Add system properties through spring XML configuration.

If you want to set system properties through XML configuration, here is a solution (inspired by this question):

Use two MethodInvokingFactorybeans, one to statically access System.getProperties() and one to call properties.putAll(map) on these properties. Here’s the configuration:

<bean
    class="org.springframework.beans.factory.config.MethodInvokingFactoryBean">
    <property
        name="targetObject">
        <!-- System.getProperties() -->
        <bean
            class="org.springframework.beans.factory.config.MethodInvokingFactoryBean">
            <property name="targetClass" value="java.lang.System" />
            <property name="targetMethod" value="getProperties" />
        </bean>
    </property>
    <property
        name="targetMethod"
        value="putAll" />
    <property
        name="arguments">
        <!-- The new Properties -->
        <util:properties>
            <prop
                key="my.key">myvalue</prop>
            <prop
                key="my.key2">myvalue2</prop>
            <prop
                key="my.key3">myvalue3</prop>

        </util:properties>
    </property>
</bean>

Of course I am not saying this is a best practice (far from it). But it’s probably the easiest way to add system properties using XML only.

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2 Responses to Add system properties through spring XML configuration.

  1. springer says:

    Just pasted the code as-is ; getting an error “The prefix “util” for element “util:properties” is not bound.” . Is util a custom namespace? . I’m using Spring 3.0.6.

    Thanks,
    springer

    • mostlymagic says:

      It’s one of the standard Spring namespaces, but you have to activate it:

      <?xml version="1.0" encoding="UTF-8"?>
      <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xmlns:util="http://www.springframework.org/schema/util"
      xsi:schemaLocation="
      http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
      http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-3.0.xsd">
      <!-- define beans here -->
      </beans>

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