+ directory creation check

plugins/org.eclipse.epp.installer.core/src/org/eclipse/epp/installer/internal/core/Util.java

diff --git a/plugins/org.eclipse.epp.installer.core/src/org/eclipse/epp/installer/internal/core/Util.java b/plugins/org.eclipse.epp.installer.core/src/org/eclipse/epp/installer/internal/core/Util.java
index c0ecdd6..18e4850 100644
--- a/plugins/org.eclipse.epp.installer.core/src/org/eclipse/epp/installer/internal/core/Util.java
+++ b/plugins/org.eclipse.epp.installer.core/src/org/eclipse/epp/installer/internal/core/Util.java
@@ -16,7 +16,6 @@
 import org.eclipse.epp.installer.core.IErrorConstants;
 import org.eclipse.epp.installer.core.model.Context;
 
-
 /**
  */
 public class Util {
@@ -25,8 +24,11 @@
 
 	/**
 	 * Method copyStreams.
-	 * @param is InputStream
-	 * @param os OutputStream
+	 * 
+	 * @param is
+	 *            InputStream
+	 * @param os
+	 *            OutputStream
 	 * @throws IOException
 	 */
 	public static void copyStreams(InputStream is, OutputStream os)
@@ -41,29 +43,37 @@
 
 	/**
 	 * Method copyFiles
-	 * @param in File
-	 * @param out File
+	 * 
+	 * @param in
+	 *            File
+	 * @param out
+	 *            File
 	 * @throws IOException
 	 */
 	public static void copyFiles(File in, File out) throws IOException {
-		FileInputStream fis  = new FileInputStream(in);
+		FileInputStream fis = new FileInputStream(in);
 		FileOutputStream fos = new FileOutputStream(out);
 		copyStreams(fis, fos);
 		fis.close();
 		fos.close();
 	}
-	
+
 	/**
 	 * Method createFileFromStream.
-	 * @param installer Context
-	 * @param file File
-	 * @param content InputStream
+	 * 
+	 * @param installer
+	 *            Context
+	 * @param file
+	 *            File
+	 * @param content
+	 *            InputStream
 	 * @return IStatus
 	 * @throws IOException
 	 */
 	public static IStatus createFileFromStream(Context installer, File file,
-			InputStream content, long lastModified ) throws IOException {
-		if (file.exists() && !installer.getOptions().isNoOverwriteWarningDuringInstall()
+			InputStream content, long lastModified) throws IOException {
+		if (file.exists()
+				&& !installer.getOptions().isNoOverwriteWarningDuringInstall()
 				&& !installer.confirm(IActionConstants.OVERWRITE_FILE,
 						"Overwrite file {0}?", new Object[] { file })) {
 			String message = MessageFormat.format("Cannot create file {0}.",
@@ -71,35 +81,43 @@
 			return new Status(IStatus.INFO, Context.PLUGIN_ID,
 					IErrorConstants.ERROR_USER_SKIPPED, message, null);
 		}
-		
+
 		IPath path = (new Path(file.getAbsolutePath())).removeLastSegments(1);
-		for (int i=0; i<=path.segmentCount(); i++) {
+		for (int i = 0; i <= path.segmentCount(); i++) {
 			IPath subPath = path.uptoSegment(i);
 			File dir = new File(subPath.toOSString());
 			if (!dir.exists()) {
-				dir.mkdir();
-				installer.getInstallLog().addEntry(new InstallLogEntry(
-						InstallLog.DIRECTORY_CREATED_ENTRY, dir.getAbsolutePath()));
+				boolean created = dir.mkdir();
+				if (created) {
+					installer.getInstallLog().addEntry(
+							new InstallLogEntry(
+									InstallLog.DIRECTORY_CREATED_ENTRY, dir
+											.getAbsolutePath()));
+				} else {
+					return new Status(IStatus.ERROR, Context.PLUGIN_ID,
+							"Failed to create directory "
+									+ dir.getAbsolutePath());
+				}
 			}
 		}
-		
-		OutputStream os = new FileOutputStream(file);;
+
+		OutputStream os = new FileOutputStream(file);
+		;
 		try {
-				
+
 			copyStreams(content, os);
 
-			installer.getInstallLog().addEntry(new InstallLogEntry(
-					InstallLog.FILE_CREATED_ENTRY, file.getAbsolutePath()));
-	
-		}
-		finally
-		{
+			installer.getInstallLog().addEntry(
+					new InstallLogEntry(InstallLog.FILE_CREATED_ENTRY, file
+							.getAbsolutePath()));
+
+		} finally {
 			os.close();
 		}
-		
-//		file.setLastModified(lastModified);
-//		Platform.getPlatform().setFileCreationTime(file.getAbsolutePath(),lastModified);
-		
+
+		// file.setLastModified(lastModified);
+		// Platform.getPlatform().setFileCreationTime(file.getAbsolutePath(),lastModified);
+
 		return Status.OK_STATUS;
 	}
 }