Example usage for javax.xml.stream XMLInputFactory createXMLEventReader

Introduction

In this page you can find the example usage for javax.xml.stream XMLInputFactory createXMLEventReader.

Prototype

public abstract XMLEventReader createXMLEventReader(String systemId, java.io.InputStream stream)
        throws XMLStreamException;

Source Link

Document

Create a new XMLEventReader from a java.io.InputStream

Usage

From source file:org.apache.olingo.fit.metadata.Metadata.java

public Metadata(final InputStream is) {
    DEF_NS = Constants.get(ConstantKey.EDM_NS);
    schemas = new HashMap<String, Schema>();

    try {//from  w  w w.j  a v a 2 s.  c  o m
        final XMLInputFactory ifactory = XMLInputFactory.newInstance();
        final XMLEventReader reader = ifactory.createXMLEventReader(is,
                org.apache.olingo.commons.api.Constants.UTF8);

        try {
            while (reader.hasNext()) {
                final XMLEvent event = reader.nextEvent();

                if (event.isStartElement()
                        && event.asStartElement().getName().equals(new QName(DEF_NS, "Schema"))) {
                    final Schema schema = getSchema(event.asStartElement(), reader);
                    schemas.put(schema.getNamespace(), schema);
                }
            }

        } catch (Exception ignore) {
            // ignore
        } finally {
            reader.close();
            IOUtils.closeQuietly(is);
        }
    } catch (Exception e) {
        LOG.error("Error parsing metadata", e);
    }

    for (Map.Entry<String, Schema> schemaEntry : schemas.entrySet()) {
        for (EntityType entityType : schemaEntry.getValue().getEntityTypes()) {
            for (NavigationProperty property : entityType.getNavigationProperties()) {
                property.setFeed(property.getType().startsWith("Collection("));

                final Collection<EntitySet> entitySets = schemaEntry.getValue().getContainers().iterator()
                        .next().getEntitySets(schemaEntry.getKey(), entityType.getName());

                final Iterator<EntitySet> iter = entitySets.iterator();
                boolean found = false;

                while (!found && iter.hasNext()) {
                    final EntitySet entitySet = iter.next();
                    final String target = entitySet.getTarget(property.getName());
                    if (StringUtils.isNotBlank(target)) {
                        property.setTarget(entitySet.getTarget(property.getName()));
                        found = true;
                    }
                }
            }
        }
    }
}

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From source file:org.apereo.portal.rest.ImportExportController.java

protected BufferedXMLEventReader createSourceXmlEventReader(MultipartFile multipartFile) throws IOException {
    final InputStream inputStream = multipartFile.getInputStream();
    final String name = multipartFile.getOriginalFilename();

    final XMLInputFactory xmlInputFactory = this.xmlUtilities.getXmlInputFactory();
    final XMLEventReader xmlEventReader;
    try {/*from ww  w.  ja  v a 2s .  c o  m*/
        xmlEventReader = xmlInputFactory.createXMLEventReader(name, inputStream);
    } catch (XMLStreamException e) {
        throw new RuntimeException("Failed to create XML Event Reader for data Source", e);
    }
    return new BufferedXMLEventReader(xmlEventReader, -1);
}

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