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Merged
BenCodez merged 1 commit into from
Sep 7, 2026
Merged

Extract platform-neutral configuration binding with Bukkit compatibility #75

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309 changes: 309 additions & 0 deletions SimpleAPI/src/main/java/com/bencodez/simpleapi/file/annotation/AnnotationBinder.java
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package com.bencodez.simpleapi.file.annotation;

import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import java.util.Objects;
import java.util.function.Function;

import com.bencodez.simpleapi.file.config.ConfigView;

import com.bencodez.simpleapi.time.ParsedDuration;

/**
* Platform-neutral implementation of the existing configuration annotations.
*
* <p>This is a compatibility extraction, not a change to the annotation rules.
* Field fallback values, empty-list handling, declared-field-only traversal,
* annotation order and per-field exception isolation are intentionally retained.
* In particular, the legacy zero-default long reflection behavior is unchanged.</p>
*/
public class AnnotationBinder {

private final Function<ConfigView, ?> sectionValue;

/** Creates a binder that assigns ConfigView values to section fields. */
public AnnotationBinder() {
this(view -> view);
}

/**
* Creates a binder with a platform-specific section projection. Only the
* compatibility adapter should unwrap a view to a native section. The
* projection is invoked for present sections, never for an absent section.
*
* @param sectionValue projection used for ConfigDataConfigurationSection
*/
public AnnotationBinder(Function<ConfigView, ?> sectionValue) {
this.sectionValue = Objects.requireNonNull(sectionValue, "sectionValue");
}

@SuppressWarnings("unchecked")
public void load(ConfigView config, Object classToLoad) {
Class<?> clazz = classToLoad.getClass();

for (Field field : clazz.getDeclaredFields()) {
try {
field.setAccessible(true);

ConfigDataString stringAnnotation = field.getAnnotation(ConfigDataString.class);
if (stringAnnotation != null) {

String defaultValue = stringAnnotation.defaultValue();
if (defaultValue.isEmpty()) {
try {
String v = (String) field.get(classToLoad);
defaultValue = v;
} catch (Exception e) {

}
}
String value = "";
if (!stringAnnotation.secondPath().isEmpty()) {
value = config.getString(stringAnnotation.path(),
config.getString(stringAnnotation.secondPath(), defaultValue));
} else {
value = config.getString(stringAnnotation.path(), defaultValue);
}

field.set(classToLoad, value);

}

ConfigDataBoolean booleanAnnotation = field.getAnnotation(ConfigDataBoolean.class);
if (booleanAnnotation != null) {
boolean defaultValue = booleanAnnotation.defaultValue();
if (!defaultValue) {
try {
boolean v = field.getBoolean(classToLoad);
defaultValue = v;
} catch (Exception e) {

}

}

boolean value = defaultValue;
if (config.contains(booleanAnnotation.path())) {
value = config.getBoolean(booleanAnnotation.path(), defaultValue);
} else if (!booleanAnnotation.secondPath().isEmpty()
&& config.contains(booleanAnnotation.secondPath())) {
value = config.getBoolean(booleanAnnotation.secondPath(), defaultValue);

if (booleanAnnotation.secondPathInvert()) {
value = !value;
}
} else {
value = config.getBoolean(booleanAnnotation.path(), defaultValue);
}

field.set(classToLoad, value);
}

ConfigDataInt intAnnotation = field.getAnnotation(ConfigDataInt.class);
if (intAnnotation != null) {
int defaultValue = intAnnotation.defaultValue();
if (defaultValue == 0) {
try {
int v = field.getInt(classToLoad);
defaultValue = v;
} catch (Exception e) {

}
}
int value = 0;
if (!intAnnotation.secondPath().isEmpty()) {
value = config.getInt(intAnnotation.path(),
config.getInt(intAnnotation.secondPath(), defaultValue));
} else {
value = config.getInt(intAnnotation.path(), defaultValue);
}

field.set(classToLoad, value);
}

ConfigDataLong longAnnotation = field.getAnnotation(ConfigDataLong.class);
if (longAnnotation != null) {
long defaultValue = longAnnotation.defaultValue();
if (defaultValue == 0) {
try {
int v = field.getInt(classToLoad);
defaultValue = v;
} catch (Exception e) {

}
}
long value = 0;
if (!longAnnotation.secondPath().isEmpty()) {
value = config.getLong(longAnnotation.path(),
config.getLong(longAnnotation.secondPath(), defaultValue));
} else {
value = config.getLong(longAnnotation.path(), defaultValue);
}

field.set(classToLoad, value);
}

ConfigDataDouble doubleAnnotation = field.getAnnotation(ConfigDataDouble.class);
if (doubleAnnotation != null) {
double defaultValue = doubleAnnotation.defaultValue();
if (defaultValue == 0) {
try {
double v = field.getDouble(classToLoad);
defaultValue = v;
} catch (Exception e) {

}
}
double value = 0;
if (!doubleAnnotation.secondPath().isEmpty()) {
value = config.getDouble(doubleAnnotation.path(),
config.getDouble(doubleAnnotation.secondPath(), defaultValue));
} else {
value = config.getDouble(doubleAnnotation.path(), defaultValue);
}

field.set(classToLoad, value);
}

ConfigDataListString listAnnotation = field.getAnnotation(ConfigDataListString.class);
if (listAnnotation != null) {
ArrayList<String> defaultValue = new ArrayList<>();
try {
ArrayList<String> v = (ArrayList<String>) field.get(classToLoad);
defaultValue = v;
} catch (Exception e) {

}

List<String> list = config.getStringList(listAnnotation.path());

if (list.isEmpty()) {
list = config.getStringList(listAnnotation.secondPath());
}

ArrayList<String> list1 = new ArrayList<>(list);
// use default value
if (list.isEmpty()) {
list1 = defaultValue;
}

field.set(classToLoad, list1);

/*
* ArrayList<String> value = null; if (!listAnnotation.secondPath().isEmpty()) {
* value = (ArrayList<String>) config.getList(listAnnotation.path(),
* config.getList(listAnnotation.secondPath(), defaultValue)); } else { value =
* (ArrayList<String>) config.getList(listAnnotation.path(), defaultValue); }
*
* field.set(classToLoad, value);
*/
}

ConfigDataListInt intListAnnotation = field.getAnnotation(ConfigDataListInt.class);
if (intListAnnotation != null) {
ArrayList<Integer> defaultValue = new ArrayList<>();
try {
ArrayList<Integer> v = (ArrayList<Integer>) field.get(classToLoad);
defaultValue = v;
} catch (Exception e) {

}

List<Integer> list = config.getIntegerList(intListAnnotation.path());

if (list.isEmpty()) {
list = config.getIntegerList(intListAnnotation.secondPath());
}

ArrayList<Integer> list1 = new ArrayList<>(list);
// use default value
if (list.isEmpty()) {
list1 = defaultValue;
}

field.set(classToLoad, list1);

/*
* ArrayList<String> value = null; if (!listAnnotation.secondPath().isEmpty()) {
* value = (ArrayList<String>) config.getList(listAnnotation.path(),
* config.getList(listAnnotation.secondPath(), defaultValue)); } else { value =
* (ArrayList<String>) config.getList(listAnnotation.path(), defaultValue); }
*
* field.set(classToLoad, value);
*/
}

ConfigDataKeys setAnnotation = field.getAnnotation(ConfigDataKeys.class);
if (setAnnotation != null) {
Set<String> value = new HashSet<>();
if (config.isConfigurationSection(setAnnotation.path())) {
value = config.getConfigurationSection(setAnnotation.path()).getKeys(false);
} else if (config.isConfigurationSection(setAnnotation.secondPath())
&& setAnnotation.secondPath().length() > 0) {
value = config.getConfigurationSection(setAnnotation.secondPath()).getKeys(false);
}
if (value != null) {
field.set(classToLoad, value);
}
}

ConfigDataConfigurationSection confAnnotation = field
.getAnnotation(ConfigDataConfigurationSection.class);
if (confAnnotation != null) {
ConfigView value = null;
if (config.isConfigurationSection(confAnnotation.path())) {
value = config.getConfigurationSection(confAnnotation.path());
} else if (config.isConfigurationSection(confAnnotation.secondPath())
&& !confAnnotation.secondPath().isEmpty()) {
value = config.getConfigurationSection(confAnnotation.secondPath());
}

field.set(classToLoad, value == null ? null : sectionValue.apply(value));
}

ConfigDataParsedDuration durationAnnotation = field.getAnnotation(ConfigDataParsedDuration.class);
if (durationAnnotation != null) {

String defaultValue = durationAnnotation.defaultValue();

if (defaultValue.isEmpty()) {
try {
Object v = field.get(classToLoad);
if (v != null) {
defaultValue = v.toString();
}
} catch (Exception e) {

}
}

String value = "";

if (!durationAnnotation.secondPath().isEmpty()) {
value = config.getString(durationAnnotation.path(),
config.getString(durationAnnotation.secondPath(), defaultValue));
} else {
value = config.getString(durationAnnotation.path(), defaultValue);
}

try {
// Assumes ParsedDuration has a constructor or static parse method
Object parsedDuration = ParsedDuration.parse(value, durationAnnotation.defaultTimeUnit());
field.set(classToLoad, parsedDuration);
} catch (Exception e) {
e.printStackTrace();
}
}

} catch (Exception e) {
e.printStackTrace();
}
}

}

}
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