Added sample for extending Main to collect joinpoints from ASM.

1 files changed, 67 insertions, 0 deletions

diff --git a/docs/samples/extensions/JoinPointCollector.java b/docs/samples/extensions/JoinPointCollector.java
new file mode 100644
index 000000000..44065c437
--- /dev/null
+++ b/docs/samples/extensions/JoinPointCollector.java
@@ -0,0 +1,67 @@
+
+package org.aspectj.samples;
+
+import java.util.*;
+import org.aspectj.tools.ajc.Main;
+
+
+import org.aspectj.asm.*;
+
+/**
+ * Collects join point information for all advised methods and constructors.  Prints results
+ * to 
+ * 
+ * @author Mik Kersten
+ */
+public class JoinPointCollector extends Main {
+
+	/**
+	 *
+	 * @param args
+	 */
+	public static void main(String[] args) {
+		String[] newArgs = new String[args.length +1];
+		newArgs[0] = "-emacssym";
+		for (int i = 0; i < args.length; i++) {
+			newArgs[i+1] = args[i]; 
+		}
+		new JoinPointCollector().runMain(newArgs, false);
+	}
+ 
+	public void runMain(String[] args, boolean useSystemExit) {
+		super.runMain(args, useSystemExit);
+		
+		ModelWalker walker = new ModelWalker() {
+			public void preProcess(StructureNode node) {
+				ProgramElementNode p = (ProgramElementNode)node;
+				
+				// first check if it is a method or constructor
+				if (p.getProgramElementKind().equals(ProgramElementNode.Kind.METHOD)) {
+
+					// now check if it is advsied
+					for (Iterator it = p.getRelations().iterator(); it.hasNext(); ) {
+					
+						RelationNode relationNode = (RelationNode)it.next();
+						Relation relation = relationNode.getRelation();
+						if (relation == AdviceAssociation.METHOD_RELATION) {
+							System.out.println("method: " + p.toString() + ", advised by: " + relationNode.getChildren());
+						} 
+					}
+				}
+					
+				// code around the fact that constructor advice relationship is on the type
+				if (p.getProgramElementKind().equals(ProgramElementNode.Kind.CONSTRUCTOR)) {
+					for (Iterator it = ((ProgramElementNode)p.getParent()).getRelations().iterator(); it.hasNext(); ) {
+						RelationNode relationNode = (RelationNode)it.next();
+						Relation relation = relationNode.getRelation();
+						if (relation == AdviceAssociation.CONSTRUCTOR_RELATION) {
+							System.out.println("constructor: " + p.toString() + ", advised by: " + relationNode.getChildren());
+						} 
+					}
+				}
+			}
+		};
+
+		StructureModelManager.getDefault().getStructureModel().getRoot().walk(walker);
+	}
+}