[java-shib-shared] branch main updated: JSSH-27 - Implement an ensureId method to help with nullability annotation

[Ian Young]

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iay pushed a commit to branch main
in repository java-shib-shared.

View the commit online:
http://git.shibboleth.net/view/?p=java-shib-shared.git;a=commit;h=9af5e7fd8b06afbc8657e17cc1aed80df83375ed

The following commit(s) were added to refs/heads/main by this push:
     new 9af5e7fd JSSH-27 - Implement an ensureId method to help with nullability annotation
9af5e7fd is described below

commit 9af5e7fd8b06afbc8657e17cc1aed80df83375ed
Author: Ian Young <ian at iay.org.uk>
AuthorDate: Fri Apr 21 17:15:44 2023 +0100

    JSSH-27 - Implement an ensureId method to help with nullability annotation
    
    https://shibboleth.atlassian.net/browse/JSSH-27
---
 .../AbstractIdentifiedInitializableComponent.java     | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/shib-support/src/main/java/net/shibboleth/shared/component/AbstractIdentifiedInitializableComponent.java b/shib-support/src/main/java/net/shibboleth/shared/component/AbstractIdentifiedInitializableComponent.java
index 42120d1d..43b5dc9e 100644
--- a/shib-support/src/main/java/net/shibboleth/shared/component/AbstractIdentifiedInitializableComponent.java
+++ b/shib-support/src/main/java/net/shibboleth/shared/component/AbstractIdentifiedInitializableComponent.java
@@ -41,6 +41,25 @@ public abstract class AbstractIdentifiedInitializableComponent extends AbstractI
         return id;
     }
     
+    /**
+     * Return the ID of this component, guaranteeing a non-<code>null</code>
+     * result.
+     *
+     * @return the ID of this component, never <code>null</code>
+     * @throws IllegalStateException if called before the ID has been set
+     *
+     * @see #getId()
+     *
+     * @since 9.0.0
+     */
+    protected final @Nonnull String ensureId() {
+        final var id = getId();
+        if (id == null) {
+            throw new IllegalStateException();
+        }
+        return id;
+    }
+
     /**
      * Checks if the component is destroyed and, if so, throws a {@link DestroyedComponentException}.
      */

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