60 lines
1.2 KiB
Plaintext
60 lines
1.2 KiB
Plaintext
[[using-shell-options-optional]]
|
|
= Optional Value
|
|
|
|
ifndef::snippets[:snippets: ../../../../src/test/java/org/springframework/shell/docs]
|
|
|
|
An option is either required or not and, generally speaking, how it behaves depends on
|
|
a command target.
|
|
|
|
Making option optional.
|
|
|
|
[tabs]
|
|
======
|
|
Programmatic::
|
|
+
|
|
[source,java,indent=0,role="primary"]
|
|
----
|
|
include::{snippets}/OptionSnippets.java[tag=option-optional-programmatic]
|
|
----
|
|
|
|
Annotation::
|
|
+
|
|
[source,java,indent=0,role="secondary"]
|
|
----
|
|
include::{snippets}/OptionSnippets.java[tag=option-optional-annotation]
|
|
----
|
|
|
|
Legacy Annotation::
|
|
+
|
|
[source,java,indent=0,role="secondary"]
|
|
----
|
|
include::{snippets}/OptionSnippets.java[tag=option-optional-legacyannotation]
|
|
----
|
|
======
|
|
|
|
Making option mandatory.
|
|
|
|
[tabs]
|
|
======
|
|
Programmatic::
|
|
+
|
|
[source,java,indent=0,role="primary"]
|
|
----
|
|
include::{snippets}/OptionSnippets.java[tag=option-mandatory-programmatic]
|
|
----
|
|
|
|
Annotation::
|
|
+
|
|
[source,java,indent=0,role="secondary"]
|
|
----
|
|
include::{snippets}/OptionSnippets.java[tag=option-mandatory-annotation]
|
|
----
|
|
|
|
Legacy Annotation::
|
|
+
|
|
[source,java,indent=0,role="secondary"]
|
|
----
|
|
include::{snippets}/OptionSnippets.java[tag=option-mandatory-legacyannotation]
|
|
----
|
|
======
|