How to use

XPath

in

play.libs

public static Node selectNode(String path, Object node) {
  return selectNode(path, node, null);
}

/**
 * Select all nodes that are selected by this XPath expression. If multiple nodes match,
 * multiple nodes will be returned. Nodes will be returned in document-order,
 * @param path
 * @param node
 * @return
 */
public static NodeList selectNodes(String path, Object node) {
  return selectNodes(path, node, null);
}

/**
 * @param path the XPath to execute
 * @param node the node, node-set or Context object for evaluation. This value can be null.
 * @return the text of a node, or the value of an attribute
 */
public static String selectText(String path, Object node) {
  return selectText(path, node, null);
}

public static Node selectNode(String path, Object node, Map<String, String> namespaces) {
  try {
    XPathFactory factory = XPathFactory.newInstance();
    javax.xml.xpath.XPath xpath = factory.newXPath();
    
    if (namespaces != null) {
      PlayNamespaceContext nsContext = new PlayNamespaceContext();
      bindUnboundedNamespaces(nsContext, namespaces);
      xpath.setNamespaceContext(nsContext);
    }
    return (Node) xpath.evaluate(path, node, XPathConstants.NODE);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}

/**
 * Select all nodes that are selected by this XPath expression. If multiple nodes match, multiple nodes will be
 * returned. Nodes will be returned in document-order,
 * 
 * @param path
 *            Path expression
 * @param node
 *            The node object
 * @param namespaces
 *            Namespaces that need to be available in the xpath, where the key is the prefix and the value the
 *            namespace URI
 * @return Nodes in document-order
 */
@SuppressWarnings("unchecked")
public static List<Node> selectNodes(String path, Object node, Map<String, String> namespaces) {
  try {
    return getDOMXPath(path, namespaces).selectNodes(node);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}

public static Node selectNode(String path, Object node, Map<String, String> namespaces) {
  try {
    XPathFactory factory = XPathFactory.newInstance();
    javax.xml.xpath.XPath xpath = factory.newXPath();
    
    if (namespaces != null) {
      PlayNamespaceContext nsContext = new PlayNamespaceContext();
      bindUnboundedNamespaces(nsContext, namespaces);
      xpath.setNamespaceContext(nsContext);
    }
    return (Node) xpath.evaluate(path, node, XPathConstants.NODE);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}

/**
 * Return the text of a node, or the value of an attribute
 * 
 * @param path
 *            the XPath to execute
 * @param node
 *            the node, node-set or Context object for evaluation. This value can be null.
 * @param namespaces
 *            The name spaces
 * @return The text of a node
 */
public static String selectText(String path, Object node, Map<String, String> namespaces) {
  try {
    Node rnode = (Node) getDOMXPath(path, namespaces).selectSingleNode(node);
    if (rnode == null) {
      return null;
    }
    if (!(rnode instanceof Text)) {
      rnode = rnode.getFirstChild();
    }
    if (!(rnode instanceof Text)) {
      return null;
    }
    return ((Text) rnode).getData();
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}

public static Node selectNode(String path, Object node, Map<String, String> namespaces) {
  try {
    XPathFactory factory = XPathFactory.newInstance();
    javax.xml.xpath.XPath xpath = factory.newXPath();
    
    if (namespaces != null) {
      SimpleNamespaceContext nsContext = new SimpleNamespaceContext();
      bindUnboundedNamespaces(nsContext, namespaces);
      xpath.setNamespaceContext(nsContext);
    }
    return (Node) xpath.evaluate(path, node, XPathConstants.NODE);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}

/**
 * Select all nodes that are selected by this XPath expression. If multiple nodes match,
 * multiple nodes will be returned. Nodes will be returned in document-order,
 * @param path the xpath expression
 * @param node the starting node
 * @return result of evaluating the xpath expression against node
 */
public static NodeList selectNodes(String path, Object node) {
  return selectNodes(path, node, null);
}

/**
 * Return the text of a node, or the value of an attribute
 * @param path the XPath to execute
 * @param node the node, node-set or Context object for evaluation. This value can be null.
 */
public static String selectText(String path, Object node) {
  return selectText(path, node, null);
}

public static Node selectNode(String path, Object node) {
  return selectNode(path, node, null);
}

public static Node selectNode(String path, Object node, Map<String, String> namespaces) {
  try {
    XPathFactory factory = XPathFactory.newInstance();
    javax.xml.xpath.XPath xpath = factory.newXPath();
    
    if (namespaces != null) {
      SimpleNamespaceContext nsContext = new SimpleNamespaceContext();
      bindUnboundedNamespaces(nsContext, namespaces);
      xpath.setNamespaceContext(nsContext);
    }
    return (Node) xpath.evaluate(path, node, XPathConstants.NODE);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}

/**
 * Select all nodes that are selected by this XPath expression. If multiple nodes match,
 * multiple nodes will be returned. Nodes will be returned in document-order,
 * @param path the xpath expression
 * @param node the starting node
 * @return result of evaluating the xpath expression against node
 */
public static NodeList selectNodes(String path, Object node) {
  return selectNodes(path, node, null);
}

/**
 * @param path the XPath to execute
 * @param node the node, node-set or Context object for evaluation. This value can be null.
 * @return the text of a node, or the value of an attribute
 */
public static String selectText(String path, Object node) {
  return selectText(path, node, null);
}

public static Node selectNode(String path, Object node) {
  return selectNode(path, node, null);
}

public static Node selectNode(String path, Object node, Map<String, String> namespaces) {
  try {
    XPathFactory factory = XPathFactory.newInstance();
    javax.xml.xpath.XPath xpath = factory.newXPath();
    
    if (namespaces != null) {
      PlayNamespaceContext nsContext = new PlayNamespaceContext();
      bindUnboundedNamespaces(nsContext, namespaces);
      xpath.setNamespaceContext(nsContext);
    }
    return (Node) xpath.evaluate(path, node, XPathConstants.NODE);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}

/**
 * Select all nodes that are selected by this XPath expression. If multiple nodes match,
 * multiple nodes will be returned. Nodes will be returned in document-order,
 * @param path
 * @param node
 * @return
 */
public static NodeList selectNodes(String path, Object node) {
  return selectNodes(path, node, null);
}

/**
 * @param path the XPath to execute
 * @param node the node, node-set or Context object for evaluation. This value can be null.
 * @return the text of a node, or the value of an attribute
 */
public static String selectText(String path, Object node) {
  return selectText(path, node, null);
}

public static Node selectNode(String path, Object node) {
  return selectNode(path, node, null);
}

/**
 * Return the text of a node, or the value of an attribute
 * @param path the XPath to execute
 * @param node the node, node-set or Context object for evaluation. This value can be null.
 */
public static String selectText(String path, Object node, Map<String, String> namespaces) {
  try {
    XPathFactory factory = XPathFactory.newInstance();
    javax.xml.xpath.XPath xpath = factory.newXPath();
    if (namespaces != null) {
      SimpleNamespaceContext nsContext = new SimpleNamespaceContext();
      bindUnboundedNamespaces(nsContext, namespaces);
      xpath.setNamespaceContext(nsContext);
    }
    return (String) xpath.evaluate(path, node, XPathConstants.STRING);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}