程序包 cn.taketoday.logging

类 LogMessage

java.lang.Object

cn.taketoday.logging.LogMessage

直接已知子类:

LogMessage.FormatMessage, LogMessage.SupplierMessage

public abstract class LogMessage
extends Object

A simple log message type for use with Commons Logging, allowing for convenient lazy resolution of a given Supplier instance (typically bound to a Java 8 lambda expression) or a printf-style format string (MessageFormatter.format(java.lang.String, java.lang.Object)) in its toString().

从以下版本开始:

4.0

作者:

Juergen Hoeller, Harry Yang

另请参阅:

• from(Supplier)
• format(String, Object)
• format(String, Object...)
• Logger.error(Object)
• Logger.warn(Object)
• Logger.info(Object)
• Logger.debug(Object)
• Logger.trace(Object)

嵌套类概要

嵌套类

修饰符和类型	类	说明
private static class	LogMessage.FormatMessage
private static final class	LogMessage.FormatMessage1
private static final class	LogMessage.FormatMessage2
private static final class	LogMessage.FormatMessage3
private static final class	LogMessage.FormatMessage4
private static final class	LogMessage.FormatMessageX
private static final class	LogMessage.SupplierMessage

字段概要

字段

修饰符和类型	字段	说明
private String	result

构造器概要

构造器

构造器	说明
LogMessage()

方法概要

修饰符和类型	方法	说明
(专用程序包) abstract String	buildString()
static LogMessage	format(String format, Object arg1)	Build a lazily formatted message from the given format string and argument.
static LogMessage	format(String format, Object... args)	Build a lazily formatted message from the given format string and varargs.
static LogMessage	format(String format, Object arg1, Object arg2)	Build a lazily formatted message from the given format string and arguments.
static LogMessage	format(String format, Object arg1, Object arg2, Object arg3)	Build a lazily formatted message from the given format string and arguments.
static LogMessage	format(String format, Object arg1, Object arg2, Object arg3, Object arg4)	Build a lazily formatted message from the given format string and arguments.
static LogMessage	from(Supplier<? extends CharSequence> supplier)	Build a lazily resolving message from the given supplier.
String	toString()	This will be called by the logging provider, potentially once per log target (therefore locally caching the result here).

从类继承的方法 java.lang.Object

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

字段详细资料

result

@Nullable
private String result

构造器详细资料

LogMessage

public LogMessage()

方法详细资料

toString

public String toString()

This will be called by the logging provider, potentially once per log target (therefore locally caching the result here).

覆盖:

toString 在类中 Object

buildString

abstract String buildString()

from

public static LogMessage from(Supplier<? extends CharSequence> supplier)

Build a lazily resolving message from the given supplier.

参数:

supplier - the supplier (typically bound to a Java 8 lambda expression)

另请参阅:

• toString()

format

public static LogMessage format(String format,
 Object arg1)

Build a lazily formatted message from the given format string and argument.

参数:

format - the format string (following MessageFormatter.format(String, Object[]) rules)

arg1 - the argument

另请参阅:

• MessageFormatter.format(String, Object...)

format

public static LogMessage format(String format,
 Object arg1,
 Object arg2)

Build a lazily formatted message from the given format string and arguments.

参数:

format - the format string (following MessageFormatter.format(String, Object[]) rules)

arg1 - the first argument

arg2 - the second argument

另请参阅:

• MessageFormatter.format(String, Object[])

format

public static LogMessage format(String format,
 Object arg1,
 Object arg2,
 Object arg3)

Build a lazily formatted message from the given format string and arguments.

参数:

format - the format string (following MessageFormatter.format(String, Object[]) rules)

arg1 - the first argument

arg2 - the second argument

arg3 - the third argument

另请参阅:

• MessageFormatter.format(String, Object...)

format

public static LogMessage format(String format,
 Object arg1,
 Object arg2,
 Object arg3,
 Object arg4)

Build a lazily formatted message from the given format string and arguments.

参数:

format - the format string (following MessageFormatter.format(String, Object[]) rules)

arg1 - the first argument

arg2 - the second argument

arg3 - the third argument

arg4 - the fourth argument

另请参阅:

• MessageFormatter.format(String, Object...)

format

public static LogMessage format(String format,
 Object... args)

Build a lazily formatted message from the given format string and varargs.

参数:

format - the format string (following MessageFormatter.format(String, Object[]) rules)

args - the varargs array (costly, prefer individual arguments)

另请参阅:

• MessageFormatter.format(String, Object...)