org.redkale.util

类 Utility

java.lang.Object

org.redkale.util.Utility

public final class Utility
extends java.lang.Object

详情见: https://redkale.org

方法概要

限定符和类型	方法和说明
static char[]	binToHex(byte[] bytes)
static char[]	binToHex(byte[] bytes, int offset, int len)
static java.lang.String	binToHexString(byte[] bytes)
static java.lang.String	binToHexString(byte[] bytes, int offset, int len)
static char[]	charArray(java.lang.String value)
static char[]	charArray(java.lang.StringBuilder value)
static java.net.Socket	createDefaultSSLSocket(java.net.InetAddress host, int port)
static java.net.Socket	createDefaultSSLSocket(java.net.InetSocketAddress address)
static char[]	decodeUTF8(byte[] array)
static char[]	decodeUTF8(byte[] array, int start, int len)
static java.nio.ByteBuffer	encodeUTF8(java.nio.ByteBuffer buffer, char[] array)
static java.nio.ByteBuffer	encodeUTF8(java.nio.ByteBuffer buffer, char[] text, int start, int len)
static java.nio.ByteBuffer	encodeUTF8(java.nio.ByteBuffer buffer, int bytesLength, char[] array)
static java.nio.ByteBuffer	encodeUTF8(java.nio.ByteBuffer buffer, int bytesLength, char[] text, int start, int len)
static byte[]	encodeUTF8(char[] array)
static byte[]	encodeUTF8(char[] text, int start, int len)
static byte[]	encodeUTF8(java.lang.String value)
static int	encodeUTF8Length(char[] text)
static int	encodeUTF8Length(char[] text, int start, int len)
static int	encodeUTF8Length(java.lang.String value)
static java.lang.String	format36time(long time)
static java.lang.String	formatTime(long time)
static javax.net.ssl.SSLContext	getDefaultSSLContext()
static byte[]	getHttpBytesContent(javax.net.ssl.SSLContext ctx, java.lang.String url)
static byte[]	getHttpBytesContent(javax.net.ssl.SSLContext ctx, java.lang.String url, java.util.Map<java.lang.String,java.lang.String> headers, java.lang.String body)
static byte[]	getHttpBytesContent(java.lang.String url)
static byte[]	getHttpBytesContent(java.lang.String url, java.util.Map<java.lang.String,java.lang.String> headers, java.lang.String body)
static java.lang.String	getHttpContent(javax.net.ssl.SSLContext ctx, java.lang.String url)
static java.lang.String	getHttpContent(javax.net.ssl.SSLContext ctx, java.lang.String url, java.nio.charset.Charset charset)
static java.lang.String	getHttpContent(javax.net.ssl.SSLContext ctx, java.lang.String url, java.nio.charset.Charset charset, java.util.Map<java.lang.String,java.lang.String> headers, java.lang.String body)
static java.lang.String	getHttpContent(javax.net.ssl.SSLContext ctx, java.lang.String url, java.util.Map<java.lang.String,java.lang.String> headers, java.lang.String body)
static java.lang.String	getHttpContent(java.lang.String url)
static java.lang.String	getHttpContent(java.lang.String url, java.nio.charset.Charset charset)
static java.lang.String	getHttpContent(java.lang.String url, java.nio.charset.Charset charset, java.util.Map<java.lang.String,java.lang.String> headers, java.lang.String body)
static java.lang.String	getHttpContent(java.lang.String url, java.util.Map<java.lang.String,java.lang.String> headers, java.lang.String body)
static byte[]	hexToBin(char[] src)
static byte[]	hexToBin(char[] src, int offset, int len)
static byte[]	hexToBin(java.lang.CharSequence src)
static byte[]	hexToBin(java.lang.CharSequence src, int offset, int len)
static byte[]	hexToBin(java.lang.String str)
static java.net.InetAddress	localInetAddress() 返回本机的第一个内网IPv4地址， 没有则返回null
static long	merge(int high, int low) 将两个数字组装成一个long
static long	midnight() 获取当天凌晨零点的格林时间
static long	midnight(long time) 获取指定时间当天凌晨零点的格林时间
static long	monday(long time) 获取时间点所在星期的周一
static long	monthFirstDay(long time) 获取时间点所在月份的1号
static java.lang.String	now()
static byte[]	postHttpBytesContent(javax.net.ssl.SSLContext ctx, java.lang.String url)
static byte[]	postHttpBytesContent(javax.net.ssl.SSLContext ctx, java.lang.String url, java.util.Map<java.lang.String,java.lang.String> headers, java.lang.String body)
static byte[]	postHttpBytesContent(java.lang.String url)
static byte[]	postHttpBytesContent(java.lang.String url, java.util.Map<java.lang.String,java.lang.String> headers, java.lang.String body)
static java.lang.String	postHttpContent(javax.net.ssl.SSLContext ctx, java.lang.String url)
static java.lang.String	postHttpContent(javax.net.ssl.SSLContext ctx, java.lang.String url, java.nio.charset.Charset charset)
static java.lang.String	postHttpContent(javax.net.ssl.SSLContext ctx, java.lang.String url, java.nio.charset.Charset charset, java.util.Map<java.lang.String,java.lang.String> headers, java.lang.String body)
static java.lang.String	postHttpContent(javax.net.ssl.SSLContext ctx, java.lang.String url, java.nio.charset.Charset charset, java.lang.String body)
static java.lang.String	postHttpContent(javax.net.ssl.SSLContext ctx, java.lang.String url, java.util.Map<java.lang.String,java.lang.String> headers, java.lang.String body)
static java.lang.String	postHttpContent(javax.net.ssl.SSLContext ctx, java.lang.String url, java.lang.String body)
static java.lang.String	postHttpContent(java.lang.String url)
static java.lang.String	postHttpContent(java.lang.String url, java.nio.charset.Charset charset)
static java.lang.String	postHttpContent(java.lang.String url, java.nio.charset.Charset charset, java.util.Map<java.lang.String,java.lang.String> headers, java.lang.String body)
static java.lang.String	postHttpContent(java.lang.String url, java.nio.charset.Charset charset, java.lang.String body)
static java.lang.String	postHttpContent(java.lang.String url, java.util.Map<java.lang.String,java.lang.String> headers, java.lang.String body)
static java.lang.String	postHttpContent(java.lang.String url, java.lang.String body)
static void	println(java.lang.String string, byte... bytes)
static void	println(java.lang.String string, java.nio.ByteBuffer buffer)
static java.lang.String	read(java.io.InputStream in)
static java.lang.String	read(java.io.InputStream in, java.lang.String charsetName)
static byte[]	readBytes(java.io.InputStream in)
static byte[]	readBytesThenClose(java.io.InputStream in)
static java.io.ByteArrayOutputStream	readStream(java.io.InputStream in)
static java.io.ByteArrayOutputStream	readStreamThenClose(java.io.InputStream in)
static java.io.ByteArrayOutputStream	remoteHttpContent(javax.net.ssl.SSLContext ctx, java.lang.String method, java.lang.String url, java.util.Map<java.lang.String,java.lang.String> headers, java.lang.String body)
static java.io.ByteArrayOutputStream	remoteHttpContent(java.lang.String method, java.lang.String url, java.util.Map<java.lang.String,java.lang.String> headers, java.lang.String body)
static long	sunday(long time) 获取时间点所在星期的周日
static int	today() 获取当天20151231格式的int值
static java.lang.String	toString(java.lang.String string, java.nio.ByteBuffer buffer)
static java.lang.String	uuid()
static int	yyyyMMdd(long time) 获取指定时间的20160202格式的int值

从类继承的方法 java.lang.Object

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

方法详细资料

uuid

public static java.lang.String uuid()

toString

public static java.lang.String toString(java.lang.String string,
                                        java.nio.ByteBuffer buffer)

println

public static void println(java.lang.String string,
                           java.nio.ByteBuffer buffer)

println

public static void println(java.lang.String string,
                           byte... bytes)

localInetAddress

public static java.net.InetAddress localInetAddress()

返回本机的第一个内网IPv4地址， 没有则返回null

返回:

IPv4地址

now

public static java.lang.String now()

formatTime

public static java.lang.String formatTime(long time)

format36time

public static java.lang.String format36time(long time)

midnight

public static long midnight()

获取当天凌晨零点的格林时间

返回:

毫秒数

midnight

public static long midnight(long time)

获取指定时间当天凌晨零点的格林时间

参数:

time - 指定时间

返回:

毫秒数

today

public static int today()

获取当天20151231格式的int值

返回:

20151231格式的int值

yyyyMMdd

public static int yyyyMMdd(long time)

获取指定时间的20160202格式的int值

参数:

time - 指定时间

返回:

毫秒数

monday

public static long monday(long time)

获取时间点所在星期的周一

参数:

time - 指定时间

返回:

毫秒数

sunday

public static long sunday(long time)

获取时间点所在星期的周日

参数:

time - 指定时间

返回:

毫秒数

monthFirstDay

public static long monthFirstDay(long time)

获取时间点所在月份的1号

参数:

time - 指定时间

返回:

毫秒数

binToHexString

public static java.lang.String binToHexString(byte[] bytes)

binToHex

public static char[] binToHex(byte[] bytes)

binToHexString

public static java.lang.String binToHexString(byte[] bytes,
                                              int offset,
                                              int len)

binToHex

public static char[] binToHex(byte[] bytes,
                              int offset,
                              int len)

hexToBin

public static byte[] hexToBin(java.lang.CharSequence src)

hexToBin

public static byte[] hexToBin(java.lang.CharSequence src,
                              int offset,
                              int len)

hexToBin

public static byte[] hexToBin(java.lang.String str)

hexToBin

public static byte[] hexToBin(char[] src)

hexToBin

public static byte[] hexToBin(char[] src,
                              int offset,
                              int len)

decodeUTF8

public static char[] decodeUTF8(byte[] array)

decodeUTF8

public static char[] decodeUTF8(byte[] array,
                                int start,
                                int len)

encodeUTF8

public static byte[] encodeUTF8(java.lang.String value)

encodeUTF8

public static byte[] encodeUTF8(char[] array)

encodeUTF8

public static byte[] encodeUTF8(char[] text,
                                int start,
                                int len)

charArray

public static char[] charArray(java.lang.String value)

charArray

public static char[] charArray(java.lang.StringBuilder value)

encodeUTF8

public static java.nio.ByteBuffer encodeUTF8(java.nio.ByteBuffer buffer,
                                             char[] array)

encodeUTF8

public static java.nio.ByteBuffer encodeUTF8(java.nio.ByteBuffer buffer,
                                             int bytesLength,
                                             char[] array)

encodeUTF8Length

public static int encodeUTF8Length(java.lang.String value)

encodeUTF8Length

public static int encodeUTF8Length(char[] text)

encodeUTF8Length

public static int encodeUTF8Length(char[] text,
                                   int start,
                                   int len)

merge

public static long merge(int high,
                         int low)

将两个数字组装成一个long

参数:

high - 高位值

low - 低位值

返回:

long值

encodeUTF8

public static java.nio.ByteBuffer encodeUTF8(java.nio.ByteBuffer buffer,
                                             char[] text,
                                             int start,
                                             int len)

encodeUTF8

public static java.nio.ByteBuffer encodeUTF8(java.nio.ByteBuffer buffer,
                                             int bytesLength,
                                             char[] text,
                                             int start,
                                             int len)

getDefaultSSLContext

public static javax.net.ssl.SSLContext getDefaultSSLContext()

createDefaultSSLSocket

public static java.net.Socket createDefaultSSLSocket(java.net.InetSocketAddress address)
                                              throws java.io.IOException

抛出:

java.io.IOException

createDefaultSSLSocket

public static java.net.Socket createDefaultSSLSocket(java.net.InetAddress host,
                                                     int port)
                                              throws java.io.IOException

抛出:

java.io.IOException

postHttpContent

public static java.lang.String postHttpContent(java.lang.String url)
                                        throws java.io.IOException

抛出:

java.io.IOException

postHttpContent

public static java.lang.String postHttpContent(java.lang.String url,
                                               java.lang.String body)
                                        throws java.io.IOException

抛出:

java.io.IOException

postHttpContent

public static java.lang.String postHttpContent(java.lang.String url,
                                               java.util.Map<java.lang.String,java.lang.String> headers,
                                               java.lang.String body)
                                        throws java.io.IOException

抛出:

java.io.IOException

postHttpContent

public static java.lang.String postHttpContent(javax.net.ssl.SSLContext ctx,
                                               java.lang.String url)
                                        throws java.io.IOException

抛出:

java.io.IOException

postHttpContent

public static java.lang.String postHttpContent(javax.net.ssl.SSLContext ctx,
                                               java.lang.String url,
                                               java.lang.String body)
                                        throws java.io.IOException

抛出:

java.io.IOException

postHttpContent

public static java.lang.String postHttpContent(javax.net.ssl.SSLContext ctx,
                                               java.lang.String url,
                                               java.util.Map<java.lang.String,java.lang.String> headers,
                                               java.lang.String body)
                                        throws java.io.IOException

抛出:

java.io.IOException

postHttpContent

public static java.lang.String postHttpContent(java.lang.String url,
                                               java.nio.charset.Charset charset)
                                        throws java.io.IOException

抛出:

java.io.IOException

postHttpContent

public static java.lang.String postHttpContent(java.lang.String url,
                                               java.nio.charset.Charset charset,
                                               java.lang.String body)
                                        throws java.io.IOException

抛出:

java.io.IOException

postHttpContent

public static java.lang.String postHttpContent(java.lang.String url,
                                               java.nio.charset.Charset charset,
                                               java.util.Map<java.lang.String,java.lang.String> headers,
                                               java.lang.String body)
                                        throws java.io.IOException

抛出:

java.io.IOException

postHttpContent

public static java.lang.String postHttpContent(javax.net.ssl.SSLContext ctx,
                                               java.lang.String url,
                                               java.nio.charset.Charset charset)
                                        throws java.io.IOException

抛出:

java.io.IOException

postHttpContent

public static java.lang.String postHttpContent(javax.net.ssl.SSLContext ctx,
                                               java.lang.String url,
                                               java.nio.charset.Charset charset,
                                               java.lang.String body)
                                        throws java.io.IOException

抛出:

java.io.IOException

postHttpContent

public static java.lang.String postHttpContent(javax.net.ssl.SSLContext ctx,
                                               java.lang.String url,
                                               java.nio.charset.Charset charset,
                                               java.util.Map<java.lang.String,java.lang.String> headers,
                                               java.lang.String body)
                                        throws java.io.IOException

抛出:

java.io.IOException

postHttpBytesContent

public static byte[] postHttpBytesContent(java.lang.String url)
                                   throws java.io.IOException

抛出:

java.io.IOException

postHttpBytesContent

public static byte[] postHttpBytesContent(javax.net.ssl.SSLContext ctx,
                                          java.lang.String url)
                                   throws java.io.IOException

抛出:

java.io.IOException

postHttpBytesContent

public static byte[] postHttpBytesContent(java.lang.String url,
                                          java.util.Map<java.lang.String,java.lang.String> headers,
                                          java.lang.String body)
                                   throws java.io.IOException

抛出:

java.io.IOException

postHttpBytesContent

public static byte[] postHttpBytesContent(javax.net.ssl.SSLContext ctx,
                                          java.lang.String url,
                                          java.util.Map<java.lang.String,java.lang.String> headers,
                                          java.lang.String body)
                                   throws java.io.IOException

抛出:

java.io.IOException

getHttpContent

public static java.lang.String getHttpContent(java.lang.String url)
                                       throws java.io.IOException

抛出:

java.io.IOException

getHttpContent

public static java.lang.String getHttpContent(javax.net.ssl.SSLContext ctx,
                                              java.lang.String url)
                                       throws java.io.IOException

抛出:

java.io.IOException

getHttpContent

public static java.lang.String getHttpContent(javax.net.ssl.SSLContext ctx,
                                              java.lang.String url,
                                              java.util.Map<java.lang.String,java.lang.String> headers,
                                              java.lang.String body)
                                       throws java.io.IOException

抛出:

java.io.IOException

getHttpContent

public static java.lang.String getHttpContent(java.lang.String url,
                                              java.util.Map<java.lang.String,java.lang.String> headers,
                                              java.lang.String body)
                                       throws java.io.IOException

抛出:

java.io.IOException

getHttpContent

public static java.lang.String getHttpContent(java.lang.String url,
                                              java.nio.charset.Charset charset)
                                       throws java.io.IOException

抛出:

java.io.IOException

getHttpContent

public static java.lang.String getHttpContent(javax.net.ssl.SSLContext ctx,
                                              java.lang.String url,
                                              java.nio.charset.Charset charset)
                                       throws java.io.IOException

抛出:

java.io.IOException

getHttpContent

public static java.lang.String getHttpContent(javax.net.ssl.SSLContext ctx,
                                              java.lang.String url,
                                              java.nio.charset.Charset charset,
                                              java.util.Map<java.lang.String,java.lang.String> headers,
                                              java.lang.String body)
                                       throws java.io.IOException

抛出:

java.io.IOException

getHttpContent

public static java.lang.String getHttpContent(java.lang.String url,
                                              java.nio.charset.Charset charset,
                                              java.util.Map<java.lang.String,java.lang.String> headers,
                                              java.lang.String body)
                                       throws java.io.IOException

抛出:

java.io.IOException

getHttpBytesContent

public static byte[] getHttpBytesContent(java.lang.String url)
                                  throws java.io.IOException

抛出:

java.io.IOException

getHttpBytesContent

public static byte[] getHttpBytesContent(javax.net.ssl.SSLContext ctx,
                                         java.lang.String url)
                                  throws java.io.IOException

抛出:

java.io.IOException

getHttpBytesContent

public static byte[] getHttpBytesContent(java.lang.String url,
                                         java.util.Map<java.lang.String,java.lang.String> headers,
                                         java.lang.String body)
                                  throws java.io.IOException

抛出:

java.io.IOException

getHttpBytesContent

public static byte[] getHttpBytesContent(javax.net.ssl.SSLContext ctx,
                                         java.lang.String url,
                                         java.util.Map<java.lang.String,java.lang.String> headers,
                                         java.lang.String body)
                                  throws java.io.IOException

抛出:

java.io.IOException

remoteHttpContent

public static java.io.ByteArrayOutputStream remoteHttpContent(java.lang.String method,
                                                              java.lang.String url,
                                                              java.util.Map<java.lang.String,java.lang.String> headers,
                                                              java.lang.String body)
                                                       throws java.io.IOException

抛出:

java.io.IOException

remoteHttpContent

public static java.io.ByteArrayOutputStream remoteHttpContent(javax.net.ssl.SSLContext ctx,
                                                              java.lang.String method,
                                                              java.lang.String url,
                                                              java.util.Map<java.lang.String,java.lang.String> headers,
                                                              java.lang.String body)
                                                       throws java.io.IOException

抛出:

java.io.IOException

read

public static java.lang.String read(java.io.InputStream in)
                             throws java.io.IOException

抛出:

java.io.IOException

read

public static java.lang.String read(java.io.InputStream in,
                                    java.lang.String charsetName)
                             throws java.io.IOException

抛出:

java.io.IOException

readStream

public static java.io.ByteArrayOutputStream readStream(java.io.InputStream in)
                                                throws java.io.IOException

抛出:

java.io.IOException

readBytes

public static byte[] readBytes(java.io.InputStream in)
                        throws java.io.IOException

抛出:

java.io.IOException

readStreamThenClose

public static java.io.ByteArrayOutputStream readStreamThenClose(java.io.InputStream in)
                                                         throws java.io.IOException

抛出:

java.io.IOException

readBytesThenClose

public static byte[] readBytesThenClose(java.io.InputStream in)
                                 throws java.io.IOException

抛出:

java.io.IOException