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[BAEL-16531] - Move all the existing articles on "optional" under java-optional

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catalin-burcea
2019-11-26 12:01:07 +02:00
parent 5df99fa226
commit 34e61efb0a
29 changed files with 230 additions and 201 deletions
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26
core-java-modules/core-java-9/src/main/java/com/baeldung/optionals/Optionals.java
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@@ -1,26 +0,0 @@
package com.baeldung.optionals;
import java.util.Optional;
public class Optionals {
public static <T> Optional<T> or(Optional<T> optional, Optional<T> fallback) {
return optional.isPresent() ? optional : fallback;
}
public static Optional<String> getName(Optional<String> name) {
return name.or(() -> getCustomMessage());
}
public static com.google.common.base.Optional<String> getOptionalGuavaName(com.google.common.base.Optional<String> name) {
return name.or(getCustomMessageGuava());
}
private static Optional<String> getCustomMessage() {
return Optional.of("Name not provided");
}
private static com.google.common.base.Optional<String> getCustomMessageGuava() {
return com.google.common.base.Optional.of("Name not provided");
}
}