972 lines
23 KiB
Java
972 lines
23 KiB
Java
/**
|
||
* Copyright (c) 2018-2028, Chill Zhuang 庄骞 (smallchill@163.com).
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||
* <p>
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||
* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
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||
* you may not use this file except in compliance with the License.
|
||
* You may obtain a copy of the License at
|
||
* <p>
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||
* http://www.gnu.org/licenses/lgpl.html
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||
* <p>
|
||
* Unless required by applicable law or agreed to in writing, software
|
||
* distributed under the License is distributed on an "AS IS" BASIS,
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||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springblade.core.tool.jackson;
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||
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import com.fasterxml.jackson.core.JsonParser;
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import com.fasterxml.jackson.core.JsonProcessingException;
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||
import com.fasterxml.jackson.core.TreeNode;
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||
import com.fasterxml.jackson.core.json.JsonReadFeature;
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import com.fasterxml.jackson.core.type.TypeReference;
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||
import com.fasterxml.jackson.databind.*;
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||
import com.fasterxml.jackson.databind.node.ArrayNode;
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import com.fasterxml.jackson.databind.node.ObjectNode;
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import com.fasterxml.jackson.databind.type.CollectionLikeType;
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import com.fasterxml.jackson.databind.type.MapType;
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||
import lombok.extern.slf4j.Slf4j;
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||
import org.springblade.core.tool.utils.*;
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import org.springframework.lang.Nullable;
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||
import java.io.IOException;
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import java.io.InputStream;
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import java.io.Reader;
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import java.text.SimpleDateFormat;
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import java.time.ZoneId;
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import java.util.*;
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/**
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* Jackson工具类
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||
*
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||
* @author Chill
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*/
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||
@Slf4j
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public class JsonUtil {
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||
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||
/**
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||
* 将对象序列化成json字符串
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||
*
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* @param value javaBean
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||
* @param <T> T 泛型标记
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||
* @return jsonString json字符串
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||
*/
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||
public static <T> String toJson(T value) {
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||
try {
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||
return getInstance().writeValueAsString(value);
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||
} catch (Exception e) {
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||
log.error(e.getMessage(), e);
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||
}
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||
return null;
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||
}
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||
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||
/**
|
||
* 将对象序列化成 json byte 数组
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||
*
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* @param object javaBean
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||
* @return jsonString json字符串
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||
*/
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||
public static byte[] toJsonAsBytes(Object object) {
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||
try {
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||
return getInstance().writeValueAsBytes(object);
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||
} catch (JsonProcessingException e) {
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||
throw Exceptions.unchecked(e);
|
||
}
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||
}
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||
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||
/**
|
||
* 将json反序列化成对象
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||
*
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||
* @param content content
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||
* @param valueType class
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||
* @param <T> T 泛型标记
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||
* @return Bean
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||
*/
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||
public static <T> T parse(String content, Class<T> valueType) {
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||
try {
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||
return getInstance().readValue(content, valueType);
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||
} catch (Exception e) {
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||
log.error(e.getMessage(), e);
|
||
}
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||
return null;
|
||
}
|
||
|
||
/**
|
||
* 将json反序列化成对象
|
||
*
|
||
* @param content content
|
||
* @param typeReference 泛型类型
|
||
* @param <T> T 泛型标记
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||
* @return Bean
|
||
*/
|
||
public static <T> T parse(String content, TypeReference<T> typeReference) {
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||
try {
|
||
return getInstance().readValue(content, typeReference);
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||
} catch (IOException e) {
|
||
throw Exceptions.unchecked(e);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 将json byte 数组反序列化成对象
|
||
*
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||
* @param bytes json bytes
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||
* @param valueType class
|
||
* @param <T> T 泛型标记
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||
* @return Bean
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||
*/
|
||
public static <T> T parse(byte[] bytes, Class<T> valueType) {
|
||
try {
|
||
return getInstance().readValue(bytes, valueType);
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||
} catch (IOException e) {
|
||
throw Exceptions.unchecked(e);
|
||
}
|
||
}
|
||
|
||
|
||
/**
|
||
* 将json反序列化成对象
|
||
*
|
||
* @param bytes bytes
|
||
* @param typeReference 泛型类型
|
||
* @param <T> T 泛型标记
|
||
* @return Bean
|
||
*/
|
||
public static <T> T parse(byte[] bytes, TypeReference<T> typeReference) {
|
||
try {
|
||
return getInstance().readValue(bytes, typeReference);
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||
} catch (IOException e) {
|
||
throw Exceptions.unchecked(e);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 将json反序列化成对象
|
||
*
|
||
* @param in InputStream
|
||
* @param valueType class
|
||
* @param <T> T 泛型标记
|
||
* @return Bean
|
||
*/
|
||
public static <T> T parse(InputStream in, Class<T> valueType) {
|
||
try {
|
||
return getInstance().readValue(in, valueType);
|
||
} catch (IOException e) {
|
||
throw Exceptions.unchecked(e);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 将json反序列化成对象
|
||
*
|
||
* @param in InputStream
|
||
* @param typeReference 泛型类型
|
||
* @param <T> T 泛型标记
|
||
* @return Bean
|
||
*/
|
||
public static <T> T parse(InputStream in, TypeReference<T> typeReference) {
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||
try {
|
||
return getInstance().readValue(in, typeReference);
|
||
} catch (IOException e) {
|
||
throw Exceptions.unchecked(e);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 将json反序列化成List对象
|
||
* @param content content
|
||
* @param valueTypeRef class
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||
* @param <T> T 泛型标记
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||
* @return List
|
||
*/
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||
public static <T> List<T> parseArray(String content, Class<T> valueTypeRef) {
|
||
try {
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||
|
||
if (!StringUtil.startsWithIgnoreCase(content, StringPool.LEFT_SQ_BRACKET)) {
|
||
content = StringPool.LEFT_SQ_BRACKET + content + StringPool.RIGHT_SQ_BRACKET;
|
||
}
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||
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||
List<Map<String, Object>> list = getInstance().readValue(content, new TypeReference<List<Map<String, Object>>>() {
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||
});
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||
List<T> result = new ArrayList<>();
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||
for (Map<String, Object> map : list) {
|
||
result.add(toPojo(map, valueTypeRef));
|
||
}
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||
return result;
|
||
} catch (IOException e) {
|
||
log.error(e.getMessage(), e);
|
||
}
|
||
return null;
|
||
}
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||
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||
public static Map<String, Object> toMap(String content) {
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||
try {
|
||
return getInstance().readValue(content, Map.class);
|
||
} catch (IOException e) {
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||
log.error(e.getMessage(), e);
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||
}
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||
return null;
|
||
}
|
||
|
||
public static <T> Map<String, T> toMap(String content, Class<T> valueTypeRef) {
|
||
try {
|
||
Map<String, Map<String, Object>> map = getInstance().readValue(content, new TypeReference<Map<String, Map<String, Object>>>() {
|
||
});
|
||
Map<String, T> result = new HashMap<>(16);
|
||
for (Map.Entry<String, Map<String, Object>> entry : map.entrySet()) {
|
||
result.put(entry.getKey(), toPojo(entry.getValue(), valueTypeRef));
|
||
}
|
||
return result;
|
||
} catch (IOException e) {
|
||
log.error(e.getMessage(), e);
|
||
}
|
||
return null;
|
||
}
|
||
|
||
public static <T> T toPojo(Map fromValue, Class<T> toValueType) {
|
||
return getInstance().convertValue(fromValue, toValueType);
|
||
}
|
||
|
||
/**
|
||
* 将json字符串转成 JsonNode
|
||
*
|
||
* @param jsonString jsonString
|
||
* @return jsonString json字符串
|
||
*/
|
||
public static JsonNode readTree(String jsonString) {
|
||
try {
|
||
return getInstance().readTree(jsonString);
|
||
} catch (IOException e) {
|
||
throw Exceptions.unchecked(e);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 将json字符串转成 JsonNode
|
||
*
|
||
* @param in InputStream
|
||
* @return jsonString json字符串
|
||
*/
|
||
public static JsonNode readTree(InputStream in) {
|
||
try {
|
||
return getInstance().readTree(in);
|
||
} catch (IOException e) {
|
||
throw Exceptions.unchecked(e);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 将json字符串转成 JsonNode
|
||
*
|
||
* @param content content
|
||
* @return jsonString json字符串
|
||
*/
|
||
public static JsonNode readTree(byte[] content) {
|
||
try {
|
||
return getInstance().readTree(content);
|
||
} catch (IOException e) {
|
||
throw Exceptions.unchecked(e);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 将json byte 数组反序列化成对象
|
||
*
|
||
* @param content json bytes
|
||
* @param valueType class
|
||
* @param <T> T 泛型标记
|
||
* @return Bean
|
||
*/
|
||
@Nullable
|
||
public static <T> T readValue(@Nullable byte[] content, Class<T> valueType) {
|
||
if (ObjectUtil.isEmpty(content)) {
|
||
return null;
|
||
}
|
||
try {
|
||
return getInstance().readValue(content, valueType);
|
||
} catch (IOException e) {
|
||
throw Exceptions.unchecked(e);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 将json反序列化成对象
|
||
*
|
||
* @param jsonString jsonString
|
||
* @param valueType class
|
||
* @param <T> T 泛型标记
|
||
* @return Bean
|
||
*/
|
||
@Nullable
|
||
public static <T> T readValue(@Nullable String jsonString, Class<T> valueType) {
|
||
if (StringUtil.isBlank(jsonString)) {
|
||
return null;
|
||
}
|
||
try {
|
||
return getInstance().readValue(jsonString, valueType);
|
||
} catch (IOException e) {
|
||
throw Exceptions.unchecked(e);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 将json反序列化成对象
|
||
*
|
||
* @param in InputStream
|
||
* @param valueType class
|
||
* @param <T> T 泛型标记
|
||
* @return Bean
|
||
*/
|
||
@Nullable
|
||
public static <T> T readValue(@Nullable InputStream in, Class<T> valueType) {
|
||
if (in == null) {
|
||
return null;
|
||
}
|
||
try {
|
||
return getInstance().readValue(in, valueType);
|
||
} catch (IOException e) {
|
||
throw Exceptions.unchecked(e);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 将json反序列化成对象
|
||
*
|
||
* @param content bytes
|
||
* @param typeReference 泛型类型
|
||
* @param <T> T 泛型标记
|
||
* @return Bean
|
||
*/
|
||
@Nullable
|
||
public static <T> T readValue(@Nullable byte[] content, TypeReference<T> typeReference) {
|
||
if (ObjectUtil.isEmpty(content)) {
|
||
return null;
|
||
}
|
||
try {
|
||
return getInstance().readValue(content, typeReference);
|
||
} catch (IOException e) {
|
||
throw Exceptions.unchecked(e);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 将json反序列化成对象
|
||
*
|
||
* @param jsonString jsonString
|
||
* @param typeReference 泛型类型
|
||
* @param <T> T 泛型标记
|
||
* @return Bean
|
||
*/
|
||
@Nullable
|
||
public static <T> T readValue(@Nullable String jsonString, TypeReference<T> typeReference) {
|
||
if (StringUtil.isBlank(jsonString)) {
|
||
return null;
|
||
}
|
||
try {
|
||
return getInstance().readValue(jsonString, typeReference);
|
||
} catch (IOException e) {
|
||
throw Exceptions.unchecked(e);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 将json反序列化成对象
|
||
*
|
||
* @param in InputStream
|
||
* @param typeReference 泛型类型
|
||
* @param <T> T 泛型标记
|
||
* @return Bean
|
||
*/
|
||
@Nullable
|
||
public static <T> T readValue(@Nullable InputStream in, TypeReference<T> typeReference) {
|
||
if (in == null) {
|
||
return null;
|
||
}
|
||
try {
|
||
return getInstance().readValue(in, typeReference);
|
||
} catch (IOException e) {
|
||
throw Exceptions.unchecked(e);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 将json字符串转成 JsonNode
|
||
*
|
||
* @param jsonParser JsonParser
|
||
* @return jsonString json字符串
|
||
*/
|
||
public static JsonNode readTree(JsonParser jsonParser) {
|
||
try {
|
||
return getInstance().readTree(jsonParser);
|
||
} catch (IOException e) {
|
||
throw Exceptions.unchecked(e);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 将json反序列化成对象
|
||
*
|
||
* @param content bytes
|
||
* @param javaType JavaType
|
||
* @param <T> T 泛型标记
|
||
* @return Bean
|
||
*/
|
||
@Nullable
|
||
public static <T> T readValue(@Nullable byte[] content, JavaType javaType) {
|
||
if (content == null || content.length == 0) {
|
||
return null;
|
||
}
|
||
try {
|
||
return getInstance().readValue(content, javaType);
|
||
} catch (IOException e) {
|
||
throw Exceptions.unchecked(e);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 将json反序列化成对象
|
||
*
|
||
* @param jsonString jsonString
|
||
* @param javaType JavaType
|
||
* @param <T> T 泛型标记
|
||
* @return Bean
|
||
*/
|
||
@Nullable
|
||
public static <T> T readValue(@Nullable String jsonString, JavaType javaType) {
|
||
if (StringUtil.isBlank(jsonString)) {
|
||
return null;
|
||
}
|
||
try {
|
||
return getInstance().readValue(jsonString, javaType);
|
||
} catch (IOException e) {
|
||
throw Exceptions.unchecked(e);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 将json反序列化成对象
|
||
*
|
||
* @param in InputStream
|
||
* @param javaType JavaType
|
||
* @param <T> T 泛型标记
|
||
* @return Bean
|
||
*/
|
||
@Nullable
|
||
public static <T> T readValue(@Nullable InputStream in, JavaType javaType) {
|
||
if (in == null) {
|
||
return null;
|
||
}
|
||
try {
|
||
return getInstance().readValue(in, javaType);
|
||
} catch (IOException e) {
|
||
throw Exceptions.unchecked(e);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 将java.io.Reader反序列化成对象
|
||
*
|
||
* @param reader java.io.Reader
|
||
* @param javaType JavaType
|
||
* @param <T> T 泛型标记
|
||
* @return Bean
|
||
*/
|
||
@Nullable
|
||
public static <T> T readValue(@Nullable Reader reader, JavaType javaType) {
|
||
if (reader == null) {
|
||
return null;
|
||
}
|
||
try {
|
||
return getInstance().readValue(reader, javaType);
|
||
} catch (IOException e) {
|
||
throw Exceptions.unchecked(e);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* clazz 获取 JavaType
|
||
*
|
||
* @param clazz Class
|
||
* @return MapType
|
||
*/
|
||
public static JavaType getType(Class<?> clazz) {
|
||
return getInstance().getTypeFactory().constructType(clazz);
|
||
}
|
||
|
||
/**
|
||
* 封装 map type，keyClass String
|
||
*
|
||
* @param valueClass value 类型
|
||
* @return MapType
|
||
*/
|
||
public static MapType getMapType(Class<?> valueClass) {
|
||
return getMapType(String.class, valueClass);
|
||
}
|
||
|
||
/**
|
||
* 封装 map type
|
||
*
|
||
* @param keyClass key 类型
|
||
* @param valueClass value 类型
|
||
* @return MapType
|
||
*/
|
||
public static MapType getMapType(Class<?> keyClass, Class<?> valueClass) {
|
||
return getInstance().getTypeFactory().constructMapType(Map.class, keyClass, valueClass);
|
||
}
|
||
|
||
/**
|
||
* 封装 map type
|
||
*
|
||
* @param elementClass 集合值类型
|
||
* @return CollectionLikeType
|
||
*/
|
||
public static CollectionLikeType getListType(Class<?> elementClass) {
|
||
return getInstance().getTypeFactory().constructCollectionLikeType(List.class, elementClass);
|
||
}
|
||
|
||
/**
|
||
* 封装参数化类型
|
||
*
|
||
* <p>
|
||
* 例如： Map.class, String.class, String.class 对应 Map[String, String]
|
||
* </p>
|
||
*
|
||
* @param parametrized 泛型参数化
|
||
* @param parameterClasses 泛型参数类型
|
||
* @return JavaType
|
||
*/
|
||
public static JavaType getParametricType(Class<?> parametrized, Class<?>... parameterClasses) {
|
||
return getInstance().getTypeFactory().constructParametricType(parametrized, parameterClasses);
|
||
}
|
||
|
||
/**
|
||
* 封装参数化类型，用来构造复杂的泛型
|
||
*
|
||
* <p>
|
||
* 例如： Map.class, String.class, String.class 对应 Map[String, String]
|
||
* </p>
|
||
*
|
||
* @param parametrized 泛型参数化
|
||
* @param parameterTypes 泛型参数类型
|
||
* @return JavaType
|
||
*/
|
||
public static JavaType getParametricType(Class<?> parametrized, JavaType... parameterTypes) {
|
||
return getInstance().getTypeFactory().constructParametricType(parametrized, parameterTypes);
|
||
}
|
||
|
||
|
||
/**
|
||
* 读取集合
|
||
*
|
||
* @param content bytes
|
||
* @param elementClass elementClass
|
||
* @param <T> 泛型
|
||
* @return 集合
|
||
*/
|
||
public static <T> List<T> readList(@Nullable byte[] content, Class<T> elementClass) {
|
||
if (content == null || content.length == 0) {
|
||
return Collections.emptyList();
|
||
}
|
||
try {
|
||
return getInstance().readValue(content, getListType(elementClass));
|
||
} catch (IOException e) {
|
||
throw Exceptions.unchecked(e);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 读取集合
|
||
*
|
||
* @param content InputStream
|
||
* @param elementClass elementClass
|
||
* @param <T> 泛型
|
||
* @return 集合
|
||
*/
|
||
public static <T> List<T> readList(@Nullable InputStream content, Class<T> elementClass) {
|
||
if (content == null) {
|
||
return Collections.emptyList();
|
||
}
|
||
try {
|
||
return getInstance().readValue(content, getListType(elementClass));
|
||
} catch (IOException e) {
|
||
throw Exceptions.unchecked(e);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 读取集合
|
||
*
|
||
* @param reader java.io.Reader
|
||
* @param elementClass elementClass
|
||
* @param <T> 泛型
|
||
* @return 集合
|
||
*/
|
||
public static <T> List<T> readList(@Nullable Reader reader, Class<T> elementClass) {
|
||
if (reader == null) {
|
||
return Collections.emptyList();
|
||
}
|
||
try {
|
||
return getInstance().readValue(reader, getListType(elementClass));
|
||
} catch (IOException e) {
|
||
throw Exceptions.unchecked(e);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 读取集合
|
||
*
|
||
* @param content bytes
|
||
* @param elementClass elementClass
|
||
* @param <T> 泛型
|
||
* @return 集合
|
||
*/
|
||
public static <T> List<T> readList(@Nullable String content, Class<T> elementClass) {
|
||
if (StringUtil.isBlank(content)) {
|
||
return Collections.emptyList();
|
||
}
|
||
try {
|
||
return getInstance().readValue(content, getListType(elementClass));
|
||
} catch (IOException e) {
|
||
throw Exceptions.unchecked(e);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 读取集合
|
||
*
|
||
* @param content bytes
|
||
* @return 集合
|
||
*/
|
||
public static Map<String, Object> readMap(@Nullable byte[] content) {
|
||
return readMap(content, Object.class);
|
||
}
|
||
|
||
/**
|
||
* 读取集合
|
||
*
|
||
* @param content InputStream
|
||
* @return 集合
|
||
*/
|
||
public static Map<String, Object> readMap(@Nullable InputStream content) {
|
||
return readMap(content, Object.class);
|
||
}
|
||
|
||
/**
|
||
* 读取集合
|
||
*
|
||
* @param reader java.io.Reader
|
||
* @return 集合
|
||
*/
|
||
public static Map<String, Object> readMap(@Nullable Reader reader) {
|
||
return readMap(reader, Object.class);
|
||
}
|
||
|
||
/**
|
||
* 读取集合
|
||
*
|
||
* @param content bytes
|
||
* @return 集合
|
||
*/
|
||
public static Map<String, Object> readMap(@Nullable String content) {
|
||
return readMap(content, Object.class);
|
||
}
|
||
|
||
/**
|
||
* 读取集合
|
||
*
|
||
* @param content bytes
|
||
* @param valueClass 值类型
|
||
* @param <V> 泛型
|
||
* @return 集合
|
||
*/
|
||
public static <V> Map<String, V> readMap(@Nullable byte[] content, Class<?> valueClass) {
|
||
return readMap(content, String.class, valueClass);
|
||
}
|
||
|
||
/**
|
||
* 读取集合
|
||
*
|
||
* @param content InputStream
|
||
* @param valueClass 值类型
|
||
* @param <V> 泛型
|
||
* @return 集合
|
||
*/
|
||
public static <V> Map<String, V> readMap(@Nullable InputStream content, Class<?> valueClass) {
|
||
return readMap(content, String.class, valueClass);
|
||
}
|
||
|
||
/**
|
||
* 读取集合
|
||
*
|
||
* @param reader java.io.Reader
|
||
* @param valueClass 值类型
|
||
* @param <V> 泛型
|
||
* @return 集合
|
||
*/
|
||
public static <V> Map<String, V> readMap(@Nullable Reader reader, Class<?> valueClass) {
|
||
return readMap(reader, String.class, valueClass);
|
||
}
|
||
|
||
/**
|
||
* 读取集合
|
||
*
|
||
* @param content bytes
|
||
* @param valueClass 值类型
|
||
* @param <V> 泛型
|
||
* @return 集合
|
||
*/
|
||
public static <V> Map<String, V> readMap(@Nullable String content, Class<?> valueClass) {
|
||
return readMap(content, String.class, valueClass);
|
||
}
|
||
|
||
/**
|
||
* 读取集合
|
||
*
|
||
* @param content bytes
|
||
* @param keyClass key类型
|
||
* @param valueClass 值类型
|
||
* @param <K> 泛型
|
||
* @param <V> 泛型
|
||
* @return 集合
|
||
*/
|
||
public static <K, V> Map<K, V> readMap(@Nullable byte[] content, Class<?> keyClass, Class<?> valueClass) {
|
||
if (content == null || content.length == 0) {
|
||
return Collections.emptyMap();
|
||
}
|
||
try {
|
||
return getInstance().readValue(content, getMapType(keyClass, valueClass));
|
||
} catch (IOException e) {
|
||
throw Exceptions.unchecked(e);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 读取集合
|
||
*
|
||
* @param content InputStream
|
||
* @param keyClass key类型
|
||
* @param valueClass 值类型
|
||
* @param <K> 泛型
|
||
* @param <V> 泛型
|
||
* @return 集合
|
||
*/
|
||
public static <K, V> Map<K, V> readMap(@Nullable InputStream content, Class<?> keyClass, Class<?> valueClass) {
|
||
if (content == null) {
|
||
return Collections.emptyMap();
|
||
}
|
||
try {
|
||
return getInstance().readValue(content, getMapType(keyClass, valueClass));
|
||
} catch (IOException e) {
|
||
throw Exceptions.unchecked(e);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 读取集合
|
||
*
|
||
* @param reader java.io.Reader
|
||
* @param keyClass key类型
|
||
* @param valueClass 值类型
|
||
* @param <K> 泛型
|
||
* @param <V> 泛型
|
||
* @return 集合
|
||
*/
|
||
public static <K, V> Map<K, V> readMap(@Nullable Reader reader, Class<?> keyClass, Class<?> valueClass) {
|
||
if (reader == null) {
|
||
return Collections.emptyMap();
|
||
}
|
||
try {
|
||
return getInstance().readValue(reader, getMapType(keyClass, valueClass));
|
||
} catch (IOException e) {
|
||
throw Exceptions.unchecked(e);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 读取集合
|
||
*
|
||
* @param content bytes
|
||
* @param keyClass key类型
|
||
* @param valueClass 值类型
|
||
* @param <K> 泛型
|
||
* @param <V> 泛型
|
||
* @return 集合
|
||
*/
|
||
public static <K, V> Map<K, V> readMap(@Nullable String content, Class<?> keyClass, Class<?> valueClass) {
|
||
if (StringUtil.isBlank(content)) {
|
||
return Collections.emptyMap();
|
||
}
|
||
try {
|
||
return getInstance().readValue(content, getMapType(keyClass, valueClass));
|
||
} catch (IOException e) {
|
||
throw Exceptions.unchecked(e);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* jackson 的类型转换
|
||
*
|
||
* @param fromValue 来源对象
|
||
* @param toValueType 转换的类型
|
||
* @param <T> 泛型标记
|
||
* @return 转换结果
|
||
*/
|
||
public static <T> T convertValue(Object fromValue, Class<T> toValueType) {
|
||
return getInstance().convertValue(fromValue, toValueType);
|
||
}
|
||
|
||
/**
|
||
* jackson 的类型转换
|
||
*
|
||
* @param fromValue 来源对象
|
||
* @param toValueType 转换的类型
|
||
* @param <T> 泛型标记
|
||
* @return 转换结果
|
||
*/
|
||
public static <T> T convertValue(Object fromValue, JavaType toValueType) {
|
||
return getInstance().convertValue(fromValue, toValueType);
|
||
}
|
||
|
||
/**
|
||
* jackson 的类型转换
|
||
*
|
||
* @param fromValue 来源对象
|
||
* @param toValueTypeRef 泛型类型
|
||
* @param <T> 泛型标记
|
||
* @return 转换结果
|
||
*/
|
||
public static <T> T convertValue(Object fromValue, TypeReference<T> toValueTypeRef) {
|
||
return getInstance().convertValue(fromValue, toValueTypeRef);
|
||
}
|
||
|
||
/**
|
||
* tree 转对象
|
||
*
|
||
* @param treeNode TreeNode
|
||
* @param valueType valueType
|
||
* @param <T> 泛型标记
|
||
* @return 转换结果
|
||
*/
|
||
public static <T> T treeToValue(TreeNode treeNode, Class<T> valueType) {
|
||
try {
|
||
return getInstance().treeToValue(treeNode, valueType);
|
||
} catch (JsonProcessingException e) {
|
||
throw Exceptions.unchecked(e);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* tree 转对象
|
||
*
|
||
* @param treeNode TreeNode
|
||
* @param valueType valueType
|
||
* @param <T> 泛型标记
|
||
* @return 转换结果
|
||
*/
|
||
public static <T> T treeToValue(TreeNode treeNode, JavaType valueType) {
|
||
try {
|
||
return getInstance().treeToValue(treeNode, valueType);
|
||
} catch (JsonProcessingException e) {
|
||
throw Exceptions.unchecked(e);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 对象转 tree
|
||
*
|
||
* @param fromValue fromValue
|
||
* @param <T> 泛型标记
|
||
* @return 转换结果
|
||
*/
|
||
public static <T extends JsonNode> T valueToTree(@Nullable Object fromValue) {
|
||
return getInstance().valueToTree(fromValue);
|
||
}
|
||
|
||
/**
|
||
* 判断是否可以序列化
|
||
*
|
||
* @param value 对象
|
||
* @return 是否可以序列化
|
||
*/
|
||
public static boolean canSerialize(@Nullable Object value) {
|
||
if (value == null) {
|
||
return true;
|
||
}
|
||
return getInstance().canSerialize(value.getClass());
|
||
}
|
||
|
||
/**
|
||
* 判断是否可以反序列化
|
||
*
|
||
* @param type JavaType
|
||
* @return 是否可以反序列化
|
||
*/
|
||
public static boolean canDeserialize(JavaType type) {
|
||
return getInstance().canDeserialize(type);
|
||
}
|
||
|
||
/**
|
||
* 创建 ObjectNode
|
||
*
|
||
* @return ObjectNode
|
||
*/
|
||
public static ObjectNode createObjectNode() {
|
||
return getInstance().createObjectNode();
|
||
}
|
||
|
||
/**
|
||
* 创建 ArrayNode
|
||
*
|
||
* @return ArrayNode
|
||
*/
|
||
public static ArrayNode createArrayNode() {
|
||
return getInstance().createArrayNode();
|
||
}
|
||
|
||
public static ObjectMapper getInstance() {
|
||
return JacksonHolder.INSTANCE;
|
||
}
|
||
|
||
private static class JacksonHolder {
|
||
private static final ObjectMapper INSTANCE = new JacksonObjectMapper();
|
||
}
|
||
|
||
public static class JacksonObjectMapper extends ObjectMapper {
|
||
private static final long serialVersionUID = 4288193147502386170L;
|
||
|
||
private static final Locale CHINA = Locale.CHINA;
|
||
|
||
public JacksonObjectMapper() {
|
||
super();
|
||
//设置地点为中国
|
||
super.setLocale(CHINA);
|
||
//去掉默认的时间戳格式
|
||
super.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false);
|
||
//设置为中国上海时区
|
||
super.setTimeZone(TimeZone.getTimeZone(ZoneId.systemDefault()));
|
||
//序列化时，日期的统一格式
|
||
super.setDateFormat(new SimpleDateFormat(DateUtil.PATTERN_DATETIME, Locale.CHINA));
|
||
//序列化处理
|
||
super.configure(JsonReadFeature.ALLOW_UNESCAPED_CONTROL_CHARS.mappedFeature(), true);
|
||
super.configure(JsonReadFeature.ALLOW_BACKSLASH_ESCAPING_ANY_CHARACTER.mappedFeature(), true);
|
||
super.findAndRegisterModules();
|
||
//失败处理
|
||
super.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
|
||
super.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
|
||
//单引号处理
|
||
super.configure(JsonParser.Feature.ALLOW_SINGLE_QUOTES, true);
|
||
//反序列化时，属性不存在的兼容处理s
|
||
super.getDeserializationConfig().withoutFeatures(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
|
||
//日期格式化
|
||
super.registerModule(new BladeJavaTimeModule());
|
||
super.findAndRegisterModules();
|
||
}
|
||
|
||
@Override
|
||
public ObjectMapper copy() {
|
||
return super.copy();
|
||
}
|
||
}
|
||
|
||
}
|