如何使用spring调用方法？

Question

我想在使用spring创建bean之后调用一个方法，例如，我创建了Factory和架构，但我想在创建架构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>

Answer 1

您可以使用自己的工厂bean而不是javax.xml.validation.SchemaFactory，后者将委托给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"/>