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+/*
+ * 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.parser.rpt;
+
+import org.libreoffice.report.OfficeToken;
+import org.libreoffice.report.pentaho.OfficeNamespaces;
+import org.libreoffice.report.pentaho.model.ImageElement;
+import org.libreoffice.report.pentaho.parser.ElementReadHandler;
+import org.libreoffice.report.pentaho.parser.xlink.XLinkReadHandler;
+
+import org.jfree.report.expressions.FormulaExpression;
+import org.jfree.report.structure.Element;
+
+import org.pentaho.reporting.libraries.xmlns.parser.IgnoreAnyChildReadHandler;
+import org.pentaho.reporting.libraries.xmlns.parser.XmlReadHandler;
+
+import org.xml.sax.Attributes;
+import org.xml.sax.SAXException;
+
+/**
+ * Deals with Image-content. There are two ways to specify the image;
+ * as formula or as static image data.
+ *
+ */
+public class ImageReadHandler extends ElementReadHandler
+{
+
+ private final ImageElement contentElement;
+ private XLinkReadHandler xLinkReadHandler;
+
+ public ImageReadHandler()
+ {
+ contentElement = new ImageElement();
+ }
+
+ /**
+ * Starts parsing.
+ *
+ * @param attrs the attributes.
+ * @throws org.xml.sax.SAXException if there is a parsing error.
+ */
+ @Override
+ protected void startParsing(final Attributes attrs) throws SAXException
+ {
+ super.startParsing(attrs);
+ final String formula = attrs.getValue(OfficeNamespaces.OOREPORT_NS, "formula");
+ if (formula != null && formula.length() != 0)
+ {
+ // now, the evaluated content ends up in the 'content' attribute of the
+ // element.
+ final FormulaExpression valueExpression = new FormulaExpression();
+ valueExpression.setFormula(formula);
+ contentElement.setFormula(valueExpression);
+ }
+
+ contentElement.setNamespace(OfficeNamespaces.FORM_NS);
+ contentElement.setType(OfficeToken.IMAGE);
+ }
+
+ /**
+ * Returns the handler for a child element.
+ *
+ * @param tagName the tag name.
+ * @param atts the attributes.
+ * @return the handler or null, if the tagname is invalid.
+ * @throws org.xml.sax.SAXException if there is a parsing error.
+ */
+ @Override
+ protected XmlReadHandler getHandlerForChild(final String uri,
+ final String tagName,
+ final Attributes atts)
+ throws SAXException
+ {
+ if (OfficeNamespaces.DRAWING_NS.equals(uri) && OfficeToken.IMAGE_DATA.equals(tagName))
+ {
+ xLinkReadHandler = new XLinkReadHandler();
+ return xLinkReadHandler;
+ }
+
+ if (OfficeNamespaces.OOREPORT_NS.equals(uri))
+ {
+ // expect a report control. The control will modify the current
+ // element (as we do not separate the elements that strictly...)
+ if ("report-control".equals(tagName))
+ {
+ return new IgnoreAnyChildReadHandler();
+ }
+ if ("report-element".equals(tagName))
+ {
+ return new ReportElementReadHandler(contentElement);
+ }
+ }
+ return null;
+ }
+
+ /**
+ * Done parsing.
+ *
+ * @throws org.xml.sax.SAXException if there is a parsing error.
+ */
+ @Override
+ protected void doneParsing() throws SAXException
+ {
+ // if we have static content (as well as or only), that one goes into the
+ // alternate-content attribute right now. It is part of the output target
+ // and style rules to deal with them properly.
+ if (xLinkReadHandler != null)
+ {
+ contentElement.setAttribute(OfficeNamespaces.OOREPORT_NS,
+ "alternate-content", xLinkReadHandler.getUri());
+ }
+ }
+
+ @Override
+ public Element getElement()
+ {
+ return contentElement;
+ }
+}