Example usage for org.w3c.dom Attr getValue

Introduction

In this page you can find the example usage for org.w3c.dom Attr getValue.

Prototype

public String getValue();

Source Link

Document

On retrieval, the value of the attribute is returned as a string.

Usage

From source file:Main.java

/**
 * Get attribute value.//from  ww w . j  a v  a  2 s  .  c om
 * 
 * @param element an Element object.
 * @param namespace a namespace.
 * @param attrName a name of an attribute
 * @return the attribute value.
 */
public static String getAttributeValueNS(Element element, String namespace, String attrName) {
    String attrValue = null;
    Attr attr = null;

    // Get the attribute using its name
    if ((attr = element.getAttributeNodeNS(namespace, attrName)) != null) {
        attrValue = attr.getValue().trim();
    }

    // Return attribute value
    return attrValue;
}

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From source file:Main.java

/**
 * Get attribute value with the given name defined for the specified element.
 * /*  ww  w .j  a  v a 2 s  . c  o m*/
 * @param element an Element object.
 * @param attrName a name of an attribute
 * @return the attribute value.
 */
public static String getAttributeValue(Element element, String attrName) {
    String attrValue = null;
    Attr attr = null;

    // Get the attribute using its name
    if ((attr = element.getAttributeNode(attrName)) != null) {
        attrValue = attr.getValue().trim();
    }

    // Return attribute value
    return attrValue;
}

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From source file:DOMCopy.java

private static void outputElement(Element node, String indent) {
        System.out.print(indent + "<" + node.getTagName());
        NamedNodeMap nm = node.getAttributes();
        for (int i = 0; i < nm.getLength(); i++) {
            Attr attr = (Attr) nm.item(i);
            System.out.print(" " + attr.getName() + "=\"" + attr.getValue() + "\"");
        }//from   ww  w  .j  ava  2s . c o  m
        System.out.println(">");
        NodeList list = node.getChildNodes();
        for (int i = 0; i < list.getLength(); i++)
            outputloop(list.item(i), indent + TAB);
        System.out.println(indent + "</" + node.getTagName() + ">");
    }

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From source file:MainClass.java

static void listNodes(Node node, String indent) {
    String nodeName = node.getNodeName();
    System.out.println(indent + " Node: " + nodeName);
    short type = node.getNodeType();
    System.out.println(indent + " Node Type: " + nodeType(type));
    if (type == TEXT_NODE) {
        System.out.println(indent + " Content is: " + ((Text) node).getWholeText());
    } else if (node.hasAttributes()) {
        System.out.println(indent + " Element Attributes are:");
        NamedNodeMap attrs = node.getAttributes();
        for (int i = 0; i < attrs.getLength(); i++) {
            Attr attribute = (Attr) attrs.item(i);
            System.out.println(indent + " " + attribute.getName() + " = " + attribute.getValue());
        }//from ww  w.  j  a va  2 s  .co m
    }

    NodeList list = node.getChildNodes();
    if (list.getLength() > 0) {
        System.out.println(indent + " Child Nodes of " + nodeName + " are:");
        for (int i = 0; i < list.getLength(); i++) {
            listNodes(list.item(i), indent + "  ");
        }
    }
}

---

From source file:Main.java

protected static void writeXMLwalkTree(Node node, int indent, PrintWriter out) {
    if (node == null)
        throw new NullPointerException("Null node passed to writeXMLwalkTree()");
    if (node.hasChildNodes()) {
        if (node instanceof Element) {
            Element elem = (Element) node;
            //elem.normalize();
            out.print("\n");
            for (int j = 0; j < indent; j++) {
                out.print(" ");
            }// w w w . ja  va  2 s  .c o  m
            out.print("<" + elem.getTagName());
            NamedNodeMap attrs = elem.getAttributes();
            for (int i = 0; i < attrs.getLength(); i++) {
                Attr a = (Attr) attrs.item(i);
                out.print(" " + a.getName() + "=\"" + a.getValue() + "\"");
            }
            out.print(">");
            NodeList nl = node.getChildNodes();
            for (int i = 0; i < nl.getLength(); i++) {
                writeXMLwalkTree(nl.item(i), indent + 2, out);
            }
            //              for(int j=0;j<indent;j++) {
            //                  out.print(" ");
            //              }
            out.println("</" + elem.getTagName() + ">");
        }
    } else {
        if (node instanceof Element) {
            Element elem = (Element) node;
            out.print("\n");
            for (int j = 0; j < indent; j++) {
                out.print(" ");
            }
            out.print("<" + elem.getTagName());
            NamedNodeMap attrs = elem.getAttributes();
            for (int i = 0; i < attrs.getLength(); i++) {
                Attr a = (Attr) attrs.item(i);
                out.print(" " + a.getName() + "=\"" + a.getValue() + "\"");
            }
            out.println("/>");
        } else if (node instanceof CDATASection) {
            CDATASection cdata = (CDATASection) node;
            //              for(int j=0;j<indent;j++) {
            //                  out.print(" ");
            //              }
            out.print("<![CDATA[" + cdata.getData() + "]]>");
        } else if (node instanceof Text) {
            Text text = (Text) node;
            StringBuilder buf = new StringBuilder(text.getData().length());
            for (int i = 0; i < text.getData().length(); i++) {
                if (text.getData().charAt(i) == '\n' || text.getData().charAt(i) == '\r'
                        || text.getData().charAt(i) == ' ' || text.getData().charAt(i) == '\t') {
                    if (buf.length() > 0 && buf.charAt(buf.length() - 1) != ' ') {
                        buf.append(' ');
                    }
                } else {
                    buf.append(text.getData().charAt(i));
                }
            }
            if (buf.length() > 0 && !buf.toString().equals(" ")) {
                StringBuilder buf2 = new StringBuilder(buf.length() + indent);
                //                  for(int j=0;j<indent;j++) {
                //                      buf2.append(' ');
                //                  }
                buf2.append(buf.toString());
                out.print(buf2);
            }
        }
    }
}

---

From source file:Main.java

public static String getText(Element rootElem, String[] path) {
    NodeList nodes = rootElem.getElementsByTagName(path[0]);
    if (nodes == null || nodes.getLength() < 1) {
        // failsafe if first item is @attribute identifier
        // then read attribute value from rootElement.
        boolean isAttrText = path[0].charAt(0) == '@';
        if (!isAttrText)
            return null;
        Attr attr = rootElem.getAttributeNode(path[0].substring(1));
        return (attr != null ? attr.getValue() : null);
    }/*from w w  w.java 2  s .c o  m*/
    Element element = (Element) nodes.item(0);
    return getText(element, path, 1);
}

---

From source file:Main.java

/** Takes XML node and prints to String.
 *
 * @param node Element to print to String
 * @return XML node as String/*from www .  ja v a  2  s.c  om*/
 */
private static void printNode(StringBuffer sBuffer, Node node) {
    if (node.getNodeType() == Node.TEXT_NODE) {
        sBuffer.append(encodeXMLText(node.getNodeValue().trim()));
    } else if (node.getNodeType() == Node.CDATA_SECTION_NODE) {
        sBuffer.append("<![CDATA[");
        sBuffer.append(node.getNodeValue());
        sBuffer.append("]]>");
    } else if (node.getNodeType() == Node.ELEMENT_NODE) {
        Element el = (Element) node;

        sBuffer.append("<").append(el.getTagName());

        NamedNodeMap attribs = el.getAttributes();

        for (int i = 0; i < attribs.getLength(); i++) {
            Attr nextAtt = (Attr) attribs.item(i);
            sBuffer.append(" ").append(nextAtt.getName()).append("=\"").append(nextAtt.getValue()).append("\"");
        }

        NodeList nodes = node.getChildNodes();

        if (nodes.getLength() == 0) {
            sBuffer.append("/>");
        } else {
            sBuffer.append(">");

            for (int i = 0; i < nodes.getLength(); i++) {
                printNode(sBuffer, nodes.item(i));
            }

            sBuffer.append("</").append(el.getTagName()).append(">");
        }
    }
}

---

From source file:Main.java

public static void collectNamespaces(Node node, Map namespaces, Map prefixes) {
    if (node == null) {
        throw new IllegalArgumentException("nullArgument: node");
        //                    i18n.getMessage("nullArgument", "node"));
    }/*from   w ww  .j  a v a  2 s.c o m*/
    if (namespaces == null) {
        throw new IllegalArgumentException("nullArgument: namespace");
        //                    i18n.getMessage("nullArgument", "namespaces"));
    }
    if (prefixes == null) {
        prefixes = new HashMap();
    }
    NamedNodeMap attributes = node.getAttributes();
    if (attributes != null) {
        for (int i = 0; i < attributes.getLength(); i++) {
            Attr attr = (Attr) attributes.item(i);
            String name = attr.getName();
            String value = attr.getValue();
            if (name.startsWith("xmlns:")) {
                if (namespaces.get(value) == null) {
                    // ns not defined
                    if (prefixes.get(name) != null) {
                        // find unique prefix
                        int j = 1;
                        do {
                            name = "xmlns:ns" + j++;
                        } while (prefixes.get(name) != null);
                    }
                    prefixes.put(name, value);
                    namespaces.put(value, name);
                }
            }
        }
    }
    NodeList children = node.getChildNodes();
    if (children != null) {
        for (int i = 0; i < children.getLength(); i++) {
            Node child = children.item(i);
            if (child.getNodeType() == Node.ELEMENT_NODE) {
                collectNamespaces(child, namespaces, prefixes);
            }
        }
    }
}

---

From source file:Main.java

private static void attributize(Element root) {
    NamedNodeMap attributeMap = root.getAttributes();
    for (int i = 0; i < attributeMap.getLength(); i++) {
        org.w3c.dom.Attr attr = (Attr) attributeMap.item(i);

        Element attrElement = root.getOwnerDocument().createElement(attr.getName());
        attrElement.setTextContent(attr.getValue());
        root.appendChild(attrElement);/* ww  w  . j  a  va  2 s  .co  m*/
    }

    NodeList children = root.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        if (children.item(i) instanceof Element) {
            attributize((Element) children.item(i));
        }
    }
}

---

From source file:Main.java

/**
 * Get textvalue from path or attribute. This is 
 * called by other getText() methods. Endusers usually
 * should not call this directly./*from   ww  w  .  ja v  a 2s  . c  om*/
 * @param element
 * @param path
 * @param pathOffset
 * @return
 */
public static String getText(Element element, String[] path, int pathOffset) {
    int len = path.length;
    boolean isAttrText = path[len - 1].charAt(0) == '@';
    if (isAttrText)
        len--; // last item is @attribute identifier

    // start path from given offset index
    for (int i = pathOffset; i < len; i++) {
        if (element == null)
            return null;
        NodeList nodes = element.getElementsByTagName(path[i]);
        element = (Element) nodes.item(0);
    }

    if (isAttrText) {
        if (element == null)
            return null;
        Attr attr = element.getAttributeNode(path[len].substring(1));
        return (attr != null ? attr.getValue() : null);
    } else {
        return getSimpleText(element);
    }
}

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