added callback thingy to reports

git-svn-id: https://pmd.svn.sourceforge.net/svnroot/pmd/trunk@629 51baf565-9d33-0410-a72c-fc3788e3496d

pmd/regress/test/net/sourceforge/pmd/ReportTest.java

@@ -11,12 +11,15 @@ import net.sourceforge.pmd.renderers.XMLRenderer;
 import net.sourceforge.pmd.RuleViolation;
 import net.sourceforge.pmd.Rule;
 import net.sourceforge.pmd.Report;
+import net.sourceforge.pmd.ReportListener;
 
 import java.lang.reflect.Proxy;
 import java.lang.reflect.InvocationHandler;
 import java.lang.reflect.Method;
 
-public class ReportTest extends TestCase {
+public class ReportTest extends TestCase implements ReportListener {
+
+    private boolean semaphore;
 
     public ReportTest(String name) {
         super(name);
@@ -49,23 +52,17 @@ public class ReportTest extends TestCase {
         assertTrue(result.indexOf("rule2") < result.indexOf("rule1"));
     }
 
-/*
-    public void testRenderXML() {
-        Renderer r = new Renderer("xml");
-        r.addRuleViolation(new RuleViolation(new MockRule(), 5, "foo"));
-        String rpt = r.render();
-        assertTrue(rpt.indexOf("foo") != -1);
-        assertTrue(rpt.indexOf("<pmd>") != -1);
-        assertTrue(rpt.indexOf("<file>") != -1);
+    public void testListener() {
+        Report rpt  = new Report();
+        rpt.addListener(this);
+        semaphore = false;
+        rpt.addRuleViolation(new RuleViolation(new MockRule(), 5, "file"));
+        assertTrue(semaphore);
+
     }
 
-    public void testRenderHTML() {
-        Renderer r = new Renderer("html", "format");
-        r.addRuleViolation(new RuleViolation(new MockRule(), 5, "filename"));
-        String rpt = r.render();
-        assertTrue(rpt.indexOf("format") != -1);
-        assertTrue(rpt.indexOf("<table>") != -1);
-        assertTrue(rpt.indexOf("filename") != -1);
+    public void ruleViolationAdded(RuleViolation ruleViolation) {
+        semaphore = true;
     }
-*/
+
 }

pmd/src/net/sourceforge/pmd/Report.java

@@ -12,9 +12,18 @@ import java.util.*;
 public class Report {
 
     private Set violations = new TreeSet(new RuleViolation.RuleViolationComparator());
+    private List listeners = new ArrayList();
+
+    public void addListener(ReportListener listener) {
+        listeners.add(listener);
+    }
 
     public void addRuleViolation(RuleViolation violation) {
         violations.add(violation);
+        for (Iterator i = listeners.iterator();i.hasNext();) {
+            ReportListener listener = (ReportListener)i.next();
+            listener.ruleViolationAdded(violation);
+        }
     }
 
     public boolean isEmpty() {

pmd/src/net/sourceforge/pmd/ReportListener.java

@@ -0,0 +1,10 @@
+/*
+ * User: tom
+ * Date: Aug 5, 2002
+ * Time: 11:52:20 AM
+ */
+package net.sourceforge.pmd;
+
+public interface ReportListener {
+    public void ruleViolationAdded(RuleViolation ruleViolation);
+}