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