Example usage for org.w3c.dom Element getElementsByTagName

List of usage examples for org.w3c.dom Element getElementsByTagName

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Introduction

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

Prototype

public NodeList getElementsByTagName(String name);

Source Link

Document

Returns a NodeList of all descendant Elements with a given tag name, in document order.

Usage

From source file:com.cloud.test.utils.UtilsForTest.java

public static Map<String, String> parseXML(InputStream is, String[] tagNames) {
    Map<String, String> returnValues = new HashMap<String, String>();
    try {//from   w  ww .j av  a2  s .c o m
        DocumentBuilder docBuilder = factory.newDocumentBuilder();
        Document doc = docBuilder.parse(is);
        Element rootElement = doc.getDocumentElement();

        for (int i = 0; i < tagNames.length; i++) {
            NodeList targetNodes = rootElement.getElementsByTagName(tagNames[i]);
            if (targetNodes.getLength() <= 0) {
                System.out.println("no " + tagNames[i] + " tag in the response");
                returnValues.put(tagNames[i], null);
            } else {
                returnValues.put(tagNames[i], targetNodes.item(0).getTextContent());
            }
        }
    } catch (Exception ex) {
        System.out.println("error processing XML");
        ex.printStackTrace();
    }
    return returnValues;
}

From source file:com.cloud.test.utils.UtilsForTest.java

public static Map<String, List<String>> getMultipleValuesFromXML(InputStream is, String[] tagNames) {
    Map<String, List<String>> returnValues = new HashMap<String, List<String>>();
    try {//from w  w w  . j a  v a  2  s . co m
        DocumentBuilder docBuilder = factory.newDocumentBuilder();
        Document doc = docBuilder.parse(is);
        Element rootElement = doc.getDocumentElement();
        for (int i = 0; i < tagNames.length; i++) {
            NodeList targetNodes = rootElement.getElementsByTagName(tagNames[i]);
            if (targetNodes.getLength() <= 0) {
                System.out.println("no " + tagNames[i] + " tag in XML response...returning null");
            } else {
                List<String> valueList = new ArrayList<String>();
                for (int j = 0; j < targetNodes.getLength(); j++) {
                    Node node = targetNodes.item(j);
                    valueList.add(node.getTextContent());
                }
                returnValues.put(tagNames[i], valueList);
            }
        }
    } catch (Exception ex) {
        System.out.println(ex);
    }
    return returnValues;
}

From source file:flink.iso8583.parse.ConfigParser.java

/** Reads the XML from the stream and configures the message factory with its values.
 * @param mfact The message factory to be configured with the values read from the XML.
 * @param stream The InputStream containing the XML configuration. */
protected static void parse(MessageFactory mfact, InputStream stream) throws IOException {
    final DocumentBuilderFactory docfact = DocumentBuilderFactory.newInstance();
    DocumentBuilder docb = null;// www  . jav  a 2 s .c  o m
    Document doc = null;
    try {
        docb = docfact.newDocumentBuilder();
        doc = docb.parse(stream);
    } catch (ParserConfigurationException ex) {
        log.error("Cannot parse XML configuration", ex);
        return;
    } catch (SAXException ex) {
        log.error("Parsing XML configuration", ex);
        return;
    }
    final Element root = doc.getDocumentElement();

    //Read the ISO headers
    NodeList nodes = root.getElementsByTagName("header");
    Element elem = null;
    for (int i = 0; i < nodes.getLength(); i++) {
        elem = (Element) nodes.item(i);
        int type = parseType(elem.getAttribute("type"));
        if (type == -1) {
            throw new IOException("Invalid type for header: " + elem.getAttribute("type"));
        }
        if (elem.getChildNodes() == null || elem.getChildNodes().getLength() == 0) {
            throw new IOException("Invalid header element");
        }
        String header = elem.getChildNodes().item(0).getNodeValue();
        if (log.isTraceEnabled()) {
            log.trace("Adding ISO header for type " + elem.getAttribute("type") + ": " + header);
        }
        mfact.setIsoHeader(type, header);
    }

    //Read the message templates
    nodes = root.getElementsByTagName("template");
    for (int i = 0; i < nodes.getLength(); i++) {
        elem = (Element) nodes.item(i);
        int type = parseType(elem.getAttribute("type"));
        if (type == -1) {
            throw new IOException("Invalid type for template: " + elem.getAttribute("type"));
        }
        NodeList fields = elem.getElementsByTagName("field");
        IsoMessage m = new IsoMessage();
        m.setType(type);
        for (int j = 0; j < fields.getLength(); j++) {
            Element f = (Element) fields.item(j);
            int num = Integer.parseInt(f.getAttribute("num"));
            IsoType itype = IsoType.valueOf(f.getAttribute("type"));
            int length = 0;
            if (f.getAttribute("length").length() > 0) {
                length = Integer.parseInt(f.getAttribute("length"));
            }
            String v = f.getChildNodes().item(0).getNodeValue();
            m.setValue(num, v, itype, length);
        }
        mfact.addMessageTemplate(m);
    }

    //Read the parsing guides
    nodes = root.getElementsByTagName("parse");
    for (int i = 0; i < nodes.getLength(); i++) {
        elem = (Element) nodes.item(i);
        int type = parseType(elem.getAttribute("type"));
        if (type == -1) {
            throw new IOException("Invalid type for parse guide: " + elem.getAttribute("type"));
        }
        NodeList fields = elem.getElementsByTagName("field");
        HashMap parseMap = new HashMap();
        for (int j = 0; j < fields.getLength(); j++) {
            Element f = (Element) fields.item(j);
            Integer num = new Integer(f.getAttribute("num"));
            IsoType itype = IsoType.valueOf(f.getAttribute("type"));
            int length = 0;
            if (f.getAttribute("length").length() > 0) {
                length = Integer.parseInt(f.getAttribute("length"));
            }
            parseMap.put(num, new FieldParseInfo(itype, length));
        }
        mfact.setParseMap(new Integer(type), parseMap);
    }

}

From source file:com.cloud.test.utils.UtilsForTest.java

public static ArrayList<HashMap<String, String>> parseMulXML(InputStream is, String[] tagNames) {
    ArrayList<HashMap<String, String>> returnValues = new ArrayList<HashMap<String, String>>();

    try {/*  w ww .  ja  v  a 2 s.  co  m*/
        DocumentBuilder docBuilder = factory.newDocumentBuilder();
        Document doc = docBuilder.parse(is);
        Element rootElement = doc.getDocumentElement();
        for (int i = 0; i < tagNames.length; i++) {
            NodeList targetNodes = rootElement.getElementsByTagName(tagNames[i]);
            if (targetNodes.getLength() <= 0) {
                System.out.println("no " + tagNames[i] + " tag in XML response...returning null");
            } else {
                for (int j = 0; j < targetNodes.getLength(); j++) {
                    HashMap<String, String> valueList = new HashMap<String, String>();
                    Node node = targetNodes.item(j);
                    //parse child nodes
                    NodeList child = node.getChildNodes();
                    for (int c = 0; c < node.getChildNodes().getLength(); c++) {
                        child.item(c).getNodeName();
                        valueList.put(child.item(c).getNodeName(), child.item(c).getTextContent());
                    }
                    returnValues.add(valueList);
                }

            }
        }
    } catch (Exception ex) {
        System.out.println(ex);
    }

    return returnValues;
}

From source file:com.cloud.hypervisor.kvm.resource.LibvirtDomainXMLParser.java

private static String getAttrValue(String tag, String attr, Element eElement) {
    NodeList tagNode = eElement.getElementsByTagName(tag);
    if (tagNode.getLength() == 0) {
        return null;
    }//  w  ww  .  j a v  a  2 s  .  com
    Element node = (Element) tagNode.item(0);
    return node.getAttribute(attr);
}

From source file:com.cloud.hypervisor.kvm.resource.LibvirtDomainXMLParser.java

private static String getTagValue(String tag, Element eElement) {
    NodeList tagNodeList = eElement.getElementsByTagName(tag);
    if (tagNodeList == null || tagNodeList.getLength() == 0) {
        return null;
    }/*from   www.j a  v a  2s .  c o  m*/

    NodeList nlList = tagNodeList.item(0).getChildNodes();

    Node nValue = nlList.item(0);

    return nValue.getNodeValue();
}

From source file:eu.stork.peps.configuration.ConfigurationReader.java

/**
 * Generate parameters.//  w  ww . j a v a  2  s  .c o m
 * 
 * @param configurationNode the configuration node
 * 
 * @return the map< string, string>
 */
private static Map<String, String> generateParam(final Element configurationNode) {

    final HashMap<String, String> parameters = new HashMap<String, String>();

    final NodeList parameterNodes = configurationNode.getElementsByTagName(NODE_PARAMETER);

    String parameterName;
    String parameterValue;

    for (int k = 0; k < parameterNodes.getLength(); ++k) {
        // for every parameter find, process.
        final Element parameterNode = (Element) parameterNodes.item(k);
        parameterName = parameterNode.getAttribute(NODE_PARAM_NAME);
        parameterValue = parameterNode.getAttribute(NODE_PARAM_VALUE);

        // verified the content.
        if (StringUtils.isBlank(parameterName) || StringUtils.isBlank(parameterValue)) {
            throw new STORKSAMLEngineRuntimeException("Error reader parameters (name - value).");
        } else {
            parameters.put(parameterName.trim(), parameterValue.trim());
        }
    }
    return parameters;
}

From source file:Main.java

/**
 * Find the xpath element under the given root. As the xpath requirement is very
 * simple, so we avoid using XPath API//from   ww  w.j  a  v a2 s  .c o  m
 * @param root - the root element that search begins
 * @param xpath - the path from the root
 * @return - the xpath defined element under the given root.
 */
public static Element findXPathElement(Element root, String xpath) {
    if (root == null)
        return null;
    if (xpath == null || xpath.trim().equals(""))
        return root;
    xpath = toRelativePath(xpath, root.getNodeName());
    StringTokenizer st = new StringTokenizer(xpath, "/", false);
    String sitem;
    Element item = root;
    NodeList list;

    boolean first = true;
    while (st.hasMoreTokens()) {
        sitem = st.nextToken();
        if (first && sitem.equals(item.getNodeName())) {
            first = false;
        } else {
            list = item.getElementsByTagName(sitem);
            if (list.getLength() < 1)
                return null;
            item = (Element) (list.item(0));
        }
    }

    return item;
}

From source file:de.itomig.itoplib.GetItopData.java

private static ArrayList<Organization> parseOrganizationDoc(Document doc) {
    // get the root elememt
    Element root = doc.getDocumentElement();
    NodeList items = root.getElementsByTagName("Organization");

    organizations.clear();//from  w w w. j  a  va  2  s.  c o  m
    for (int i = 0; i < items.getLength(); i++) {
        Node item = items.item(i);
        String org_id = ((Element) items.item(i)).getAttribute("id");
        NodeList properties = item.getChildNodes();
        String org_name = "";
        for (int j = 0; j < properties.getLength(); j++) {
            Node property = properties.item(j);
            String name = property.getNodeName();
            if (name.equalsIgnoreCase("name")) {
                org_name = getConcatNodeValues(property);
            }
        }
        // there should ALLWAYS be an id.

        int id;
        try {
            if (org_name != "") {
                id = Integer.parseInt(org_id);
                organizations.add(new Organization(id, org_name));
            } else {
                Log.e(TAG, "no name for org with id=" + org_id);
            }
        } catch (NumberFormatException e) {
            Log.e("TAG", "id of person not parseable");
        }
    }
    return organizations;
}

From source file:com.moadbus.banking.iso.core.protocol.ConfigParser.java

/**
 * Reads the XML from the stream and configures the message factory with its
 * values.//from  w  ww  .  j a  va  2s.  co m
 *
 * @param mfact
 *            The message factory to be configured with the values read from
 *            the XML.
 * @param stream
 *            The InputStream containing the XML configuration.
 */
protected static void parse(MessageFactory mfact, InputStream stream) throws IOException {
    final DocumentBuilderFactory docfact = DocumentBuilderFactory.newInstance();
    DocumentBuilder docb = null;
    Document doc = null;
    try {
        docb = docfact.newDocumentBuilder();
        doc = docb.parse(stream);
    } catch (ParserConfigurationException ex) {
        log.error("parse: Cannot parse XML configuration", ex);
        return;
    } catch (SAXException ex) {
        log.error("parse: Parsing XML configuration", ex);
        return;
    }
    final Element root = doc.getDocumentElement();

    // Read the ISO headers
    NodeList nodes = root.getElementsByTagName("header");
    Element elem = null;
    for (int i = 0; i < nodes.getLength(); i++) {
        elem = (Element) nodes.item(i);
        int type = parseType(elem.getAttribute("type"));
        if (type == -1) {
            throw new IOException("Invalid type for header: " + elem.getAttribute("type"));
        }
        if (elem.getChildNodes() == null || elem.getChildNodes().getLength() == 0) {
            throw new IOException("Invalid header element");
        }
        String header = elem.getChildNodes().item(0).getNodeValue();
        if (log.isTraceEnabled()) {
            log.trace("Adding ISO header for type " + elem.getAttribute("type") + ": " + header);
        }
        mfact.setIsoHeader(type, header);
    }

    // Read the message templates
    nodes = root.getElementsByTagName("template");
    for (int i = 0; i < nodes.getLength(); i++) {
        elem = (Element) nodes.item(i);
        int type = parseType(elem.getAttribute("type"));
        if (type == -1) {
            throw new IOException("Invalid type for template: " + elem.getAttribute("type"));
        }
        NodeList fields = elem.getElementsByTagName("field");
        IsoMessage m = new IsoMessage();
        m.setType(type);
        for (int j = 0; j < fields.getLength(); j++) {
            Element f = (Element) fields.item(j);
            int num = Integer.parseInt(f.getAttribute("num"));
            IsoType itype = IsoType.valueOf(f.getAttribute("type"));
            int length = 0;
            if (f.getAttribute("length").length() > 0) {
                length = Integer.parseInt(f.getAttribute("length"));
            }
            String v = f.getChildNodes().item(0).getNodeValue();
            m.setValue(num, v, itype, length);
        }
        mfact.addMessageTemplate(m);
    }

    // Read the parsing guides
    nodes = root.getElementsByTagName("parse");
    for (int i = 0; i < nodes.getLength(); i++) {
        elem = (Element) nodes.item(i);
        int type = parseType(elem.getAttribute("type"));
        if (type == -1) {
            throw new IOException("Invalid type for parse guide: " + elem.getAttribute("type"));
        }
        NodeList fields = elem.getElementsByTagName("field");
        HashMap<Integer, FieldParseInfo> parseMap = new HashMap<Integer, FieldParseInfo>();
        for (int j = 0; j < fields.getLength(); j++) {
            Element f = (Element) fields.item(j);
            int num = Integer.parseInt(f.getAttribute("num"));
            IsoType itype = IsoType.valueOf(f.getAttribute("type"));
            int length = 0;
            if (f.getAttribute("length").length() > 0) {
                length = Integer.parseInt(f.getAttribute("length"));
            }
            parseMap.put(num, new FieldParseInfo(itype, length));
        }
        mfact.setParseMap(type, parseMap);
    }

}