1 files changed, 91 insertions, 0 deletions
diff --git a/framework/src/maven/apache-maven-3.3.3/maven-embedder/src/main/java/org/apache/maven/cli/logging/Slf4jConfigurationFactory.java b/framework/src/maven/apache-maven-3.3.3/maven-embedder/src/main/java/org/apache/maven/cli/logging/Slf4jConfigurationFactory.java
new file mode 100644
index 00000000..b50d9442
--- /dev/null
+++ b/framework/src/maven/apache-maven-3.3.3/maven-embedder/src/main/java/org/apache/maven/cli/logging/Slf4jConfigurationFactory.java
@@ -0,0 +1,91 @@
+package org.apache.maven.cli.logging;
+
+/*
+ * 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.io.IOException;
+import java.net.URL;
+import java.util.Enumeration;
+import java.util.LinkedHashMap;
+import java.util.Map;
+import java.util.Properties;
+import java.util.Set;
+
+import org.apache.maven.cli.logging.impl.UnsupportedSlf4jBindingConfiguration;
+import org.codehaus.plexus.util.PropertyUtils;
+import org.slf4j.ILoggerFactory;
+
+/**
+ * Slf4jConfiguration factory, loading implementations from <code>META-INF/maven/slf4j-configuration.properties</code>
+ * configuration files in class loader: key is the class name of the ILoggerFactory, value is the class name of
+ * the corresponding Slf4jConfiguration.
+ *
+ * @author Hervé Boutemy
+ * @since 3.1.0
+ */
+public class Slf4jConfigurationFactory
+{
+    public static final String RESOURCE = "META-INF/maven/slf4j-configuration.properties";
+
+    public static Slf4jConfiguration getConfiguration( ILoggerFactory loggerFactory )
+    {
+        Map<URL, Set<Object>> supported = new LinkedHashMap<URL, Set<Object>>();
+
+        String slf4jBinding = loggerFactory.getClass().getCanonicalName();
+
+        try
+        {
+            Enumeration<URL> resources = Slf4jConfigurationFactory.class.getClassLoader().getResources( RESOURCE );
+
+            while ( resources.hasMoreElements() )
+            {
+                URL resource = resources.nextElement();
+
+                Properties conf = PropertyUtils.loadProperties( resource.openStream() );
+
+                String impl = conf.getProperty( slf4jBinding );
+
+                if ( impl != null )
+                {
+                    return (Slf4jConfiguration) Class.forName( impl ).newInstance();
+                }
+
+                supported.put( resource, conf.keySet() );
+            }
+        }
+        catch ( IOException e )
+        {
+            e.printStackTrace();
+        }
+        catch ( InstantiationException e )
+        {
+            e.printStackTrace();
+        }
+        catch ( IllegalAccessException e )
+        {
+            e.printStackTrace();
+        }
+        catch ( ClassNotFoundException e )
+        {
+            e.printStackTrace();
+        }
+
+        return new UnsupportedSlf4jBindingConfiguration( slf4jBinding, supported );
+    }
+}