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cn.hutool.setting.dialect.Props Maven / Gradle / Ivy
package cn.hutool.setting.dialect;
import cn.hutool.core.bean.BeanUtil;
import cn.hutool.core.convert.Convert;
import cn.hutool.core.getter.BasicTypeGetter;
import cn.hutool.core.getter.OptBasicTypeGetter;
import cn.hutool.core.io.FileUtil;
import cn.hutool.core.io.IORuntimeException;
import cn.hutool.core.io.IoUtil;
import cn.hutool.core.io.resource.ClassPathResource;
import cn.hutool.core.io.resource.FileResource;
import cn.hutool.core.io.resource.Resource;
import cn.hutool.core.io.resource.ResourceUtil;
import cn.hutool.core.io.resource.UrlResource;
import cn.hutool.core.io.watch.SimpleWatcher;
import cn.hutool.core.io.watch.WatchMonitor;
import cn.hutool.core.io.watch.WatchUtil;
import cn.hutool.core.lang.Assert;
import cn.hutool.core.map.MapUtil;
import cn.hutool.core.util.CharsetUtil;
import cn.hutool.core.util.ReflectUtil;
import cn.hutool.core.util.StrUtil;
import cn.hutool.log.StaticLog;
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.Writer;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.net.URL;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.nio.file.Path;
import java.nio.file.WatchEvent;
import java.util.Date;
import java.util.Properties;
/**
* Properties文件读取封装类
*
* @author loolly
*/
public final class Props extends Properties implements BasicTypeGetter, OptBasicTypeGetter {
private static final long serialVersionUID = 1935981579709590740L;
/**
* 默认配置文件扩展名
*/
public final static String EXT_NAME = "properties";
/**
* 构建一个空的Props,用于手动加入参数
*
* @return Setting
* @since 5.4.3
*/
public static Props create() {
return new Props();
}
// ----------------------------------------------------------------------- 私有属性 start
/**
* 属性文件的Resource
*/
private Resource resource;
private WatchMonitor watchMonitor;
/**
* properties文件编码
* issue#1701,此属性不能被序列化,故忽略序列化
*/
private transient Charset charset = CharsetUtil.CHARSET_ISO_8859_1;
// ----------------------------------------------------------------------- 私有属性 end
/**
* 获得Classpath下的Properties文件
*
* @param resource 资源(相对Classpath的路径)
* @return Props
*/
public static Props getProp(String resource) {
return new Props(resource);
}
/**
* 获得Classpath下的Properties文件
*
* @param resource 资源(相对Classpath的路径)
* @param charsetName 字符集
* @return Properties
*/
public static Props getProp(String resource, String charsetName) {
return new Props(resource, charsetName);
}
/**
* 获得Classpath下的Properties文件
*
* @param resource 资源(相对Classpath的路径)
* @param charset 字符集
* @return Properties
*/
public static Props getProp(String resource, Charset charset) {
return new Props(resource, charset);
}
// ----------------------------------------------------------------------- 构造方法 start
/**
* 构造
*/
public Props() {
}
/**
* 构造,使用相对于Class文件根目录的相对路径
*
* @param path 配置文件路径,相对于ClassPath,或者使用绝对路径
*/
public Props(String path) {
this(path, CharsetUtil.CHARSET_ISO_8859_1);
}
/**
* 构造,使用相对于Class文件根目录的相对路径
*
* @param path 相对或绝对路径
* @param charsetName 字符集
*/
public Props(String path, String charsetName) {
this(path, CharsetUtil.charset(charsetName));
}
/**
* 构造,使用相对于Class文件根目录的相对路径
*
* @param path 相对或绝对路径
* @param charset 字符集
*/
public Props(String path, Charset charset) {
Assert.notBlank(path, "Blank properties file path !");
if (null != charset) {
this.charset = charset;
}
this.load(ResourceUtil.getResourceObj(path));
}
/**
* 构造
*
* @param propertiesFile 配置文件对象
*/
public Props(File propertiesFile) {
this(propertiesFile, StandardCharsets.ISO_8859_1);
}
/**
* 构造
*
* @param propertiesFile 配置文件对象
* @param charsetName 字符集
*/
public Props(File propertiesFile, String charsetName) {
this(propertiesFile, Charset.forName(charsetName));
}
/**
* 构造
*
* @param propertiesFile 配置文件对象
* @param charset 字符集
*/
public Props(File propertiesFile, Charset charset) {
Assert.notNull(propertiesFile, "Null properties file!");
this.charset = charset;
this.load(new FileResource(propertiesFile));
}
/**
* 构造,相对于classes读取文件
*
* @param path 相对路径
* @param clazz 基准类
*/
public Props(String path, Class> clazz) {
this(path, clazz, CharsetUtil.ISO_8859_1);
}
/**
* 构造,相对于classes读取文件
*
* @param path 相对路径
* @param clazz 基准类
* @param charsetName 字符集
*/
public Props(String path, Class> clazz, String charsetName) {
this(path, clazz, CharsetUtil.charset(charsetName));
}
/**
* 构造,相对于classes读取文件
*
* @param path 相对路径
* @param clazz 基准类
* @param charset 字符集
*/
public Props(String path, Class> clazz, Charset charset) {
Assert.notBlank(path, "Blank properties file path !");
if (null != charset) {
this.charset = charset;
}
this.load(new ClassPathResource(path, clazz));
}
/**
* 构造,使用URL读取
*
* @param propertiesUrl 属性文件路径
*/
public Props(URL propertiesUrl) {
this(propertiesUrl, StandardCharsets.ISO_8859_1);
}
/**
* 构造,使用URL读取
*
* @param propertiesUrl 属性文件路径
* @param charsetName 字符集
*/
public Props(URL propertiesUrl, String charsetName) {
this(propertiesUrl, CharsetUtil.charset(charsetName));
}
/**
* 构造,使用URL读取
*
* @param propertiesUrl 属性文件路径
* @param charset 字符集
*/
public Props(URL propertiesUrl, Charset charset) {
Assert.notNull(propertiesUrl, "Null properties URL !");
if (null != charset) {
this.charset = charset;
}
this.load(propertiesUrl);
}
/**
* 构造,使用URL读取
*
* @param properties 属性文件路径
*/
public Props(Properties properties) {
if (MapUtil.isNotEmpty(properties)) {
this.putAll(properties);
}
}
// ----------------------------------------------------------------------- 构造方法 end
/**
* 初始化配置文件
*
* @param url {@link URL}
* @since 5.5.2
*/
public void load(URL url) {
load(new UrlResource(url));
}
/**
* 初始化配置文件
*
* @param resource {@link Resource}
*/
public void load(Resource resource) {
Assert.notNull(resource, "Props resource must be not null!");
this.resource = resource;
try (final BufferedReader reader = resource.getReader(charset)) {
super.load(reader);
} catch (IOException e) {
throw new IORuntimeException(e);
}
}
/**
* 重新加载配置文件
*/
public void load() {
this.load(this.resource);
}
/**
* 在配置文件变更时自动加载
*
* @param autoReload 是否自动加载
*/
public void autoLoad(boolean autoReload) {
if (autoReload) {
Assert.notNull(this.resource, "Properties resource must be not null!");
if (null != this.watchMonitor) {
// 先关闭之前的监听
this.watchMonitor.close();
}
this.watchMonitor = WatchUtil.createModify(this.resource.getUrl(), new SimpleWatcher() {
@Override
public void onModify(WatchEvent> event, Path currentPath) {
load();
}
});
this.watchMonitor.start();
} else {
IoUtil.close(this.watchMonitor);
this.watchMonitor = null;
}
}
// ----------------------------------------------------------------------- Get start
@Override
public Object getObj(String key, Object defaultValue) {
return getStr(key, null == defaultValue ? null : defaultValue.toString());
}
@Override
public Object getObj(String key) {
return getObj(key, null);
}
@Override
public String getStr(String key, String defaultValue) {
return super.getProperty(key, defaultValue);
}
@Override
public String getStr(String key) {
return super.getProperty(key);
}
@Override
public Integer getInt(String key, Integer defaultValue) {
return Convert.toInt(getStr(key), defaultValue);
}
@Override
public Integer getInt(String key) {
return getInt(key, null);
}
@Override
public Boolean getBool(String key, Boolean defaultValue) {
return Convert.toBool(getStr(key), defaultValue);
}
@Override
public Boolean getBool(String key) {
return getBool(key, null);
}
@Override
public Long getLong(String key, Long defaultValue) {
return Convert.toLong(getStr(key), defaultValue);
}
@Override
public Long getLong(String key) {
return getLong(key, null);
}
@Override
public Character getChar(String key, Character defaultValue) {
final String value = getStr(key);
if (StrUtil.isBlank(value)) {
return defaultValue;
}
return value.charAt(0);
}
@Override
public Character getChar(String key) {
return getChar(key, null);
}
@Override
public Float getFloat(String key) {
return getFloat(key, null);
}
@Override
public Float getFloat(String key, Float defaultValue) {
return Convert.toFloat(getStr(key), defaultValue);
}
@Override
public Double getDouble(String key, Double defaultValue) throws NumberFormatException {
return Convert.toDouble(getStr(key), defaultValue);
}
@Override
public Double getDouble(String key) throws NumberFormatException {
return getDouble(key, null);
}
@Override
public Short getShort(String key, Short defaultValue) {
return Convert.toShort(getStr(key), defaultValue);
}
@Override
public Short getShort(String key) {
return getShort(key, null);
}
@Override
public Byte getByte(String key, Byte defaultValue) {
return Convert.toByte(getStr(key), defaultValue);
}
@Override
public Byte getByte(String key) {
return getByte(key, null);
}
@Override
public BigDecimal getBigDecimal(String key, BigDecimal defaultValue) {
final String valueStr = getStr(key);
if (StrUtil.isBlank(valueStr)) {
return defaultValue;
}
try {
return new BigDecimal(valueStr);
} catch (Exception e) {
return defaultValue;
}
}
@Override
public BigDecimal getBigDecimal(String key) {
return getBigDecimal(key, null);
}
@Override
public BigInteger getBigInteger(String key, BigInteger defaultValue) {
final String valueStr = getStr(key);
if (StrUtil.isBlank(valueStr)) {
return defaultValue;
}
try {
return new BigInteger(valueStr);
} catch (Exception e) {
return defaultValue;
}
}
@Override
public BigInteger getBigInteger(String key) {
return getBigInteger(key, null);
}
@Override
public > E getEnum(Class clazz, String key, E defaultValue) {
return Convert.toEnum(clazz, getStr(key), defaultValue);
}
@Override
public > E getEnum(Class clazz, String key) {
return getEnum(clazz, key, null);
}
@Override
public Date getDate(String key, Date defaultValue) {
return Convert.toDate(getStr(key), defaultValue);
}
@Override
public Date getDate(String key) {
return getDate(key, null);
}
/**
* 获取并删除键值对,当指定键对应值非空时,返回并删除这个值,后边的键对应的值不再查找
*
* @param keys 键列表,常用于别名
* @return 字符串值
* @since 4.1.21
*/
public String getAndRemoveStr(String... keys) {
Object value = null;
for (String key : keys) {
value = remove(key);
if (null != value) {
break;
}
}
return (String) value;
}
/**
* 转换为标准的{@link Properties}对象
*
* @return {@link Properties}对象
* @since 5.7.4
*/
public Properties toProperties() {
final Properties properties = new Properties();
properties.putAll(this);
return properties;
}
/**
* 将配置文件转换为Bean,支持嵌套Bean
* 支持的表达式:
*
*
* persion
* persion.name
* persons[3]
* person.friends[5].name
* ['person']['friends'][5]['name']
*
*
* @param Bean类型
* @param beanClass Bean类
* @return Bean对象
* @since 4.6.3
*/
public T toBean(Class beanClass) {
return toBean(beanClass, null);
}
/**
* 将配置文件转换为Bean,支持嵌套Bean
* 支持的表达式:
*
*
* persion
* persion.name
* persons[3]
* person.friends[5].name
* ['person']['friends'][5]['name']
*
*
* @param Bean类型
* @param beanClass Bean类
* @param prefix 公共前缀,不指定前缀传null,当指定前缀后非此前缀的属性被忽略
* @return Bean对象
* @since 4.6.3
*/
public T toBean(Class beanClass, String prefix) {
final T bean = ReflectUtil.newInstanceIfPossible(beanClass);
return fillBean(bean, prefix);
}
/**
* 将配置文件转换为Bean,支持嵌套Bean
* 支持的表达式:
*
*
* persion
* persion.name
* persons[3]
* person.friends[5].name
* ['person']['friends'][5]['name']
*
*
* @param Bean类型
* @param bean Bean对象
* @param prefix 公共前缀,不指定前缀传null,当指定前缀后非此前缀的属性被忽略
* @return Bean对象
* @since 4.6.3
*/
public T fillBean(T bean, String prefix) {
prefix = StrUtil.nullToEmpty(StrUtil.addSuffixIfNot(prefix, StrUtil.DOT));
String key;
for (java.util.Map.Entry entry : this.entrySet()) {
key = (String) entry.getKey();
if (false == StrUtil.startWith(key, prefix)) {
// 非指定开头的属性忽略掉
continue;
}
try {
BeanUtil.setProperty(bean, StrUtil.subSuf(key, prefix.length()), entry.getValue());
} catch (Exception e) {
// 忽略注入失败的字段(这些字段可能用于其它配置)
StaticLog.debug("Ignore property: [{}]", key);
}
}
return bean;
}
// ----------------------------------------------------------------------- Get end
// ----------------------------------------------------------------------- Set start
/**
* 设置值,无给定键创建之。设置后未持久化
*
* @param key 属性键
* @param value 属性值
*/
public void setProperty(String key, Object value) {
super.setProperty(key, value.toString());
}
/**
* 持久化当前设置,会覆盖掉之前的设置
*
* @param absolutePath 设置文件的绝对路径
* @throws IORuntimeException IO异常,可能为文件未找到
*/
public void store(String absolutePath) throws IORuntimeException {
Writer writer = null;
try {
writer = FileUtil.getWriter(absolutePath, charset, false);
super.store(writer, null);
} catch (IOException e) {
throw new IORuntimeException(e, "Store properties to [{}] error!", absolutePath);
} finally {
IoUtil.close(writer);
}
}
/**
* 存储当前设置,会覆盖掉以前的设置
*
* @param path 相对路径
* @param clazz 相对的类
*/
public void store(String path, Class> clazz) {
this.store(FileUtil.getAbsolutePath(path, clazz));
}
// ----------------------------------------------------------------------- Set end
}