// 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;
}
// 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;
}