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Spring makes it convenient to register resources and providers as spring beans.
Spring Context Loading. In order to load the Spring Context, it is necessary to add a Context Load Listener definition to the web.xml file. The contextConfigLocation context-param must specify the location of the Apache Wink core context file and the application context file, as described in the following example:
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<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:META-INF/server/symphonyCoreContext-server.xml
classpath:mycontext.xml
</param-value>
</context-param>
<listener>
<listener-class>
org.springframework.web.context.ContextLoaderListener
</listener-class>
</listener>
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For more information on Priorities refer to section 5.1 Registration and Configuration. |
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<bean class="com.hp.symphony.spring.Registrar">
<property name="classes">
<set value-type="java.lang.Class">
<value>package.className</value>
</set>
</property>
<property name="instances">
<set>
<ref bean="resources.resource1" />
<ref bean="resources.resource2" />
<ref bean="providers.provider1" />
</set>
</property>
</bean>
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Apache Wink provides a set of customizable properties. When working with Spring, the user should redefine the custom properties file using the Spring context:
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<bean id="customPropertiesFactory"
class="org.springframework.beans.factory.config.PropertiesFactoryBean">
<property name="locations">
<list>
<value>WEB-INF/configuration.properties</value>
</list>
</property>
</bean>
<bean id="customConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="ignoreUnresolvablePlaceholders" value="true" />
<property name="order" value="1" />
<property name="propertiesArray">
<list>
<props>
<prop key="symphony.propertiesFactory">customPropertiesFactory</prop>
</props>
</list>
</property>
</bean>
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| Info |
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Refer to chapter 3, section 3.7 TBD for more information on Media-Type Mapping. |
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<bean id="custom.MediaTypeMapper" class="com.hp.symphony.server.internal.MediaTypeMapper">
<property name="mappings">
<list>
<map>
<entry key="userAgentStartsWith" value="Mozilla/" />
<entry key="resultMediaType">
<util:constant static-field=" javax.ws.rs.core.MediaType.ATOM" />
</entry>
<entry key="typeToSend">
<util:constant static-field="javax.ws.rs.core.MediaType.TEXT_XML" />
</entry>
</map>
</list>
</property>
</bean>
<bean id="customConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="ignoreUnresolvablePlaceholders" value="true" />
<property name="order" value="1" />
<property name="propertiesArray">
<list>
<props>
<prop key="symphony.MediaTypeMapper">custom.MediaTypeMapper</prop>
</props>
</list>
</property>
</bean>
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The order is set to "1". This makes the customConfigurer run before the default Apache Wink configurer. |
* In addition, notice that ignoreUnresolvablePlaceholders must be set to true, otherwise the configurer will fail, since some unresolved properties can remain in the context.
Customizing Alternative Shortcuts
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The shortcuts are defined in a properties file. The shortcuts properties file is loaded in the same way that the configuration properties file is loaded.
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<bean id="custom.Shortcuts"
class="org.springframework.beans.factory.config.PropertiesFactoryBean">
<property name="locations">
<list>
<value>WEB-INF/shortcuts</value>
</list>
</property>
</bean>
<bean id="customConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="ignoreUnresolvablePlaceholders" value="true" />
<property name="order" value="1" />
<property name="propertiesArray">
<list>
<props>
<prop key="symphony.alternateShortcutsMap">custom.Shortcuts</prop>
</props>
</list>
</property>
</bean>
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