1 files changed, 45 insertions, 0 deletions
diff --git a/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/configuration/BeanConfigurationValuePreprocessor.java b/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/configuration/BeanConfigurationValuePreprocessor.java
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--- /dev/null
+++ b/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/configuration/BeanConfigurationValuePreprocessor.java
@@ -0,0 +1,45 @@
+package org.apache.maven.configuration;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
+/**
+ * Preprocesses a value from a bean configuration before the bean configurator unmarshals it into a bean property. A
+ * common use case for such preprocessing is the evaluation of variables within the configuration value.
+ *
+ * @author Benjamin Bentmann
+ */
+public interface BeanConfigurationValuePreprocessor
+{
+
+    /**
+     * Preprocesses the specified bean configuration value. The optional type provided to this method is a hint (not a
+     * requirement) for the preprocessor to resolve the value to a compatible value or a (string) value than can be
+     * unmarshalled into that type. The preprocessor is not required to perform any type conversion but should rather
+     * filter out incompatible values from its result.
+     *
+     * @param value The configuration value to preprocess, must not be {@code null}.
+     * @param type The target type of the value, may be {@code null}.
+     * @return The processed configuration value or {@code null} if none.
+     * @throws BeanConfigurationException If an error occurred while preprocessing the value.
+     */
+    Object preprocessValue( String value, Class<?> type )
+        throws BeanConfigurationException;
+
+}