Example usage for javax.xml.stream XMLInputFactory createXMLStreamReader

Introduction

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

Prototype

public abstract XMLStreamReader createXMLStreamReader(java.io.InputStream stream) throws XMLStreamException;

Source Link

Document

Create a new XMLStreamReader from a java.io.InputStream

Usage

From source file:org.springmodules.remoting.xmlrpc.stax.AbstractStaxXmlRpcParser.java

/**
 * Creates a new XML stream reader from the given InputStream.
 * //from   www  . j a v a2s.co m
 * @param inputStream
 *          the InputStream used as source.
 * @return the created XML stream reader.
 * @throws XmlRpcParsingException
 *           if there are any errors during the parsing.
 */
protected final XMLStreamReader loadXmlReader(InputStream inputStream) throws XMLStreamException {
    XMLInputFactory factory = XMLInputFactory.newInstance();
    if (logger.isDebugEnabled()) {
        logger.debug("Using StAX implementation [" + factory + "]");
    }

    XMLStreamReader reader = factory.createXMLStreamReader(inputStream);
    return reader;
}

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From source file:org.sweble.wikitext.dumpreader.DumpReader.java

/**
 * The xerces UTF8Reader is broken. If the xerces XML parser is given an
 * input stream, it will instantiate a reader for the encoding found in the
 * XML file, a UTF8Reader in case of an UTF8 encoded XML file. Sadly, this
 * UTF8Reader crashes for certain input (not sure why exactly).
 * //from www .j  a v  a 2  s.  c  o m
 * On the other hand, when given a reader, which is forced to work with a
 * certain encoding, the xerces XML parser does not have this freedom and
 * will apparently process Wikipedia dumps just fine.
 * 
 * Therefore, in case you have trouble to parse a XML file, by specifying an
 * encoding, you force the use of a Reader and can circumvent the crash.
 */
private XMLStreamReader getXmlStreamReader(Charset encoding)
        throws FactoryConfigurationError, XMLStreamException, UnsupportedEncodingException {
    XMLInputFactory xmlInputFactory = XMLInputFactory.newInstance();

    if (encoding != null) {
        InputStreamReader isr = new InputStreamReader(decompressedInputStream, encoding);
        return xmlInputFactory.createXMLStreamReader(isr);
    } else {
        return xmlInputFactory.createXMLStreamReader(decompressedInputStream);
    }
}

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From source file:org.wso2.carbon.apimgt.impl.APIProviderImplTest.java

private static OMElement buildOMElement(InputStream inputStream) throws APIManagementException {
    XMLStreamReader parser;// ww w .  ja  v a 2  s. c  o  m
    StAXOMBuilder builder;
    try {
        XMLInputFactory factory = XMLInputFactory.newInstance();
        factory.setProperty(XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES, false);
        parser = factory.createXMLStreamReader(inputStream);
        builder = new StAXOMBuilder(parser);
    } catch (XMLStreamException e) {
        String msg = "Error in initializing the parser.";
        throw new APIManagementException(msg, e);
    }

    return builder.getDocumentElement();
}

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From source file:org.wso2.carbon.apimgt.usage.client.impl.APIUsageStatisticsRestClientImpl.java

/**
 * This method read XML content from the given stream
 *
 * @param inputStream Stream to read XML
 * @return XML represented by OMElement/*from  w  w w. j  a v a 2 s. c  om*/
 * @throws Exception throws generic exception
 */
public static OMElement buildOMElement(InputStream inputStream) throws Exception {
    XMLStreamReader parser;
    try {
        XMLInputFactory xmlInputFactory = XMLInputFactory.newInstance();
        xmlInputFactory.setProperty(XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES, false);
        parser = xmlInputFactory.createXMLStreamReader(inputStream);
    } catch (XMLStreamException e) {
        String msg = "Error in initializing the parser to build the OMElement.";
        log.error(msg, e);
        throw new Exception(msg, e);
    }
    StAXOMBuilder builder = new StAXOMBuilder(parser);
    return builder.getDocumentElement();
}

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From source file:org.wso2.carbon.appfactory.core.dao.ApplicationDAO.java

/**
 * Method to add an application artifact to registry
 *
 * @param info               information of application, that need to be added to the registry
 * @param lifecycleAttribute the name of lifecycle, that should be associated with the application
 * @return registry path of the application artifact
 * @throws AppFactoryException//from w  w w .  j av a  2 s. co  m
 */
public String addApplicationArtifact(String info, String lifecycleAttribute) throws AppFactoryException {
    RegistryUtils.recordStatistics(AppFactoryConstants.RXT_KEY_APPINFO_APPLICATION, info, lifecycleAttribute);
    String tenantDomain = CarbonContext.getThreadLocalCarbonContext().getTenantDomain();
    try {
        UserRegistry userRegistry = GovernanceUtil.getUserRegistry();
        XMLInputFactory factory = XMLInputFactory.newInstance();
        factory.setProperty(XMLInputFactory.IS_COALESCING, true);

        XMLStreamReader reader = factory.createXMLStreamReader(new StringReader(info));
        GenericArtifactManager manager = new GenericArtifactManager(userRegistry,
                AppFactoryConstants.RXT_KEY_APPINFO_APPLICATION);
        GenericArtifact artifact = manager
                .newGovernanceArtifact(new StAXOMBuilder(reader).getDocumentElement());

        // want to save original content, so set content here
        artifact.setContent(info.getBytes());

        manager.addGenericArtifact(artifact);
        if (lifecycleAttribute != null) {
            String lifecycle = artifact.getAttribute(lifecycleAttribute);
            if (lifecycle != null) {
                artifact.attachLifecycle(lifecycle);
            }
        }
        return AppFactoryConstants.REGISTRY_GOVERNANCE_PATH + artifact.getPath();
    } catch (Exception e) {
        log.error("Error while adding application artifact in tenant : " + tenantDomain);
        throw new AppFactoryException(e);
    }
}

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From source file:org.wso2.carbon.appfactory.core.governance.RxtManager.java

public String addArtifact(String key, String info, String lifecycleAttribute) throws AppFactoryException {
    RegistryUtils.recordStatistics(key, info, lifecycleAttribute);
    try {//from w  ww  .  j av a  2 s .  c  o m
        UserRegistry userRegistry = getUserRegistry();
        XMLInputFactory factory = XMLInputFactory.newInstance();
        factory.setProperty(XMLInputFactory.IS_COALESCING, true);
        XMLStreamReader reader = null;
        reader = factory.createXMLStreamReader(new StringReader(info));
        GenericArtifactManager manager = new GenericArtifactManager(userRegistry, key);
        GenericArtifact artifact = manager
                .newGovernanceArtifact(new StAXOMBuilder(reader).getDocumentElement());

        // want to save original content, so set content here
        artifact.setContent(info.getBytes());
        manager.addGenericArtifact(artifact);
        if (lifecycleAttribute != null) {
            String lifecycle = artifact.getAttribute(lifecycleAttribute);
            if (lifecycle != null) {
                artifact.attachLifecycle(lifecycle);
            }
        }
        return "/_system/governance" + artifact.getPath();
    } catch (Exception e) {
        String errorMsg = "Error adding artifact";
        throw new AppFactoryException(errorMsg, e);
    }
}

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From source file:org.wso2.carbon.appfactory.repository.provider.common.AbstractRepositoryProvider.java

protected Repository getRepositoryFromStream(InputStream responseBodyAsStream) throws RepositoryMgtException {
    XMLInputFactory xif = XMLInputFactory.newInstance();
    XMLStreamReader reader = null;
    Repository repository = new Repository();
    try {//from  w  w  w.  j a v  a2  s .  c  o  m
        reader = xif.createXMLStreamReader(responseBodyAsStream);
        StAXOMBuilder builder = new StAXOMBuilder(reader);
        OMElement rootElement = builder.getDocumentElement();
        if (REPOSITORY_XML_ROOT_ELEMENT.equals(rootElement.getLocalName())) {
            Iterator elements = rootElement.getChildElements();
            while (elements.hasNext()) {
                Object object = elements.next();
                if (object instanceof OMElement) {
                    OMElement element = (OMElement) object;
                    if (REPOSITORY_URL_ELEMENT.equals(element.getLocalName())) {
                        repository.setUrl(element.getText());
                        break;
                    }
                }
            }
        } else {
            String msg = "In the payload no repository information is found";
            log.error(msg);
            throw new RepositoryMgtException(msg);
        }
    } catch (XMLStreamException e) {
        String msg = "Error while reading the stream";
        log.error(msg, e);
        throw new RepositoryMgtException(msg, e);
    } finally {
        try {
            if (reader != null) {
                reader.close();
            }
        } catch (XMLStreamException e) {
            String msg = "Error while serializing the payload";
            log.error(msg, e);
        }
    }
    return repository;
}

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From source file:org.wso2.carbon.bam.service.data.publisher.internal.StatisticsServiceComponent.java

private OMElement getPublishingConfig() {
    String bamConfigPath = CarbonUtils.getEtcCarbonConfigDirPath() + File.separator
            + CommonConstants.BAM_CONFIG_XML;

    File bamConfigFile = new File(bamConfigPath);
    try {// w ww . ja v a2 s. c  o  m
        XMLInputFactory xif = XMLInputFactory.newInstance();
        InputStream inputStream = new FileInputStream(bamConfigFile);
        XMLStreamReader reader = xif.createXMLStreamReader(inputStream);
        xif.setProperty("javax.xml.stream.isCoalescing", false);

        StAXOMBuilder builder = new StAXOMBuilder(reader);

        return builder.getDocument().getOMDocumentElement();
    } catch (FileNotFoundException e) {
        log.warn("No " + CommonConstants.BAM_CONFIG_XML + " found in " + bamConfigPath);
        return null;
    } catch (XMLStreamException e) {
        log.error("Incorrect format " + CommonConstants.BAM_CONFIG_XML + " file", e);
        return null;
    }
}

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From source file:org.wso2.carbon.bpel.core.ode.integration.mgt.services.ProcessManagementServiceSkeleton.java

private OMElement getProcessDefinition(ProcessConf pConf) throws ProcessManagementException {
    if (pConf == null) {
        String errMsg = "Process configuration cannot be null.";
        log.error(errMsg);/*  ww  w  .  j  a  v a2  s . c  o  m*/
        throw new ProcessManagementException(errMsg);
    }

    String bpelDoc = pConf.getBpelDocument();
    List<File> files = pConf.getFiles();

    for (final File file : files) {
        if (file.getPath().endsWith(bpelDoc) || file.getPath().endsWith(bpelDoc.replaceAll("/", "\\\\"))) {
            XMLStreamReader reader;
            FileInputStream fis = null;
            OMElement bpelDefinition;
            try {
                fis = new FileInputStream(file);
                XMLInputFactory xif = XMLInputFactory.newInstance();
                reader = xif.createXMLStreamReader(fis);
                StAXOMBuilder builder = new StAXOMBuilder(reader);
                bpelDefinition = builder.getDocumentElement();
                bpelDefinition.build();
            } catch (XMLStreamException e) {
                String errMsg = "XML stream reader exception: " + file.getAbsolutePath();
                log.error(errMsg, e);
                throw new ProcessManagementException(errMsg, e);
            } catch (FileNotFoundException e) {
                String errMsg = "BPEL File reading exception: " + file.getAbsolutePath();
                log.error(errMsg, e);
                throw new ProcessManagementException(errMsg, e);
            } finally {
                if (fis != null) {
                    try {
                        fis.close();
                    } catch (IOException e) {
                        log.warn("Cannot close file input stream.", e);
                    }
                }
            }

            return bpelDefinition;
        }
    }

    String errMsg = "Process Definition for: " + pConf.getProcessId() + " not found";
    log.error(errMsg);
    throw new ProcessManagementException(errMsg);
}

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From source file:org.wso2.carbon.device.mgt.core.config.tenant.PlatformConfigurationManagementServiceImpl.java

@Override
public PlatformConfiguration getConfiguration(String resourcePath) throws ConfigurationManagementException {
    Resource resource;/*from w  ww  .java 2  s .  c om*/
    try {
        resource = ConfigurationManagerUtil.getRegistryResource(resourcePath);
        if (resource != null) {
            XMLInputFactory factory = XMLInputFactory.newInstance();
            factory.setProperty(XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES, false);
            factory.setProperty(XMLInputFactory.SUPPORT_DTD, false);
            XMLStreamReader reader = factory
                    .createXMLStreamReader(new StringReader(new String((byte[]) resource.getContent(),
                            Charset.forName(ConfigurationManagerConstants.CharSets.CHARSET_UTF8))));

            JAXBContext context = JAXBContext.newInstance(PlatformConfiguration.class);
            Unmarshaller unmarshaller = context.createUnmarshaller();
            return (PlatformConfiguration) unmarshaller.unmarshal(reader);
        }
        return new PlatformConfiguration();
    } catch (JAXBException | XMLStreamException e) {
        throw new ConfigurationManagementException(
                "Error occurred while parsing the Tenant configuration : " + e.getMessage(), e);
    } catch (RegistryException e) {
        throw new ConfigurationManagementException(
                "Error occurred while retrieving the Registry resource of Tenant Configuration : "
                        + e.getMessage(),
                e);
    }
}

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