1 files changed, 157 insertions, 0 deletions
diff --git a/reportbuilder/java/org/libreoffice/report/pentaho/SOFunctionManager.java b/reportbuilder/java/org/libreoffice/report/pentaho/SOFunctionManager.java
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+++ b/reportbuilder/java/org/libreoffice/report/pentaho/SOFunctionManager.java
@@ -0,0 +1,157 @@
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+package org.libreoffice.report.pentaho;
+
+import com.sun.star.container.NoSuchElementException;
+import com.sun.star.lang.XServiceInfo;
+import com.sun.star.lib.uno.helper.ComponentBase;
+import com.sun.star.report.meta.XFunctionCategory;
+import com.sun.star.report.meta.XFunctionDescription;
+import com.sun.star.report.meta.XFunctionManager;
+import com.sun.star.uno.XComponentContext;
+
+import org.pentaho.reporting.libraries.formula.DefaultFormulaContext;
+import org.pentaho.reporting.libraries.formula.function.FunctionCategory;
+import org.pentaho.reporting.libraries.formula.function.FunctionDescription;
+import org.pentaho.reporting.libraries.formula.function.FunctionRegistry;
+
+public final class SOFunctionManager extends ComponentBase implements XFunctionManager, XServiceInfo
+{
+
+    private final XComponentContext m_xContext;
+    /**
+     * The service name, that must be used to get an instance of this service.
+     */
+    private static final String __serviceName =
+            "com.sun.star.report.meta.FunctionManager";
+    final private FunctionCategory[] categories;
+    final private FunctionRegistry functionRegistry;
+    final private DefaultFormulaContext defaultContext;
+
+    public SOFunctionManager(XComponentContext context)
+    {
+        m_xContext = context;
+        final ClassLoader cl = java.lang.Thread.currentThread().getContextClassLoader();
+        Thread.currentThread().setContextClassLoader(this.getClass().getClassLoader());
+        defaultContext = new DefaultFormulaContext();
+        functionRegistry = defaultContext.getFunctionRegistry();
+        categories = functionRegistry.getCategories();
+        Thread.currentThread().setContextClassLoader(cl);
+
+    }
+
+    /**
+     * This method returns an array of all supported service names.
+     *
+     * @return Array of supported service names.
+     */
+    public String[] getSupportedServiceNames()
+    {
+        return getServiceNames();
+    }
+
+    /**
+     * This method is a simple helper function to used in the static component initialisation functions as well as
+     * in getSupportedServiceNames.
+     */
+    public static String[] getServiceNames()
+    {
+        return new String[]
+                {
+                    __serviceName
+                };
+    }
+
+    /**
+     * This method returns true, if the given service will be supported by the component.
+     *
+     * @param sServiceName Service name.
+     * @return True, if the given service name will be supported.
+     */
+    public boolean supportsService(final String sServiceName)
+    {
+        return sServiceName.equals(__serviceName);
+    }
+
+    /**
+     * Return the class name of the component.
+     *
+     * @return Class name of the component.
+     */
+    public String getImplementationName()
+    {
+        return SOFunctionManager.class.getName();
+    }
+
+    // com.sun.star.container.XElementAccess:
+    public com.sun.star.uno.Type getElementType()
+    {
+        return new com.sun.star.uno.Type(XFunctionCategory.class);
+    }
+
+    public boolean hasElements()
+    {
+        return categories.length != 0;
+    }
+
+    // com.sun.star.container.XIndexAccess:
+    public int getCount()
+    {
+        return categories.length;
+    }
+
+    public Object getByIndex(int Index) throws com.sun.star.lang.IndexOutOfBoundsException, com.sun.star.lang.WrappedTargetException
+    {
+        return getCategory(Index);
+    }
+
+    // com.sun.star.report.meta.XFunctionManager:
+    public com.sun.star.report.meta.XFunctionCategory getCategory(int position) throws com.sun.star.lang.IndexOutOfBoundsException, com.sun.star.lang.WrappedTargetException
+    {
+        if (position >= categories.length)
+        {
+            throw new com.sun.star.lang.IndexOutOfBoundsException();
+        }
+        return new StarFunctionCategory(defaultContext, m_xContext, functionRegistry, position, categories[position]);
+    }
+
+    public XFunctionDescription getFunctionByName(String arg0) throws NoSuchElementException
+    {
+        final FunctionDescription func = functionRegistry.getMetaData(arg0);
+        if (func == null)
+        {
+            throw new NoSuchElementException();
+        }
+        int i = 0;
+        for (; i < categories.length; i++)
+        {
+            if (categories[i] == func.getCategory())
+            {
+                break;
+            }
+        }
+        try
+        {
+            return new StarFunctionDescription(defaultContext, m_xContext, getCategory(i), func);
+        }
+        catch (Exception ex)
+        {
+        }
+        return null;
+    }
+}