/**
* Construct the xml response on the server-side.
*
* @param context the servlet context
* @param request the servlet request
* @return a String containing the XML response
* @throws OAIInternalServerError an http 500 status error occurred
*/
public static String construct(
HashMap context,
HttpServletRequest request,
HttpServletResponse response,
Transformer serverTransformer)
throws OAIInternalServerError, TransformerException {
Properties properties = (Properties) context.get("OAIHandler.properties");
AbstractCatalog abstractCatalog = (AbstractCatalog) context.get("OAIHandler.catalog");
String baseURL = properties.getProperty("OAIHandler.baseURL");
if (baseURL == null) {
try {
baseURL = request.getRequestURL().toString();
} catch (java.lang.NoSuchMethodError f) {
baseURL = request.getRequestURL().toString();
}
}
StringBuilder sb = new StringBuilder();
String identifier = request.getParameter("identifier");
String metadataPrefix = request.getParameter("metadataPrefix");
LOGGER.debug("GetRecord.constructGetRecord: identifier=" + identifier);
LOGGER.debug("GetRecord.constructGetRecord: metadataPrefix=" + metadataPrefix);
sb.append("<?xml version=\"1.0\" encoding=\"UTF-8\" ?>");
String styleSheet = properties.getProperty("OAIHandler.styleSheet");
if (styleSheet != null) {
sb.append("<?xml-stylesheet type=\"text/xsl\" href=\"");
sb.append(styleSheet);
sb.append("\"?>");
}
sb.append("<OAI-PMH xmlns=\"http://www.openarchives.org/OAI/2.0/\"");
sb.append(" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"");
String extraXmlns = properties.getProperty("OAIHandler.extraXmlns");
if (extraXmlns != null) {
sb.append(" ").append(extraXmlns);
}
sb.append(" xsi:schemaLocation=\"http://www.openarchives.org/OAI/2.0/");
sb.append(" http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd\">");
sb.append("<responseDate>");
sb.append(createResponseDate(new Date()));
sb.append("</responseDate>");
Crosswalks crosswalks = abstractCatalog.getCrosswalks();
try {
if (metadataPrefix == null
|| metadataPrefix.length() == 0
|| identifier == null
|| identifier.length() == 0
|| hasBadArguments(request, validParamNames.iterator(), validParamNames)) {
throw new BadArgumentException();
} else if (!crosswalks.containsValue(metadataPrefix)) {
throw new CannotDisseminateFormatException(metadataPrefix);
} else {
String record = abstractCatalog.getRecord(identifier, metadataPrefix);
if (record != null) {
sb.append(getRequestElement(request, validParamNames, baseURL));
sb.append("<GetRecord>");
sb.append(record);
sb.append("</GetRecord>");
} else {
throw new IdDoesNotExistException(identifier);
}
}
} catch (BadArgumentException e) {
sb.append("<request verb=\"GetRecord\">");
sb.append(baseURL);
sb.append("</request>");
sb.append(e.getMessage());
} catch (CannotDisseminateFormatException e) {
sb.append(getRequestElement(request, validParamNames, baseURL));
sb.append(e.getMessage());
} catch (IdDoesNotExistException e) {
sb.append(getRequestElement(request, validParamNames, baseURL));
sb.append(e.getMessage());
}
sb.append("</OAI-PMH>");
return render(response, "text/xml; charset=UTF-8", sb.toString(), serverTransformer);
}
public static String construct(
HashMap context,
HttpServletRequest request,
HttpServletResponse response,
Transformer serverTransformer)
throws OAIInternalServerError, TransformerException {
Properties properties = (Properties) context.get("OAIHandler.properties");
AbstractCatalog abstractCatalog = (AbstractCatalog) context.get("OAIHandler.catalog");
boolean xmlEncodeSetSpec =
"true".equalsIgnoreCase(properties.getProperty("OAIHandler.xmlEncodeSetSpec"));
boolean urlEncodeSetSpec =
!"false".equalsIgnoreCase(properties.getProperty("OAIHandler.urlEncodeSetSpec"));
String baseURL = properties.getProperty("OAIHandler.baseURL");
if (baseURL == null) {
try {
baseURL = request.getRequestURL().toString();
} catch (java.lang.NoSuchMethodError f) {
baseURL = HttpUtils.getRequestURL(request).toString();
}
}
StringBuffer sb = new StringBuffer();
String oldResumptionToken = request.getParameter("resumptionToken");
String metadataPrefix = request.getParameter("metadataPrefix");
if (metadataPrefix != null && metadataPrefix.length() == 0) metadataPrefix = null;
sb.append("<?xml version=\"1.0\" encoding=\"UTF-8\" ?>");
String styleSheet = properties.getProperty("OAIHandler.styleSheet");
if (styleSheet != null) {
sb.append("<?xml-stylesheet type=\"text/xsl\" href=\"");
sb.append(styleSheet);
sb.append("\"?>");
}
sb.append("<OAI-PMH xmlns=\"http://www.openarchives.org/OAI/2.0/\"");
sb.append(" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"");
sb.append(" xsi:schemaLocation=\"http://www.openarchives.org/OAI/2.0/");
sb.append(" http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd\">");
sb.append("<responseDate>");
sb.append(createResponseDate(new Date()));
sb.append("</responseDate>");
// sb.append("<requestURL>");
// sb.append(getRequestURL(request));
// sb.append("</requestURL>");
if (!abstractCatalog.isHarvestable()) {
sb.append("<request verb=\"ListIdentifiers\">");
sb.append(baseURL);
sb.append("</request>");
sb.append("<error code=\"badArgument\">Database is unavailable for harvesting</error>");
} else {
ArrayList validParamNames = null;
ArrayList requiredParamNames = null;
Map listIdentifiersMap = null;
if (oldResumptionToken == null) {
validParamNames = validParamNames1;
requiredParamNames = requiredParamNames1;
String from = request.getParameter("from");
String until = request.getParameter("until");
try {
if (from != null && from.length() > 0 && from.length() < 10) {
throw new BadArgumentException();
}
if (until != null && until.length() > 0 && until.length() < 10) {
throw new BadArgumentException();
}
if (from != null && until != null && from.length() != until.length()) {
throw new BadArgumentException();
}
if (from == null || from.length() == 0) {
// from = "0001-01-01";
from = Constants.DateTime.MIN_FROM_DATE;
// from = "0000";
}
/* else{
from = abstractCatalog.toFinestFrom(from);
}*/
if (until == null || until.length() == 0) {
// until = "9999-12-31";
until = Constants.DateTime.MAX_TO_DATE;
// until = "9999";
}
/* else{
until = abstractCatalog.toFinestUntil(until);
}
*/
from = abstractCatalog.toFinestFrom(from);
until = abstractCatalog.toFinestUntil(until);
if (from.compareTo(until) > 0) throw new BadArgumentException();
String set = request.getParameter("set");
if (set != null) {
if (set.length() == 0) set = null;
else if (urlEncodeSetSpec) set = set.replace(' ', '+');
}
Crosswalks crosswalks = abstractCatalog.getCrosswalks();
if (metadataPrefix == null) {
throw new BadArgumentException();
}
if (!crosswalks.containsValue(metadataPrefix)) {
throw new CannotDisseminateFormatException(metadataPrefix);
} else {
listIdentifiersMap = abstractCatalog.listIdentifiers(from, until, set, metadataPrefix);
}
} catch (NoItemsMatchException e) {
sb.append(getRequestElement(request, validParamNames, baseURL, xmlEncodeSetSpec));
sb.append(e.getMessage());
} catch (BadArgumentException e) {
sb.append("<request verb=\"ListIdentifiers\">");
// sb.append(HttpUtils.getRequestURL(request));
sb.append(baseURL);
sb.append("</request>");
sb.append(e.getMessage());
// } catch (BadGranularityException e) {
// sb.append(getRequestElement(request));
// sb.append(e.getMessage());
} catch (CannotDisseminateFormatException e) {
sb.append(getRequestElement(request, validParamNames, baseURL, xmlEncodeSetSpec));
sb.append(e.getMessage());
} catch (NoSetHierarchyException e) {
sb.append(getRequestElement(request, validParamNames, baseURL, xmlEncodeSetSpec));
sb.append(e.getMessage());
}
} else {
validParamNames = validParamNames2;
requiredParamNames = requiredParamNames2;
if (hasBadArguments(request, requiredParamNames.iterator(), validParamNames)) {
sb.append(getRequestElement(request, validParamNames, baseURL, xmlEncodeSetSpec));
sb.append(new BadArgumentException().getMessage());
} else {
try {
listIdentifiersMap = abstractCatalog.listIdentifiers(oldResumptionToken);
} catch (BadResumptionTokenException e) {
sb.append(getRequestElement(request, validParamNames, baseURL, xmlEncodeSetSpec));
sb.append(e.getMessage());
}
}
}
if (listIdentifiersMap != null) {
sb.append(getRequestElement(request, validParamNames, baseURL, xmlEncodeSetSpec));
if (hasBadArguments(request, requiredParamNames.iterator(), validParamNames)) {
sb.append(new BadArgumentException().getMessage());
} else {
sb.append("<ListIdentifiers>");
Iterator identifiers = (Iterator) listIdentifiersMap.get("headers");
while (identifiers.hasNext()) {
sb.append((String) identifiers.next());
}
Map newResumptionMap = (Map) listIdentifiersMap.get("resumptionMap");
if (newResumptionMap != null) {
String newResumptionToken = (String) newResumptionMap.get("resumptionToken");
String expirationDate = (String) newResumptionMap.get("expirationDate");
String completeListSize = (String) newResumptionMap.get("completeListSize");
String cursor = (String) newResumptionMap.get("cursor");
sb.append("<resumptionToken");
if (expirationDate != null) {
sb.append(" expirationDate=\"");
sb.append(expirationDate);
sb.append("\"");
}
if (completeListSize != null) {
sb.append(" completeListSize=\"");
sb.append(completeListSize);
sb.append("\"");
}
if (cursor != null) {
sb.append(" cursor=\"");
sb.append(cursor);
sb.append("\"");
}
sb.append(">");
sb.append(newResumptionToken);
sb.append("</resumptionToken>");
} else if (oldResumptionToken != null) {
sb.append("<resumptionToken />");
}
sb.append("</ListIdentifiers>");
}
}
}
sb.append("</OAI-PMH>");
if (debug) {
log.info("ListIdentifiers.constructListIdentifiers: returning: " + sb.toString());
}
return render(response, "text/xml; charset=UTF-8", sb.toString(), serverTransformer);
}