日期:2014-05-16 浏览次数:20486 次
<dependency>
<groupId>com.google.code.findbugs</groupId>
<artifactId>jsr305</artifactId>
<version>1.3.9</version>
<scope>compile</scope>
</dependency>
/**
* null to empty
*
* @param s @Nullable the string
* @return @Nullable the string
*/
@Nonnull
public static String nullToEmpty(@Nullable String s) {
return s == null ? EMPTY : s;
}