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229 lines (182 loc) · 6.08 KB
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package org.javawebstack.abstractdata;
import org.javawebstack.abstractdata.collector.AbstractObjectCollector;
import java.lang.reflect.Field;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Set;
import java.util.function.BiConsumer;
import java.util.function.Function;
import java.util.stream.Collector;
import java.util.stream.Stream;
public class AbstractObject implements AbstractElement {
private final Map<String, AbstractElement> entries = new LinkedHashMap<>();
public Set<Map.Entry<String, AbstractElement>> entries() {
return entries.entrySet();
}
public AbstractObject setNull(String key) {
set(key, AbstractNull.INSTANCE);
return this;
}
public AbstractObject set(String key, AbstractElement value) {
if (value == null)
value = AbstractNull.INSTANCE;
entries.put(key, value);
return this;
}
public AbstractObject set(String key, Number value) {
if (value == null)
return setNull(key);
return set(key, new AbstractPrimitive(value));
}
public AbstractObject set(String key, Boolean value) {
if (value == null)
return setNull(key);
return set(key, new AbstractPrimitive(value));
}
public AbstractObject set(String key, String value) {
if (value == null)
return setNull(key);
return set(key, new AbstractPrimitive(value));
}
public AbstractObject remove(String key) {
entries.remove(key);
return this;
}
public AbstractObject clear() {
entries.clear();
return this;
}
public boolean isObject() {
return true;
}
public AbstractObject object() {
return this;
}
public AbstractElement get(String key) {
return entries.get(key);
}
public AbstractElement get(String key, AbstractElement orElse) {
AbstractElement value = get(key);
return (has(key) && !value.isNull()) ? value : orElse;
}
public AbstractElement query(String query) {
String[] q = query.split("\\.", 2);
AbstractElement e = get(q[0]);
if(e == null || q.length == 1)
return e;
if(e.isObject())
return e.object().query(q[1]);
if(e.isArray())
return e.array().query(q[1]);
return null;
}
public AbstractElement query(String query, AbstractElement orElse) {
AbstractElement value = query(query);
return (value != null && !value.isNull()) ? value : orElse;
}
public boolean has(String key) {
return entries.containsKey(key);
}
public int size() {
return entries.size();
}
public AbstractArray array() {
AbstractArray array = new AbstractArray();
for (int i = 0; i < size(); i++) {
if (!has(String.valueOf(i)))
return null;
array.add(get(String.valueOf(i)));
}
return array;
}
public AbstractObject object(String key) {
return query(key).object();
}
public AbstractObject object(String key, AbstractObject orElse) {
return query(key, orElse).object();
}
public AbstractArray array(String key) {
return query(key).array();
}
public AbstractArray array(String key, AbstractArray orElse) {
return query(key, orElse).array();
}
public AbstractPrimitive primitive(String key) {
return query(key).primitive();
}
public AbstractPrimitive primitive(String key, AbstractPrimitive orElse) {
return query(key, orElse).primitive();
}
public String string(String key) {
return query(key).string();
}
public String string(String key, String orElse) {
return query(key, new AbstractPrimitive(orElse)).string();
}
public Boolean bool(String key) {
return query(key).bool();
}
public Boolean bool(String key, Boolean orElse) {
return query(key, new AbstractPrimitive(orElse)).bool();
}
public Number number(String key) {
return query(key).number();
}
public Number number(String key, Number orElse) {
return query(key, new AbstractPrimitive(orElse)).number();
}
public Object toObject() {
Map<String, Object> map = new HashMap<>();
forEach((k, v) -> map.put(k, v.toObject()));
return map;
}
public Type getType() {
return Type.OBJECT;
}
public AbstractObject forEach(BiConsumer<String, AbstractElement> biConsumer) {
entries.forEach(biConsumer);
return this;
}
public <T> T fill(Object object) {
Class clazz = object.getClass();
for (Field field : clazz.getFields()) {
if (has(field.getName())) {
field.setAccessible(true);
try {
field.set(object, get(field.getName()).toObject());
} catch (IllegalAccessException e) {
e.printStackTrace();
}
}
}
return (T) object;
}
public Map<String[], Object> toTree() {
Map<String[], Object> tree = new HashMap<>();
forEach((key, value) -> value.toTree().forEach((keys, v) -> {
String[] k = new String[keys.length + 1];
k[0] = key;
System.arraycopy(keys, 0, k, 1, keys.length);
tree.put(k, v);
}));
return tree;
}
public Set<String> keys() {
return entries.keySet();
}
public AbstractArray values() {
return AbstractArray.fromList(entries.values());
}
public Stream<Map.Entry<String, AbstractElement>> stream() {
return entries().stream();
}
public AbstractElement clone() {
AbstractObject object = new AbstractObject();
forEach((k, v) -> object.set(k, v.clone()));
return object;
}
public static <T> Collector<T, ?, AbstractObject> collect(Function<T, String> keyFunction, Function<T, AbstractElement> valueFunction) {
return new AbstractObjectCollector<>(keyFunction, valueFunction);
}
}