package org.vamsas.test.simpleclient;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.InputStream;
import java.io.InputStreamReader;


import uk.ac.vamsas.client.simpleclient.VamsasArchiveReader;
import uk.ac.vamsas.objects.core.VAMSAS;
import uk.ac.vamsas.objects.core.VamsasDocument;

public class ArchiveReader {
  /**
   * tests VamsasArchiveReader archive reader on a vamsas jar file
   * @param args
   */
  public static void main(String args[]) {
    
    try {
      File av = new File(args[0]);
      VamsasArchiveReader var = new VamsasArchiveReader(av);
      VAMSAS roots[]=null;
      if (var.isValid()) {
        InputStreamReader vdoc = new InputStreamReader(var.getVamsasDocumentStream());
        VamsasDocument doc = VamsasDocument.unmarshal(vdoc);
        if (ArchiveReports.reportDocument(doc, var, true, System.out)) {
          roots = doc.getVAMSAS();
        }
      } else {
        InputStream vxmlis = var.getVamsasXmlStream();
        
        if (vxmlis!=null) { // Might be an old vamsas file.
          BufferedInputStream ixml = new BufferedInputStream(var.getVamsasXmlStream());
          InputStreamReader vxml = new InputStreamReader(ixml);
          VAMSAS root;
          // unmarshal seems to always close the stream (should check this)
          if ((root = VAMSAS.unmarshal(vxml))!=null) {
            System.out.println("Read a root.");
            roots = new VAMSAS[1];
            roots[0] = root;
          }
        }
      }
      if (!ArchiveReports.rootReport(roots, true, System.out))
        System.err.print(args[0]+" is not a valid vamsas archive.");
    } catch (Exception e) {
      e.printStackTrace(System.err);
    }
  }
}