org.noear.solon

类 Utils

java.lang.Object

org.noear.solon.Utils

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public class Utils
extends Object

内部专用工具（外部项目不建议使用，随时可能会变动）

从以下版本开始:

1.0

作者:

noear

字段概要

字段

限定符和类型	字段和说明
static FileNameMap	mimeMap
static ExecutorService	pools
static ScheduledExecutorService	scheduled

构造器概要

构造器

构造器和说明
Utils()

方法概要

限定符和类型	方法和说明
static void	bindTo(Function<String,String> source, Object target) 将 source:((k)->v) 数据，绑定到 target:bean
static void	bindTo(Map<String,String> source, Object target) 将 source:Map 数据，绑定到 target:bean
static void	bindTo(Properties source, Object target) 将 source:Properties 数据，绑定到 target:bean
static String	buildExt(String extend, boolean autoMake) 构建应用扩展目录
static Properties	buildProperties(String txt) 根据txt加载配置集
static <T> T	firstOrNull(List<T> list) 获取第一项或者null
static ClassLoader	getClassLoader() 获取ClassLoader
static ClassLoader	getContextClassLoader() 获取当前线程的ClassLoader
static String	getFullStackTrace(Throwable ex) 获取异常的完整内容
static URL	getResource(ClassLoader classLoader, String name)
static URL	getResource(String name) 获取资源URL
static String	getResourceAsString(ClassLoader classLoader, String name, String charset)
static String	getResourceAsString(String name, String charset) 获取资源并转为String
static Enumeration<URL>	getResources(ClassLoader classLoader, String name)
static Enumeration<URL>	getResources(String name) 获取资源URL集
static String	guid() 生成UGID
static <T> T	injectProperties(T bean, Properties propS) 注入属性
static boolean	isBlank(String s) 检查字符串是否为空白
static boolean	isEmpty(String s) 检查字符串是否为空
static boolean	isNotEmpty(String s) 检查字符串是否为非空
static boolean	isWhitespace(int c)
static Class<?>	loadClass(ClassLoader classLoader, String className) 根据字符串加载为一个类
static Class<?>	loadClass(String className) 根据字符串加载为一个类
static Properties	loadProperties(String url) 根据本地资源url加载配置集
static Properties	loadProperties(URL url) 根据url加载配置集
static String	md5(String str) 生成MD5
static String	mime(String fileName)
static <T> T	newInstance(ClassLoader classLoader, String className) 根据字段串加载为一个对象
static <T> T	newInstance(String className) 根据字段串加载为一个对象
static boolean	throwableHas(Throwable ex, Class<? extends Throwable> clz)
static String	throwableToString(Throwable ex) 获取异常打印信息
static Throwable	throwableUnwrap(Throwable ex) 解包异常
static RuntimeException	throwableWrap(Throwable ex) 包装异常
static <T extends OutputStream> T	transferTo(InputStream ins, T out)
static byte[]	transferToBytes(InputStream ins)
static String	transferToString(InputStream ins, String charset)

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

mimeMap

public static final FileNameMap mimeMap

pools

public static final ExecutorService pools

scheduled

public static final ScheduledExecutorService scheduled

构造器详细资料

Utils

public Utils()

方法详细资料

mime

public static String mime(String fileName)

guid

public static String guid()

生成UGID

md5

public static String md5(String str)

生成MD5

throwableToString

public static String throwableToString(Throwable ex)

获取异常打印信息

throwableWrap

public static RuntimeException throwableWrap(Throwable ex)

包装异常

throwableUnwrap

public static Throwable throwableUnwrap(Throwable ex)

解包异常

throwableHas

public static boolean throwableHas(Throwable ex,
                                   Class<? extends Throwable> clz)

isEmpty

public static boolean isEmpty(String s)

检查字符串是否为空

isNotEmpty

public static boolean isNotEmpty(String s)

检查字符串是否为非空

isBlank

public static boolean isBlank(String s)

检查字符串是否为空白

isWhitespace

public static boolean isWhitespace(int c)

firstOrNull

public static <T> T firstOrNull(List<T> list)

获取第一项或者null

loadClass

public static Class<?> loadClass(String className)

根据字符串加载为一个类

loadClass

public static Class<?> loadClass(ClassLoader classLoader,
                                 String className)

根据字符串加载为一个类

newInstance

public static <T> T newInstance(String className)

根据字段串加载为一个对象

newInstance

public static <T> T newInstance(ClassLoader classLoader,
                                String className)

根据字段串加载为一个对象

getResources

public static Enumeration<URL> getResources(String name)
                                     throws IOException

获取资源URL集

参数:

name - 资源名称

抛出:

IOException

getResources

public static Enumeration<URL> getResources(ClassLoader classLoader,
                                            String name)
                                     throws IOException

抛出:

IOException

getResource

public static URL getResource(String name)

获取资源URL

参数:

name - 资源名称

getResource

public static URL getResource(ClassLoader classLoader,
                              String name)

getResourceAsString

public static String getResourceAsString(String name,
                                         String charset)

获取资源并转为String

参数:

name - 资源名称

charset - 编码

getResourceAsString

public static String getResourceAsString(ClassLoader classLoader,
                                         String name,
                                         String charset)

transferToString

public static String transferToString(InputStream ins,
                                      String charset)
                               throws IOException

抛出:

IOException

transferToBytes

public static byte[] transferToBytes(InputStream ins)
                              throws IOException

抛出:

IOException

transferTo

public static <T extends OutputStream> T transferTo(InputStream ins,
                                                    T out)
                                             throws IOException

抛出:

IOException

loadProperties

public static Properties loadProperties(URL url)

根据url加载配置集

loadProperties

public static Properties loadProperties(String url)

根据本地资源url加载配置集

buildProperties

public static Properties buildProperties(String txt)

根据txt加载配置集

injectProperties

public static <T> T injectProperties(T bean,
                                     Properties propS)

注入属性

getFullStackTrace

public static String getFullStackTrace(Throwable ex)

获取异常的完整内容

buildExt

public static String buildExt(String extend,
                              boolean autoMake)

构建应用扩展目录

参数:

extend - 扩展配置

autoMake - 是否自动创建

bindTo

public static void bindTo(Map<String,String> source,
                          Object target)

将 source:Map 数据，绑定到 target:bean

bindTo

public static void bindTo(Properties source,
                          Object target)

将 source:Properties 数据，绑定到 target:bean

bindTo

public static void bindTo(Function<String,String> source,
                          Object target)

将 source:((k)->v) 数据，绑定到 target:bean

getContextClassLoader

public static ClassLoader getContextClassLoader()

获取当前线程的ClassLoader

getClassLoader

public static ClassLoader getClassLoader()

获取ClassLoader