org.ifinalframework.json.Json Maven / Gradle / Ivy
/*
* Copyright 2020-2021 the original author or authors.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.ifinalframework.json;
import org.springframework.lang.NonNull;
import org.springframework.lang.Nullable;
import java.lang.reflect.Type;
import java.util.List;
import java.util.Set;
import java.util.function.Supplier;
/**
* 统一的Json调用入口 为常用的Json序列化与反序列化提供统一的入口。
*
* @author likly
* @version 1.0.0
* @see JsonService
* @see JsonRegistry
* @since 1.0.0
*/
@SuppressWarnings("unused")
public final class Json {
private Json() {
throw new AssertionError("No Json instances for you!");
}
/**
* return the {@linkplain Object value} json string
*
* @param object the value
* @return the json string
* @throws JsonException json exception
*/
public static String toJson(final @Nullable Object object) {
return toJson(object, null);
}
/**
* return json string of {@linkplain Object object} with the {@linkplain Class view}.
*
* @param object the object
* @param view the view
* @return json string
* @throws JsonException json exception
*/
public static String toJson(final @Nullable Object object, final @Nullable Class view) {
if (object instanceof String) {
return ((String) object).trim();
}
return wrap(() -> JsonRegistry.getInstance().getJsonService().toJson(object, view));
}
/**
* return json value of {@linkplain String json}
*
* @param json json string
* @return json value
* @throws JsonException json exception
*/
public static Object toObject(final @Nullable String json) {
return toObject(json, Object.class);
}
/**
* return the json value of {@linkplain String json}
*
* @param json json string
* @param classOfT json value type
* @param json type
* @return json value
*/
public static T toObject(final @Nullable String json, final @NonNull Class classOfT) {
return toObject(json, classOfT, null);
}
/**
* return json value of {@linkplain String json}
*
* @param json json string
* @param classOfT json value type
* @param view json view
* @param json type
* @return json value
* @throws JsonException json exception
*/
@SuppressWarnings("unchecked")
public static T toObject(final @Nullable String json, final @NonNull Class classOfT,
final @Nullable Class view) {
if (String.class.equals(classOfT)) {
return (T) json;
}
return wrap(() -> JsonRegistry.getInstance().getJsonService().toObject(json, classOfT, view));
}
/**
* return json {@linkplain Object value} of json {@linkplain String json}.
*
* @param json json string
* @param typeOfT json value type
* @param json type
* @return json value
* @throws JsonException json exception
*/
public static T toObject(final @NonNull String json, final @NonNull TypeReference typeOfT) {
return toObject(json, typeOfT.getType());
}
/**
* return json {@linkplain Object value} of json {@linkplain String json}.
*
* @param json json string
* @param typeOfT json value type
* @param json type
* @return json value
* @throws JsonException json exception
*/
public static T toObject(final @NonNull String json, final @NonNull Type typeOfT) {
return toObject(json, typeOfT, null);
}
/**
* return json {@linkplain Object value} of json {@linkplain String json}.
*
* @param json json string
* @param typeOfT json value type
* @param view json view
* @param json type
* @return json value
* @throws JsonException json exception
*/
public static T toObject(final @NonNull String json, final @NonNull TypeReference typeOfT,
@Nullable Class view) {
return toObject(json, typeOfT.getType(), view);
}
/**
* return json {@linkplain Object value} of json {@linkplain String json}.
*
* @param json json string
* @param typeOfT json value type
* @param view json view
* @param json type
* @return json value
* @throws JsonException json exception
*/
@SuppressWarnings("unchecked")
public static T toObject(final @NonNull String json, final @NonNull Type typeOfT, @Nullable Class view) {
if (String.class.equals(typeOfT)) {
return (T) json;
}
return wrap(() -> JsonRegistry.getInstance().getJsonService().toObject(json, typeOfT, view));
}
/**
* return json {@linkplain List list} of {@linkplain String json}.
*
* @param json json string
* @param classOfT json element value type
* @param json element type
* @return json list
* @throws JsonException json exception
*/
public static List toList(final @Nullable String json, final @NonNull Class classOfT) {
return toList(json, classOfT, null);
}
/**
* return json {@linkplain List list} of {@linkplain String json}.
*
* @param json json string
* @param classOfT json element value type
* @param view json view
* @param json element type
* @return json list
* @throws JsonException json exception
*/
public static List toList(final @Nullable String json, final @NonNull Class classOfT,
final @Nullable Class view) {
return wrap(() -> JsonRegistry
.getInstance().getJsonService().toList(json, classOfT, view));
}
/**
* return json {@linkplain Set set} of json {@linkplain String json}
*
* @param json json string
* @param classOfT json element value type
* @param json element type
* @return json set
* @throws JsonException json exception
*/
public static Set toSet(final @Nullable String json, final @NonNull Class classOfT) {
return toSet(json, classOfT, null);
}
/**
* return json {@linkplain Set set} of json {@linkplain String json}
*
* @param json json string
* @param classOfT json element value type
* @param view json view
* @param json element type
* @return json set
* @throws JsonException json exception
*/
public static Set toSet(final @Nullable String json, final @NonNull Class classOfT,
@Nullable Class view) {
return wrap(() -> JsonRegistry.getInstance().getJsonService().toSet(json, classOfT, view));
}
private static T wrap(Supplier supplier) {
try {
return supplier.get();
} catch (JsonException e) {
throw e;
} catch (Exception e) {
throw new JsonException(e);
}
}
}
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