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https://issues.apache.org/jira/browse/MNG-7820?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17764414#comment-17764414
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ASF GitHub Bot commented on MNG-7820:
-------------------------------------
gnodet commented on code in PR #1208:
URL: https://github.com/apache/maven/pull/1208#discussion_r1323636892
##########
maven-core/src/main/java/org/apache/maven/utils/introspection/ReflectionValueExtractor.java:
##########
@@ -0,0 +1,325 @@
+/*
+ * 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.
+ */
+package org.apache.maven.utils.introspection;
+
+import java.lang.ref.WeakReference;
+import java.lang.reflect.Array;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.List;
+import java.util.Map;
+import java.util.WeakHashMap;
+
+/**
+ * <p>
+ * Using simple dotted expressions to extract the values from an Object
instance, For example we might want to extract a
+ * value like: <code>project.build.sourceDirectory</code>
+ * </p>
+ * <p>
+ * The implementation supports indexed, nested and mapped properties similar
to the JSP way.
+ * </p>
+ *
+ * @author <a href="mailto:ja...@maven.org";>Jason van Zyl </a>
+ * @author <a href="mailto:vincent.sive...@gmail.com";>Vincent Siveton</a>
+ *
+ * @see <a href=
+ *
"http://struts.apache.org/1.x/struts-taglib/indexedprops.html";>http://struts.apache.org/1.x/struts-taglib/indexedprops.html</a>
+ */
+public class ReflectionValueExtractor {
+ private static final Class<?>[] CLASS_ARGS = new Class[0];
+
+ private static final Object[] OBJECT_ARGS = new Object[0];
+
+ /**
+ * Use a WeakHashMap here, so the keys (Class objects) can be garbage
collected. This approach prevents permgen
+ * space overflows due to retention of discarded classloaders.
+ */
+ private static final Map<Class<?>, WeakReference<ClassMap>> CLASS_MAPS =
new WeakHashMap<>();
+
+ static final int EOF = -1;
Review Comment:
Fixed
> Remove dependency on plexus-utils
> ---------------------------------
>
> Key: MNG-7820
> URL: https://issues.apache.org/jira/browse/MNG-7820
> Project: Maven
> Issue Type: Task
> Reporter: Guillaume Nodet
> Priority: Major
> Fix For: 4.0.0-alpha-8
>
>
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