Example usage for org.apache.poi.xslf.usermodel XSLFSlide getRelationParts

Introduction

In this page you can find the example usage for org.apache.poi.xslf.usermodel XSLFSlide getRelationParts.

Prototype

public final List<RelationPart> getRelationParts() 

Source Link

Document

Returns the list of child relations for this POIXMLDocumentPart

Usage

From source file:com.hp.autonomy.frontend.reports.powerpoint.SlideShowTemplate.java

License:MIT License

/**
 * Given an existing slide, search its relations to find a chart object.
 * @param slide a slide from the template.
 * @param error if we can't find a slide, this error message will be returned as the exception.
 * @return a pair containing the chart.xml data and the graphical object which represented it on the slide.
 * @throws TemplateLoadException if we can't find a chart object.
 *///w w  w  . ja  v  a  2s  .  c om
private ImmutablePair<XSLFChart, CTGraphicalObjectFrame> getChart(final XSLFSlide slide, final String error)
        throws TemplateLoadException {
    for (POIXMLDocumentPart.RelationPart part : slide.getRelationParts()) {
        if (part.getDocumentPart() instanceof XSLFChart) {
            final String relId = part.getRelationship().getId();

            for (XSLFShape shape : slide.getShapes()) {
                if (shape instanceof XSLFGraphicFrame) {
                    final CTGraphicalObjectFrame frameXML = (CTGraphicalObjectFrame) shape.getXmlObject();
                    final XmlObject[] children = frameXML.getGraphic().getGraphicData()
                            .selectChildren(new QName(XSSFRelation.NS_CHART, "chart"));

                    for (final XmlObject child : children) {
                        final String imageRel = child.getDomNode().getAttributes()
                                .getNamedItemNS(RELATION_NAMESPACE, "id").getNodeValue();

                        if (relId.equals(imageRel)) {
                            return new ImmutablePair<>(part.getDocumentPart(), frameXML);
                        }
                    }
                }
            }
        }
    }

    throw new TemplateLoadException(error);
}

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