genDevs.devsBridge
Class XMLHelper

java.lang.Object
  genDevs.devsBridge.XMLHelper

public class XMLHelper
extends java.lang.Object

Field Summary

protected static javax.xml.parsers.DocumentBuilder	docBuilder
static javax.xml.transform.dom.DOMSource	domSource
static javax.xml.transform.stream.StreamResult	streamResult
static javax.xml.transform.Transformer	transformer
protected static javax.xml.xpath.XPath	xPath

Constructor Summary

XMLHelper()

Method Summary

static void	applyModelInit(DOMInitModelOperations model, org.w3c.dom.Node node, java.lang.String path, java.lang.String scenario) Applies the given scenario and inherited scenario xml descriptions to a model.
static void	applyModelParameters(DOMInitModelOperations model, org.w3c.dom.Node node, java.lang.String path, java.lang.String scenario) Applies the given scenario and inherited scenario xml descriptions to a model.
static org.w3c.dom.Document	buildDocument(java.lang.String xml) Builds a document from given xml Fragment.
static double	evalXPathDouble(java.lang.Object docOrNode, java.lang.String expr) Extracts the double-Value from Document for given expression.
static org.w3c.dom.Node	evalXPathNode(java.lang.Object docOrNode, java.lang.String expr) Extracts the Node from Document for given expression.
static java.lang.String	evalXPathString(java.lang.Object docOrNode, java.lang.String expr) Extracts the String-Value from Document for given expression.
static void	main(java.lang.String[] args)
static java.lang.String	serializeChildren(org.w3c.dom.Node node) Represents the child-Nodes of given nodes as xml-String.
static void	serializeChildren(org.w3c.dom.Node node, java.io.Writer writer)
static java.lang.String	serializeNode(org.w3c.dom.Node node) Represents the child-Nodes of given nodes as xml-String.
static void	serializeNode(org.w3c.dom.Node node, java.io.Writer writer)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

docBuilder

protected static javax.xml.parsers.DocumentBuilder docBuilder

xPath

protected static javax.xml.xpath.XPath xPath

domSource

public static javax.xml.transform.dom.DOMSource domSource

streamResult

public static javax.xml.transform.stream.StreamResult streamResult

transformer

public static javax.xml.transform.Transformer transformer

Constructor Detail

XMLHelper

public XMLHelper()

Method Detail

main

public static void main(java.lang.String[] args)

Parameters:

args -

buildDocument

public static org.w3c.dom.Document buildDocument(java.lang.String xml)
                                          throws java.lang.Exception

Builds a document from given xml Fragment. Needs to be wrapped by a root element.

Parameters:

xml - String

Returns:

DOM.Document

Throws:

java.lang.Exception - if parsing the document failed

evalXPathDouble

public static double evalXPathDouble(java.lang.Object docOrNode,
                                     java.lang.String expr)
                              throws javax.xml.xpath.XPathExpressionException

Extracts the double-Value from Document for given expression.

Parameters:

docOrNode - Document or Node to extract value from

expr - the XPath expression

Returns:

extracted value

Throws:

XPathExpressionException, - if expression is wrong or was not found

javax.xml.xpath.XPathExpressionException

evalXPathString

public static java.lang.String evalXPathString(java.lang.Object docOrNode,
                                               java.lang.String expr)
                                        throws javax.xml.xpath.XPathExpressionException

Extracts the String-Value from Document for given expression.

Parameters:

docOrNode - Document or Node to extract value from

expr - the XPath expression

Returns:

extracted value

Throws:

XPathExpressionException, - if expression is wrong or was not found

javax.xml.xpath.XPathExpressionException

evalXPathNode

public static org.w3c.dom.Node evalXPathNode(java.lang.Object docOrNode,
                                             java.lang.String expr)
                                      throws javax.xml.xpath.XPathExpressionException

Extracts the Node from Document for given expression.

Parameters:

docOrNode - Document or Node to extract value from

expr - the XPath expression

Returns:

extracted value

Throws:

XPathExpressionException, - if expression is wrong or was not found

javax.xml.xpath.XPathExpressionException

serializeNode

public static java.lang.String serializeNode(org.w3c.dom.Node node)
                                      throws javax.xml.transform.TransformerConfigurationException,
                                             javax.xml.transform.TransformerException

Represents the child-Nodes of given nodes as xml-String.

Parameters:

node - the node to serialize.

Returns:

the Children as String

Throws:

javax.xml.transform.TransformerConfigurationException

javax.xml.transform.TransformerException

serializeChildren

public static java.lang.String serializeChildren(org.w3c.dom.Node node)
                                          throws javax.xml.transform.TransformerConfigurationException,
                                                 javax.xml.transform.TransformerException

Represents the child-Nodes of given nodes as xml-String.

Parameters:

node - the node to serialize.

Returns:

the Children as String

Throws:

javax.xml.transform.TransformerConfigurationException

javax.xml.transform.TransformerException

serializeChildren

public static void serializeChildren(org.w3c.dom.Node node,
                                     java.io.Writer writer)
                              throws javax.xml.transform.TransformerConfigurationException,
                                     javax.xml.transform.TransformerException

Throws:

javax.xml.transform.TransformerConfigurationException

javax.xml.transform.TransformerException

serializeNode

public static void serializeNode(org.w3c.dom.Node node,
                                 java.io.Writer writer)
                          throws javax.xml.transform.TransformerConfigurationException,
                                 javax.xml.transform.TransformerException

Throws:

javax.xml.transform.TransformerConfigurationException

javax.xml.transform.TransformerException

applyModelParameters

public static void applyModelParameters(DOMInitModelOperations model,
                                        org.w3c.dom.Node node,
                                        java.lang.String path,
                                        java.lang.String scenario)
                                 throws devsBridge.DevsCorbaException

Applies the given scenario and inherited scenario xml descriptions to a model. "\n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + "\n" + ""; Document doc = XMLHelper.buildDocument(params); XMLHelper.applyModelParameters( model, doc.getDocumentElement(), "submodel", "default");

Parameters:

model - The model, thats parameters to be set.

node - The DOM-representation of the parameters.

path - The XPath to the descendants holding the different scenarios

scenario - The value of the scenario-Attribute to select among the different descendants (empty to just get the first)

Throws:

devsBridge.DevsCorbaException

applyModelInit

public static void applyModelInit(DOMInitModelOperations model,
                                  org.w3c.dom.Node node,
                                  java.lang.String path,
                                  java.lang.String scenario)
                           throws devsBridge.DevsCorbaException

Applies the given scenario and inherited scenario xml descriptions to a model. "\n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + "\n" + ""; Document doc = XMLHelper.buildDocument(params); XMLHelper.applyModelParameters( model, doc.getDocumentElement(), "submodel", "default");

Parameters:

model - The model, thats state is to be initialized.

node - The DOM-representation of the State description.

path - The XPath to the descendants holding the different scenarios

scenario - The value of the scenario-Attribute to select among the different descendants (empty to just get the first)

Throws:

devsBridge.DevsCorbaException