edu.gmu.laits
Class XMLParser

java.lang.Object
  |
  +--edu.gmu.laits.XMLParser

All Implemented Interfaces:

java.io.Serializable

public class XMLParser

extends java.lang.Object

implements java.io.Serializable

See Also:

Serialized Form

Constructor Summary

XMLParser(java.io.InputStream ss)
constructor using input stream to initiate parser

XMLParser(java.lang.String fileName)
Constructor reading local file

XMLParser(java.net.URL url)
Constructor reading file from URL through get method

XMLParser(java.net.URL url, java.lang.String para)
constructor reading file from URL through post method

Method Summary

int	childCount(org.w3c.dom.Node node) To get child count of node
java.lang.String	getAttribute(org.w3c.dom.Node node, java.lang.String attName) To get specified attribute value
java.lang.String[]	getAttributes(org.w3c.dom.Node node) To get the values of node attributes
java.util.Vector	getChild(org.w3c.dom.Node parent) To get first level child nodes
java.util.Vector	getChild(org.w3c.dom.Node parent, java.lang.String sub_Name) To get first level child nodes whose name is specified
java.util.Vector	getChildValue(org.w3c.dom.Node parent, java.lang.String sub_Name) To get the values of first level child nodes whose name is specified
org.w3c.dom.Document	getDocument() To get Document
org.w3c.dom.Node	getNode(org.w3c.dom.Node node, java.lang.String nodeName) To get node whose name and parent are specified
org.w3c.dom.Node	getNode(java.lang.String nodeName) To get a node whose name is specified
java.util.Vector	getNodes(org.w3c.dom.Node parent, java.lang.String childName) To get nodes whose name and parent are specified
java.util.Vector	getNodes(java.lang.String nodeName) To get nodes whose names is the specified name
java.lang.String	getNodeValue(org.w3c.dom.Node node) If node is a leaf, then return its value, else return null
java.lang.String	getNodeValue(org.w3c.dom.Node node, boolean ignoreTag) If node is a leaf, then return its value, else return null
java.lang.String	getSimpleValue(org.w3c.dom.Node node, int n) all sub-elements value within this node are cancatered in a string
java.lang.String	getValue(org.w3c.dom.Node node, java.lang.String nodeName) To get specfied child node value
java.lang.String	getValue(org.w3c.dom.Node node, java.lang.String nodeName, boolean ignoreTag) To get specfied child node value
java.lang.String	getValue(java.lang.String nodeName) To get specified node value
java.util.Vector	getValues(org.w3c.dom.Node node, java.lang.String nodeName) To get the values of children whose parent is specified
java.util.Vector	getValues(java.lang.String nodeName) To get values of specified nodes
java.lang.String	ignoreNameSpace(java.lang.String s) Ignorre name space
boolean	isLeaf(org.w3c.dom.Node node) Leaf or not

Methods inherited from class java.lang.Object

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

Constructor Detail

XMLParser

public XMLParser(java.lang.String fileName)
          throws java.io.IOException

Constructor reading local file

Parameters:

fileName - local file name

Throws:

java.io.IOException

XMLParser

public XMLParser(java.net.URL url)
          throws java.lang.Exception

Constructor reading file from URL through get method

Parameters:

url - file URL

Throws:

java.lang.Exception

XMLParser

public XMLParser(java.net.URL url,
                 java.lang.String para)
          throws java.lang.Exception

constructor reading file from URL through post method

Parameters:

url - file URL

para - post string

Throws:

java.lang.Exception

XMLParser

public XMLParser(java.io.InputStream ss)
          throws java.lang.Exception

constructor using input stream to initiate parser

Parameters:

ss - input stream

Throws:

java.lang.Exception

Method Detail

getDocument

public org.w3c.dom.Document getDocument()

To get Document

Returns:

Document

childCount

public int childCount(org.w3c.dom.Node node)

To get child count of node

Parameters:

node - Node

Returns:

child count

isLeaf

public boolean isLeaf(org.w3c.dom.Node node)

Leaf or not

Parameters:

node - Node

Returns:

ture: leaf, flase: not leaf

getNodes

public java.util.Vector getNodes(java.lang.String nodeName)

To get nodes whose names is the specified name

Parameters:

nodeName - specified name

Returns:

vector containing nodes

getNodes

public java.util.Vector getNodes(org.w3c.dom.Node parent,
                                 java.lang.String childName)

To get nodes whose name and parent are specified

Parameters:

parent - parent node

childName - node name

Returns:

vector containing nodes

getNode

public org.w3c.dom.Node getNode(org.w3c.dom.Node node,
                                java.lang.String nodeName)

To get node whose name and parent are specified

Parameters:

node - parent node

nodeName - node name

Returns:

Node which is first satisfied the constraints

getNode

public org.w3c.dom.Node getNode(java.lang.String nodeName)

To get a node whose name is specified

Parameters:

nodeName - node name

Returns:

Node which is first satisfied the constraints

getChild

public java.util.Vector getChild(org.w3c.dom.Node parent)

To get first level child nodes

Parameters:

parent - parent node

Returns:

vector containing first level child nodes

getChild

public java.util.Vector getChild(org.w3c.dom.Node parent,
                                 java.lang.String sub_Name)

To get first level child nodes whose name is specified

Parameters:

parent - parent node

sub_Name - child node name

Returns:

vector containing child nodes

getChildValue

public java.util.Vector getChildValue(org.w3c.dom.Node parent,
                                      java.lang.String sub_Name)

To get the values of first level child nodes whose name is specified

Parameters:

parent - parent node

sub_Name - child node name

Returns:

vector contains child node value

getSimpleValue

public java.lang.String getSimpleValue(org.w3c.dom.Node node,
                                       int n)

all sub-elements value within this node are cancatered in a string

Parameters:

node - parent node

n - output format, generally is 0 at the beginning

Returns:

cancatered string

getNodeValue

public java.lang.String getNodeValue(org.w3c.dom.Node node)

If node is a leaf, then return its value, else return null

Parameters:

node - node

Returns:

node value

getNodeValue

public java.lang.String getNodeValue(org.w3c.dom.Node node,
                                     boolean ignoreTag)

If node is a leaf, then return its value, else return null

Parameters:

node - node

ignoreTag - true

Returns:

node value

getValue

public java.lang.String getValue(java.lang.String nodeName)

To get specified node value

Parameters:

nodeName - node name

Returns:

node value

getValue

public java.lang.String getValue(org.w3c.dom.Node node,
                                 java.lang.String nodeName)

To get specfied child node value

Parameters:

node - parent node

nodeName - child node name

Returns:

child node value

getValue

public java.lang.String getValue(org.w3c.dom.Node node,
                                 java.lang.String nodeName,
                                 boolean ignoreTag)

To get specfied child node value

Parameters:

node - parent node

nodeName - child node name

ignoreTag - true

Returns:

node value

getValues

public java.util.Vector getValues(org.w3c.dom.Node node,
                                  java.lang.String nodeName)

To get the values of children whose parent is specified

Parameters:

node - parent node

nodeName - children names

Returns:

vector contains the values of children

getValues

public java.util.Vector getValues(java.lang.String nodeName)

To get values of specified nodes

Parameters:

nodeName - node name

Returns:

vector containing values of nodes

getAttributes

public java.lang.String[] getAttributes(org.w3c.dom.Node node)

To get the values of node attributes

Parameters:

node - node

Returns:

values of attributes

getAttribute

public java.lang.String getAttribute(org.w3c.dom.Node node,
                                     java.lang.String attName)

To get specified attribute value

Parameters:

node - node

attName - attribute name

Returns:

attribute value

ignoreNameSpace

public java.lang.String ignoreNameSpace(java.lang.String s)

Ignorre name space

Parameters:

s - the name with name space

Returns:

the name without name space