put data

          out.print(currentNode.nodedata);

        }

        else

        {

          // if it is inline data pull out from file system and output it

          // for inline data, the data base only store the file name, so we

          // can combine the file name and inline data file path, to get it

          String fileName = currentNode.nodedata;

          String content = readInlineDataFromFileSystem(fileName);

          out.print(content);

        }

        // reset proccess inline data false

        prcocessInlineData =false;

  /* In eml2, the inline data wouldn't store in db, it store in file system

   * The db stores file name(without path).

   */

  private String readInlineDataFromFileSystem(String fileName) 

                                              throws McdbException

  {

    String data = null;

    String path = MetaCatUtil.getOption("inlinedatafilepath");

    // the new file name will look like path/docid.rev.2

    File inlineDataDirectory = new File(path);

    File dataFile = new File(inlineDataDirectory, fileName);

    try

    {

      FileReader fileReader = new FileReader(dataFile);

      BufferedReader stringReader = new BufferedReader(fileReader);

      // read first line of data

      String tmp = stringReader.readLine();

      // pass first line data to data varible

      data = tmp;

      // at the end tmp will be null

      while (tmp != null)

      {

        // read a new line

        tmp = stringReader.readLine();

        // append new line to data

        data = data+tmp;

      }

    }

    catch (Exception e)

    {

      throw new McdbException(e.getMessage());

    }

    return data;

  }