/** Builds query parameter line by figuring out what should be submitted */
private StringBuilder buildParameterList(Method method, StringBuilder query) {
for (Parameter p : ReflectionUtils.getParameters(method)) {
QueryParameter qp = p.annotation(QueryParameter.class);
if (qp != null) {
String name = qp.value();
if (name.length() == 0) name = p.name();
if (name == null || name.length() == 0)
continue; // unknown parameter name. we'll report the error when the form is submitted.
RelativePath rp = p.annotation(RelativePath.class);
if (rp != null) name = rp.value() + '/' + name;
if (query.length() == 0) query.append("+qs(this)");
if (name.equals("value")) {
// The special 'value' parameter binds to the the current field
query.append(".addThis()");
} else {
query.append(".nearBy('" + name + "')");
}
continue;
}
Method m = ReflectionUtils.getPublicMethodNamed(p.type(), "fromStapler");
if (m != null) buildParameterList(m, query);
}
return query;
}
/**
* Converts a POJO to a list of query string parameters, does not support nesting.
*
* @param object to convert to query string parameters
* @return A list of NameValuePair each representing a different parameter
* @throws IllegalAccessException if SecurityPolicy does not allow getting value using reflection
*/
public static List<NameValuePair> convertObjectToParameters(Object object)
throws IllegalAccessException {
List<NameValuePair> parameters = new ArrayList<>();
Field[] fields = object.getClass().getDeclaredFields();
for (Field f : fields) {
QueryParameter annot = f.getAnnotation(QueryParameter.class);
if (annot != null) {
f.setAccessible(true);
Object fieldValue = f.get(object);
// skip if null
if (fieldValue == null) {
continue;
}
// if array add multiple parameters
if (fieldValue.getClass().isArray()) {
for (int i = 0; i < Array.getLength(fieldValue); i++) {
parameters.add(
new BasicNameValuePair(annot.value(), Array.get(fieldValue, i).toString()));
}
} else if (fieldValue instanceof Iterable) { // or iterable
for (Object element : (Iterable) fieldValue) {
parameters.add(new BasicNameValuePair(annot.value(), element.toString()));
}
} else {
// Convert booleans to numbers
if (fieldValue instanceof Boolean && ((Boolean) fieldValue).booleanValue()) {
parameters.add(new BasicNameValuePair(annot.value(), "1"));
} else {
parameters.add(new BasicNameValuePair(annot.value(), fieldValue.toString()));
}
}
}
}
return parameters;
}
private List<String> buildFillDependencies(Method method, List<String> depends) {
for (Parameter p : ReflectionUtils.getParameters(method)) {
QueryParameter qp = p.annotation(QueryParameter.class);
if (qp != null) {
String name = qp.value();
if (name.length() == 0) name = p.name();
if (name == null || name.length() == 0)
continue; // unknown parameter name. we'll report the error when the form is submitted.
RelativePath rp = p.annotation(RelativePath.class);
if (rp != null) name = rp.value() + '/' + name;
depends.add(name);
continue;
}
Method m = ReflectionUtils.getPublicMethodNamed(p.type(), "fromStapler");
if (m != null) buildFillDependencies(m, depends);
}
return depends;
}
