Reducing onboarding backend maven build time

Reducing onboarding backend maven build time

Change-Id: Iab7af70c0e9f60b8a50bef7937e802df5be89fd0
Issue-ID: SDC-1189
Signed-off-by: GAUTAMS <gautams@amdocs.com>

1 files changed, 54 insertions, 0 deletions

diff --git a/openecomp-be/tools/build-helper/src/main/java/org/openecomp/onboarding/build/test/StaleCodeDetectionTest.java b/openecomp-be/tools/build-helper/src/main/java/org/openecomp/onboarding/build/test/StaleCodeDetectionTest.java
new file mode 100644
index 0000000000..69f77357ae
--- /dev/null
+++ b/openecomp-be/tools/build-helper/src/main/java/org/openecomp/onboarding/build/test/StaleCodeDetectionTest.java
@@ -0,0 +1,54 @@
+/*
+ * Copyright © 2016-2017 European Support Limited
+ *
+ * Licensed 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 a "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.openecomp.onboarding.build.test;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.io.File;
+import java.nio.file.Paths;
+import java.util.Arrays;
+import java.util.Collections;
+
+public class StaleCodeDetectionTest {
+
+    private static final String JAVA_EXT = ".java";
+    private static final String CLASS_EXT = ".class";
+
+    @Test
+    public void checkIfStale() {
+
+        String moduleLocation = System.getProperty("basedir");
+        if (isStale(moduleLocation + File.separator + "target" + File.separator + "test-classes",
+                moduleLocation + File.separator + "src" + File.separator + "test" + File.separator + "java")) {
+            Assert.fail("****** Please remove 'target' directory manually under path " + moduleLocation);
+        }
+    }
+
+    private boolean isStale(String compiledCodeLocation, String javaSourceLocation) {
+        File compiledFiles = new File(compiledCodeLocation);
+        File[] list = compiledFiles.listFiles((dir, file) -> file.endsWith(CLASS_EXT) && file.indexOf('$') == -1);
+        if (list == null || list.length == 0) {
+            return false;
+        }
+        File candidate = Collections.min(Arrays.asList(list),
+                (file1, file2) -> file1.lastModified() >= file2.lastModified() ? 1 : -1);
+        String sourceFilePath = javaSourceLocation + candidate.getAbsolutePath().replace(compiledCodeLocation, "")
+                                                              .replace(CLASS_EXT, JAVA_EXT);
+        return !Paths.get(sourceFilePath).toFile().exists();
+    }
+}