/**
* Prints a link.
*
* @param link resource link
* @param more flag to indicate if there will be more arguments
*/
protected void printLink(ResourceLink link, boolean more, String format) {
if (!link.getTag().isEmpty() && !link.getUrl().isEmpty()) {
println("{");
levelUp();
printLinkArg("accessURL", link.getUrl(), true);
printLinkArg("format", format, false);
levelDown();
println("}" + (more ? "," : ""));
}
}
/**
* Finds metadata url from resource links
*
* @param links the resource links
* @return the metadata url
*/
private String getIdentifierUrl(ResourceLinks links) {
String identifierUrl = "";
for (int j = 0; j < links.size(); j++) {
ResourceLink link = links.get(j);
if (link.getTag().equals(ResourceLink.TAG_METADATA)) {
identifierUrl = link.getUrl();
return identifierUrl;
}
}
return identifierUrl;
}
/**
* Prints all links.
*
* @param links collection of resource links
* @param before flag to indicate if there will be more arguments
*/
protected void printLinks(ResourceLinks links, boolean more, boolean before) {
if (before) {
print(false, ",");
print(false, "\r\n");
}
println("\"distribution\"" + sp() + ":" + sp() + "[");
levelUp();
boolean moreLinks = false;
for (int j = 0; j < links.size(); j++) {
boolean bPrintLink = false;
String format = "";
ResourceLink link = links.get(j);
/*if (link.getTag().equals(ResourceLink.TAG_OPEN)) {
defaultValues.put("webService", link.getUrl());
}*/
if (link.getTag().equals(ResourceLink.TAG_METADATA)) {
bPrintLink = true;
if (!moreLinks) {
moreLinks = true;
} else {
moreLinks = false;
}
format = "text/xml";
}
if (link.getTag().equals(ResourceLink.TAG_DETAILS)) {
bPrintLink = true;
if (!moreLinks) {
moreLinks = true;
} else {
moreLinks = false;
}
format = "text/html";
}
if (bPrintLink) {
printLink(link, moreLinks, format);
}
}
levelDown();
println("]" + (more ? "," : ""));
}
/**
* Writes fields value to response using field mappings.
*
* @param index the lucene index records
* @param fieldName the lucene field
* @param jsonKey the dcat field
* @param delimiter the delimiter in lucene field
* @param before the indentation flag
* @param isDate true if date field
* @return always <code>true</code>
*/
private boolean writeField(
IFeedRecord r,
Map<String, IFeedAttribute> index,
DcatField dcatField,
String delimiter,
boolean before) {
String indexFieldName = dcatField.getIndex();
String dcatFieldName = dcatField.getName();
String fieldType = dcatField.getType();
String fldValues = "";
String[] flds = indexFieldName.split(",");
for (String fld : flds) {
IFeedAttribute indexValue = index.get(fld);
String val = "";
if (indexValue == null) {
if (dcatField.isRequired()) {
if (dcatFieldName.equalsIgnoreCase("accessURL")) {
ResourceLinks links = r.getResourceLinks();
for (int j = 0; j < links.size(); j++) {
ResourceLink link = links.get(j);
if (link.getTag().equals(ResourceLink.TAG_METADATA)) {
val = link.getUrl();
break;
}
}
} else {
val = defaultValues.get(dcatFieldName);
}
} else {
continue;
}
} else {
val = "" + indexValue;
if (dcatFieldName.equalsIgnoreCase("format") && val.equalsIgnoreCase("[\"unknown\"]")) {
val = defaultValues.get(dcatFieldName);
}
}
String cleanedVal = cleanValue(val, fieldType, dcatFieldName, dcatField);
if (dcatFieldName.equalsIgnoreCase("dataDictionary")
&& !(cleanedVal.startsWith("http://") || cleanedVal.startsWith("https://"))) {
continue;
}
if (!fldValues.contains(cleanedVal)) {
if (fldValues.length() > 0) {
StringBuilder sb = new StringBuilder();
if (fieldType.equalsIgnoreCase("array")) {
if (!cleanedVal.equalsIgnoreCase(defaultValues.get(dcatFieldName))) {
if (fldValues.startsWith("[") && fldValues.endsWith("]")) {
fldValues = fldValues.replace("[", "").replace("]", "");
}
if (cleanedVal.startsWith("[") && cleanedVal.endsWith("]")) {
cleanedVal = cleanedVal.replace("[", "").replace("]", "");
}
sb.append("[").append(fldValues).append(delimiter).append(cleanedVal).append("]");
fldValues = sb.toString();
}
} else {
sb.append(fldValues).append(delimiter).append(cleanedVal);
fldValues = sb.toString();
}
} else {
fldValues += cleanedVal;
}
}
}
if (fldValues.length() == 0) {
fldValues = defaultValues.get(dcatFieldName);
if (fldValues == null) {
fldValues = "";
}
}
if (fldValues.length() > 0) {
fldValues = fldValues.replaceAll(",", ", ");
if (before) {
print(false, ",");
print(false, "\r\n");
}
if (!fldValues.startsWith("\"")
&& !fldValues.startsWith("[")
&& !fldValues.endsWith("\"")
&& !fldValues.endsWith("]")) {
fldValues = "\"" + fldValues + "\"";
}
print(before, "\"" + dcatFieldName + "\"" + sp() + ":" + sp() + fldValues);
before = true;
}
return before;
}