1 files changed, 65 insertions, 1 deletions
diff --git a/src/main/java/at/gv/egiz/pdfas/web/helper/TempDirHelper.java b/src/main/java/at/gv/egiz/pdfas/web/helper/TempDirHelper.java
index e3f10ed..e7ce3ac 100644
--- a/src/main/java/at/gv/egiz/pdfas/web/helper/TempDirHelper.java
+++ b/src/main/java/at/gv/egiz/pdfas/web/helper/TempDirHelper.java
@@ -48,6 +48,69 @@ public class TempDirHelper
 
   protected static long runningIndex = 0;
 
+  /**
+   * Assembles the File of the temporary directory without checking if it really
+   * exists.
+   */
+  public static File assembleTemporaryDirectoryFile()
+  {
+    File temp_dir = new File(SettingsReader.TMP_PATH);
+    return temp_dir;
+  }
+
+  /**
+   * Returns the directory where temporary files should be stored.
+   * 
+   * <p>
+   * If the directory doesn't exist, it is created.
+   * </p>
+   * 
+   * @return Returns the directory where temporary files should be stored.
+   */
+  public static File getTemporaryDirectory()
+  {
+    File temp_dir = assembleTemporaryDirectoryFile();
+    if (!temp_dir.exists())
+    {
+      temp_dir.mkdirs();
+    }
+    return temp_dir;
+  }
+
+  /**
+   * Deletes all files in the temporary directory, if it exists.
+   * 
+   * <p>
+   * This should be used to clear temporary files when the application shuts
+   * down.
+   * </p>
+   */
+  public static void clearTemporaryDirectory()
+  {
+    File temp_dir = assembleTemporaryDirectoryFile();
+    log.debug("Clearing temporary directory: " + temp_dir);
+
+    if (!temp_dir.exists())
+    {
+      return;
+    }
+
+    File[] files = temp_dir.listFiles();
+    for (int i = 0; i < files.length; i++)
+    {
+       // added by tknall: do not try to remove svn-metadata
+       if (files[i].getName().endsWith(".svn")) {
+          continue;
+       }
+       log.debug("  Clearing temporary file: " + files[i]);
+      boolean delete_success = files[i].delete();
+      if (!delete_success)
+      {
+         log.error("Couldn't delete the temporary file: " + files[i]);
+      }
+    }
+  }
+  
   public static void storeTextSignatureHoldersIfApplicable(List shs, String fileNameSuffix) throws IOException
   {
     Iterator it = shs.iterator();
@@ -166,7 +229,8 @@ public class TempDirHelper
   
   protected static File getFileInTempDir (String fileName)
   {
-    File tempDir = new File(new File(SettingsReader.RESOURCES_PATH), "pdfastmp");
+//     File tempDir = new File(new File(SettingsReader.RESOURCES_PATH), "pdfastmp");
+    File tempDir = assembleTemporaryDirectoryFile();
 
     File tmpFile = new File(tempDir, fileName);