From 458da553870835aeb1237ed2a58ac4fa64715486 Mon Sep 17 00:00:00 2001
From: QingFeng <331052249@qq.com>
Date: Wed, 3 Jul 2024 14:50:22 +0800
Subject: [PATCH] add new tools json-to-java entity

---
 src/tools/index.ts                            |  2 +
 src/tools/json-to-java/index.ts               | 12 ++++
 .../json-to-java/json-to-java.service.ts      | 56 +++++++++++++++++++
 src/tools/json-to-java/json-to-java.vue       | 49 ++++++++++++++++
 4 files changed, 119 insertions(+)
 create mode 100644 src/tools/json-to-java/index.ts
 create mode 100644 src/tools/json-to-java/json-to-java.service.ts
 create mode 100644 src/tools/json-to-java/json-to-java.vue

diff --git a/src/tools/index.ts b/src/tools/index.ts
index aa861c93..755f1976 100644
--- a/src/tools/index.ts
+++ b/src/tools/index.ts
@@ -1,6 +1,7 @@
 import { tool as base64FileConverter } from './base64-file-converter';
 import { tool as base64StringConverter } from './base64-string-converter';
 import { tool as basicAuthGenerator } from './basic-auth-generator';
+import { tool as jsonToJava } from './json-to-java';
 
 import { tool as asciiTextDrawer } from './ascii-text-drawer';
 
@@ -104,6 +105,7 @@ export const toolsByCategory: ToolCategory[] = [
       yamlToToml,
       jsonToYaml,
       jsonToToml,
+      jsonToJava,
       listConverter,
       tomlToJson,
       tomlToYaml,
diff --git a/src/tools/json-to-java/index.ts b/src/tools/json-to-java/index.ts
new file mode 100644
index 00000000..664f400d
--- /dev/null
+++ b/src/tools/json-to-java/index.ts
@@ -0,0 +1,12 @@
+import { ArrowsShuffle } from '@vicons/tabler';
+import { defineTool } from '../tool';
+
+export const tool = defineTool({
+  name: 'JSON to Java Entity',
+  path: '/json-to-java',
+  description: 'Convert JSON into Java entities',
+  keywords: ['json', 'to', 'java'],
+  component: () => import('./json-to-java.vue'),
+  icon: ArrowsShuffle,
+  createdAt: new Date('2024-07-03'),
+});
diff --git a/src/tools/json-to-java/json-to-java.service.ts b/src/tools/json-to-java/json-to-java.service.ts
new file mode 100644
index 00000000..c6c6169e
--- /dev/null
+++ b/src/tools/json-to-java/json-to-java.service.ts
@@ -0,0 +1,56 @@
+const equivalence: { [key: string]: string } = {
+  number: 'Long',
+};
+
+export function convert(className: string, data: string | null) {
+  if (data === null) {
+    return '';
+  }
+  if (typeof data === 'string') {
+    data = JSON.parse(data);
+  }
+  if (className === '') {
+    className = 'Result';
+  }
+  const keys = Object.keys(data);
+  const objects: { [key: string]: any } = {};
+  className = capitalizeFirstLetter(className);
+  let result = `public class ${className} {\n`;
+  for (const i in keys) {
+    const key = keys[i];
+    const value = data[key];
+    let type = typeof value as string;
+    if (Array.isArray(value)) {
+      const typeName = capitalizeFirstLetter(fixListClass(key));
+      type = `List<${typeName}>`;
+      objects[typeName] = value[0];
+    }
+    else if (type === 'object') {
+      type = capitalizeFirstLetter(key);
+      objects[type] = value;
+    }
+    else if (equivalence[type] !== undefined) {
+      type = equivalence[type];
+    }
+    else {
+      type = capitalizeFirstLetter(type);
+    }
+    result += `\tpublic ${type} ${key};\n`;
+  }
+  result += '}\n';
+  for (const clazzname in objects) {
+    result += convert(clazzname, objects[clazzname]);
+  }
+  return result;
+}
+
+function fixListClass(string: string) {
+  if (string.endsWith('s')) {
+    return string.substring(0, string.length - 1);
+  }
+  return string;
+}
+
+function capitalizeFirstLetter(string: string) {
+  return string.charAt(0).toUpperCase() + string.slice(1);
+}
diff --git a/src/tools/json-to-java/json-to-java.vue b/src/tools/json-to-java/json-to-java.vue
new file mode 100644
index 00000000..32e5037b
--- /dev/null
+++ b/src/tools/json-to-java/json-to-java.vue
@@ -0,0 +1,49 @@
+<script setup lang="ts">
+import JSON5 from 'json5';
+import { convert } from './json-to-java.service';
+import type { UseValidationRule } from '@/composable/validation';
+import TextareaCopyable from '@/components/TextareaCopyable.vue';
+
+const jsonInput = ref('');
+const clazzInput = ref('Result');
+const goOutput = computed(() => {
+  return jsonInput.value ? convert(clazzInput.value, jsonInput.value) : '';
+});
+
+const rules: UseValidationRule<string>[] = [
+  {
+    validator: (v: string) => v === '' || JSON5.parse(v),
+    message: 'Provided JSON is not valid.',
+  },
+];
+</script>
+
+<template>
+  <c-card title="JSON to Java Entity">
+    <c-input-text
+      v-model:value="clazzInput"
+      placeholder="Custom class name"
+      raw-text
+      label="classname"
+      label-position="left"
+      label-width="50px"
+      mb-2
+    />
+    <c-input-text
+      v-model:value="jsonInput"
+      multiline
+      placeholder="Put your josn string here..."
+      rows="20"
+      label="JSON to Java"
+      :validation-rules="rules"
+      raw-text
+      mb-5
+    />
+  </c-card>
+  <c-card title="You Java String">
+    <TextareaCopyable
+      :value="goOutput"
+      language="json"
+    />
+  </c-card>
+</template>