1 files changed, 78 insertions, 0 deletions
diff --git a/src/proguard/gui/ExtensionFileFilter.java b/src/proguard/gui/ExtensionFileFilter.java
new file mode 100644
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+++ b/src/proguard/gui/ExtensionFileFilter.java
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+/*
+ * ProGuard -- shrinking, optimization, obfuscation, and preverification
+ *             of Java bytecode.
+ *
+ * Copyright (c) 2002-2009 Eric Lafortune (eric@graphics.cornell.edu)
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+package proguard.gui;
+
+import javax.swing.filechooser.FileFilter;
+import java.io.File;
+
+
+/**
+ * This <code>FileFilter</code> accepts files that end in one of the given
+ * extensions.
+ *
+ * @author Eric Lafortune
+ */
+final class ExtensionFileFilter extends FileFilter
+{
+    private final String   description;
+    private final String[] extensions;
+
+
+    /**
+     * Creates a new ExtensionFileFilter.
+     * @param description a description of the filter.
+     * @param extensions  an array of acceptable extensions.
+     */
+    public ExtensionFileFilter(String description, String[] extensions)
+    {
+        this.description = description;
+        this.extensions  = extensions;
+    }
+
+
+    // Implemntations for FileFilter
+
+    public String getDescription()
+    {
+        return description;
+    }
+
+
+    public boolean accept(File file)
+    {
+        if (file.isDirectory())
+        {
+            return true;
+        }
+
+        String fileName = file.getName().toLowerCase();
+
+        for (int index = 0; index < extensions.length; index++)
+        {
+            if (fileName.endsWith(extensions[index]))
+            {
+                return true;
+            }
+        }
+
+        return false;
+    }
+}