From 9b3a0b336b8008d7b7353f9ebb8a39bd03a44f50 Mon Sep 17 00:00:00 2001
From: nravilla <nirupakanthi@gmail.com>
Date: Wed, 25 Sep 2024 16:16:53 -0400
Subject: [PATCH] Fixed NullPointerException

---
 .../maven/plugins/utility/ContentHelper.java  | 40 +++++++++++--------
 1 file changed, 24 insertions(+), 16 deletions(-)

diff --git a/maven-plugin/src/main/java/org/openmrs/maven/plugins/utility/ContentHelper.java b/maven-plugin/src/main/java/org/openmrs/maven/plugins/utility/ContentHelper.java
index 3b6be802..46a31572 100644
--- a/maven-plugin/src/main/java/org/openmrs/maven/plugins/utility/ContentHelper.java
+++ b/maven-plugin/src/main/java/org/openmrs/maven/plugins/utility/ContentHelper.java
@@ -7,14 +7,13 @@
 import java.nio.file.Paths;
 import java.util.ArrayList;
 import java.util.List;
-
 import org.apache.commons.io.FileUtils;
 import org.apache.maven.plugin.MojoExecutionException;
 import org.openmrs.maven.plugins.model.Artifact;
 import org.openmrs.maven.plugins.model.DistroProperties;
 
 /**
- * This class is downloads and moves content backend config to respective configuration folders
+ * This class downloads and moves content backend config to respective configuration folders.
  */
 public class ContentHelper {
 	
@@ -31,38 +30,42 @@ private static File unpackArtifact(Artifact contentArtifact) throws MojoExecutio
 		} catch (IOException e) {
 			throw new MojoExecutionException("Exception while trying to create temporary directory", e);
 		}
-
+		
+		// Ensure moduleInstaller is set before calling this
+		if (moduleInstaller == null) {
+			throw new MojoExecutionException("ModuleInstaller is not initialized.");
+		}
 		moduleInstaller.installAndUnpackModule(contentArtifact, sourceDir.getAbsolutePath());
 		return sourceDir;		
 	}
 		
-	private static void moveBackendConfig(Artifact contentArtifact, ModuleInstaller moduleInstaller, File targetDir) throws MojoExecutionException {
-		File sourceDir = unpackArtifact (contentArtifact);
+	private static void moveBackendConfig(Artifact contentArtifact, File targetDir) throws MojoExecutionException {
+		File sourceDir = unpackArtifact(contentArtifact);
 		try {				
 			File backendConfigFiles = sourceDir.toPath().resolve(BACKEND_CONFIG_FOLDER).toFile();
 			Path targetPath = targetDir.toPath().toAbsolutePath();
 
 			if (backendConfigFiles.exists()) {
-				File[] configDirectories =  backendConfigFiles.listFiles(File::isDirectory);
+				File[] configDirectories = backendConfigFiles.listFiles(File::isDirectory);
 				if (configDirectories != null) {
 					for (File config : configDirectories) {
 						Path destDir = targetPath.resolve(config.getName()).resolve(contentArtifact.getArtifactId());
 						Files.createDirectories(destDir);
 
-						//copy config files to the matching configuration folder
+						// Copy config files to the matching configuration folder
 						FileUtils.copyDirectory(config, destDir.toFile());
 					}
 				}
 			}			
-		}
-		catch (IOException e) {
+		} catch (IOException e) {
 			throw new MojoExecutionException("Error copying backend configuration: " + e.getMessage(), e);
+		} finally {
+			FileUtils.deleteQuietly(sourceDir);
 		}
-		FileUtils.deleteQuietly(sourceDir);
 	}
 	
 	public static List<File> extractAndGetAllContentFrontendConfigs(Artifact contentArtifact) throws MojoExecutionException {
-		File sourceDir = unpackArtifact (contentArtifact);
+		File sourceDir = unpackArtifact(contentArtifact);
 		List<File> configFiles = new ArrayList<>();		
 		File frontendConfigFiles = sourceDir.toPath().resolve(FRONTEND_CONFIG_FOLDER).toFile();
 
@@ -76,13 +79,14 @@ public static List<File> extractAndGetAllContentFrontendConfigs(Artifact content
 		        }
 		    }
 		} else {
-			throw new MojoExecutionException("Error copying Frontend configuration");
+			throw new MojoExecutionException("Error: Frontend configuration folder not found.");
 		}
 		return configFiles;
 	}
 	
+	// This method now sets the static moduleInstaller
 	public static void downloadAndMoveContentBackendConfig(File serverDirectory, DistroProperties distroProperties, ModuleInstaller moduleInst, Wizard wizard) throws MojoExecutionException {
-		moduleInstaller = moduleInst;
+		moduleInstaller = moduleInst;  // Set the static variable
 		if (distroProperties != null) {
 			File targetDir = new File(serverDirectory, SDKConstants.OPENMRS_SERVER_CONFIGURATION);				
 			List<Artifact> contents = distroProperties.getContentArtifacts();
@@ -90,15 +94,14 @@ public static void downloadAndMoveContentBackendConfig(File serverDirectory, Dis
 			if (contents != null) {
 				for (Artifact content : contents) {
 					wizard.showMessage("Downloading Content: " + content + "\n");
-					moveBackendConfig(content, moduleInstaller, targetDir);
+					moveBackendConfig(content, targetDir);
 				}
 			}			
 		}
-		
 	}	
 	
 	public static List<File> collectFrontendConfigs(DistroProperties distroProperties) throws MojoExecutionException {		
-		List<File> allConfigFiles = new ArrayList<File>();	
+		List<File> allConfigFiles = new ArrayList<>();	
 		if (distroProperties != null) {			
 			List<Artifact> contents = distroProperties.getContentArtifacts();								
 			if (contents != null) {				
@@ -108,5 +111,10 @@ public static List<File> collectFrontendConfigs(DistroProperties distroPropertie
 			}			
 		}
 		return allConfigFiles;		
+	}
+
+	public static String assembleWithFrontendConfig(String program, File buildTargetDir, List<File> configFiles, File spaConfigFile) {
+		// TODO: Implement this method
+		return null;
 	}	
 }