Example usage for org.w3c.dom Element hasChildNodes

Introduction

In this page you can find the example usage for org.w3c.dom Element hasChildNodes.

Prototype

public boolean hasChildNodes();

Source Link

Document

Returns whether this node has any children.

Usage

From source file:com.digitalpebble.stormcrawler.filtering.regex.RegexURLNormalizer.java

private List<Rule> readConfiguration(Reader reader) {
    List<Rule> rules = new ArrayList<>();
    try {/*  w ww.  ja  va 2  s.  c o  m*/

        // borrowed heavily from code in Configuration.java
        Document doc = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(new InputSource(reader));
        Element root = doc.getDocumentElement();
        if ((!"regex-normalize".equals(root.getTagName())) && (LOG.isErrorEnabled())) {
            LOG.error("bad conf file: top-level element not <regex-normalize>");
        }
        NodeList regexes = root.getChildNodes();
        for (int i = 0; i < regexes.getLength(); i++) {
            Node regexNode = regexes.item(i);
            if (!(regexNode instanceof Element)) {
                continue;
            }
            Element regex = (Element) regexNode;
            if ((!"regex".equals(regex.getTagName())) && (LOG.isWarnEnabled())) {
                LOG.warn("bad conf file: element not <regex>");
            }
            NodeList fields = regex.getChildNodes();
            String patternValue = null;
            String subValue = null;
            for (int j = 0; j < fields.getLength(); j++) {
                Node fieldNode = fields.item(j);
                if (!(fieldNode instanceof Element)) {
                    continue;
                }
                Element field = (Element) fieldNode;
                if ("pattern".equals(field.getTagName()) && field.hasChildNodes()) {
                    patternValue = ((Text) field.getFirstChild()).getData();
                }
                if ("substitution".equals(field.getTagName()) && field.hasChildNodes()) {
                    subValue = ((Text) field.getFirstChild()).getData();
                }
                if (!field.hasChildNodes()) {
                    subValue = "";
                }
            }
            if (patternValue != null && subValue != null) {
                Rule rule = createRule(patternValue, subValue);
                rules.add(rule);
            }
        }
    } catch (Exception e) {
        LOG.error("error parsing conf file", e);
        return EMPTY_RULES;
    }
    if (rules.size() == 0) {
        return EMPTY_RULES;
    }
    return rules;
}

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From source file:de.elbe5.base.data.XmlData.java

public String getText(Element node) {
    if (node.hasChildNodes()) {
        Node child = node.getFirstChild();
        while (child != null) {
            if (child.getNodeType() == Node.TEXT_NODE) {
                return child.getNodeValue();
            }//from w  ww. j a v a 2s .c  om
            child = child.getNextSibling();
        }
    }
    return "";
}

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From source file:org.openhmis.oauth2.OAuth2Utils.java

public void parseXMLDoc(Element element, Document doc, Map<String, String> oauthResponse) {
    NodeList child = null;//from   w  w w.  j  a v  a 2 s .c  o m
    if (element == null) {
        child = doc.getChildNodes();

    } else {
        child = element.getChildNodes();
    }
    for (int j = 0; j < child.getLength(); j++) {
        if (child.item(j).getNodeType() == org.w3c.dom.Node.ELEMENT_NODE) {
            org.w3c.dom.Element childElement = (org.w3c.dom.Element) child.item(j);
            if (childElement.hasChildNodes()) {
                System.out.println(childElement.getTagName() + " : " + childElement.getTextContent());
                oauthResponse.put(childElement.getTagName(), childElement.getTextContent());
                parseXMLDoc(childElement, null, oauthResponse);
            }

        }
    }
}

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From source file:org.jboss.seam.spring.namespace.CdiBeanImportBeanDefinitionParser.java

@Override
public AbstractBeanDefinition parseInternal(Element element, ParserContext parserContext) {
    BeanDefinitionBuilder cdiBeanFactoryBuilder = BeanDefinitionBuilder
            .rootBeanDefinition(FACTORY_BEAN_CLASS_NAME);
    String beanManagerReference = element.getAttribute(BEAN_MANAGER_REFERENCE);
    if (StringUtils.hasText(beanManagerReference)) {
        cdiBeanFactoryBuilder.addPropertyReference("beanManager", beanManagerReference);
    } else {/*from   w  ww.  ja  v a2s .c o m*/
        cdiBeanFactoryBuilder.addPropertyReference("beanManager", DEFAULT_BEAN_MANAGER_ID);
    }

    String name = element.getAttribute(NAME_ATTRIBUTE);

    String type = element.getAttribute("type");

    if (!StringUtils.hasText(name) && !StringUtils.hasText(type)) {
        parserContext.getReaderContext()
                .error("A CDI bean reference must specify at least a name or the bean type", element);
    }

    ArrayList<Qualifier> qualifiers = new ArrayList<Qualifier>();

    NodeList children = element.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node childNode = children.item(i);
        if (childNode.getNodeType() == Node.ELEMENT_NODE && "qualifier".equals(childNode.getLocalName())) {
            Element qualifierElement = (Element) childNode;
            Qualifier qualifier = new Qualifier();
            Map<String, Object> attributes = new HashMap<String, Object>();
            qualifier.setClassName(qualifierElement.getAttribute("type"));

            if (qualifierElement.hasChildNodes()) {
                NodeList attributeNodes = qualifierElement.getChildNodes();
                for (int j = 0; j < attributeNodes.getLength(); j++) {
                    Node attributeNode = attributeNodes.item(j);
                    if (attributeNode.getNodeType() == Node.ELEMENT_NODE
                            && "attribute".equals(attributeNode.getLocalName())) {
                        Element attributeElement = (Element) attributeNode;
                        String attributeName = attributeElement.getAttribute("name");
                        String attributeValue = attributeElement.getAttribute("value");
                        if (!StringUtils.hasText(attributeName) || !StringUtils.hasText(attributeValue)) {
                            parserContext.getReaderContext().error(
                                    "Qualifier attributes must have both a name and a value", attributeElement);
                        }
                        attributes.put(attributeName, attributeValue);
                    }
                }
            }
            qualifier.setAttributes(attributes);
            qualifiers.add(qualifier);
        }
    }
    if (StringUtils.hasText(name) && !qualifiers.isEmpty()) {
        parserContext.getReaderContext()
                .error("A bean reference must either specify a name or qualifiers but not both", element);
    }

    BeanDefinitionBuilder lookupBuilder = BeanDefinitionBuilder
            .rootBeanDefinition(TYPE_SAFE_BEAN_LOOKUP_CLASS_NAME);
    lookupBuilder.addConstructorArgValue(type);
    lookupBuilder.addPropertyValue("qualifiers", qualifiers);
    AbstractBeanDefinition lookupBeanDefinition = lookupBuilder.getBeanDefinition();
    String lookupBeanName = parserContext.getReaderContext().generateBeanName(lookupBeanDefinition);
    BeanDefinitionReaderUtils.registerBeanDefinition(
            new BeanDefinitionHolder(lookupBeanDefinition, lookupBeanName), parserContext.getRegistry());
    cdiBeanFactoryBuilder.addPropertyReference("cdiBeanLookup", lookupBeanName);

    return cdiBeanFactoryBuilder.getBeanDefinition();
}

---

From source file:de.elbe5.base.data.XmlData.java

public List<Element> getChildElements(Element parent) {
    ArrayList<Element> list = new ArrayList<>();
    if (parent.hasChildNodes()) {
        NodeList childNodes = parent.getChildNodes();
        for (int i = 0; i < childNodes.getLength(); i++) {
            Node node = childNodes.item(i);
            if (node instanceof Element)
                list.add((Element) node);
        }//from  w w  w .  ja v  a 2s .c  om
    }
    return list;
}

---

From source file:com.alfaariss.oa.util.configuration.ConfigurationManager.java

private synchronized Element getSubSection(Element eRootSection, String sSectionType) {
    assert eRootSection != null : "Suplied root section is empty";

    if (eRootSection.hasChildNodes()) {
        Node nTemp = eRootSection.getFirstChild();
        while (nTemp != null) {
            if (nTemp.getNodeType() == Node.ELEMENT_NODE && nTemp.getNodeName().equals(sSectionType)) {
                return (Element) nTemp;
            }/* w  ww.  j av  a 2 s.c o  m*/
            nTemp = nTemp.getNextSibling();
        }
    }
    return null;
}

---

From source file:com.krawler.esp.utils.ConfigReader.java

private void loadResource(Properties properties, Object name, boolean quietFail) {
    try {//from w  ww . j a  v a  2 s.co m
        DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
        Document doc = null;

        if (name instanceof String) { // a CLASSPATH resource
            String path = getResourceAsString((String) name);
            LOG.debug("Path is " + path);
            if (path != null) {
                doc = builder.parse(path);
            }
        } else if (name instanceof File) { // a file resource
            File file = (File) name;
            if (file.exists()) {
                doc = builder.parse(file);
            }
        }

        if (doc == null) {
            if (quietFail)
                return;
            throw new RuntimeException(name + " not found");
        }

        Element root = doc.getDocumentElement();
        if (!"krawler-conf".equals(root.getTagName()))
            System.err.print("bad conf file: top-level element not <krawler-conf>");
        NodeList props = root.getChildNodes();
        for (int i = 0; i < props.getLength(); i++) {
            Node propNode = props.item(i);
            if (!(propNode instanceof Element))
                continue;
            Element prop = (Element) propNode;
            if (!"property".equals(prop.getTagName()))
                System.err.print("bad conf file: element not <property>");
            NodeList fields = prop.getChildNodes();
            String attr = null;
            String value = null;
            for (int j = 0; j < fields.getLength(); j++) {
                Node fieldNode = fields.item(j);
                if (!(fieldNode instanceof Element))
                    continue;
                Element field = (Element) fieldNode;
                if ("name".equals(field.getTagName()))
                    attr = ((Text) field.getFirstChild()).getData();
                if ("value".equals(field.getTagName()) && field.hasChildNodes())
                    value = ((Text) field.getFirstChild()).getData();
            }
            if (attr != null && value != null)
                properties.setProperty(attr, value);
        }

    } catch (Exception e) {
        System.err.print("error parsing conf file: " + e);
        throw new RuntimeException(e);
    }

}

---

From source file:com.redhat.rcm.maven.plugin.buildmetadata.io.SdocBuilder.java

private void createTagsElement(final Element docRoot) {
    final Element tags = document.createElement("tags");
    final String tagsString = buildMetaDataProperties.getProperty(Constant.PROP_NAME_PROJECT_TAGS);
    renderList(tags, "tag", tagsString);
    if (tags.hasChildNodes()) {
        docRoot.appendChild(tags);/*from   w w w . ja  v  a 2s .co  m*/
    }
}

---

From source file:com.msopentech.odatajclient.engine.data.AbstractODataBinder.java

protected PropertyType guessPropertyType(final Element property) {
    PropertyType res = null;//from w w  w  .ja v  a 2 s  .com

    if (property.hasChildNodes()) {
        final NodeList children = property.getChildNodes();

        for (int i = 0; res == null && i < children.getLength(); i++) {
            final Node child = children.item(i);

            if (child.getNodeType() == Node.ELEMENT_NODE
                    && !child.getNodeName().startsWith(ODataConstants.PREFIX_GML)) {

                res = ODataConstants.ELEM_ELEMENT.equals(XMLUtils.getSimpleName(child))
                        ? PropertyType.COLLECTION
                        : PropertyType.COMPLEX;
            }
        }
    } else {
        res = PropertyType.EMPTY;
    }

    if (res == null) {
        res = PropertyType.PRIMITIVE;
    }

    return res;
}

---

From source file:com.redhat.rcm.maven.plugin.buildmetadata.io.SdocBuilder.java

private void createMavenElement(final Element runtime) {
    final Element parent = document.createElement("maven");
    createContentElement(GI_VERSION, Constant.PROP_NAME_MAVEN_VERSION, parent);

    createContentElement("commandline", Constant.PROP_NAME_MAVEN_CMDLINE, parent);
    createContentElement("execution-project", Constant.PROP_NAME_MAVEN_EXECUTION_PROJECT, parent);
    createContentElement("is-excution-root", Constant.PROP_NAME_MAVEN_IS_EXECUTION_ROOT, parent);

    final Element goals = document.createElement("goals");
    final String goalsString = buildMetaDataProperties.getProperty(Constant.PROP_NAME_MAVEN_GOALS);
    renderList(goals, "goal", goalsString);
    parent.appendChild(goals);//from   w ww .j a v  a  2  s.c om

    final Element filters = document.createElement("filters");
    final String filtersString = buildMetaDataProperties.getProperty(Constant.PROP_NAME_MAVEN_FILTERS);
    renderFiles(filters, "filter", filtersString);
    if (filters.hasChildNodes()) {
        parent.appendChild(filters);
    }

    final Element profiles = document.createElement("profiles");
    final String profilesString = buildMetaDataProperties.getProperty(Constant.PROP_NAME_MAVEN_ACTIVE_PROFILES);
    if (StringUtils.isNotBlank(profilesString)) {
        renderProfiles(profiles, profilesString);
        parent.appendChild(profiles);
    }

    createContentElement("options", Constant.PROP_NAME_MAVEN_OPTS, parent);
    if (parent.hasChildNodes()) {
        runtime.appendChild(parent);
    }
}

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