1 files changed, 70 insertions, 0 deletions
diff --git a/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/properties/internal/EnvironmentUtils.java b/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/properties/internal/EnvironmentUtils.java
new file mode 100644
index 00000000..2c3196fb
--- /dev/null
+++ b/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/properties/internal/EnvironmentUtils.java
@@ -0,0 +1,70 @@
+package org.apache.maven.properties.internal;
+
+/*
+ * 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.
+ */
+
+import java.util.Locale;
+import java.util.Map;
+import java.util.Properties;
+
+import org.codehaus.plexus.util.Os;
+
+/**
+ * Assists the project builder. <strong>Warning:</strong> This is an internal utility class that is only public for
+ * technical reasons, it is not part of the public API. In particular, this class can be changed or deleted without
+ * prior notice.
+ *
+ * @since 3.0
+ * @author Benjamin Bentmann
+ */
+public class EnvironmentUtils
+{
+
+    private static Properties envVars;
+
+    /**
+     * Adds the environment variables in the form of properties whose keys are prefixed with {@code env.}, e.g. {@code
+     * env.PATH}. Unlike native environment variables, properties are always case-sensitive. For the sake of
+     * determinism, the environment variable names will be normalized to upper case on platforms with case-insensitive
+     * variable lookup.
+     *
+     * @param props The properties to add the environment variables to, may be {@code null}.
+     */
+    public static void addEnvVars( Properties props )
+    {
+        if ( props != null )
+        {
+            if ( envVars == null )
+            {
+                Properties tmp = new Properties();
+                boolean caseSensitive = !Os.isFamily( Os.FAMILY_WINDOWS );
+                for ( Map.Entry<String, String> entry : System.getenv().entrySet() )
+                {
+                    String key =
+                        "env." + ( caseSensitive ? entry.getKey() : entry.getKey().toUpperCase( Locale.ENGLISH ) );
+                    tmp.setProperty( key, entry.getValue() );
+                }
+                envVars = tmp;
+            }
+
+            props.putAll( envVars );
+        }
+    }
+
+}