[apex] ExcessivePublicCount: consider properties

Fixes pmd#4596

docs/pages/release_notes.md

@@ -43,6 +43,8 @@ The remaining section describes the complete release notes for 7.0.0.
 
 * miscellaneous
   * [#4582](https://github.com/pmd/pmd/issues/4582): \[dist] Download link broken
+* apex-design
+  * [#4596](https://github.com/pmd/pmd/issues/4596): \[apex] ExcessivePublicCount ignores properties
 * java
   * [#4401](https://github.com/pmd/pmd/issues/4401): \[java] PMD 7 fails to build under Java 19
 

pmd-apex/src/main/java/net/sourceforge/pmd/lang/apex/rule/design/ExcessivePublicCountRule.java

@@ -6,6 +6,7 @@
 
 import net.sourceforge.pmd.lang.apex.ast.ASTFieldDeclarationStatements;
 import net.sourceforge.pmd.lang.apex.ast.ASTMethod;
+import net.sourceforge.pmd.lang.apex.ast.ASTProperty;
 import net.sourceforge.pmd.lang.apex.ast.ASTUserClass;
 import net.sourceforge.pmd.lang.apex.rule.internal.AbstractCounterCheckRule;
 
@@ -36,20 +37,21 @@ protected int defaultReportLevel() {
 
     @Override
     protected int getMetric(ASTUserClass node) {
-        // node streams would be useful here
         int publicMethods =
-            (int) node.findChildrenOfType(ASTMethod.class)
-                      .stream()
-                      .filter(it -> it.getModifiers().isPublic() && !it.isSynthetic())
-                      .count();
-
+                node.children(ASTMethod.class)
+                        .filter(it -> it.getModifiers().isPublic() && !it.isSynthetic())
+                        .count();
         int publicFields =
-            (int) node.findChildrenOfType(ASTFieldDeclarationStatements.class)
-                      .stream()
-                      .filter(it -> it.getModifiers().isPublic() && !it.getModifiers().isStatic())
-                      .count();
+                node.children(ASTFieldDeclarationStatements.class)
+                        .filter(it -> it.getModifiers().isPublic() && !it.getModifiers().isStatic())
+                        .count();
+
+        int publicProperties =
+                node.children(ASTProperty.class)
+                        .filter(it -> it.getModifiers().isPublic() && !it.getModifiers().isStatic())
+                        .count();
 
-        return publicFields + publicMethods;
+        return publicFields + publicMethods + publicProperties;
     }
 
     @Override

pmd-apex/src/main/resources/category/apex/design.xml

@@ -281,12 +281,12 @@ public void addPerson(Date birthdate, BodyMeasurements measurements, int ssn) {
     <rule name="ExcessivePublicCount"
           language="apex"
           since="5.5.0"
-          message="The class {0} has {1} public methods and attributes (limit: {2})"
+          message="The class {0} has {1} public methods, attributes, and properties (limit: {2})"
           class="net.sourceforge.pmd.lang.apex.rule.design.ExcessivePublicCountRule"
           externalInfoUrl="${pmd.website.baseurl}/pmd_rules_apex_design.html#excessivepubliccount">
         <description>
-Classes with large numbers of public methods and attributes require disproportionate testing efforts
-since combinational side effects grow rapidly and increase risk. Refactoring these classes into
+Classes with large numbers of public methods, attributes, and properties require disproportionate testing efforts
+since combinatorial side effects grow rapidly and increase risk. Refactoring these classes into
 smaller ones not only increases testability and reliability but also allows new variations to be
 developed easily.
         </description>
@@ -303,6 +303,9 @@ public class Foo {
     public void doMoreWork() {}
     public void doWorkAgain() {}
     // [... more more public methods ...]
+
+    public String property1 { get; set; }
+    // [... more more public properties ...]
 }
 ]]>
         </example>

pmd-apex/src/test/resources/net/sourceforge/pmd/lang/apex/rule/design/xml/ExcessivePublicCount.xml

@@ -120,8 +120,8 @@ public class SomeClass {
         <expected-problems>2</expected-problems>
         <expected-linenumbers>1,5</expected-linenumbers>
         <expected-messages>
-            <message>The class OuterClass has 2 public methods and attributes (limit: 1)</message>
-            <message>The class InnerClass has 4 public methods and attributes (limit: 1)</message>
+            <message>The class OuterClass has 2 public methods, attributes, and properties (limit: 1)</message>
+            <message>The class InnerClass has 4 public methods, attributes, and properties (limit: 1)</message>
         </expected-messages>
         <code><![CDATA[
 public class OuterClass {
@@ -136,6 +136,32 @@ public class OuterClass {
         public void method2() { }
     }
 }
+]]></code>
+    </test-code>
+
+    <test-code>
+        <description>[apex] ExcessivePublicCount ignores properties #4596</description>
+        <rule-property name="minimum">4</rule-property>
+        <expected-problems>1</expected-problems>
+        <expected-linenumbers>1</expected-linenumbers>
+        <expected-messages>
+            <message>The class Example has 4 public methods, attributes, and properties (limit: 4)</message>
+        </expected-messages>
+        <code><![CDATA[
+public class Example {
+    public void publicMethod1() { }             // count: 1
+    public Integer publicField;                 // count: 2
+    public String publicProperty1 {get; set; }  // count: 3
+    public String publicProperty2 {             // count: 4
+        get {
+            return publicProperty2;
+        }
+        set {
+            publicProperty2 = value;
+        }
+    }
+    private String privateProperty1 {get; set;}
+}
 ]]></code>
     </test-code>
 </test-data>