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feat: remove ReflectMapUtil

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siujamo
2025-06-17 10:28:30 +08:00
parent 81f6acbc1f
commit eba493cc32
5 changed files with 0 additions and 417 deletions
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map-util-unsafe/README.md
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# Map Util Unsafe
`map-util-unsafe` provides a set of more convenient utilities for converting Java bean to Map or Map to Java bean, but which are less safe than the `MapUtil` provided in `devkit-utils`.
This `MapUtil` is implemented with Reflect API, which might be removed in later JDKs.
map-util-unsafe/build.gradle.kts
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/*
* Copyright (C) 2024-2025 OnixByte.
*
* 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
*
* http://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.
*/
import java.net.URI
plugins {
java
id("java-library")
id("maven-publish")
id("signing")
}
val artefactVersion: String by project
val projectUrl: String by project
val projectGithubUrl: String by project
val licenseName: String by project
val licenseUrl: String by project
group = "com.onixbyte"
version = artefactVersion
repositories {
mavenCentral()
}
java {
sourceCompatibility = JavaVersion.VERSION_17
targetCompatibility = JavaVersion.VERSION_17
withSourcesJar()
withJavadocJar()
}
tasks.withType<JavaCompile> {
options.encoding = "UTF-8"
}
tasks.withType<Jar> {
exclude("logback.xml")
}
dependencies {
compileOnly(libs.slf4j)
implementation(libs.logback)
api(project(":devkit-core"))
testImplementation(platform(libs.junit.bom))
testImplementation(libs.junit.jupiter)
}
tasks.test {
useJUnitPlatform()
}
publishing {
publications {
create<MavenPublication>("mapUtilUnsafe") {
groupId = group.toString()
artifactId = "map-util-unsafe"
version = artefactVersion
pom {
name = "Unsafe Map Util"
description =
"This module is a converter that can convert an object to a map with unsafe methods."
url = projectUrl
licenses {
license {
name = licenseName
url = licenseUrl
}
}
scm {
connection = "scm:git:git://github.com:OnixByte/JDevKit.git"
developerConnection = "scm:git:git://github.com:OnixByte/JDevKit.git"
url = projectGithubUrl
}
developers {
developer {
id = "zihluwang"
name = "Zihlu Wang"
email = "really@zihlu.wang"
timezone = "Asia/Hong_Kong"
}
developer {
id = "siujamo"
name = "Siu Jam'o"
email = "jamo.siu@outlook.com"
timezone = "Asia/Shanghai"
}
}
}
from(components["java"])
signing {
sign(publishing.publications["mapUtilUnsafe"])
}
}
repositories {
maven {
name = "sonatypeNexus"
url = URI(providers.gradleProperty("repo.maven-central.host").get())
credentials {
username = providers.gradleProperty("repo.maven-central.username").get()
password = providers.gradleProperty("repo.maven-central.password").get()
}
}
}
}
}
map-util-unsafe/src/main/java/com/onixbyte/devkit/utils/unsafe/ReflectMapUtil.java
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/*
* Copyright (C) 2024-2025 OnixByte.
*
* 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
*
* http://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 com.onixbyte.devkit.utils.unsafe;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.lang.reflect.InvocationTargetException;
import java.util.HashMap;
import java.util.Map;
/**
* The {@link ReflectMapUtil} class provides utility methods for converting between objects and maps
* using reflection. This class allows for dynamic mapping of object fields to map entries and
* vice versa.
* <p>
* The utility methods in this class are useful for scenarios where objects need to be represented
* as maps for serialization, deserialization, or other purposes, and where the structure of the
* objects is not known at compile time.
* </p>
*
* <p><b>Example usage:</b></p>
* <pre>
* {@code
* public class User {
* private String name;
* private int age;
*
* // getters and setters
* }
*
* public class Example {
* public static void main(String[] args) throws IllegalAccessException {
* User user = new User();
* user.setName("John");
* user.setAge(30);
*
* // Convert object to map
* Map<String, Object> userMap = ReflectMapUtil.objectToMap(user);
* System.out.println(userMap); // Output: {name=John, age=30}
*
* // Convert map to object
* User newUser = ReflectMapUtil.mapToObject(userMap, User.class);
* System.out.println(newUser.getName()); // Output: John
* System.out.println(newUser.getAge()); // Output: 30
* }
* }
* }
* </pre>
*
* @author zihluwang
* @version 1.4.2
* @since 1.4.2
* @deprecated This utility class is no longer maintained and will be removed in a future release. If you still need to
* use {@link ReflectMapUtil}, please stick to the last available version (2.2.0).
*/
@Deprecated(forRemoval = true, since = "2.2.0")
public final class ReflectMapUtil {
private final static Logger log = LoggerFactory.getLogger(ReflectMapUtil.class);
/**
* Converts an object to a map by mapping the field names to their corresponding values.
*
* @param obj the object to be converted to a map
* @return a map representing the fields and their values of the object
* @throws IllegalAccessException if an error occurs while accessing the fields of the object
*/
public static Map<String, Object> objectToMap(Object obj) throws IllegalAccessException {
if (obj == null) {
return null;
}
var map = new HashMap<String, Object>();
var declaredFields = obj.getClass().getDeclaredFields();
for (var field : declaredFields) {
field.setAccessible(true);
var result = field.get(obj);
if (result != null) {
map.put(field.getName(), result);
}
}
return map;
}
/**
* Converts a map to an object of the specified type by setting the field values using the
* map entries.
*
* @param map the map representing the fields and their values
* @param requiredType the class of the object to be created
* @param <T> the type of the object to be created
* @return an object of the specified type with the field values set from the map
* @throws NoSuchMethodException if the constructor of the required type is not found
* @throws InvocationTargetException if an error occurs while invoking the constructor
* @throws InstantiationException if the required type is abstract or an interface
* @throws IllegalAccessException if an error occurs while accessing the fields of the object
*/
public static <T> T mapToObject(Map<String, Object> map, Class<T> requiredType)
throws NoSuchMethodException, InvocationTargetException, InstantiationException,
IllegalAccessException {
var bean = requiredType.getConstructor().newInstance();
if (map != null) {
for (var entry : map.entrySet()) {
try {
var entryValue = entry.getValue().toString();
// get the field by field name
var field = requiredType.getDeclaredField(entry.getKey());
var fieldType = field.getGenericType();
// convert field value by class
if (fieldType instanceof Class<?> fieldClass) {
if (fieldClass == Short.class || fieldClass == short.class) {
entry.setValue(Short.parseShort(entryValue));
} else if (fieldClass == Integer.class || fieldClass == int.class) {
entry.setValue(Integer.parseInt(entryValue));
} else if (fieldClass == Long.class || fieldClass == long.class) {
entry.setValue(Long.parseLong(entryValue));
} else if (fieldClass == Float.class || fieldClass == float.class) {
entry.setValue(Float.parseFloat(entryValue));
} else if (fieldClass == Double.class || fieldClass == double.class) {
entry.setValue(Double.parseDouble(entryValue));
} else if (fieldClass == Character.class || fieldClass == char.class) {
entry.setValue(entryValue.charAt(0));
} else if (fieldClass == Byte.class || fieldClass == byte.class) {
entry.setValue(Byte.parseByte(entryValue));
} else if (fieldClass == Boolean.class || fieldClass == boolean.class) {
entry.setValue(Boolean.parseBoolean(entryValue));
} else if (fieldClass == String.class) {
entry.setValue(entryValue);
} else {
log.error("Unable to determine the type of property {}.", field.getName());
continue;
}
}
setFieldValue(bean, entry.getKey(), entry.getValue());
} catch (Exception e) {
log.error("Map to Object failed.");
}
}
}
return bean;
}
/**
* Retrieves the value of a field from an object using reflection.
*
* @param obj the object from which to retrieve the field value
* @param fieldName the name of the field
* @param fieldType the class representing the type of the field value
* @param <T> the type of the field value
* @return the value of the field in the object, or null if the field does
* not exist or cannot be accessed
* @throws IllegalAccessException if an error occurs while accessing the field
* @throws InvocationTargetException if an error occurs while invoking the field getter method
* @throws NoSuchMethodException if the specified getter is not present
*/
public static <T> T getFieldValue(Object obj, String fieldName, Class<T> fieldType)
throws IllegalAccessException, InvocationTargetException, NoSuchMethodException {
var methodName = getMethodName("get", fieldName);
var objectClass = obj.getClass();
var method = objectClass.getDeclaredMethod(methodName);
method.setAccessible(true);
return cast(method.invoke(obj), fieldType);
}
/**
* Sets the value of a field in an object using reflection.
*
* @param obj the object in which to set the field value
* @param fieldName the name of the field
* @param fieldValue the value to be set
* @throws InvocationTargetException if an error occurs while invoking the field setter method
* @throws IllegalAccessException if an error occurs while accessing the field
* @throws NoSuchMethodException if the specific setter is not present
*/
public static void setFieldValue(Object obj, String fieldName, Object fieldValue)
throws InvocationTargetException, IllegalAccessException, NoSuchMethodException {
var objectClass = obj.getClass();
var methodName = getMethodName("set", fieldName);
var method = objectClass.getDeclaredMethod(methodName, fieldValue.getClass());
method.setAccessible(true);
method.invoke(obj, fieldValue);
}
/**
* Casts the specified value to the required type.
*
* @param value the value to be cast
* @param requiredType the type to which the value should be cast
* @param <T> the type to which the value should be cast
* @return the cast value, or null if the value cannot be cast to the required type
*/
public static <T> T cast(Object value, Class<T> requiredType) {
if (requiredType.isInstance(value)) {
return requiredType.cast(value);
}
return null;
}
/**
* Constructs a method name based on the given prefix and field name.
*
* @param prefix the prefix to be added to the field name
* @param fieldName the name of the field
* @return the constructed method name
*/
private static String getMethodName(String prefix, String fieldName) {
return prefix + fieldName.substring(0, 1).toUpperCase() + fieldName.substring(1);
}
/**
* Returns the default string representation of the specified object.
*
* @param obj the object for which to return the default string representation
* @return the default string representation of the object
*/
private static String defaultObject(Object obj) {
if (obj == null) {
return "";
} else {
return String.valueOf(obj);
}
}
/**
* Private constructor to prevent instantiation of this utility class.
*/
private ReflectMapUtil() {
}
}
map-util-unsafe/src/main/resources/logback.xml
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<?xml version="1.0" encoding="UTF-8"?>
<!--
~ Copyright (C) 2024-2024 OnixByte.
~
~ 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
~
~ http://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.
-->
<configuration>
<property name="COLOURFUL_OUTPUT"
value="%black(%date{'dd MMM, yyyy HH:mm:ss', Asia/Hong_Kong, en-UK}) %highlight(%-5level) %black(---) %black([%10.10t]) %cyan(%-20.20logger{20}) %black(:) %msg%n"/>
<property name="STANDARD_OUTPUT"
value="%date{'dd MMM, yyyy HH:mm:ss', Asia/Hong_Kong, en-UK} %-5level %black(---) [%10.10t] %-20.20logger{20} : %msg%n"/>
<statusListener class="ch.qos.logback.core.status.NopStatusListener" />
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
<pattern>${COLOURFUL_OUTPUT}</pattern>
</encoder>
</appender>
<root level="INFO">
<appender-ref ref="STDOUT"/>
</root>
</configuration>
settings.gradle.kts
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"devkit-utils",
"guid",
"key-pair-loader",
"map-util-unsafe",
"num4j",
"simple-jwt",
"simple-jwt-facade",