Integrate commons-maven to eliminate classpath text file based solution

vscode-extensions/commons/commons-java/src/main/java/org/springframework/ide/vscode/commons/java/IClasspath.java

@@ -1,14 +1,33 @@
-package org.springframework.ide.vscode.commons.java;
-
-import java.nio.file.Path;
-
-public interface IClasspath {
-
-	/**
-	 * Deprecated: Remove this. We should expose here information about classpath as a list of entries. Not
-	 * depend on where it is read from.
-	 */
-	@Deprecated
-	Path getPath();
-
-}
+/*******************************************************************************
+ * Copyright (c) 2016 Pivotal, Inc.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Pivotal, Inc. - initial API and implementation
+ *******************************************************************************/
+package org.springframework.ide.vscode.commons.java;
+
+import java.nio.file.Path;
+import java.util.Collection;
+
+/**
+ * Classpath for a Java artifact
+ * 
+ * @author Kris De Volder
+ * @author Alex Boyko
+ *
+ */
+public interface IClasspath {
+
+	/**
+	 * Classpath entries paths
+	 * 
+	 * @return collection of classpath entries in a form file/folder paths
+	 * @throws Exception
+	 */
+	Collection<Path> getClasspathEntries() throws Exception;
+
+}