/**
* Check the given class for any @parameter annotated fields.
*
* @param clazz
* @return
*/
public static Map<String, ParameterType> discoverParameterTypes(Class<?> clazz) {
log.debug("------------------------------------------------------------------------");
log.debug("Exploring ParameterTypes for class '{}'", clazz);
Map<String, ParameterType> types = new LinkedHashMap<String, ParameterType>();
Field[] fields = clazz.getDeclaredFields();
log.debug("Found {} fields", fields.length);
for (Field field : fields) {
ParameterType type = null;
Parameter param = field.getAnnotation(Parameter.class);
if (param != null) {
log.debug("Found @parameter annotated field '{}'", field.getName());
log.debug(" field.getType() = {}", field.getType());
type = getParameterType(param, field.getName(), field.getType());
/*
if( field.getType().equals( String.class ) ){
log.debug( "Field is a String" );
if( param.values() != null ){
type = new ParameterTypeString( param.name(), desc, !param.required() );
} else {
type = new ParameterTypeString( param.name(), desc, !param.required() );
}
}
if( field.getType().equals( Integer.class ) || field.getType().equals( Long.class ) ){
log.debug( "Field {} is an Integer!", field.getName() );
type = new ParameterTypeInt( param.name(), desc, (new Double(param.min())).intValue(), (new Double(param.max())).intValue(), !param.required() );
}
if( field.getType().equals( Boolean.class ) ){
log.debug( "Field {} is a Boolean!", field.getName() );
type = new ParameterTypeBoolean( param.name(), desc, !param.required() );
}
*/
if (type != null) {
log.debug("Adding new parameter-type {}", type);
types.put(param.name(), type);
} else {
log.error(
"Failed to properly determine annotated field {} in class {}",
field.getName(),
clazz.getName());
}
} else {
log.debug("Field '{}' is not annotated as parameter", field.getName());
}
}
for (Method m : clazz.getMethods()) {
log.trace("Checking method {}", m);
if (ParameterDiscovery.isSetter(m)) {
log.debug("Found setter '{}'", m.getName());
String key = m.getName().substring(3, 4).toLowerCase();
if (types.containsKey(key)) {
log.debug("Already have annotated field for key '{}', skipping setter {}", key, m);
continue;
}
if (m.getName().length() > 4) key += m.getName().substring(4);
Parameter param = m.getAnnotation(Parameter.class);
if (param != null && !"".equals(param.name().trim())) {
key = param.name();
log.debug("Setting parameter for method '{}' to key '{}'", m.getName(), key);
}
Class<?>[] t = m.getParameterTypes();
if (t[0] == EmbeddedContent.class) {
log.debug("Found EmbeddedContent parameter, key = '{}'", key);
ParameterType type = new ParameterTypeText(key, "", TextType.JAVA);
types.put(key, type);
continue;
}
ParameterType type = getParameterType(param, key, m.getParameterTypes()[0]);
if (type != null) {
log.debug("Adding parameter-type: {}", type);
types.put(key, type);
log.debug(" => parameter '{}'", key);
}
}
}
if (log.isDebugEnabled()) {
for (String key : types.keySet()) {
ParameterType type = types.get(key);
log.debug(" key '{}' => {} (name: " + type.getKey() + ")", key, type);
}
}
log.debug("------------------------------------------------------------------------");
return types;
}
public static ParameterType getParameterType(Parameter param, String name, Class<?> type) {
String desc = "";
ParameterType pt = null;
String key = name;
if (param != null && param.name() != null && !"".equals(param.name().trim())) {
key = param.name();
}
if (param != null && param.description() != null) {
desc = param.description();
}
if (type.equals(String.class)) {
log.debug("ParameterType is a String");
if (param != null && param.values() != null) {
pt = new ParameterTypeString(key, desc, !param.required());
} else {
pt = new ParameterTypeString(key, desc, false);
}
if (param != null && param.defaultValue() != null) pt.setDefaultValue(param.defaultValue());
if (param != null && param.values() != null && param.values().length > 1) {
log.info("Found category-parameter!");
ParameterTypeCategory cat = new ParameterTypeCategory(key, desc, param.values(), 0);
return cat;
}
return pt;
}
if (type.equals(Double.class)) {
log.debug("ParameterType {} is a Double!");
if (param != null) {
pt = new ParameterTypeDouble(key, desc, param.min(), param.max(), !param.required());
} else pt = new ParameterTypeDouble(key, desc, Double.MIN_VALUE, Double.MAX_VALUE, 0.0d);
if (param != null && param.defaultValue() != null) {
pt.setDefaultValue(new Double(param.defaultValue()));
}
return pt;
}
if (type.equals(Integer.class) || type.equals(Long.class)) {
log.debug("ParameterType {} is an Integer!", type);
if (param != null) {
pt =
new ParameterTypeInt(
key,
desc,
(new Double(param.min())).intValue(),
(new Double(param.max())).intValue(),
!param.required());
} else {
pt = new ParameterTypeInt(key, desc, 0, Integer.MAX_VALUE, true);
}
if (param != null && param.defaultValue() != null) {
pt.setDefaultValue(new Integer(param.defaultValue()));
}
return pt;
}
if (type.equals(Boolean.class)) {
log.debug("ParameterType {} is a Boolean!");
if (param != null) pt = new ParameterTypeBoolean(key, desc, !param.required());
else pt = new ParameterTypeBoolean(key, desc, true);
if (param != null && param.defaultValue() != null) {
pt.setDefaultValue(new Boolean(param.defaultValue()));
}
return pt;
}
if (type.equals(File.class)) {
pt = new ParameterTypeFile(key, desc, null, !param.required());
return pt;
}
if (Map.class.isAssignableFrom(type)) {
log.info("Found Map parameter... ");
pt =
new ParameterTypeList(
key, desc, new ParameterTypeString("key", ""), new ParameterTypeString("value", ""));
return pt;
}
return pt;
}
