committed Doug's Rocksim loader

[debian/openrocket] / src / net / sf / openrocket / gui / main / SimpleFileFilter.java

diff --git a/src/net/sf/openrocket/gui/main/SimpleFileFilter.java b/src/net/sf/openrocket/gui/main/SimpleFileFilter.java
new file mode 100644 (file)
index 0000000..5fbcb1b
--- /dev/null
+++ b/src/net/sf/openrocket/gui/main/SimpleFileFilter.java
@@ -0,0 +1,62 @@
+package net.sf.openrocket.gui.main;
+
+import java.io.File;
+
+import javax.swing.filechooser.FileFilter;
+
+/**
+ * A FileFilter similar to FileNameExtensionFilter except that
+ * it allows multipart extensions (.ork.gz).
+ * 
+ * @author Sampo Niskanen <sampo.niskanen@iki.fi>
+ */
+public class SimpleFileFilter extends FileFilter {
+
+       private final String description;
+       private final String[] extensions;
+       
+       
+       /**
+        * Sole constructor.
+        * 
+        * @param description   the description of this file filter.
+        * @param extensions    an array of extensions that match this filter.
+        */
+       public SimpleFileFilter(String description, String ... extensions) {
+               this.description = description;
+               this.extensions = new String[extensions.length];
+               for (int i=0; i<extensions.length; i++) {
+                       String ext = extensions[i].toLowerCase();
+                       if (ext.charAt(0) == '.') {
+                               this.extensions[i] = ext;
+                       } else {
+                               this.extensions[i] = '.' + ext;
+                       }
+               }
+       }
+       
+       
+       
+       @Override
+       public boolean accept(File file) {
+               if (file == null)
+                       return false;
+               if (file.isDirectory())
+                       return true;
+               
+               String filename = file.getName();
+               filename = filename.toLowerCase();
+               for (String ext: extensions) {
+                       if (filename.endsWith(ext))
+                               return true;
+               }
+               
+               return false;
+       }
+
+       @Override
+       public String getDescription() {
+               return description;
+       }
+
+}