如何使用spring调用方法?
我想在使用spring创建bean之后调用一个方法,例如我创建了如何使用spring调用方法?,spring,methods,Spring,Methods,我想在使用spring创建bean之后调用一个方法,例如我创建了Factory和schema,但我想在创建schema bean之前调用Factory的相同方法 <!-- schemaFactory--> <bean id="schemaFact" class="javax.xml.validation.SchemaFactory" factory-method="newInstance"> <constructor-arg
Factory
和schema,但我想在创建schema bean之前调用Factory
的相同方法
<!-- schemaFactory-->
<bean id="schemaFact" class="javax.xml.validation.SchemaFactory"
factory-method="newInstance">
<constructor-arg value="http://www.w3.org/2001/XMLSchema" />
</bean>
<!-- schema -->
<bean id="schema" class="javax.xml.validation.Schema"
factory-bean="schemaFact" factory-method="newSchema">
<constructor-arg value="3DSecure.xsd" />
</bean>
如果您使用的是Spring 3.0/3.1,您可以利用Java配置:
@Configuration
class Config {
@Bean
public SchemaFactory schemaFact() throws SAXNotSupportedException, SAXNotRecognizedException {
final SchemaFactory schemaFactory = SchemaFactory.newInstance("http://www.w3.org/2001/XMLSchema");
schemaFactory.setFeature("apache.org/xml/features/validation/schema-full-checking", false);
return schemaFactory;
}
@Bean
public Schema schema() throws SAXException {
return schemaFact().newSchema(new File("3DSecure.xsd"));
}
}
但是您想调用SchemaFactory
上的哪个方法?似乎它们都是getter或setter,所以您可以使用普通的XML注入。。。或者创建自己的FactoryBean
:
class SchemaFactoryFactoryBean implements FactoryBean<SchemaFactory> {
@Override
public SchemaFactory getObject() throws Exception
{
final SchemaFactory schemaFactory = SchemaFactory.newInstance("http://www.w3.org/2001/XMLSchema");
schemaFactory.setFeature("apache.org/xml/features/validation/schema-full-checking", false);
return schemaFactory;
}
@Override
public Class<?> getObjectType()
{
return SchemaFactory.class;
}
@Override
public boolean isSingleton()
{
return true;
}
}
您可以使用自己的工厂bean而不是
javax.xml.validation.SchemaFactory
,它将委托给javax.xml.validation.SchemaFactory
,并调用该方法:
public class MySchemaFactory {
public SchemaFactory newInstance() {
SchemaFactory factory = SchemaFactory.newInstance();
factory.callSomeMethod();
return factory;
}
}
<bean id="mySchemaFactory" class="com.foo.bar.MySchemaFactory"/>
<bean id="schemaFact"
factory-bean="mySchemaFactory"
factory-method="newInstance"/>
公共类MySchemaFactory{
公共SchemaFactory newInstance(){
SchemaFactory工厂=SchemaFactory.newInstance();
factory.callsomethod();
返回工厂;
}
}
谢谢,我想调用setFeature(“,false”);但这不是财产!
public class MySchemaFactory {
public SchemaFactory newInstance() {
SchemaFactory factory = SchemaFactory.newInstance();
factory.callSomeMethod();
return factory;
}
}
<bean id="mySchemaFactory" class="com.foo.bar.MySchemaFactory"/>
<bean id="schemaFact"
factory-bean="mySchemaFactory"
factory-method="newInstance"/>