Added class ValidityDeterminatorRegistry

README.md

@@ -115,7 +115,8 @@ Please ensure that your stack size is at least 1MB (for Saxon). Using the Oracle
 
 * v10.0.4 - work in progress
     * Added new interface `IValidationExecutorSetMutable`
-    * Added new class `ValidationExecutorSetAlias`
+    * Added new class `ValidationExecutorSetAlias` to be able to proxy existing VES with different coordinates
+    * Added new class `ValidityDeterminatorRegistry` to support validity determination processes
 * v10.0.3 - 2024-12-01
     * Added default XML serialization of validation results
     * Added new `EValidationBaseType` entries

phive-api/src/main/java/com/helger/phive/api/validity/IValidityDeterminator.java

@@ -51,10 +51,11 @@ public interface IValidityDeterminator <SOURCETYPE extends IValidationSource>
   /**
    * @return A validity determinator that marks entries with at least one error
    *         as INVALID and others as VALID. It contains no uncertainty.
+   * @see ValidityDeterminatorRegistry#getValidityOneErrorInvalid(IErrorList)
    */
   static <ST extends IValidationSource> IValidityDeterminator <ST> createCertainOneErrorInvalid ()
   {
-    return (ex, errList) -> errList.containsAtLeastOneError () ? EExtendedValidity.INVALID : EExtendedValidity.VALID;
+    return (vex, errList) -> ValidityDeterminatorRegistry.getValidityOneErrorInvalid (errList);
   }
 
   /**

phive-api/src/main/java/com/helger/phive/api/validity/ValidityDeterminatorRegistry.java

@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2014-2024 Philip Helger (www.helger.com)
+ * philip[at]helger[dot]com
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.helger.phive.api.validity;
+
+import javax.annotation.Nonnull;
+import javax.annotation.concurrent.Immutable;
+
+import com.helger.commons.ValueEnforcer;
+import com.helger.commons.error.list.IErrorList;
+
+/**
+ * Helper class for validity determination implementations
+ *
+ * @author Philip Helger
+ * @since 10.0.4
+ */
+@Immutable
+public final class ValidityDeterminatorRegistry
+{
+  private ValidityDeterminatorRegistry ()
+  {}
+
+  /**
+   * Calculate the validity of an error list like this: if at least one entry of
+   * error level "error" or more severe is contained, the overall validity is
+   * invalid.
+   *
+   * @param aErrorList
+   *        The error list to scan. May not be <code>null</code>.
+   * @return Never <code>null</code>.
+   */
+  @Nonnull
+  public static EExtendedValidity getValidityOneErrorInvalid (@Nonnull final IErrorList aErrorList)
+  {
+    ValueEnforcer.notNull (aErrorList, "ErrorList");
+    return aErrorList.containsAtLeastOneError () ? EExtendedValidity.INVALID : EExtendedValidity.VALID;
+  }
+}