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org.apache.cocoon.components.source.impl
Class XPathSourceInspector

java.lang.Object
  org.apache.avalon.framework.logger.AbstractLogEnabled
      org.apache.cocoon.components.source.impl.XPathSourceInspector

All Implemented Interfaces:

Component, LogEnabled, Parameterizable, Serviceable, ThreadSafe, SourceInspector

public class XPathSourceInspector
extends AbstractLogEnabled
implements SourceInspector, Serviceable, Parameterizable, ThreadSafe

This source inspector inspects XML files with a xpath expression.

Version:

$Id: XPathSourceInspector.html 1304258 2012-03-23 10:09:27Z ilgrosso $

Field Summary

static String	DEFAULT_PROPERTY_NAME The default property name exposed by this SourceInspector.
static String	DEFAULT_PROPERTY_NS The default namespace uri of the property exposed by this SourceInspector.

Fields inherited from interface org.apache.cocoon.components.source.SourceInspector

ROLE

Constructor Summary

XPathSourceInspector()

Method Summary

SourceProperty[]	getSourceProperties(Source source) Gets all the SourceProperties associated with the given Source.
SourceProperty	getSourceProperty(Source source, String namespace, String name) Gets the SourceProperty associated with the given Source identified by the requested namespace and name.
SourceValidity	getValidity(Source source) Returns NOPValidity
boolean	handlesProperty(String namespace, String name) Check if this inspector handles the property of the given type.
void	parameterize(Parameters params)
void	service(ServiceManager manager)

Methods inherited from class org.apache.avalon.framework.logger.AbstractLogEnabled

enableLogging, getLogger, setupLogger, setupLogger, setupLogger

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_PROPERTY_NS

public static final String DEFAULT_PROPERTY_NS

The default namespace uri of the property exposed by this SourceInspector.

The value is http://apache.org/cocoon/inspector/xpath/1.0.

See Also:

Constant Field Values

DEFAULT_PROPERTY_NAME

public static final String DEFAULT_PROPERTY_NAME

The default property name exposed by this SourceInspector.

The value is result .

See Also:

Constant Field Values

Constructor Detail

XPathSourceInspector

public XPathSourceInspector()

Method Detail

service

public void service(ServiceManager manager)

Specified by:

service in interface Serviceable

parameterize

public void parameterize(Parameters params)
                  throws ParameterException

Specified by:

parameterize in interface Parameterizable

Throws:

ParameterException

getSourceProperty

public SourceProperty getSourceProperty(Source source,
                                        String namespace,
                                        String name)
                                 throws SourceException

Description copied from interface: SourceInspector

Gets the SourceProperty associated with the given Source identified by the requested namespace and name.

Specified by:

getSourceProperty in interface SourceInspector

Parameters:

source - the source for which to compute the property

namespace - the namespace of the property

name - the name of the property

Returns:

the SourceProperty associated with the Source, null if the inspector does not provide this property.

Throws:

SourceException

getSourceProperties

public SourceProperty[] getSourceProperties(Source source)
                                     throws SourceException

Description copied from interface: SourceInspector

Gets all the SourceProperties associated with the given Source.

Specified by:

getSourceProperties in interface SourceInspector

Parameters:

source - the Source for wich to compute the property.

Returns:

the collection of all SourceProperties that could be computed by this SourceInspector.

Throws:

SourceException

handlesProperty

public boolean handlesProperty(String namespace,
                               String name)

Description copied from interface: SourceInspector

Check if this inspector handles the property of the given type.

Specified by:

handlesProperty in interface SourceInspector

Parameters:

namespace - the namespace of the property

name - the name of the property

Returns:

true if this inspector handles properties of the given type else false.

getValidity

public SourceValidity getValidity(Source source)

Returns NOPValidity

Specified by:

getValidity in interface SourceInspector

Parameters:

source - the Source for which to calculate the validity its properties, null if the source properties are not cacheable.