Java工具封装：Yaml、Properties、Json三种内容格式之间互相转换
文章目录
-
-
- 概述
- 工具
-
-
- 支持转换的形式
- 代码
-
- 测试
- 可视化体验测试
-
概述
源码地址： https://github.com/FasterXML/jackson-dataformats-text
依赖
<dependency>
<groupId>com.fasterxml.jackson.dataformatgroupId>
<artifactId>jackson-dataformat-yamlartifactId>
<version>2.14.0-rc3version>
dependency>
<dependency>
<groupId>com.fasterxml.jackson.dataformatgroupId>
<artifactId>jackson-dataformat-propertiesartifactId>
<version>2.14.0-rc3version>
dependency>
<dependency>
<groupId>cn.hutoolgroupId>
<artifactId>hutool-allartifactId>
<version>5.8.7version>
dependency>
工具
支持转换的形式
Yaml
Properties
json
代码
package work.linruchang.util;
import cn.hutool.core.bean.BeanPath;
import cn.hutool.core.comparator.CompareUtil;
import cn.hutool.core.convert.Convert;
import cn.hutool.core.io.IoUtil;
import cn.hutool.core.lang.Dict;
import cn.hutool.core.util.StrUtil;
import cn.hutool.json.JSONObject;
import cn.hutool.json.JSONUtil;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.dataformat.javaprop.JavaPropsMapper;
import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
import com.fasterxml.jackson.dataformat.yaml.YAMLGenerator;
import com.fasterxml.jackson.dataformat.yaml.YAMLMapper;
import com.fasterxml.jackson.dataformat.yaml.util.StringQuotingChecker;
import lombok.SneakyThrows;
import java.nio.charset.StandardCharsets;
import java.util.Properties;
/**
* 内容转换工具类
* @author LinRuChang
* @version 1.0
* @date 2022/11/03
* @since 1.8
**/
public class ContentConverUtil {
private static ObjectMapper getYamlMappper() {
YAMLFactory yamlFactory = YAMLFactory.builder()
.enable(YAMLGenerator.Feature.MINIMIZE_QUOTES)
.disable(YAMLGenerator.Feature.WRITE_DOC_START_MARKER)
.stringQuotingChecker(new StringQuotingChecker.Default() {
private static final long serialVersionUID = 1324053635146744895L;
@Override
public boolean needToQuoteValue(String value) {
return false;
}
}).build();
return new YAMLMapper(yamlFactory);
}
/**
* properties转yaml
* @param propertiesContent
* @return
*/
@SneakyThrows
public static String propertiesToYaml(String propertiesContent) {
if(StrUtil.isBlank(propertiesContent)) {return propertiesContent;}
//仅有单层的map
Properties properties = new Properties();
properties.load(IoUtil.toStream(propertiesContent.getBytes(StandardCharsets.UTF_8)));
//具体层级的Map
Dict propertiesDict = Dict.create();
properties.entrySet().stream()
.sorted((mapEntry1,mapEntry2) -> -CompareUtil.compare(Convert.toStr(mapEntry1.getKey()).length(), Convert.toStr(mapEntry2.getKey()).length()))
.forEach(mapEntry -> {
Object KeyName = mapEntry.getKey();
Object keyValue = mapEntry.getValue();
BeanPath.create(KeyName.toString()).set(propertiesDict,keyValue);
});
ObjectMapper yamlMapper = getYamlMappper();
return yamlMapper.writeValueAsString(propertiesDict);
}
/**
* yaml转properties
* @param yamlContent
* @return
*/
@SneakyThrows
public static String yamlToProperties(String yamlContent) {
YAMLMapper yamlMapper = new YAMLMapper();
JsonNode jsonNode = yamlMapper.readTree(yamlContent);
JSONObject entries = JSONUtil.parseObj(jsonNode.toString());
JavaPropsMapper mapper = new JavaPropsMapper();
return mapper.writeValueAsString(entries);
}
/**
* json转properties
* @param json
* @return
*/
@SneakyThrows
public static String jsonToProperties(String json) {
if(JSONUtil.isTypeJSON(json)) {
JavaPropsMapper javaPropsMapper = new JavaPropsMapper();
JSONObject jsonObject = JSONUtil.parseObj(json);
return javaPropsMapper.writeValueAsString(jsonObject);
}
return null;
}
/**
* properties转json
* @param propertiesContent
* @return
*/
@SneakyThrows
public static String propertiesToJson(String propertiesContent) {
if(StrUtil.isBlank(propertiesContent)) {return propertiesContent;}
//仅有单层的map
Properties properties = new Properties();
properties.load(IoUtil.toStream(propertiesContent.getBytes(StandardCharsets.UTF_8)));
//具体层级的Map
Dict propertiesDict = Dict.create();
properties.entrySet().stream()
.sorted((mapEntry1,mapEntry2) -> -CompareUtil.compare(Convert.toStr(mapEntry1.getKey()).length(), Convert.toStr(mapEntry2.getKey()).length()))
.forEach(mapEntry -> {
Object KeyName = mapEntry.getKey();
Object keyValue = mapEntry.getValue();
BeanPath.create(KeyName.toString()).set(propertiesDict,keyValue);
});
return JSONUtil.toJsonPrettyStr(propertiesDict);
}
/**
* json转yaml
* @param json
* @return
*/
@SneakyThrows
public static String jsonToYaml(String json) {
if(JSONUtil.isTypeJSON(json)) {
ObjectMapper yamlMappper = getYamlMappper();
JSONObject jsonObject = JSONUtil.parseObj(json);
return yamlMappper.writeValueAsString(jsonObject);
}
return null;
}
/**
* yaml转json
* @param yaml
* @return
*/
@SneakyThrows
public static String yamlToJson(String yaml) {
if(StrUtil.isBlank(yaml)) { return yaml;}
YAMLMapper yamlMapper = new YAMLMapper();
JsonNode jsonNode = yamlMapper.readTree(yaml);
return JSONUtil.formatJsonStr(jsonNode.toString());
}
}
测试
package work.linruchang.util;
import cn.hutool.core.io.FileUtil;
import cn.hutool.core.lang.Console;
import junit.framework.TestCase;
import org.junit.Test;
public class ContentConverUtilTest extends TestCase {
@Test
public void testPropertiesToYaml() {
String propertiesContent = FileUtil.readUtf8String("log4j.properties");
String yamlContent = ContentConverUtil.propertiesToYaml(propertiesContent);
Console.log("\n=====================");
Console.log(yamlContent);
}
@Test
public void testYamlToproperties() {
String yamlContent = FileUtil.readUtf8String("application.yml");
String propertiesContent = ContentConverUtil.yamlToProperties(yamlContent);
Console.log("\n=====================");
Console.log(propertiesContent);
}
public void testJsonToProperties() {
String json = "{\"sourceLinkTitle\":\"Wuvrr Obin\",\"sourceUserIp\":\"Ffdt Cwd\",\"sourceLink\":\"Ay Ofnwy\",\"shortLink\":\"Fq Oudedzy\",\"user\":\"Mizexh Jg\",\"uuid\":\"Jvknghe Lmpdjx\",\"desc\":\"Usipnz Klu\"}";
String properties = ContentConverUtil.jsonToProperties(json);
Console.log(properties);
}
public void testJsonToYaml() {
String json = "{\n" +
" \"abbreviationContent\": \"Xwj Nssxbd\",\n" +
" \"serialVersionUID\": -3099531488884144305,\n" +
" \"articleMetaInfo\":\n" +
" {\n" +
" \"serialVersionUID\": -1579979886629482564,\n" +
" \"publishedTime\": 875363642739,\n" +
" \"articleId\": -1437244485074535646,\n" +
" \"collectCount\": 629183334155589392,\n" +
" \"likeCount\": -3118592405612989804,\n" +
" \"readCount\": 4080532617418547847,\n" +
" \"userId\": 6338597020886381449,\n" +
" \"notLikeCount\": 3208017445759238918,\n" +
" \"commentCount\": -3213099621434702190\n" +
" },\n" +
" \"title\": \"Lwxiau Zmzxeya\",\n" +
" \"userId\": 8754570981951130505,\n" +
" \"contentType\": \"Vua Fzovw\",\n" +
" \"user\":\n" +
" {\n" +
" \"serialVersionUID\": -2507827799004706517,\n" +
" \"password\": \"Nhfdxey Nftdgkt\",\n" +
" \"loginName\": \"Bb Cm\",\n" +
" \"nickname\": \"Fpr Ihz\",\n" +
" \"motto\": \"Ueyzg Bebksqf\",\n" +
" \"userType\": \"Fqclpfl Direqbp\",\n" +
" \"headPortrait\": \"Cw Mhyf\",\n" +
" \"headPortraitType\": \"Edafmw Rqfqivy\",\n" +
" \"email\": \"Fhcl Jint\"\n" +
" },\n" +
" \"content\": \"Bzn Syiih\",\n" +
" \"articleCoversImg\": \"Qw Pdaz\",\n" +
" \"searchContent\": \"Bmckui Nph\"\n" +
"}";
String yaml = ContentConverUtil.jsonToYaml(json);
Console.log(yaml);
}
public void testYamlToJson() {
String yamlContent = FileUtil.readUtf8String("application.yml");
String s = ContentConverUtil.yamlToJson(yamlContent);
Console.log(s);
}
public void testPropertiesToJson() {
String propertiesContent = FileUtil.readUtf8String("log4j.properties");
String json = ContentConverUtil.propertiesToJson(propertiesContent);
Console.log(json);
}
}
可视化体验测试
个人在线网站：http://qq.linruchang.work/lrc-utils-web/#/generate-code
