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java.lang.Objectorg.apache.avalon.framework.logger.AbstractLogEnabled
org.apache.excalibur.xml.xpath.AbstractProcessorImpl
org.apache.excalibur.xml.xpath.JaxenProcessorImpl
public final class JaxenProcessorImpl
This class defines the implementation of the XPathProcessor
component.
To configure it, add the following lines in the
<xpath-processor class="org.apache.cocoon.components.xpath.JaxenProcessorImpl"> </xpath-processor>
Nested Class Summary | |
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private static class |
JaxenProcessorImpl.JaxenResolver
A Jaxen-specific wrapper for the PrefixResolver. |
Field Summary |
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Fields inherited from interface org.apache.excalibur.xml.xpath.XPathProcessor |
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ROLE |
Constructor Summary | |
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JaxenProcessorImpl()
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Method Summary | |
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boolean |
evaluateAsBoolean(org.w3c.dom.Node contextNode,
java.lang.String str,
PrefixResolver resolver)
Evaluate XPath expression within a context. |
java.lang.Number |
evaluateAsNumber(org.w3c.dom.Node contextNode,
java.lang.String str,
PrefixResolver resolver)
Evaluate XPath expression within a context. |
java.lang.String |
evaluateAsString(org.w3c.dom.Node contextNode,
java.lang.String str,
PrefixResolver resolver)
Evaluate XPath expression within a context. |
org.w3c.dom.NodeList |
selectNodeList(org.w3c.dom.Node contextNode,
java.lang.String str,
PrefixResolver resolver)
Use an XPath string to select a nodelist. |
org.w3c.dom.Node |
selectSingleNode(org.w3c.dom.Node contextNode,
java.lang.String str,
PrefixResolver resolver)
Use an XPath string to select a single node. |
Methods inherited from class org.apache.excalibur.xml.xpath.AbstractProcessorImpl |
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configure, evaluateAsBoolean, evaluateAsNumber, evaluateAsString, prefixToNamespace, selectNodeList, selectSingleNode |
Methods inherited from class org.apache.avalon.framework.logger.AbstractLogEnabled |
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enableLogging, getLogger, setupLogger, setupLogger, setupLogger |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public JaxenProcessorImpl()
Method Detail |
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public boolean evaluateAsBoolean(org.w3c.dom.Node contextNode, java.lang.String str, PrefixResolver resolver)
evaluateAsBoolean
in interface XPathProcessor
evaluateAsBoolean
in class AbstractProcessorImpl
contextNode
- The context node.str
- A valid XPath string.resolver
- a PrefixResolver, used for resolving namespace prefixes
public java.lang.Number evaluateAsNumber(org.w3c.dom.Node contextNode, java.lang.String str, PrefixResolver resolver)
evaluateAsNumber
in interface XPathProcessor
evaluateAsNumber
in class AbstractProcessorImpl
contextNode
- The context node.str
- A valid XPath string.resolver
- a PrefixResolver, used for resolving namespace prefixes
public java.lang.String evaluateAsString(org.w3c.dom.Node contextNode, java.lang.String str, PrefixResolver resolver)
evaluateAsString
in interface XPathProcessor
evaluateAsString
in class AbstractProcessorImpl
contextNode
- The context node.str
- A valid XPath string.resolver
- a PrefixResolver, used for resolving namespace prefixes
public org.w3c.dom.Node selectSingleNode(org.w3c.dom.Node contextNode, java.lang.String str, PrefixResolver resolver)
selectSingleNode
in interface XPathProcessor
selectSingleNode
in class AbstractProcessorImpl
contextNode
- The node to start searching from.str
- A valid XPath string.resolver
- a PrefixResolver, used for resolving namespace prefixes
public org.w3c.dom.NodeList selectNodeList(org.w3c.dom.Node contextNode, java.lang.String str, PrefixResolver resolver)
selectNodeList
in interface XPathProcessor
selectNodeList
in class AbstractProcessorImpl
contextNode
- The node to start searching from.str
- A valid XPath string.resolver
- a PrefixResolver, used for resolving namespace prefixes
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