org.jdom2.xpath.jaxen

类 JDOMXPath

java.lang.Object

org.jdom2.xpath.XPath

org.jdom2.xpath.jaxen.JDOMXPath

所有已实现的接口:

java.io.Serializable

已过时。

replaced by compiled version.

@Deprecated
public class JDOMXPath
extends XPath

A concrete XPath implementation for Jaxen. This class must be public because the main JDOM XPath class needs to access the class, and the constructor. The generic type of the returned values from this XPath instance.

作者:

Laurent Bihanic

另请参阅:

序列化表格

字段概要

从类继承的字段 org.jdom2.xpath.XPath

JDOM_OBJECT_MODEL_URI

构造器概要

构造器

构造器和说明
JDOMXPath(java.lang.String expr) 已过时。 Creates a new XPath wrapper object, compiling the specified XPath expression.

方法概要

限定符和类型	方法和说明
void	addNamespace(Namespace namespace) 已过时。 Adds a namespace definition to the list of namespaces known of this XPath expression.
java.lang.String	getXPath() 已过时。 Returns the wrapped XPath expression as a string.
java.lang.Number	numberValueOf(java.lang.Object context) 已过时。 Returns the number value of the first item selected by applying the wrapped XPath expression to the given context.
java.util.List<?>	selectNodes(java.lang.Object context) 已过时。 Evaluates the wrapped XPath expression and returns the list of selected items.
java.lang.Object	selectSingleNode(java.lang.Object context) 已过时。 Evaluates the wrapped XPath expression and returns the first entry in the list of selected nodes (or atomics).
void	setVariable(java.lang.String name, java.lang.Object value) 已过时。 Defines an XPath variable and sets its value.
java.lang.String	toString() 已过时。
java.lang.String	valueOf(java.lang.Object context) 已过时。 Returns the string value of the first node selected by applying the wrapped XPath expression to the given context.

从类继承的方法 org.jdom2.xpath.XPath

addNamespace, newInstance, selectNodes, selectSingleNode, setXPathClass

从类继承的方法 java.lang.Object

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

构造器详细资料

JDOMXPath

public JDOMXPath(java.lang.String expr)
          throws JDOMException

已过时。

Creates a new XPath wrapper object, compiling the specified XPath expression.

参数:

expr - the XPath expression to wrap.

抛出:

JDOMException - if the XPath expression is invalid.

方法详细资料

selectNodes

public java.util.List<?> selectNodes(java.lang.Object context)
                              throws JDOMException

已过时。

Evaluates the wrapped XPath expression and returns the list of selected items.

指定者:

selectNodes 在类中 XPath

参数:

context - the node to use as context for evaluating the XPath expression.

返回:

the list of selected items, which may be of types: Element , Attribute, Text, CDATA, Comment , ProcessingInstruction, Boolean, Double, or String.

抛出:

JDOMException - if the evaluation of the XPath expression on the specified context failed.

selectSingleNode

public java.lang.Object selectSingleNode(java.lang.Object context)
                                  throws JDOMException

已过时。

Evaluates the wrapped XPath expression and returns the first entry in the list of selected nodes (or atomics).

指定者:

selectSingleNode 在类中 XPath

参数:

context - the node to use as context for evaluating the XPath expression.

返回:

the first selected item, which may be of types: Element, Attribute, Text, CDATA, Comment, ProcessingInstruction, Boolean, Double, String, or null if no item was selected.

抛出:

JDOMException - if the evaluation of the XPath expression on the specified context failed.

valueOf

public java.lang.String valueOf(java.lang.Object context)
                         throws JDOMException

已过时。

Returns the string value of the first node selected by applying the wrapped XPath expression to the given context.

指定者:

valueOf 在类中 XPath

参数:

context - the element to use as context for evaluating the XPath expression.

返回:

the string value of the first node selected by applying the wrapped XPath expression to the given context.

抛出:

JDOMException - if the XPath expression is invalid or its evaluation on the specified context failed.

numberValueOf

public java.lang.Number numberValueOf(java.lang.Object context)
                               throws JDOMException

已过时。

Returns the number value of the first item selected by applying the wrapped XPath expression to the given context.

指定者:

numberValueOf 在类中 XPath

参数:

context - the element to use as context for evaluating the XPath expression.

返回:

the number value of the first item selected by applying the wrapped XPath expression to the given context, null if no node was selected or the special value Double.NaN (Not-a-Number) if the selected value can not be converted into a number value.

抛出:

JDOMException - if the XPath expression is invalid or its evaluation on the specified context failed.

setVariable

public void setVariable(java.lang.String name,
                        java.lang.Object value)
                 throws java.lang.IllegalArgumentException

已过时。

Defines an XPath variable and sets its value.

指定者:

setVariable 在类中 XPath

参数:

name - the variable name.

value - the variable value.

抛出:

java.lang.IllegalArgumentException - if name is not a valid XPath variable name or if the value type is not supported by the underlying implementation

addNamespace

public void addNamespace(Namespace namespace)

已过时。

Adds a namespace definition to the list of namespaces known of this XPath expression.

Note: In XPath, there is no such thing as a 'default namespace'. The empty prefix always resolves to the empty namespace URI.

指定者:

addNamespace 在类中 XPath

参数:

namespace - the namespace.

getXPath

public java.lang.String getXPath()

已过时。

Returns the wrapped XPath expression as a string.

指定者:

getXPath 在类中 XPath

返回:

the wrapped XPath expression as a string.

toString

public java.lang.String toString()

已过时。

覆盖:

toString 在类中 java.lang.Object