[groovy] branch GROOVY_3_0_X updated: GROOVY-9480: New v9 ClassFinder throws NoSuchFileException/UnsupportedOperationException and writes it to stderr (#1205)

[su...@apache.org]

This is an automated email from the ASF dual-hosted git repository.

sunlan pushed a commit to branch GROOVY_3_0_X
in repository https://gitbox.apache.org/repos/asf/groovy.git


The following commit(s) were added to refs/heads/GROOVY_3_0_X by this push:
     new f09f1aa  GROOVY-9480: New v9 ClassFinder throws NoSuchFileException/UnsupportedOperationException and writes it to stderr (#1205)
f09f1aa is described below

commit f09f1aa7e21a40f64e868362ad352b34eba6f757
Author: Daniel.Sun <su...@apache.org>
AuthorDate: Thu Mar 26 12:50:18 2020 +0800

    GROOVY-9480: New v9 ClassFinder throws NoSuchFileException/UnsupportedOperationException and writes it to stderr (#1205)
    
    (cherry picked from commit 1a4596960281932ae79d41288aac6ba297cf36c6)
---
 .../vmplugin/v9/ClassFindFailedException.java      | 29 ++++++++++++++++++++++
 .../codehaus/groovy/vmplugin/v9/ClassFinder.java   |  5 +++-
 .../groovy/vmplugin/v9/ClassFinderTest.groovy      |  9 +++++++
 3 files changed, 42 insertions(+), 1 deletion(-)

diff --git a/src/main/java/org/codehaus/groovy/vmplugin/v9/ClassFindFailedException.java b/src/main/java/org/codehaus/groovy/vmplugin/v9/ClassFindFailedException.java
new file mode 100644
index 0000000..06067c7
--- /dev/null
+++ b/src/main/java/org/codehaus/groovy/vmplugin/v9/ClassFindFailedException.java
@@ -0,0 +1,29 @@
+/*
+ *  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 org.codehaus.groovy.vmplugin.v9;
+
+/**
+ *  Represents error occurred during finding classes
+ *  @since 3.0.3
+ */
+public class ClassFindFailedException extends RuntimeException {
+    public ClassFindFailedException(String msg, Throwable t) {
+        super(msg, t);
+    }
+}
diff --git a/src/main/java/org/codehaus/groovy/vmplugin/v9/ClassFinder.java b/src/main/java/org/codehaus/groovy/vmplugin/v9/ClassFinder.java
index 4bfe659..12d7197 100644
--- a/src/main/java/org/codehaus/groovy/vmplugin/v9/ClassFinder.java
+++ b/src/main/java/org/codehaus/groovy/vmplugin/v9/ClassFinder.java
@@ -147,7 +147,10 @@ public class ClassFinder {
             });
         } catch (UnsupportedOperationException ignored) {
         } catch (Exception e) {
-            e.printStackTrace();
+            throw new ClassFindFailedException(
+                    String.format("Failed to find classes via uri: %s, prefix: %s, packageName: %s, recursive: %s",
+                            uri, prefix, packageName, recursive
+                    ), e);
         }
 
         return result;
diff --git a/src/test/org/codehaus/groovy/vmplugin/v9/ClassFinderTest.groovy b/src/test/org/codehaus/groovy/vmplugin/v9/ClassFinderTest.groovy
index 953bd1a..824d5ff 100644
--- a/src/test/org/codehaus/groovy/vmplugin/v9/ClassFinderTest.groovy
+++ b/src/test/org/codehaus/groovy/vmplugin/v9/ClassFinderTest.groovy
@@ -102,4 +102,13 @@ class ClassFinderTest {
 
         assert (ResolveVisitor.DEFAULT_IMPORTS as List).sort() == r1.values().stream().flatMap(e -> e.stream()).collect(Collectors.toSet()).sort()
     }
+
+    @Test
+    void testGroovy9480() {
+        try {
+            ClassFinder.find(URI.create("file:/"), "NOT_EXISTS", "org/", false)
+        } catch (ClassFindFailedException e) {
+            assert e.message.contains('Failed to find classes')
+        }
+    }
 }