public boolean checkForParams(final ParsedURL purl) {
if (params != null) {
HashMap<String, String> purlParams = purl.extractParams(true);
for (MetaMetadataSelectorParam param : params) {
String paramName = param.getName();
String paramValue = param.getValue();
String paramValueIsNot = param.getValueIsNot();
String actualValue = purlParams == null ? null : purlParams.get(paramName);
if (actualValue == null) {
actualValue = "";
}
if (paramValue != null && paramValue.length() > 0) {
boolean allowEmptyAndIsEmpty = param.isAllowEmptyValue() && actualValue.length() == 0;
if (!allowEmptyAndIsEmpty && !paramValue.equals(actualValue)) {
return false;
}
}
if (paramValueIsNot != null && paramValueIsNot.length() > 0) {
if (paramValueIsNot.equals(actualValue)) {
return false;
}
}
}
}
return true;
}
void addParam(MetaMetadataSelectorParam param) {
if (params == null) params = new HashMapArrayList<String, MetaMetadataSelectorParam>();
params.put(param.getName(), param);
}