diff --git a/hutool-json/src/main/java/org/dromara/hutool/json/reader/OldJSONParser.java b/hutool-json/src/main/java/org/dromara/hutool/json/reader/OldJSONParser.java deleted file mode 100644 index 410446f89..000000000 --- a/hutool-json/src/main/java/org/dromara/hutool/json/reader/OldJSONParser.java +++ /dev/null @@ -1,257 +0,0 @@ -/* - * Copyright (c) 2013-2024 Hutool Team and hutool.cn - * - * 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 org.dromara.hutool.json.reader; - -import org.dromara.hutool.core.lang.mutable.Mutable; -import org.dromara.hutool.core.lang.mutable.MutableEntry; -import org.dromara.hutool.core.text.CharUtil; -import org.dromara.hutool.json.*; - -import java.util.function.Predicate; - -/** - * JSON字符串解析器，实现： - * - * - * @author looly - * @since 5.8.0 - */ -public class OldJSONParser { - - /** - * 创建JSONParser - * - * @param tokener {@link JSONTokener} - * @param config JSON配置 - * @return JSONParser - */ - public static OldJSONParser of(final JSONTokener tokener, final JSONConfig config) { - return new OldJSONParser(tokener, config); - } - - /** - * JSON配置 - */ - private final JSONConfig config; - private final JSONTokener tokener; - - /** - * 构造 - * - * @param tokener {@link JSONTokener} - * @param config JSON配置 - */ - public OldJSONParser(final JSONTokener tokener, final JSONConfig config) { - this.tokener = tokener; - this.config = config; - } - - /** - * 获取{@link JSONTokener} - * - * @return {@link JSONTokener} - */ - public JSONTokener getTokener() { - return this.tokener; - } - - /** - * 是否结束 - * - * @return 是否结束 - */ - public boolean end() { - return this.tokener.end(); - } - - // region parseTo - - /** - * 解析{@link JSONTokener}中的字符到目标的{@link JSONObject}中 - * - * @param jsonObject {@link JSONObject} - * @param predicate 键值对过滤编辑器，可以通过实现此接口，完成解析前对键值对的过滤和修改操作，{@code null}表示不过滤，{@link Predicate#test(Object)}为{@code true}保留 - */ - public void parseTo(final JSONObject jsonObject, final Predicate> predicate) { - final JSONTokener tokener = this.tokener; - - if (tokener.nextClean() != '{') { - throw tokener.syntaxError("A JSONObject text must begin with '{'"); - } - - char prev; - char c; - String key; - while (true) { - prev = tokener.getPrevious(); - c = tokener.nextClean(); - switch (c) { - case 0: - throw tokener.syntaxError("A JSONObject text must end with '}'"); - case '}': - return; - case '{': - case '[': - if (prev == '{') { - throw tokener.syntaxError("A JSONObject can not directly nest another JSONObject or JSONArray."); - } - default: - tokener.back(); - key = tokener.nextString(); - } - - // The key is followed by ':'. - - c = tokener.nextClean(); - if (c != ':') { - throw tokener.syntaxError("Expected a ':' after a key"); - } - - jsonObject.set(key, nextValue(), null); - - // Pairs are separated by ','. - - switch (tokener.nextClean()) { - case ';': - case CharUtil.COMMA: - if (tokener.nextClean() == '}') { - // issue#2380 - // 尾后逗号（Trailing Commas），JSON中虽然不支持，但是ECMAScript 2017支持，此处做兼容。 - return; - } - tokener.back(); - break; - case '}': - return; - default: - throw tokener.syntaxError("Expected a ',' or '}'"); - } - } - } - - /** - * 解析JSON字符串到{@link JSONArray}中 - * - * @param jsonArray {@link JSONArray} - * @param predicate 键值对过滤编辑器，可以通过实现此接口，完成解析前对值的过滤和修改操作，{@code null} 表示不过滤，，{@link Predicate#test(Object)}为{@code true}保留 - */ - public void parseTo(final JSONArray jsonArray, final Predicate> predicate) { - final JSONTokener x = this.tokener; - - if (x.nextClean() != '[') { - throw x.syntaxError("A JSONArray text must start with '['"); - } - if (x.nextClean() != ']') { - x.back(); - for (; ; ) { - if (x.nextClean() == CharUtil.COMMA) { - x.back(); - jsonArray.add(null, predicate); - } else { - x.back(); - jsonArray.add(nextValue(), predicate); - } - switch (x.nextClean()) { - case CharUtil.COMMA: - if (x.nextClean() == ']') { - return; - } - x.back(); - break; - case ']': - return; - default: - throw x.syntaxError("Expected a ',' or ']'"); - } - } - } - } - // endregion - - /** - * 获得下一个值，值类型可以是Boolean, Double, Integer, JSONArray, JSONObject, Long, or String - * - * @return Boolean, Double, Integer, JSONArray, JSONObject, Long, or String - * @throws JSONException 语法错误 - */ - public Object nextValue() throws JSONException { - return nextValue((token, tokener, config) -> { - switch (token) { - case CharUtil.DELIM_START: - try { - return new JSONObject(this, config); - } catch (final StackOverflowError e) { - throw new JSONException("JSONObject depth too large to process.", e); - } - case CharUtil.BRACKET_START: - try { - return new JSONArray(this, config); - } catch (final StackOverflowError e) { - throw new JSONException("JSONObject depth too large to process.", e); - } - } - throw new JSONException("Unsupported object build for token {}", token); - }); - } - - /** - * 获得下一个值，值类型可以是Boolean, Double, Integer, JSONArray, JSONObject, Long, or String - * - * @param objectBuilder JSON对象构建器 - * @return Boolean, Double, Integer, JSONArray, JSONObject, Long, or String - * @throws JSONException 语法错误 - */ - public Object nextValue(final ObjectBuilder objectBuilder) throws JSONException { - final JSONTokener tokener = this.tokener; - final char c = tokener.nextClean(); - switch (c) { - case CharUtil.DOUBLE_QUOTES: - case CharUtil.SINGLE_QUOTE: - return tokener.nextWrapString(c); - case CharUtil.DELIM_START: - case CharUtil.BRACKET_START: - tokener.back(); - return objectBuilder.build(c, tokener, this.config); - } - - /* - * 处理无引号包装的字符串，如： true, false, 或 null, 或 number. - * 同样兼容非标准的字符串，如key无引号包装。 - * 此方法会不断读取并积累字符直到遇到token符 - */ - return InternalJSONUtil.parseValueFromString(tokener.nextUnwrapString(c)); - } - - /** - * 对象构建抽象，通过实现此接口，从{@link JSONTokener}解析值并构建指定对象 - */ - @FunctionalInterface - public interface ObjectBuilder { - /** - * 构建 - * - * @param token 符号表示，用于区分对象类型 - * @param tokener {@link JSONTokener} - * @param config {@link JSONConfig} - * @return 构建的对象 - */ - Object build(char token, JSONTokener tokener, JSONConfig config); - } -}