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Enabled metadata extraction in WCM.

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A set of extracters for different mimetypes can be activated across AVM land.
The XML extraction sample has been modified to be AVM-specific, and therefore
includes the necessary config to activate the metadata extraction in AVM.


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@6238 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Derek Hulley
2007-07-13 00:33:55 +00:00
parent 82841201e2
commit 44f6b94cff
2 changed files with 159 additions and 7 deletions
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149
config/alfresco/extension/wcm-xml-metadata-extracter-context.xml.sample Normal file
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<?xml version='1.0' encoding='UTF-8'?>
<!DOCTYPE beans PUBLIC '-//SPRING//DTD BEAN//EN' 'http://www.springframework.org/dtd/spring-beans.dtd'>
<!--
Sample configuration of a XmlMetadataExtracter in use within the WCM environment.
This show how XML metadata extraction can be set up to extract metadata from different
formats of XML. It also shows how metadata can be extracted in WCM projects.
Since: 2.1
Author: Derek Hulley
-->
<beans>
<!--
In order to limit the number of extractors active for Web Content Management, a separate registry
must be created for the extractors.
-->
<bean id="avmMetadataExtracterRegistry" class="org.alfresco.repo.content.metadata.MetadataExtracterRegistry" />
<!--
Configure the AVM services to broadcast the content update notifications.
-->
<bean id="avmNodeService" class="org.alfresco.repo.avm.AVMNodeService" init-method="init">
<property name="dictionaryService">
<ref bean="dictionaryService"/>
</property>
<property name="avmService">
<ref bean="avmLockingAwareService"/>
</property>
<property name="policyComponent">
<ref bean="policyComponent"/>
</property>
<property name="invokePolicies">
<value>true</value>
</property>
</bean>
<bean id="avmMetadataExtracter" class="org.alfresco.repo.avm.AvmMetadataExtracter" init-method="init">
<property name="policyComponent">
<ref bean="policyComponent"/>
</property>
<property name="extracterAction">
<bean class="org.alfresco.repo.action.executer.ContentMetadataExtracter" >
<property name="dictionaryService">
<ref bean="dictionaryService"/>
</property>
<property name="nodeService">
<ref bean="avmNodeService" />
</property>
<property name="contentService">
<ref bean="contentService" />
</property>
<property name="metadataExtracterRegistry">
<ref bean="avmMetadataExtracterRegistry" />
</property>
</bean>
</property>
</bean>
<!--
Configure an extractor that targets Alfresco Model XML files.
Although this inherits from the base extracter bean, the use of the 'init' method
means that it isn't automatically registered.
-->
<bean id="extracter.xml.sample.AlfrescoModelMetadataExtracter"
class="org.alfresco.repo.content.metadata.xml.XPathMetadataExtracter"
parent="baseMetadataExtracter"
init-method="init" >
<property name="mappingProperties">
<!--
The properties can also be specified using a properties file on the classpath, e.g.:
<bean class="org.springframework.beans.factory.config.PropertiesFactoryBean">
<property name="location">
<value>classpath:alfresco/extension/xml-metadata/AlfrescoModel-xpath-mappings.properties</value>
</property>
</bean>
-->
<bean class="org.springframework.beans.factory.config.PropertiesFactoryBean">
<property name="properties">
<props>
<prop key="namespace.prefix.cm">http://www.alfresco.org/model/content/1.0</prop>
<prop key="author">cm:author</prop>
<prop key="title">cm:title</prop>
<prop key="description">cm:description</prop>
</props>
</property>
</bean>
</property>
<property name="xpathMappingProperties">
<bean class="org.springframework.beans.factory.config.PropertiesFactoryBean">
<property name="properties">
<props>
<prop key="namespace.prefix.fm">http://www.alfresco.org/model/forum/1.0</prop>
<prop key="author">/model/author/text()</prop>
<prop key="title">/model/@name</prop>
<prop key="description">/model/description/text()</prop>
<prop key="version">/model/version/text()</prop>
</props>
</property>
</bean>
</property>
</bean>
<!--
This selector examines the XML documents, executing the given XPath statements until a
match is made.
-->
<bean
id="extracter.xml.sample.selector.XPathSelector"
class="org.alfresco.repo.content.selector.XPathContentWorkerSelector"
init-method="init">
<property name="workers">
<map>
<entry key="/my:test">
<null />
</entry>
<entry key="/model">
<ref bean="extracter.xml.sample.AlfrescoModelMetadataExtracter" />
</entry>
</map>
</property>
</bean>
<!--
This is the face of the XML metadata extraction. If passes the XML document to each of
the selectors, until one of them gives back a MetadataExtracter (via the selectors),
which is then used as normal to extract the values.
Note the use of the AVM-specific registry.
The overwrite policy of the embedded extracters has no effect. It is only this extractor's
policy that is used.
-->
<bean
id="extracter.xml.sample.XMLMetadataExtracter"
class="org.alfresco.repo.content.metadata.xml.XmlMetadataExtracter"
parent="baseMetadataExtracter">
<property name="registry">
<ref bean="avmMetadataExtracterRegistry" />
</property>
<property name="overwritePolicy">
<value>EAGER</value>
</property>
<property name="selectors">
<list>
<ref bean="extracter.xml.sample.selector.XPathSelector" />
</list>
</property>
</bean>
</beans>