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From pa...@apache.org
Subject [groovy] 02/03: GROOVY-9240: relax signature of RGM.traverse(File, Map, ...)
Date Tue, 12 Nov 2019 04:19:20 GMT
This is an automated email from the ASF dual-hosted git repository.

paulk pushed a commit to branch GROOVY_2_5_X
in repository https://gitbox.apache.org/repos/asf/groovy.git

commit 897ca066607603b871524c1843e20ae1d8672ea8
Author: Eric Milles <eric.milles@thomsonreuters.com>
AuthorDate: Fri Aug 30 13:54:17 2019 -0500

    GROOVY-9240: relax signature of RGM.traverse(File, Map, ...)
---
 .../groovy/runtime/ResourceGroovyMethods.java      | 30 ++++++++++-----
 src/test/groovy/bugs/Groovy9240.groovy             | 43 ++++++++++++++++++++++
 2 files changed, 63 insertions(+), 10 deletions(-)

diff --git a/src/main/java/org/codehaus/groovy/runtime/ResourceGroovyMethods.java b/src/main/java/org/codehaus/groovy/runtime/ResourceGroovyMethods.java
index 647f47d..9f59c91 100644
--- a/src/main/java/org/codehaus/groovy/runtime/ResourceGroovyMethods.java
+++ b/src/main/java/org/codehaus/groovy/runtime/ResourceGroovyMethods.java
@@ -69,8 +69,6 @@ import java.util.List;
 import java.util.Map;
 import java.util.regex.Pattern;
 
-import static org.codehaus.groovy.runtime.DefaultGroovyMethods.get;
-
 /**
  * This class defines new groovy methods for Readers, Writers, InputStreams and
  * OutputStreams which appear on normal JDK classes inside the Groovy environment.
@@ -1310,13 +1308,24 @@ public class ResourceGroovyMethods extends DefaultGroovyMethodsSupport
{
      * @see groovy.io.FileType
      * @since 1.7.1
      */
-    public static void traverse(final File self, final Map<String, Object> options,
@ClosureParams(value = SimpleType.class, options = "java.io.File") final Closure closure)
+    public static void traverse(final File self, final Map<String, ?> options, @ClosureParams(value
= SimpleType.class, options = "java.io.File") final Closure closure)
             throws FileNotFoundException, IllegalArgumentException {
-        Number maxDepthNumber = DefaultGroovyMethods.asType(options.remove("maxDepth"), Number.class);
-        int maxDepth = maxDepthNumber == null ? -1 : maxDepthNumber.intValue();
-        Boolean visitRoot = DefaultGroovyMethods.asType(get(options, "visitRoot", false),
Boolean.class);
-        Boolean preRoot = DefaultGroovyMethods.asType(get(options, "preRoot", false), Boolean.class);
-        Boolean postRoot = DefaultGroovyMethods.asType(get(options, "postRoot", false), Boolean.class);
+        final int maxDepth;
+        final boolean preRoot;
+        final boolean postRoot;
+        final boolean visitRoot;
+
+        {
+            Object maxDepthValue = options.remove("maxDepth");
+            maxDepth = maxDepthValue == null ? -1 : DefaultGroovyMethods.asType(maxDepthValue,
Number.class).intValue();
+            Object preRootValue = options.get("preRoot");
+            preRoot = preRootValue == null ? false : DefaultGroovyMethods.asType(preRootValue,
Boolean.class).booleanValue();
+            Object postRootValue = options.get("postRoot");
+            postRoot = postRootValue == null ? false : DefaultGroovyMethods.asType(postRootValue,
Boolean.class).booleanValue();
+            Object visitRootValue = options.get("visitRoot");
+            visitRoot = visitRootValue == null ? false : DefaultGroovyMethods.asType(visitRootValue,
Boolean.class).booleanValue();
+        }
+
         final Closure pre = (Closure) options.get("preDir");
         final Closure post = (Closure) options.get("postDir");
         final FileType type = (FileType) options.get("type");
@@ -1324,6 +1333,7 @@ public class ResourceGroovyMethods extends DefaultGroovyMethodsSupport
{
         final Object nameFilter = options.get("nameFilter");
         final Object excludeFilter = options.get("excludeFilter");
         final Object excludeNameFilter = options.get("excludeNameFilter");
+
         Object preResult = null;
         if (preRoot && pre != null) {
             preResult = pre.call(self);
@@ -1405,13 +1415,13 @@ public class ResourceGroovyMethods extends DefaultGroovyMethodsSupport
{
      * @see #traverse(java.io.File, java.util.Map, groovy.lang.Closure)
      * @since 1.7.1
      */
-    public static void traverse(final File self, final Map<String, Object> options)
+    public static void traverse(final File self, final Map<String, ?> options)
             throws FileNotFoundException, IllegalArgumentException {
         final Closure visit = (Closure) options.remove("visit");
         traverse(self, options, visit);
     }
 
-    private static FileVisitResult traverse(final File self, final Map<String, Object>
options, final Closure closure, final int maxDepth)
+    private static FileVisitResult traverse(final File self, final Map<String, ?> options,
final Closure closure, final int maxDepth)
             throws FileNotFoundException, IllegalArgumentException {
         checkDir(self);
         final Closure pre = (Closure) options.get("preDir");
diff --git a/src/test/groovy/bugs/Groovy9240.groovy b/src/test/groovy/bugs/Groovy9240.groovy
new file mode 100644
index 0000000..c25f045
--- /dev/null
+++ b/src/test/groovy/bugs/Groovy9240.groovy
@@ -0,0 +1,43 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one
+ *  or more contributor license agreements.  See the NOTICE file
+ *  distributed with this work for additional information
+ *  regarding copyright ownership.  The ASF licenses this file
+ *  to you under the Apache License, Version 2.0 (the
+ *  "License"); you may not use this file except in compliance
+ *  with the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing,
+ *  software distributed under the License is distributed on an
+ *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *  KIND, either express or implied.  See the License for the
+ *  specific language governing permissions and limitations
+ *  under the License.
+ */
+package groovy.bugs
+
+import groovy.transform.CompileStatic
+import org.junit.Test
+
+import static groovy.test.GroovyAssert.assertScript
+
+@CompileStatic
+final class Groovy9240 {
+
+    @Test
+    void testTraverse() {
+        assertScript '''
+            @groovy.transform.CompileStatic
+            void meth(File folder) {
+                // was: [Static type checking] - Cannot call java.io.File#traverse(java.util.Map
<java.lang.String, java.lang.Object>, groovy.lang.Closure) with arguments [java.util.LinkedHashMap
<java.lang.String, java.io.Serializable>, groovy.lang.Closure]
+                folder.traverse([
+                    type: groovy.io.FileType.FILES,
+                    nameFilter: ~/.*\\.(?i)pdf/
+                ]) { println it }
+            }
+            meth(File.createTempDir())
+        '''
+    }
+}


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