android-calculatorpp/src/org/solovyev/util/StringUtils.java
2011-09-10 22:20:58 +04:00

18 lines
408 B
Java

package org.solovyev.util;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
public class StringUtils {
public static boolean isEmpty ( @Nullable CharSequence s ){
return s == null || s.length() == 0;
}
@NotNull
public static String getNotEmpty ( @Nullable CharSequence s, @NotNull String defaultValue ){
return isEmpty(s) ? defaultValue : s.toString();
}
}