1 files changed, 146 insertions, 0 deletions
diff --git a/pki/base/common/src/com/netscape/cmscore/util/FileDialogFilter.java b/pki/base/common/src/com/netscape/cmscore/util/FileDialogFilter.java
new file mode 100644
index 000000000..98a2e8422
--- /dev/null
+++ b/pki/base/common/src/com/netscape/cmscore/util/FileDialogFilter.java
@@ -0,0 +1,146 @@
+// --- BEGIN COPYRIGHT BLOCK ---
+// 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; version 2 of the License.
+//
+// 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.,
+// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+//
+// (C) 2007 Red Hat, Inc.
+// All rights reserved.
+// --- END COPYRIGHT BLOCK ---
+package com.netscape.cmscore.util;
+
+
+import java.io.*;
+
+
+/**
+ * checks the filename and directory with the specified filter
+ * checks with multiple "*".
+ * the filter has to start with a '*' character.
+ * this to keep the search the same as in the motif version
+ * <P>
+ * Copied verbatium from sun.awt.tiny.TinyFileDialogPeer.  Used by 
+ * RollingLogFile expiration code
+ * <P>
+ * @author mikep
+ * @version $Revision$, $Date$
+ */
+public class FileDialogFilter implements FilenameFilter {
+
+    String filter;
+
+    public FileDialogFilter(String f) {
+        filter = f;
+    }
+
+    public String toString() {
+        return filter;
+    }
+
+    /**
+     * return true if match
+     */
+    public boolean accept(File dir, String fileName) {
+    	
+        File f = new File(dir, fileName);
+	
+        if (f.isDirectory()) {
+            return true;
+        } else {
+            return searchPattern(fileName, filter);
+        }
+    }
+	
+    /** 
+     * start searching 
+     */
+    boolean searchPattern(String fileName, String filter) {
+        int filterCursor = 0;
+        int fileNameCursor = 0;
+
+        int filterChar = filter.charAt(filterCursor);
+	    
+        if (filterCursor == 0 && filterChar != '*') {
+            return false;
+        }
+        String ls = filter.substring(filterCursor + 1);
+
+        return handleStar(fileName, ls);
+    }
+
+    /**
+     * call this method when character was an *
+     */
+    boolean handleStar(String fileName, String filter) {
+        int ftLen = filter.length();
+        int flLen = fileName.length();
+        char ftChar;
+        char flChar;
+        int  ftCur = 0;
+        int  flCur = 0;
+        int c = 0;
+	
+        if (ftLen == 0) {
+            return true;
+        }
+
+        while (c < flLen) {
+            ftChar = filter.charAt(ftCur); 
+		
+            if (ftChar == '*') {
+                String ls = filter.substring(ftCur + 1);
+                String fs = fileName.substring(flCur);
+
+                if (handleStar(fs, ls)) {
+                    return true;
+                }
+                c++;
+                flCur = c;
+                ftCur = 0;
+                continue;
+            }
+            flChar = fileName.charAt(flCur);
+	    
+            if (ftChar == flChar) {
+                ftCur++;
+                flCur++;
+		
+                if (flCur == flLen && ftCur == ftLen) {
+                    return true;
+                }
+
+                if (flCur < flLen && ftCur == ftLen) {
+                    return false;
+                }
+
+                if (flCur == flLen) {
+                    c = flLen;
+                }
+            } else {
+                c++;
+                flCur = c;
+                ftCur = 0;
+                if (c == flLen) {
+                    return false;
+                }
+            }
+        }
+    	
+        for (int i = ftCur; i < ftLen; i++) {
+            ftChar = filter.charAt(i); 
+            if (ftChar != '*') {
+                return false;
+            }
+        }
+        return true;
+    }
+}
+