Fix application managment test

components/application-mgt/io.entgra.application.mgt.common/src/main/java/io/entgra/application/mgt/common/Base64File.java

@@ -23,6 +23,15 @@ public class Base64File {
     private String name;
     private String base64String;
 
+    public Base64File() {
+
+    }
+
+    public Base64File(String name, String base64String) {
+        this.name = name;
+        this.base64String = base64String;
+    }
+
     public String getName() {
         return name;
     }

components/application-mgt/io.entgra.application.mgt.core/src/main/java/io/entgra/application/mgt/core/util/APIUtil.java

@@ -91,19 +91,23 @@ public class APIUtil {
     }
 
     public static ApplicationManager getApplicationManager() {
-        if (applicationManager == null) {
-            synchronized (APIUtil.class) {
-                if (applicationManager == null) {
-                    PrivilegedCarbonContext ctx = PrivilegedCarbonContext.getThreadLocalCarbonContext();
-                    applicationManager =
-                            (ApplicationManager) ctx.getOSGiService(ApplicationManager.class, null);
+        try {
+            if (applicationManager == null) {
+                synchronized (APIUtil.class) {
                     if (applicationManager == null) {
-                        String msg = "ApplicationDTO Manager service has not initialized.";
-                        log.error(msg);
-                        throw new IllegalStateException(msg);
+                        applicationManager = ApplicationManagementUtil.getApplicationManagerInstance();
+                        if (applicationManager == null) {
+                            String msg = "ApplicationDTO Manager service has not initialized.";
+                            log.error(msg);
+                            throw new IllegalStateException(msg);
+                        }
                     }
                 }
             }
+        } catch (Exception e) {
+            String msg = "Error occurred while getting the application manager";
+            log.error(msg);
+            throw new IllegalStateException(msg);
         }
         return applicationManager;
     }

components/application-mgt/io.entgra.application.mgt.core/src/test/java/io/entgra/application/mgt/core/management/ApplicationManagementTest.java

@@ -42,6 +42,7 @@ import io.entgra.application.mgt.core.impl.ApplicationManagerImpl;
 import io.entgra.application.mgt.core.internal.DataHolder;
 import io.entgra.application.mgt.core.util.ConnectionManagerUtil;
 import org.wso2.carbon.device.mgt.common.exceptions.DeviceManagementException;
+import org.wso2.carbon.device.mgt.core.common.util.FileUtil;
 import org.wso2.carbon.device.mgt.core.dto.DeviceType;
 import org.wso2.carbon.device.mgt.core.dto.DeviceTypeVersion;
 import org.wso2.carbon.device.mgt.core.service.DeviceManagementProviderServiceImpl;
@@ -50,6 +51,7 @@ import java.io.File;
 import java.io.FileInputStream;
 import java.io.InputStream;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -100,28 +102,33 @@ public class ApplicationManagementTest extends BaseTestCase {
         releaseWrapper.setReleaseType("free");
         releaseWrapper.setPrice(5.7);
         releaseWrapper.setSupportedOsVersions("4.0-7.0");
-        entAppReleaseWrappers.add(releaseWrapper);
 
-        applicationWrapper.setEntAppReleaseWrappers(entAppReleaseWrappers);
 
-        ApplicationArtifact applicationArtifact = new ApplicationArtifact();
-        applicationArtifact.setBannerName("My First Banner");
         File banner = new File("src/test/resources/samples/app1/banner1.jpg");
-        InputStream bannerStream = new FileInputStream(banner);
-        applicationArtifact.setBannerStream(bannerStream);
-        applicationArtifact.setIconName("My First Icon");
-        applicationArtifact.setIconStream(new FileInputStream(new File("src/test/resources/samples/app1/icon.png")));
-        applicationArtifact.setInstallerName("Test Android App");
-        applicationArtifact.setInstallerStream(new FileInputStream(new File("src/test/resources/samples/app1/sample.apk")));
-
-        Map<String, InputStream> screenshots = new HashMap<>();
-        screenshots.put("shot1", new FileInputStream(new File("src/test/resources/samples/app1/shot1.png")));
-        screenshots.put("shot2", new FileInputStream(new File("src/test/resources/samples/app1/shot2.png")));
-        screenshots.put("shot3", new FileInputStream(new File("src/test/resources/samples/app1/shot3.png")));
-
-        applicationArtifact.setScreenshots(screenshots);
+        File icon =  new File("src/test/resources/samples/app1/icon.png");
+        File ss1 = new File("src/test/resources/samples/app1/shot1.png");
+        File ss2 = new File("src/test/resources/samples/app1/shot2.png");
+        File ss3 = new File("src/test/resources/samples/app1/shot3.png");
+
+        Base64File bannerBase64 = new Base64File("banner", FileUtil.fileToBase64String(banner));
+        Base64File iconBase64 = new Base64File("icon", FileUtil.fileToBase64String(icon));
+        Base64File ss1Base64 = new Base64File("ss1", FileUtil.fileToBase64String(ss1));
+        Base64File ss2Base64 = new Base64File("ss2", FileUtil.fileToBase64String(ss2));
+        Base64File ss3Base64 = new Base64File("ss3", FileUtil.fileToBase64String(ss3));
+
+        File apk = new File("src/test/resources/samples/app1/sample.apk");
+        Base64File apkBase64 = new Base64File("apk", FileUtil.fileToBase64String(apk));
+
+
+        releaseWrapper.setBanner(bannerBase64);
+        releaseWrapper.setIcon(iconBase64);
+        releaseWrapper.setBinaryFile(apkBase64);
+        releaseWrapper.setScreenshots(Arrays.asList(ss1Base64, ss2Base64, ss3Base64));
+
+        entAppReleaseWrappers.add(releaseWrapper);
+        applicationWrapper.setEntAppReleaseWrappers(entAppReleaseWrappers);
+
         ApplicationManager manager = new ApplicationManagerImpl();
-        log.error(manager);
         manager.createApplication(applicationWrapper, false);
     }
 

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/common/util/FileUtil.java

@@ -18,7 +18,10 @@
 
 package org.wso2.carbon.device.mgt.core.common.util;
 
+import org.apache.commons.io.FileUtils;
 import java.io.ByteArrayInputStream;
+import java.io.File;
+import java.io.IOException;
 import java.io.InputStream;
 import java.util.Base64;
 
@@ -50,6 +53,17 @@ public class FileUtil {
         return new ByteArrayInputStream(base64Bytes);
     }
 
+    /**
+     * Useful to convert input stream to base64 string
+     *
+     * @param file stream to be converted
+     * @return base64 string of the provided input stream
+     */
+    public static String fileToBase64String(File file) throws IOException {
+        byte[] fileContent = FileUtils.readFileToByteArray(file);
+        return Base64.getEncoder().encodeToString(fileContent);
+    }
+
     /**
      * This generates file name with a suffix depending on the duplicate name count, useful when saving
      * files with the same name
@@ -102,6 +116,10 @@ public class FileUtil {
      * @return file name without file extension
      */
     private static String extractFileNameWithoutExtension(String fileName) {
-        return fileName.substring(0, fileName.lastIndexOf('.'));
+        int lastIndexOfDot = fileName.lastIndexOf('.');
+        if (lastIndexOfDot != -1) {
+            return fileName.substring(0, fileName.lastIndexOf('.'));
+        }
+        return fileName;
     }
 }