/**
* Look up database accessibility information for specified unit.
*
* @param u The unit which should get accessibility info assigned to it.
* @param form The AccessibilityDatabaseFilterForm to fetch the language id to use.
*/
public void assignAccessibilityDatabaseInfo(Unit u, AccessibilityDatabaseFilterForm form) {
if (this.useAccessibilityDatabaseIntegration) {
// First find out the accessibility database id
if (assignAccessibilityDatabaseId(u)) {
int languageId = Integer.parseInt(form.getLanguageId());
String url =
accessibilityDatabaseIntegrationGetInfoUrl
+ languageId
+ "&facilityId="
+ u.getAccessibilityDatabaseId();
String content = httpFetcher.fetchUrl(url);
// Now read the content and get accessibility info
Document doc = DocumentHelper.getDocumentFromString(content);
doc.normalize();
// Get business object (there is only one)
NodeList businessObjectNodeList = doc.getElementsByTagName("businessobject");
AccessibilityObject businessObject = null;
for (int i = 0; i < businessObjectNodeList.getLength(); i++) {
businessObject =
AccessibilityObject.createAccessibilityObjectFromNode(businessObjectNodeList.item(i));
}
// Get sub objects
NodeList subObjectNodeList = doc.getElementsByTagName("subobject");
ArrayList<AccessibilityObject> subObjects = new ArrayList<AccessibilityObject>();
for (int i = 0; i < subObjectNodeList.getLength(); i++) {
AccessibilityObject subObject =
AccessibilityObject.createAccessibilityObjectFromNode(subObjectNodeList.item(i));
subObjects.add(subObject);
}
AccessibilityInformation accessibilityInformation =
new AccessibilityInformation(businessObject, subObjects);
u.setAccessibilityInformation(accessibilityInformation);
}
}
}
/**
* Find out and assign the accessibility database id.
*
* @param u The Unit to assign accessibility information to.
* @return true if succeeded, false otherwise
*/
public boolean assignAccessibilityDatabaseId(Unit u) {
boolean result = true;
if (this.useAccessibilityDatabaseIntegration) {
// Get accessibility Id
String url = accessibilityDatabaseIntegrationGetIdUrl + u.getHsaIdentity();
String content = httpFetcher.fetchUrl(url);
// Now read the content into a XML document and get accessibility id
Document doc = DocumentHelper.getDocumentFromString(content);
try {
NodeList ids = doc.getElementsByTagName("string");
for (int i = 0; i < ids.getLength(); i++) {
String textContent = ids.item(i).getTextContent();
int accessabilityId = Integer.parseInt(textContent);
u.setAccessibilityDatabaseId(accessabilityId);
}
} catch (NumberFormatException e) {
logger.error("We did not get a valid accessability database id. Skip it.");
result = false;
}
}
return result;
}
