1 files changed, 77 insertions, 0 deletions
diff --git a/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/eventspy/EventSpy.java b/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/eventspy/EventSpy.java
new file mode 100644
index 00000000..4284fce9
--- /dev/null
+++ b/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/eventspy/EventSpy.java
@@ -0,0 +1,77 @@
+package org.apache.maven.eventspy;
+
+/*
+ * 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.Map;
+
+/**
+ * A core extension to monitor Maven's execution. Typically, such an extension gets loaded into Maven by specifying the
+ * system property {@code maven.ext.class.path} on the command line. As soon as dependency injection is setup, Maven
+ * looks up all implementators of this interface and calls their {@link #init(Context)} method. <em>Note:</em>
+ * Implementors are strongly advised to inherit from {@link AbstractEventSpy} instead of directly implementing this
+ * interface.
+ * @since 3.0.2
+ */
+public interface EventSpy
+{
+
+    interface Context
+    {
+
+        /**
+         * Gets key-value pairs providing information about the Maven runtime.
+         *
+         * @return The key-value pairs, never {@code null}.
+         */
+        Map<String, Object> getData();
+
+    }
+
+    /**
+     * Initializes the spy.
+     *
+     * @param context The event spy context, never {@code null}.
+     */
+    void init( Context context )
+        throws Exception;
+
+    /**
+     * Notifies the spy of some build event/operation.
+     *
+     * @param event The event, never {@code null}.
+     * @see org.apache.maven.settings.building.SettingsBuildingRequest
+     * @see org.apache.maven.settings.building.SettingsBuildingResult
+     * @see org.apache.maven.execution.MavenExecutionRequest
+     * @see org.apache.maven.execution.MavenExecutionResult
+     * @see org.apache.maven.project.DependencyResolutionRequest
+     * @see org.apache.maven.project.DependencyResolutionResult
+     * @see org.apache.maven.execution.ExecutionEvent
+     * @see org.eclipse.aether.RepositoryEvent
+     */
+    void onEvent( Object event )
+        throws Exception;
+
+    /**
+     * Notifies the spy of Maven's termination, allowing it to free any resources allocated by it.
+     */
+    void close()
+        throws Exception;
+
+}