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Sam Brannen
2023-02-27 16:46:16 +01:00
parent 854b625be2
commit b1b24458c9
1 changed files with 11 additions and 7 deletions
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18
spring-core/src/main/java/org/springframework/core/log/LogMessage.java
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@@ -22,10 +22,10 @@ import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
/**
* A simple log message type for use with Commons Logging, allowing
* for convenient lazy resolution of a given {@link Supplier} instance
* (typically bound to a Java 8 lambda expression) or a printf-style
* format string ({@link String#format}) in its {@link #toString()}.
* A simple log message type for use with Commons Logging, allowing for convenient
* lazy resolution of a given {@link Supplier} instance (typically bound to a lambda
* expression) or a printf-style format string ({@link String#format}) in its
* {@link #toString()}.
*
* @author Juergen Hoeller
* @author Sebastien Deleuze
@@ -78,7 +78,7 @@ public abstract class LogMessage implements CharSequence {
/**
* Build a lazily resolving message from the given supplier.
* @param supplier the supplier (typically bound to a Java 8 lambda expression)
* @param supplier the supplier (typically bound to a lambda expression)
* @see #toString()
*/
public static LogMessage of(Supplier<? extends CharSequence> supplier) {
@@ -134,8 +134,12 @@ public abstract class LogMessage implements CharSequence {
/**
* Build a lazily formatted message from the given format string and varargs.
* <p>This varargs {@code format()} variant may be costly. You should therefore
* use the individual argument variants whenever possible:
* {@link #format(String, Object)}, {@link #format(String, Object, Object)}, etc.
* @param format the format string (following {@link String#format} rules)
* @param args the varargs array (can be {@code null}, costly, prefer individual arguments)
* @param args the varargs array (can be {@code null} and can contain {@code null}
* elements)
* @see String#format(String, Object...)
*/
public static LogMessage format(String format, @Nullable Object... args) {
@@ -145,7 +149,7 @@ public abstract class LogMessage implements CharSequence {
private static final class SupplierMessage extends LogMessage {
private Supplier<? extends CharSequence> supplier;
private final Supplier<? extends CharSequence> supplier;
SupplierMessage(Supplier<? extends CharSequence> supplier) {
Assert.notNull(supplier, "Supplier must not be null");