Merge branch 'feature/JAL-3187linkedFeatures' into feature/JAL-3251biotypedMappings

[jalview.git] / src / jalview / io / BackupFilenameFilter.java

diff --git a/src/jalview/io/BackupFilenameFilter.java b/src/jalview/io/BackupFilenameFilter.java
new file mode 100644 (file)
index 0000000..573040f
--- /dev/null
+++ b/src/jalview/io/BackupFilenameFilter.java
@@ -0,0 +1,46 @@
+package jalview.io;
+
+import java.io.File;
+import java.io.FilenameFilter;
+import java.io.IOException;
+
+public class BackupFilenameFilter implements FilenameFilter
+{
+
+  public String base;
+
+  public String template;
+
+  public int digits;
+
+  public BackupFilenameFilter(String base, String template, int digits)
+  {
+    this.base = base;
+    this.template = template;
+    this.digits = digits;
+  }
+
+  @Override
+  public boolean accept(File dir, String filename)
+  {
+    try
+    {
+      File file = new File(
+              dir.getCanonicalPath() + File.separatorChar + filename);
+      if (file.isDirectory())
+      {
+        // backup files aren't dirs!
+        return false;
+      }
+    } catch (IOException e)
+    {
+      System.out.println("IOException when checking file '" + filename
+              + "' is a backupfile");
+    }
+
+    BackupFilenameParts bffp = new BackupFilenameParts(filename, base,
+            template, digits);
+    return bffp.isBackupFile();
+  }
+
+}