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Copy pathAbstractElement.java
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215 lines (179 loc) · 5.62 KB
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package org.javawebstack.abstractdata;
import org.javawebstack.abstractdata.json.JsonDumper;
import org.javawebstack.abstractdata.json.JsonParser;
import org.javawebstack.abstractdata.util.QueryString;
import org.yaml.snakeyaml.DumperOptions;
import org.yaml.snakeyaml.Yaml;
import java.text.ParseException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public interface AbstractElement {
Type getType();
default boolean isPrimitive() {
return false;
}
default boolean isObject() {
return false;
}
default boolean isArray() {
return false;
}
default boolean isNull() {
return false;
}
default boolean isNumber() {
return false;
}
default boolean isBoolean() {
return false;
}
default boolean isString() {
return false;
}
default AbstractPrimitive primitive() {
return null;
}
default AbstractArray array() {
return null;
}
default AbstractObject object() {
return null;
}
default String string() {
if (!isString())
return null;
return primitive().string();
}
default Boolean bool() {
if (!isBoolean())
return null;
return primitive().bool();
}
default Number number() {
if (!isNumber())
return null;
return primitive().number();
}
default String toJsonString(boolean pretty) {
return new JsonDumper().setPretty(pretty).dump(this);
}
default String toJsonString() {
return toJsonString(false);
}
Object toObject();
default String toYaml(boolean pretty) {
Yaml yaml;
if (pretty) {
DumperOptions options = new DumperOptions();
options.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);
options.setPrettyFlow(true);
yaml = new Yaml(options);
} else {
yaml = new Yaml();
}
return yaml.dump(toObject());
}
default String toYaml() {
return toYaml(true);
}
static AbstractElement fromYaml(String source, boolean singleRoot) {
Yaml yaml = new Yaml();
Object object = yaml.load(source);
if (singleRoot && object instanceof List) {
List<Object> list = (List<Object>) object;
if (list.size() == 0) {
object = new HashMap<>();
} else {
object = list.get(0);
}
}
return fromAbstractObject(object);
}
static AbstractElement fromYaml(String source) {
return fromYaml(source, false);
}
static AbstractElement fromAbstractObject(Object object) {
if (object == null)
return AbstractNull.INSTANCE;
if (object instanceof List) {
List<Object> list = (List<Object>) object;
AbstractArray array = new AbstractArray();
list.forEach(e -> array.add(fromAbstractObject(e)));
return array;
}
if (object instanceof Map) {
Map<String, Object> map = (Map<String, Object>) object;
AbstractObject graphObject = new AbstractObject();
map.forEach((k, v) -> graphObject.set(k, fromAbstractObject(v)));
return graphObject;
}
if (object instanceof Number)
return new AbstractPrimitive((Number) object);
if (object instanceof String)
return new AbstractPrimitive((String) object);
if (object instanceof Boolean)
return new AbstractPrimitive((Boolean) object);
return AbstractNull.INSTANCE;
}
default QueryString toFormData() {
Map<String[], Object> tree = toTree();
QueryString data = new QueryString();
for (String[] key : tree.keySet())
data.set(key, tree.get(key) == null ? "" : tree.get(key).toString());
return data;
}
default String toFormDataString() {
return toFormData().toString();
}
AbstractElement clone();
Map<String[], Object> toTree();
static AbstractElement fromJson(String json) {
try {
return new JsonParser().parse(json);
} catch (ParseException e) {
e.printStackTrace();
return null;
}
}
static AbstractElement fromTree(Map<String[], Object> tree) {
AbstractObject object = new AbstractObject();
for (String[] key : tree.keySet()) {
AbstractObject current = object;
Object value = tree.get(key);
int offset = 0;
while (key.length - offset > 1) {
if (current.has(key[offset])) {
current = current.get(key[offset]).object();
} else {
AbstractObject n = new AbstractObject();
current.set(key[offset], n);
current = n;
}
offset++;
}
current.set(key[offset], AbstractPrimitive.from(value));
}
return object;
}
static AbstractElement fromFormData(Map<String, String> formData) {
return fromFormData(new QueryString(formData));
}
static AbstractElement fromFormData(QueryString formData) {
return fromTree(formData.toTree());
}
static AbstractElement fromFormData(String formData) {
return fromFormData(new QueryString(formData));
}
enum Type {
NULL,
STRING,
NUMBER,
BOOLEAN,
OBJECT,
ARRAY;
public boolean isPrimitive() {
return this == NUMBER || this == BOOLEAN || this == STRING;
}
}
}