[apex] Fix method name for constructors

pmd-apex/src/main/java/net/sourceforge/pmd/lang/apex/ast/ASTMethod.java

@@ -24,7 +24,7 @@ public class ASTMethod extends AbstractApexNode<Method> implements ApexQualifiab
 
     @Override
     public String getImage() {
-        return node.getMethodInfo().getCanonicalName();
+        return node.getMethodInfo().getName();
     }
 
     @Override

pmd-apex/src/test/java/net/sourceforge/pmd/lang/apex/ast/ASTMethodTest.java

@@ -0,0 +1,26 @@
+/**
+ * BSD-style license; for more info see http://pmd.sourceforge.net/license.html
+ */
+
+package net.sourceforge.pmd.lang.apex.ast;
+
+import static net.sourceforge.pmd.lang.apex.ast.ApexParserTestHelpers.parse;
+
+import java.util.List;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import apex.jorje.semantic.ast.compilation.Compilation;
+
+public class ASTMethodTest {
+
+    @Test
+    public void testConstructorName() {
+        ApexNode<Compilation> node = parse("public class Foo { public Foo() {} public void bar() {} }");
+        Assert.assertSame(ASTUserClass.class, node.getClass());
+        List<ASTMethod> methods = node.findChildrenOfType(ASTMethod.class);
+        Assert.assertEquals("Foo", methods.get(0).getImage()); // constructor
+        Assert.assertEquals("bar", methods.get(1).getImage()); // normal method
+    }
+}