com.amazonaws.util

クラス XpathUtils

java.lang.Object

com.amazonaws.util.XpathUtils

public class XpathUtils
extends java.lang.Object

Utility methods for extracting data from XML documents using Xpath expressions.

コンストラクタの概要

コンストラクタ

コンストラクタと説明
XpathUtils()

メソッドの概要

メソッド

修飾子とタイプ	メソッドと説明
static java.lang.Boolean	asBoolean(java.lang.String expression, org.w3c.dom.Node node) Evaluates the specified XPath expression and returns the result as a Boolean.
static java.lang.Byte	asByte(java.lang.String expression, org.w3c.dom.Node node) Evaluates the specified XPath expression and returns the result as a Byte.
static java.nio.ByteBuffer	asByteBuffer(java.lang.String expression, org.w3c.dom.Node node) Evaluates the specified xpath expression, base64 decodes the data and returns the result as a ByteBuffer.
static java.util.Date	asDate(java.lang.String expression, org.w3c.dom.Node node) Evaluates the specified XPath expression and returns the result as a Date.
static java.lang.Double	asDouble(java.lang.String expression, org.w3c.dom.Node node) Evaluates the specified XPath expression and returns the results as a Double.
static java.lang.Float	asFloat(java.lang.String expression, org.w3c.dom.Node node) Evaluates the specified XPath expression and returns the result as a Float.
static java.lang.Integer	asInteger(java.lang.String expression, org.w3c.dom.Node node) Evaluates the specified XPath expression and returns the result as an Integer.
static java.lang.Long	asLong(java.lang.String expression, org.w3c.dom.Node node) Evaluates the specified XPath expression and returns the result as a Long.
static org.w3c.dom.Node	asNode(java.lang.String nodeName, org.w3c.dom.Node node) Evaluates the specified XPath expression and returns the result as a Node.
static java.lang.String	asString(java.lang.String expression, org.w3c.dom.Node node) Evaluates the specified XPath expression and returns the result as a string.
static org.w3c.dom.Document	documentFrom(java.io.InputStream is)
static org.w3c.dom.Document	documentFrom(java.lang.String xml)
static org.w3c.dom.Document	documentFrom(java.net.URL url)
static boolean	isEmpty(org.w3c.dom.Node node) Returns true if the specified node is null or has no children.
static int	nodeLength(org.w3c.dom.NodeList list) Returns the length of the specified node list.

クラスから継承されたメソッド java.lang.Object

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

コンストラクタの詳細

XpathUtils

public XpathUtils()

メソッドの詳細

documentFrom

public static org.w3c.dom.Document documentFrom(java.io.InputStream is)
                                         throws org.xml.sax.SAXException,
                                                java.io.IOException,
                                                javax.xml.parsers.ParserConfigurationException

例外:

org.xml.sax.SAXException

java.io.IOException

javax.xml.parsers.ParserConfigurationException

documentFrom

public static org.w3c.dom.Document documentFrom(java.lang.String xml)
                                         throws org.xml.sax.SAXException,
                                                java.io.IOException,
                                                javax.xml.parsers.ParserConfigurationException

例外:

org.xml.sax.SAXException

java.io.IOException

javax.xml.parsers.ParserConfigurationException

documentFrom

public static org.w3c.dom.Document documentFrom(java.net.URL url)
                                         throws org.xml.sax.SAXException,
                                                java.io.IOException,
                                                javax.xml.parsers.ParserConfigurationException

例外:

org.xml.sax.SAXException

java.io.IOException

javax.xml.parsers.ParserConfigurationException

asDouble

public static java.lang.Double asDouble(java.lang.String expression,
                        org.w3c.dom.Node node)
                                 throws javax.xml.xpath.XPathExpressionException

Evaluates the specified XPath expression and returns the results as a Double.

パラメータ:

expression - The XPath expression to evaluate.

node - The node to run the expression on.

戻り値:

The Double result.

例外:

javax.xml.xpath.XPathExpressionException - If there was a problem processing the specified XPath expression.

asString

public static java.lang.String asString(java.lang.String expression,
                        org.w3c.dom.Node node)
                                 throws javax.xml.xpath.XPathExpressionException

Evaluates the specified XPath expression and returns the result as a string.

パラメータ:

expression - The XPath expression to evaluate.

node - The node to run the expression on.

戻り値:

The string result.

例外:

javax.xml.xpath.XPathExpressionException - If there was a problem processing the specified XPath expression.

asInteger

public static java.lang.Integer asInteger(java.lang.String expression,
                          org.w3c.dom.Node node)
                                   throws javax.xml.xpath.XPathExpressionException

Evaluates the specified XPath expression and returns the result as an Integer.

パラメータ:

expression - The XPath expression to evaluate.

node - The node to run the expression on.

戻り値:

The Integer result.

例外:

javax.xml.xpath.XPathExpressionException - If there was a problem processing the specified XPath expression.

asBoolean

public static java.lang.Boolean asBoolean(java.lang.String expression,
                          org.w3c.dom.Node node)
                                   throws javax.xml.xpath.XPathExpressionException

Evaluates the specified XPath expression and returns the result as a Boolean.

パラメータ:

expression - The XPath expression to evaluate.

node - The node to run the expression on.

戻り値:

The Boolean result.

例外:

javax.xml.xpath.XPathExpressionException - If there was a problem processing the specified XPath expression.

asFloat

public static java.lang.Float asFloat(java.lang.String expression,
                      org.w3c.dom.Node node)
                               throws javax.xml.xpath.XPathExpressionException

Evaluates the specified XPath expression and returns the result as a Float.

パラメータ:

expression - The XPath expression to evaluate.

node - The node to run the expression on.

戻り値:

The Float result.

例外:

javax.xml.xpath.XPathExpressionException - If there was a problem processing the specified XPath expression.

asLong

public static java.lang.Long asLong(java.lang.String expression,
                    org.w3c.dom.Node node)
                             throws javax.xml.xpath.XPathExpressionException

Evaluates the specified XPath expression and returns the result as a Long.

パラメータ:

expression - The XPath expression to evaluate.

node - The node to run the expression on.

戻り値:

The Long result.

例外:

javax.xml.xpath.XPathExpressionException - If there was a problem processing the specified XPath expression.

asByte

public static java.lang.Byte asByte(java.lang.String expression,
                    org.w3c.dom.Node node)
                             throws javax.xml.xpath.XPathExpressionException

Evaluates the specified XPath expression and returns the result as a Byte.

パラメータ:

expression - The XPath expression to evaluate.

node - The node to run the expression on.

戻り値:

The Byte result.

例外:

javax.xml.xpath.XPathExpressionException - If there was a problem processing the specified XPath expression.

asDate

public static java.util.Date asDate(java.lang.String expression,
                    org.w3c.dom.Node node)
                             throws javax.xml.xpath.XPathExpressionException

Evaluates the specified XPath expression and returns the result as a Date. Assumes that the node's text is formatted as an ISO 8601 date, as specified by xs:dateTime.

パラメータ:

expression - The XPath expression to evaluate.

node - The node to run the expression on.

戻り値:

The Date result.

例外:

javax.xml.xpath.XPathExpressionException - If there was a problem processing the specified XPath expression.

asByteBuffer

public static java.nio.ByteBuffer asByteBuffer(java.lang.String expression,
                               org.w3c.dom.Node node)
                                        throws javax.xml.xpath.XPathExpressionException

Evaluates the specified xpath expression, base64 decodes the data and returns the result as a ByteBuffer.

パラメータ:

expression - The Xpath expression to evaluate.

node - The node on which to evaluate the expression.

戻り値:

A ByteBuffer of base64 decoded data from the result of evaluating the specified Xpath expression.

例外:

javax.xml.xpath.XPathExpressionException - If there are any problems evaluating the Xpath expression.

isEmpty

public static boolean isEmpty(org.w3c.dom.Node node)

Returns true if the specified node is null or has no children.

パラメータ:

node - The node to test.

戻り値:

True if the specified node is null or has no children.

asNode

public static org.w3c.dom.Node asNode(java.lang.String nodeName,
                      org.w3c.dom.Node node)
                               throws javax.xml.xpath.XPathExpressionException

Evaluates the specified XPath expression and returns the result as a Node.

パラメータ:

nodeName - The XPath expression to evaluate.

node - The node to run the expression on.

戻り値:

The Node result.

例外:

javax.xml.xpath.XPathExpressionException - If there was a problem processing the specified XPath expression.

nodeLength

public static int nodeLength(org.w3c.dom.NodeList list)

Returns the length of the specified node list.

パラメータ:

list - The node list to measure.

戻り値:

The length of the specified node list.