merged 1.1 branch into head

[mir.git] / source / mircoders / abuse / PostingSizeFilterType.java

diff --git a/source/mircoders/abuse/PostingSizeFilterType.java b/source/mircoders/abuse/PostingSizeFilterType.java
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+/*\r
+ * Copyright (C) 2001, 2002 The Mir-coders group\r
+ *\r
+ * This file is part of Mir.\r
+ *\r
+ * Mir is free software; you can redistribute it and/or modify\r
+ * it under the terms of the GNU General Public License as published by\r
+ * the Free Software Foundation; either version 2 of the License, or\r
+ * (at your option) any later version.\r
+ *\r
+ * Mir is distributed in the hope that it will be useful,\r
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
+ * GNU General Public License for more details.\r
+ *\r
+ * You should have received a copy of the GNU General Public License\r
+ * along with Mir; if not, write to the Free Software\r
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA\r
+ *\r
+ * In addition, as a special exception, The Mir-coders gives permission to link\r
+ * the code of this program with  any library licensed under the Apache Software License,\r
+ * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library\r
+ * (or with modified versions of the above that use the same license as the above),\r
+ * and distribute linked combinations including the two.  You must obey the\r
+ * GNU General Public License in all respects for all of the code used other than\r
+ * the above mentioned libraries.  If you modify this file, you may extend this\r
+ * exception to your version of the file, but you are not obligated to do so.\r
+ * If you do not wish to do so, delete this exception statement from your version.\r
+ */\r
+\r
+package mircoders.abuse;\r
+\r
+import mir.entity.Entity;\r
+import mir.session.Request;\r
+\r
+import java.util.Iterator;\r
+\r
+/**\r
+  * A description of a regular expression filter.\r
+  */\r
+public class PostingSizeFilterType extends AbstractFilterType {\r
+  public PostingSizeFilterType(String aName) {\r
+     super(aName);\r
+   }\r
+\r
+  public FilterInstance constructFilterInstance(final String anExpression) throws AbuseExc {\r
+    final long maxSize;\r
+    try {\r
+       maxSize = Long.parseLong(anExpression);\r
+    }\r
+    catch (NumberFormatException e) {\r
+      throw new AbuseExc("Not an integer: " + anExpression);\r
+    }\r
+\r
+    return new FilterInstance() {\r
+\r
+      public boolean test(Entity anEntity, Request aRequest) {\r
+        long totalSize = 0L;\r
+        Iterator j = anEntity.getFieldNames().iterator();\r
+\r
+        while (j.hasNext()) {\r
+          String field = anEntity.getFieldValue( (String) j.next());\r
+          if (field!=null) {\r
+            totalSize += (long) field.length();\r
+          }\r
+        }\r
+\r
+        return totalSize > maxSize;\r
+      }\r
+\r
+      public String status() {\r
+        return null;\r
+      }\r
+    };\r
+  }\r
+}
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