SVN functionality support.

src/main/java/de/hftstuttgart/dtabackend/utils/RepoUtil.java

@@ -13,9 +13,6 @@ import org.tmatesoft.svn.core.SVNException;
 import org.tmatesoft.svn.core.SVNURL;
 import org.tmatesoft.svn.core.auth.BasicAuthenticationManager;
 import org.tmatesoft.svn.core.auth.ISVNAuthenticationManager;
-import org.tmatesoft.svn.core.io.SVNRepository;
-import org.tmatesoft.svn.core.io.SVNRepositoryFactory;
-import org.tmatesoft.svn.core.wc.SVNUpdateClient;
 import org.tmatesoft.svn.core.wc.SVNWCUtil;
 import org.tmatesoft.svn.core.wc2.SvnCheckout;
 import org.tmatesoft.svn.core.wc2.SvnOperationFactory;
@@ -23,7 +20,6 @@ import org.tmatesoft.svn.core.wc2.SvnTarget;
 
 import java.io.File;
 import java.io.IOException;
-import java.net.MalformedURLException;
 import java.net.URL;
 import java.util.regex.Matcher;
 
@@ -35,85 +31,102 @@ public class RepoUtil {
     public RepoUtil() {}
 
     public void cloneRepository(Matcher config, String targetPath, String subDir) {
-        LOG.debug(String.format("cloning repository: %s", config.group(1)));
+        LOG.info(String.format("Cloning repository: %s", config.group(1)));
 
         File targetDirectory = new File(targetPath);
         if (targetDirectory.exists()) {
-            LOG.debug("clone target directory existing yet, deleting now");
+            LOG.info("Target directory exists. Deleting...");
             FileSystemUtils.deleteRecursively(targetDirectory);
         }
 
         File checkoutDirectory = targetDirectory;
-        //if an optional directory parameter was given
-        if(subDir!="")
-        {
-        	//create companion checkout dir "targetPath"+"_checkout"
-            checkoutDirectory = new File(targetPath+"_checkout");
+        // If an optional subdirectory parameter is provided
+        if (!subDir.isEmpty()) {
+            checkoutDirectory = new File(targetPath + "_checkout");
             if (checkoutDirectory.exists()) {
-            	LOG.debug("clone checkout directory existing yet, deleting now");
-            	FileSystemUtils.deleteRecursively(checkoutDirectory);
+                LOG.info("Checkout directory exists. Deleting...");
+                FileSystemUtils.deleteRecursively(checkoutDirectory);
             }
         }
-        
+
         try {
-        	LOG.debug("preparing clone");
-
-        	if (config.group(1).endsWith(".git")) {
-	            CloneCommand cloneCommand = Git.cloneRepository()
-	                .setDirectory(checkoutDirectory)
-	                .setURI(config.group(1));
-	
-	            if (!config.group(2).equals("none") && !config.group(3).equals("none")) {
-	                LOG.debug("setting credentials");
-	                cloneCommand.setCredentialsProvider(new UsernamePasswordCredentialsProvider(config.group(2), config.group(3)));
-	            }
-	
-	            LOG.debug("cloning...");
-	            cloneCommand.call().close();
-        	}
-        	else {
-        		URL sourceUrl=new URL(config.group(1));
+            LOG.info("Preparing to clone...");
+
+            if (config.group(1).endsWith(".git")) {
+                // Git cloning
+                CloneCommand cloneCommand = Git.cloneRepository()
+                        .setDirectory(checkoutDirectory)
+                        .setURI(config.group(1));
+
+                if (!config.group(2).equals("none") && !config.group(3).equals("none")) {
+                    LOG.info("Setting Git credentials...");
+                    cloneCommand.setCredentialsProvider(new UsernamePasswordCredentialsProvider(config.group(2), config.group(3)));
+                }
+
+                LOG.info("Cloning Git repository...");
+                cloneCommand.call().close();
+
+            } else {
+                // SVN Checkout
+                URL sourceUrl = new URL(config.group(1));
                 SVNURL url = SVNURL.create(sourceUrl.getProtocol(), null, sourceUrl.getHost(), sourceUrl.getPort(), sourceUrl.getPath(), false);
                 SvnOperationFactory operationFactory = new SvnOperationFactory();
                 SvnCheckout checkout = operationFactory.createCheckout();
-                checkout.setSingleTarget(SvnTarget.fromFile(new File(targetPath)));
+
+                String directoryString = checkoutDirectory.toString();
+                File directory = new File(directoryString);
+                if (!directory.exists()) {
+                    LOG.info("Target directory does not exist. Creating: " + directoryString);
+                    if (!directory.mkdirs()) {
+                        throw new IOException("Failed to create target directory: " + directoryString);
+                    }
+                }
+
+                checkout.setSingleTarget(SvnTarget.fromFile(directory));
                 checkout.setSource(SvnTarget.fromURL(url));
-                
-                String protocol = url.getProtocol();
+                checkout.setDepth(SVNDepth.INFINITY);
 
+                String protocol = url.getProtocol();
                 if (!config.group(2).equals("none") && !config.group(3).equals("none")) {
-                	if (protocol.equals("https")) {
-                		LOG.debug("Setting SVN credentials for HTTPS checkout with username/password");
-                		operationFactory.setAuthenticationManager(new BasicAuthenticationManager(config.group(2), config.group(3)));
-                	}
-                	else if (protocol.equals("svn+ssh")) {
-                		LOG.debug("Setting credentials for SVN+SSH Authentication with username/password");
-                		//ISVNAuthenticationManager authManager = new BasicAuthenticationManager(new SVNAuthentication[] { new SVNSSHAuthentication(username, password, -1, false)});//SVNWCUtil.createDefaultAuthenticationManager(username, password); 
-                		ISVNAuthenticationManager authManager = SVNWCUtil.createDefaultAuthenticationManager(config.group(2), config.group(3).toCharArray());
-                		operationFactory.setAuthenticationManager(authManager);
-                	}
+                    if (protocol.equalsIgnoreCase("https")) {
+                        LOG.info("Setting SVN credentials for HTTPS...");
+                        operationFactory.setAuthenticationManager(BasicAuthenticationManager.newInstance(config.group(2), config.group(3).toCharArray()));
+                    } else if (protocol.equalsIgnoreCase("svn+ssh")) {
+                        LOG.info("Setting SVN credentials for SVN+SSH...");
+                        ISVNAuthenticationManager authManager = SVNWCUtil.createDefaultAuthenticationManager(config.group(2), config.group(3).toCharArray());
+                        operationFactory.setAuthenticationManager(authManager);
+                    }
                 }
 
-                checkout.run();
-                LOG.debug("SVN checkout completed successfully.");
-        	}
-        		
-            //if an optional directory parameter was given
-            if(subDir!="")
-            {
-            	//copy appropriate path from checkout directory to target directory
-            	FileSystemUtils.copyRecursively(new File(checkoutDirectory+subDir), new File(targetPath));
+                try {
+                    LOG.info("Performing SVN checkout...");
+                    checkout.run();
+                    LOG.info("SVN checkout completed successfully.");
+                } catch (Exception e) {
+                    LOG.error("Error during SVN checkout: " + e.getMessage(), e);
+                    throw e;
+                }
             }
-            LOG.debug(String.format("cloned from %s via %s to %s", config.group(1), checkoutDirectory+subDir, targetDirectory));            
-        }
-        catch (IOException e) {
-        	LOG.error(String.format("Error while cloning from %s: could not copy to unit test dir", config.group(1)), e);
-        }
-        catch (GitAPIException e) {
-            LOG.error(String.format("Error while cloning from %s: could not read from Git", config.group(1)), e);
-        }
-        catch (SVNException e) {
-        	LOG.error(String.format("Error while cloning from %s: could not read from Svn", config.group(1)), e);
+
+            // If an optional subdirectory parameter is provided
+            if (!subDir.isEmpty()) {
+                File subDirPath = new File(checkoutDirectory, subDir);
+                if (!subDirPath.exists() || !subDirPath.isDirectory()) {
+                    LOG.error("Specified subdirectory does not exist in the repository: " + subDirPath.getPath());
+                    throw new IllegalArgumentException("Invalid subdirectory: " + subDirPath.getPath());
+                }
+                LOG.info("Copying subdirectory to target...");
+                FileSystemUtils.copyRecursively(subDirPath, new File(targetPath));
+            }
+
+            LOG.info(String.format("Cloned from %s via %s to %s", config.group(1), checkoutDirectory + subDir, targetDirectory));
+
+        } catch (IOException e) {
+            LOG.error(String.format("Error while cloning from %s: could not copy to target directory", config.group(1)), e);
+        } catch (GitAPIException e) {
+            LOG.error(String.format("Error while cloning Git repository %s: %s", config.group(1), e.getMessage()), e);
+        } catch (SVNException e) {
+            LOG.error(String.format("Error while cloning SVN repository %s: %s", config.group(1), e.getMessage()), e);
         }
     }
 }