org.springframework.integration.xml.xpath

Class XPathUtils

java.lang.Object

org.springframework.integration.xml.xpath.XPathUtils

public final class XPathUtils
extends java.lang.Object

Utility class for 'xpath' support.

Since:

3.0

Author:

Artem Bilan

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	BOOLEAN
static java.lang.String	DOCUMENT_LIST
static java.lang.String	NODE
static java.lang.String	NODE_LIST
static java.lang.String	NUMBER
static java.lang.String	STRING

Method Summary

Methods

Modifier and Type	Method and Description
static <T> T	evaluate(java.lang.Object o, java.lang.String xpath, java.lang.Object... resultArg) Utility method to evaluate an xpath on the provided object.

Methods inherited from class java.lang.Object

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

Field Detail

STRING

public static final java.lang.String STRING

See Also:

Constant Field Values

BOOLEAN

public static final java.lang.String BOOLEAN

See Also:

Constant Field Values

NUMBER

public static final java.lang.String NUMBER

See Also:

Constant Field Values

NODE

public static final java.lang.String NODE

See Also:

Constant Field Values

NODE_LIST

public static final java.lang.String NODE_LIST

See Also:

Constant Field Values

DOCUMENT_LIST

public static final java.lang.String DOCUMENT_LIST

See Also:

Constant Field Values

Method Detail

evaluate

public static <T> T evaluate(java.lang.Object o,
             java.lang.String xpath,
             java.lang.Object... resultArg)

Utility method to evaluate an xpath on the provided object. Delegates evaluation to an XPathExpression. Note this method provides the #xpath() SpEL function.

Parameters:

o - the xml Object for evaluaton.

xpath - an 'xpath' expression String.

resultArg - an optional parameter to represent the result type of the xpath evaluation. Only one argument is allowed, which can be an instance of NodeMapper or one of these String constants: "string", "boolean", "number", "node" or "node_list".

Returns:

the result of the xpath expression evaluation.

Throws:

java.lang.IllegalArgumentException - - if the provided arguments aren't appropriate types or values;

MessagingException - - if the provided object can't be converted to a Node;

org.springframework.xml.xpath.XPathException - - if the xpath expression can't be evaluated.