Fix Windows Spring Boot Process Application Resource Scanning in 2.0.x

engine/src/main/java/org/finos/fluxnova/bpm/container/impl/deployment/scanning/ClassPathProcessApplicationScanner.java

@@ -108,7 +108,7 @@ protected void scanUrl(URL url, String paResourceRootPath, boolean isPaLocal, St
     if(isPaLocal) {
 
       if (urlPath.startsWith("file:") || urlPath.startsWith("jar:") || urlPath.startsWith("wsjar:") || urlPath.startsWith("zip:")) {
-        urlPath = url.getPath();
+        urlPath = normalizeWindowsPath(url.getPath());
         int withinArchive = urlPath.indexOf('!');
         if (withinArchive != -1) {
           urlPath = urlPath.substring(0, withinArchive);
@@ -120,7 +120,7 @@ protected void scanUrl(URL url, String paResourceRootPath, boolean isPaLocal, St
 
     } else {
       if (urlPath.startsWith("file:") || urlPath.startsWith("jar:") || urlPath.startsWith("wsjar:") || urlPath.startsWith("zip:")) {
-        urlPath = url.getPath();
+        urlPath = normalizeWindowsPath(url.getPath());
         int withinArchive = urlPath.indexOf('!');
         if (withinArchive != -1) {
           urlPath = urlPath.substring(0, withinArchive);
@@ -142,6 +142,22 @@ protected void scanUrl(URL url, String paResourceRootPath, boolean isPaLocal, St
 
   }
 
+  protected String normalizeWindowsPath(String path) {
+    return normalizeWindowsPath(path, File.separatorChar);
+  }
+
+  protected String normalizeWindowsPath(String path, char separatorChar) {
+    if (separatorChar == '\\'
+        && path.length() > 2
+        && path.charAt(0) == '/'
+        && Character.isLetter(path.charAt(1))
+        && path.charAt(2) == ':') {
+      return path.substring(1);
+    }
+
+    return path;
+  }
+
   protected void scanPath(String urlPath, String paResourceRootPath, boolean isPaLocal, String[] additionalResourceSuffixes, Map<String, byte[]> resourceMap) {
     if (urlPath.startsWith("file:")) {
       urlPath = urlPath.substring(5);

engine/src/test/java/org/finos/fluxnova/bpm/container/impl/deployment/scanning/ClassPathProcessApplicationScannerWindowsPathTest.java

@@ -0,0 +1,81 @@
+/*
+ * Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
+ * under one or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information regarding copyright
+ * ownership. Camunda licenses this file to you under the Apache License,
+ * Version 2.0; 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.finos.fluxnova.bpm.container.impl.deployment.scanning;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * Tests Windows-specific path normalization performed by
+ * {@link ClassPathProcessApplicationScanner}.
+ */
+public class ClassPathProcessApplicationScannerWindowsPathTest {
+
+  protected ClassPathProcessApplicationScanner scanner;
+
+  @Before
+  public void setUp() {
+    scanner = new ClassPathProcessApplicationScanner();
+  }
+
+  @Test
+  public void shouldRemoveLeadingSlashFromWindowsDrivePath() {
+    assertEquals(
+        "C:/dev/fluxnova-loan-review/target/classes/META-INF/processes.xml",
+        scanner.normalizeWindowsPath(
+            "/C:/dev/fluxnova-loan-review/target/classes/META-INF/processes.xml",
+            '\\'));
+  }
+
+  @Test
+  public void shouldSupportLowercaseWindowsDriveLetter() {
+    assertEquals(
+        "c:/dev/fluxnova-loan-review",
+        scanner.normalizeWindowsPath(
+            "/c:/dev/fluxnova-loan-review",
+            '\\'));
+  }
+
+  @Test
+  public void shouldNotChangeWindowsPathWithoutLeadingSlash() {
+    assertEquals(
+        "C:/dev/fluxnova-loan-review",
+        scanner.normalizeWindowsPath(
+            "C:/dev/fluxnova-loan-review",
+            '\\'));
+  }
+
+  @Test
+  public void shouldNotChangeNonDriveWindowsPath() {
+    assertEquals(
+        "/dev/fluxnova-loan-review",
+        scanner.normalizeWindowsPath(
+            "/dev/fluxnova-loan-review",
+            '\\'));
+  }
+
+  @Test
+  public void shouldNotChangePathOnNonWindowsPlatform() {
+    assertEquals(
+        "/C:/dev/fluxnova-loan-review",
+        scanner.normalizeWindowsPath(
+            "/C:/dev/fluxnova-loan-review",
+            '/'));
+  }
+}