Example usage for javax.xml.stream XMLStreamReader close

List of usage examples for javax.xml.stream XMLStreamReader close

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Introduction

In this page you can find the example usage for javax.xml.stream XMLStreamReader close.

Prototype

public void close() throws XMLStreamException;

Source Link

Document

Frees any resources associated with this Reader.

Usage

From source file:org.wso2.dss.integration.common.utils.DSSTestCaseUtils.java

/**
 * Loads the specified resource from the file system and returns its content as an OMElement.
 *
 * @param filePath A relative path to the resource file
 * @return An OMElement containing the resource content
 */// w ww  .ja v a 2  s .  c  o  m
public OMElement loadResourceFrom(String filePath) throws FileNotFoundException, XMLStreamException {
    OMElement documentElement = null;
    FileInputStream inputStream = null;
    XMLStreamReader parser = null;
    StAXOMBuilder builder = null;
    File file = new File(filePath);
    if (file.exists()) {
        try {
            inputStream = new FileInputStream((getClass().getResource(filePath).getPath()));
            parser = XMLInputFactory.newInstance().createXMLStreamReader(inputStream);
            //create the builder
            builder = new StAXOMBuilder(parser);
            //get the root element (in this case the envelope)
            documentElement = builder.getDocumentElement().cloneOMElement();
        } finally {
            if (builder != null) {
                builder.close();
            }
            if (parser != null) {
                try {
                    parser.close();
                } catch (XMLStreamException e) {
                    //ignore
                }
            }
            if (inputStream != null) {
                try {
                    inputStream.close();
                } catch (IOException e) {
                    //ignore
                }
            }

        }
    } else {
        throw new FileNotFoundException("File Not Exist at " + filePath);
    }
    return documentElement;
}

From source file:org.wso2.esb.integration.common.utils.ESBTestCaseUtils.java

/**
 * Loads the specified resource from the classpath and returns its content as an OMElement.
 *
 * @param path A relative path to the resource file
 * @return An OMElement containing the resource content
 *///from   w w w .j  a v a2s .co m
public OMElement loadResource(String path) throws FileNotFoundException, XMLStreamException {
    OMElement documentElement = null;
    FileInputStream inputStream = null;
    XMLStreamReader parser = null;
    StAXOMBuilder builder = null;
    path = TestConfigurationProvider.getResourceLocation() + path;
    File file = new File(path);
    if (file.exists()) {
        try {
            inputStream = new FileInputStream(file);
            parser = XMLInputFactory.newInstance().createXMLStreamReader(inputStream);
            //create the builder
            builder = new StAXOMBuilder(parser);
            //get the root element (in this case the envelope)
            documentElement = builder.getDocumentElement().cloneOMElement();
        } finally {
            if (builder != null) {
                builder.close();
            }
            if (parser != null) {
                try {
                    parser.close();
                } catch (XMLStreamException e) {
                    //ignore
                }
            }
            if (inputStream != null) {
                try {
                    inputStream.close();
                } catch (IOException e) {
                    //ignore
                }
            }

        }
    } else {
        throw new FileNotFoundException("File Not Exist at " + path);
    }
    return documentElement;
}

From source file:org.wso2.esb.integration.common.utils.ESBTestCaseUtils.java

/**
 * Loads the configuration of the specified sample into the ESB.
 *
 * @param number Sample number//from  w  w  w. j  av  a2  s  . c o m
 * @throws Exception If an error occurs while loading the sample configuration
 */
public OMElement loadESBSampleConfiguration(int number) throws Exception {
    String filePath = TestConfigurationProvider.getResourceLocation("ESB") + File.separator + "samples"
            + File.separator + "synapse_sample_" + number + ".xml";
    File configFile = new File(filePath);
    FileInputStream inputStream = null;
    XMLStreamReader parser = null;
    StAXOMBuilder builder = null;
    OMElement documentElement = null;
    try {
        inputStream = new FileInputStream(configFile.getAbsolutePath());
        parser = XMLInputFactory.newInstance().createXMLStreamReader(inputStream);
        builder = new StAXOMBuilder(parser);
        documentElement = builder.getDocumentElement().cloneOMElement();

    } finally {
        if (builder != null) {
            builder.close();
        }
        if (parser != null) {
            try {
                parser.close();
            } catch (XMLStreamException e) {
                //ignore
            }
        }
        if (inputStream != null) {
            try {
                inputStream.close();
            } catch (IOException e) {
                //ignore
            }
        }
    }
    return documentElement;
}

From source file:org.wso2.maven.AbstractMavenReleaseMojo.java

/**
 * Update versions in the given artifact.xml file of a ESB/DSS project.
 *
 * @param artifactXml artifact.xml file of a ESB/DSS project.
 * @param newVersion  new version to which, the artifacts should be updated.
 * @throws Exception/* w ww .ja  v  a 2 s. c o m*/
 */
protected void updateArtifactVersions(File artifactXml, String newVersion) throws Exception {
    InputStream inputStream = new FileInputStream(artifactXml);
    XMLStreamReader xmlStreamReader = XMLInputFactory.newInstance().createXMLStreamReader(inputStream);
    StAXOMBuilder builder = new StAXOMBuilder(xmlStreamReader);
    OMElement documentElement = builder.getDocumentElement();
    Iterator artifacts = documentElement.getChildrenWithName(new QName(ARTIFACT));
    while (artifacts.hasNext()) {
        OMElement artifact = (OMElement) artifacts.next();
        OMAttribute version = artifact.getAttribute(new QName(VERSION));
        if (version != null) {
            version.setAttributeValue(newVersion);
        }
    }
    if (isInDryRunMode()) {
        artifactXml = new File(artifactXml.getPath() + getDryRunFilePrefix());
    }
    FileOutputStream outputStream = new FileOutputStream(artifactXml);
    XMLStreamWriter xmlStreamWriter = XMLOutputFactory.newInstance().createXMLStreamWriter(outputStream);
    builder.getDocument().serialize(xmlStreamWriter);
    inputStream.close();
    xmlStreamReader.close();
    outputStream.close();
    xmlStreamWriter.close();
}

From source file:org.xwiki.xar.internal.XarUtils.java

/**
 * Extract {@link LocalDocumentReference} from a XAR document XML stream.
 * //from ww w .j  a  va 2 s .  co m
 * @param documentStream the stream to parse
 * @return the reference extracted from the stream
 * @throws XarException when failing to parse the document stream
 * @since 5.4M1
 */
public static LocalDocumentReference getReference(InputStream documentStream) throws XarException {
    XMLStreamReader xmlReader;
    try {
        xmlReader = XML_INPUT_FACTORY.createXMLStreamReader(documentStream);
    } catch (XMLStreamException e) {
        throw new XarException("Failed to create a XML read", e);
    }

    EntityReference reference = null;
    Locale locale = null;

    String legacySpace = null;
    String legacyPage = null;

    try {
        // <xwikidoc>

        xmlReader.nextTag();

        xmlReader.require(XMLStreamReader.START_ELEMENT, null, XarDocumentModel.ELEMENT_DOCUMENT);

        // Reference
        String referenceString = xmlReader.getAttributeValue(null,
                XarDocumentModel.ATTRIBUTE_DOCUMENT_REFERENCE);
        if (referenceString != null) {
            reference = RESOLVER.resolve(referenceString, EntityType.DOCUMENT);
        }

        // Locale
        String localeString = xmlReader.getAttributeValue(null, XarDocumentModel.ATTRIBUTE_DOCUMENT_LOCALE);
        if (localeString != null) {
            if (localeString.isEmpty()) {
                locale = Locale.ROOT;
            } else {
                locale = LocaleUtils.toLocale(localeString);
            }
        }

        // Legacy fallback
        if (reference == null || locale == null) {
            for (xmlReader.nextTag(); xmlReader.isStartElement(); xmlReader.nextTag()) {
                String elementName = xmlReader.getLocalName();

                if (XarDocumentModel.ELEMENT_NAME.equals(elementName)) {
                    if (reference == null) {
                        legacyPage = xmlReader.getElementText();

                        if (legacySpace != null && locale != null) {
                            break;
                        }
                    } else if (locale != null) {
                        break;
                    }
                } else if (XarDocumentModel.ELEMENT_SPACE.equals(elementName)) {
                    if (reference == null) {
                        legacySpace = xmlReader.getElementText();

                        if (legacyPage != null && locale != null) {
                            break;
                        }
                    } else if (locale != null) {
                        break;
                    }
                } else if (XarDocumentModel.ELEMENT_LOCALE.equals(elementName)) {
                    if (locale == null) {
                        String value = xmlReader.getElementText();
                        if (value.length() == 0) {
                            locale = Locale.ROOT;
                        } else {
                            locale = LocaleUtils.toLocale(value);
                        }
                    }

                    if (reference != null || (legacySpace != null && legacyPage != null)) {
                        break;
                    }
                } else {
                    StAXUtils.skipElement(xmlReader);
                }
            }
        }
    } catch (XMLStreamException e) {
        throw new XarException("Failed to parse document", e);
    } finally {
        try {
            xmlReader.close();
        } catch (XMLStreamException e) {
            throw new XarException("Failed to close XML reader", e);
        }
    }

    if (reference == null) {
        if (legacySpace == null) {
            throw new XarException("Missing space element");
        }
        if (legacyPage == null) {
            throw new XarException("Missing page element");
        }

        reference = new LocalDocumentReference(legacySpace, legacyPage);
    }

    if (locale == null) {
        throw new XarException("Missing locale element");
    }

    return new LocalDocumentReference(reference, locale);
}

From source file:savant.plugin.PluginIndex.java

public PluginIndex(URL url) throws IOException {
    urls = new HashMap<String, URL>();
    try {/*from  ww w  . j a v  a 2  s  .co  m*/
        XMLStreamReader reader = XMLInputFactory.newInstance()
                .createXMLStreamReader(NetworkUtils.openStream(url));
        boolean done = false;
        String id = null;
        do {
            switch (reader.next()) {
            case XMLStreamConstants.START_ELEMENT:
                String elemName = reader.getLocalName();
                if (elemName.equals("leaf")) {
                    id = reader.getAttributeValue(null, "id");
                } else if (elemName.equals("url")) {
                    if (id != null) {
                        try {
                            urls.put(id, new URL(reader.getElementText()));
                        } catch (MalformedURLException x) {
                            LOG.info("Unable to parse \"" + reader.getElementText() + "\" as a plugin URL.");
                        }
                        id = null;
                    }
                }
                break;
            case XMLStreamConstants.END_DOCUMENT:
                reader.close();
                done = true;
                break;
            }
        } while (!done);
    } catch (XMLStreamException x) {
        throw new IOException("Unable to get version number from web-site.", x);
    }
}

From source file:savant.plugin.Tool.java

/**
 * The tool's arguments are contained in the associated plugin.xml file.
 *//*from   w  w  w. j  a  v a  2  s  . c  om*/
void parseDescriptor() throws XMLStreamException, FileNotFoundException {
    XMLStreamReader reader = XMLInputFactory.newInstance()
            .createXMLStreamReader(new FileInputStream(getDescriptor().getFile()));
    do {
        switch (reader.next()) {
        case XMLStreamConstants.START_ELEMENT:
            String elemName = reader.getLocalName().toLowerCase();
            if (elemName.equals("tool")) {
                baseCommand = reader.getElementText();
            } else if (elemName.equals("arg")) {
                // There's lots of crud in the XML file; we're just interested in the <arg> elements.
                arguments.add(new ToolArgument(reader));
            } else if (elemName.equals("progress")) {
                progressRegex = Pattern.compile(reader.getElementText());
            } else if (elemName.equals("error")) {
                errorRegex = Pattern.compile(reader.getElementText());
            }
            break;
        case XMLStreamConstants.END_DOCUMENT:
            reader.close();
            reader = null;
            break;
        }
    } while (reader != null);
}

From source file:savant.util.Version.java

/**
 * Factory method which construct a Version object from a URL pointing to an XML file.
 * @param url URL of our version.xml file
 * @return the version number read from the file
 *//*from   www.  j av a2  s . c o  m*/
public static Version fromURL(URL url) throws IOException {
    try {
        XMLStreamReader reader = XMLInputFactory.newInstance()
                .createXMLStreamReader(NetworkUtils.openStream(url));
        boolean done = false;
        boolean foundCurrentVersion = false;
        do {
            switch (reader.next()) {
            case XMLStreamConstants.START_ELEMENT:
                String elemName = reader.getLocalName();
                if (elemName.equals("version")
                        && "current_release".equals(reader.getAttributeValue(null, "status"))) {
                    foundCurrentVersion = true;
                } else if (foundCurrentVersion && elemName.equals("name")) {
                    return new Version(reader.getElementText());
                } else {
                    foundCurrentVersion = false;
                }
                break;
            case XMLStreamConstants.END_DOCUMENT:
                reader.close();
                done = true;
                break;
            }
        } while (!done);
    } catch (XMLStreamException x) {
        throw new IOException("Unable to get version number from web-site.", x);
    }
    return null;
}

From source file:se.skl.skltpservices.npoadapter.mapper.AbstractMapper.java

protected void close(final XMLStreamReader reader) {
    try {/*from  w  w w .j a va 2  s  .  co m*/
        reader.close();
    } catch (XMLStreamException | NullPointerException e) {
        ;
    }
}