Add specific exception indicating wrong curationDataSelector (#205)

core/src/main/java/com/devonfw/tools/solicitor/componentinfo/curation/ComponentInfoAdapterNonExistingCurationDataSelectorException.java

@@ -0,0 +1,33 @@
+package com.devonfw.tools.solicitor.componentinfo.curation;
+
+import com.devonfw.tools.solicitor.componentinfo.ComponentInfoAdapterException;
+
+/**
+ * This exception is thrown when an attempt is made to access a non-existing curation data selector when trying to
+ * retrieve curations.
+ *
+ */
+public class ComponentInfoAdapterNonExistingCurationDataSelectorException extends ComponentInfoAdapterException {
+
+  /**
+   * Constructs a new ComponentInfoAdapterNonExistingCurationDataSelectorException with the specified detail message.
+   *
+   * @param message the detail message (which is saved for later retrieval by the getMessage() method).
+   */
+  public ComponentInfoAdapterNonExistingCurationDataSelectorException(String message) {
+
+    super(message);
+  }
+
+  /**
+   * Constructs a new ComponentInfoAdapterNonExistingCurationDataSelectorException with the specified detail message and
+   * a nested Throwable cause.
+   *
+   * @param message the detail message (which is saved for later retrieval by the getMessage() method).
+   * @param cause the nested cause Throwable (which is saved for later retrieval by the getCause() method).
+   */
+  public ComponentInfoAdapterNonExistingCurationDataSelectorException(String message, Throwable cause) {
+
+    super(message, cause);
+  }
+}

core/src/main/java/com/devonfw/tools/solicitor/componentinfo/curation/CurationProvider.java

@@ -18,8 +18,10 @@ public interface CurationProvider {
    *        indicates that the default should be used.
    * @return the curation data if it exists or <code>null</code> if no curation exist for the package.
    * @throws ComponentInfoAdapterException if something unexpected happens
+   * @throws ComponentInfoAdapterNonExistingCurationDataSelectorException if the specified curationDataSelector could not be
+   *         resolved
    */
   ComponentInfoCuration findCurations(String packageUrl, String curationDataSelector)
-      throws ComponentInfoAdapterException;
+      throws ComponentInfoAdapterException, ComponentInfoAdapterNonExistingCurationDataSelectorException;
 
 }