Пример #1
0
  // retrieve the info available by the Identity verb of oai repository, e.g. protocol version
  // and date granularity
  @SuppressWarnings("unchecked")
  public static HashMap<String, String> getIdentifyResponseInfo(String baseURL) {
    Identify ident = null;
    OAIPMHtype xmlType = null;
    HashMap<String, String> res = new HashMap<String, String>();

    try {
      ident = new Identify(baseURL);
      String xmlRec = ident.toString();
      if (xmlRec.startsWith("<?")) {
        int offset = xmlRec.indexOf("?>");
        xmlRec = xmlRec.substring(offset + 2);
      }
      InputStream is = new ByteArrayInputStream(xmlRec.getBytes("UTF-8"));
      JAXBElement<OAIPMHtype> oai = (JAXBElement<OAIPMHtype>) u.unmarshal(is);
      xmlType = oai.getValue();
      if (xmlType.getIdentify().getBaseURL() != null) {
        res.put("Repository BaseURL", xmlType.getIdentify().getBaseURL());
      }
      if (xmlType.getIdentify().getEarliestDatestamp() != null) {
        res.put("Earliest DateStamp", xmlType.getIdentify().getEarliestDatestamp());
      }
      if (xmlType.getIdentify().getProtocolVersion() != null) {
        res.put("Protocol Version", xmlType.getIdentify().getProtocolVersion());
      }
      if (xmlType.getIdentify().getRepositoryName() != null) {
        res.put("Repository Name", xmlType.getIdentify().getRepositoryName());
      }
      if ((xmlType.getIdentify().getAdminEmail() != null)
          && (xmlType.getIdentify().getAdminEmail().size() > 0)) {
        res.put("Admin Email", xmlType.getIdentify().getAdminEmail().get(0));
      }
      if (xmlType.getIdentify().getDeletedRecord() != null) {
        res.put("Deleted Record", xmlType.getIdentify().getDeletedRecord().value());
      }
      if (xmlType.getIdentify().getGranularity() != null) {
        res.put("Granularity", xmlType.getIdentify().getGranularity().value());
      }
    } catch (IOException e) {
      // e.printStackTrace();
    } catch (ParserConfigurationException e) {
      // e.printStackTrace();
    } catch (SAXException e) {
      // e.printStackTrace();
    } catch (TransformerException e) {
      // e.printStackTrace();
    } catch (JAXBException e) {
      // e.printStackTrace();
    }
    ident = null;
    xmlType = null;
    return res;
  }
Пример #2
0
  // call this method first for repository validity before do anything else...
  public static boolean isValid(String baseURL) {
    boolean res = false;
    Identify ident = null;
    // validate baseURL
    try {
      ident = new Identify(baseURL);
      res = true;
    } catch (IOException e) {
      // e.printStackTrace();
      res = false;
    } catch (ParserConfigurationException e) {
      // e.printStackTrace();
      res = false;
    } catch (SAXException e) {
      // e.printStackTrace();
      res = false;
    } catch (TransformerException e) {
      // e.printStackTrace();
      res = false;
    }

    // validate response (version plus xml response structure)
    if (ident != null) {

      try {
        NodeList errors = ident.getErrors();
        if ((errors != null) && (errors.getLength() > 0)) {
          res = false;
        } else {
          ident.getProtocolVersion();
          res = true;
        }
      } catch (TransformerException e) {
        // e.printStackTrace();
        res = false;
      } catch (NoSuchFieldException e) {
        // e.printStackTrace();
        res = false;
      }
    }

    ident = null; // clean up the mess ;)
    return res;
  }