1 files changed, 116 insertions, 0 deletions
diff --git a/reportbuilder/java/com/sun/star/report/pentaho/parser/rpt/FunctionReadHandler.java b/reportbuilder/java/com/sun/star/report/pentaho/parser/rpt/FunctionReadHandler.java
new file mode 100644
index 000000000000..233e0692dd07
--- /dev/null
+++ b/reportbuilder/java/com/sun/star/report/pentaho/parser/rpt/FunctionReadHandler.java
@@ -0,0 +1,116 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+package com.sun.star.report.pentaho.parser.rpt;
+
+import com.sun.star.report.OfficeToken;
+import com.sun.star.report.pentaho.OfficeNamespaces;
+
+import org.jfree.report.expressions.Expression;
+import org.jfree.report.expressions.FormulaExpression;
+import org.jfree.report.expressions.FormulaFunction;
+
+import org.pentaho.reporting.libraries.xmlns.parser.AbstractXmlReadHandler;
+import org.pentaho.reporting.libraries.xmlns.parser.ParseException;
+
+import org.xml.sax.Attributes;
+import org.xml.sax.SAXException;
+
+/**
+ * Parses a named expression. These expressions are encountered on reports and
+ * groups and compute global values. Expressions must have an unique name.
+ *
+ * @author Thomas Morgner
+ */
+public class FunctionReadHandler extends AbstractXmlReadHandler
+{
+
+    private Expression expression;
+
+    public FunctionReadHandler()
+    {
+    }
+
+    /**
+     * Starts parsing.
+     *
+     * @param attrs the attributes.
+     * @throws org.xml.sax.SAXException if there is a parsing error.
+     */
+    protected void startParsing(final Attributes attrs)
+            throws SAXException
+    {
+        final String formula = attrs.getValue(OfficeNamespaces.OOREPORT_NS, "formula");
+        if (formula == null)
+        {
+            throw new ParseException("Required attribute 'formula' is missing", getLocator());
+        }
+
+        final String name = attrs.getValue(OfficeNamespaces.OOREPORT_NS, "name");
+        if (name == null)
+        {
+            throw new ParseException("Required attribute 'name' is missing", getLocator());
+        }
+        final String initialFormula = attrs.getValue(OfficeNamespaces.OOREPORT_NS, "initial-formula");
+        final String deepTraversing = attrs.getValue(OfficeNamespaces.OOREPORT_NS, "deep-traversing");
+
+        if (initialFormula != null)
+        {
+            final FormulaFunction function = new FormulaFunction();
+            function.setInitial(initialFormula);
+            function.setFormula(formula);
+            this.expression = function;
+        }
+        else
+        {
+            final FormulaExpression expression = new FormulaExpression();
+            expression.setFormula(formula);
+            this.expression = expression;
+        }
+
+        expression.setName(name);
+        expression.setDeepTraversing(OfficeToken.TRUE.equals(deepTraversing));
+        final String preEvaluated = attrs.getValue(OfficeNamespaces.OOREPORT_NS, "pre-evaluated");
+        expression.setPrecompute(OfficeToken.TRUE.equals(preEvaluated));
+    }
+
+    /**
+     * Returns the object for this element or null, if this element does not
+     * create an object.
+     *
+     * @return the object.
+     */
+    public Object getObject()
+            throws SAXException
+    {
+        return getExpression();
+    }
+
+    public Expression getExpression()
+    {
+        return expression;
+    }
+}