WebWork2与SpringFramework集成之实例篇（原创）(5-2)

package web;
 
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
 
import bus.PriceIncrease;
import bus.ProductManager;
 
import com.opensymphony.xwork.ActionSupport;
 
public class PriceIncreaseFormAction extends ActionSupport {
    
    /** Logger for this class and subclasses */
    protected final Log logger = LogFactory.getLog(getClass());
 
    private ProductManager prodMan;
    private PriceIncrease priceIncrease;
 
    public String execute() throws Exception {
        
        int increase = getPriceIncrease().getPercentage();
        logger.info("Increasing prices by " + increase + "%.");
 
        prodMan.increasePrice(increase);
 
       return SUCCESS;
}
    
    public ProductManager getProdMan() {
        return prodMan;
    }
 
    public void setProdMan(ProductManager prodMan) {
        this.prodMan = prodMan;
    }
 
    public PriceIncrease getPriceIncrease() {
        return priceIncrease;
    }
 
    public void setPriceIncrease(PriceIncrease priceIncrease) {
        this.priceIncrease = priceIncrease;
    }
}

        <action name="priceIncrease" 
            class="web.PriceIncreaseFormAction">
            <external-ref name="prodMan">prodMan</external-ref>
            <result name="input" type="velocity">
                <param name="location">/WEB-INF/template/priceincrease.vm</param>
            </result>
<!--
            <result name="input" type="dispatcher">
                <param name="location">/WEB-INF/jsp/priceincrease.jsp</param>
            </result>
-->             
                <result name="success" type="chain">
                       <param name="actionName">springapp</param>
                </result>
                <interceptor-ref name="externalValidationWorkflowStack" />
        </action>

        <interceptors>
            <interceptor name="reference-resolver" 
                class="com.opensymphony.xwork.interceptor.ExternalReferencesInterceptor"/>
            <interceptor-stack name="externalStack">
                <interceptor-ref name="reference-resolver"/>
                <interceptor-ref name="defaultStack"/>
            </interceptor-stack>
            <interceptor-stack name="externalValidationWorkflowStack">
                <interceptor-ref name="reference-resolver"/>
              <interceptor-ref name="validationWorkflowStack" />
            </interceptor-stack>
        </interceptors>

<validators>
    <validator name="required" class="com.opensymphony.xwork.validator.validators.RequiredFieldValidator"/>
    <validator name="requiredstring" class="com.opensymphony.webwork.validators.JavaScriptRequiredStringValidator"/>
    <validator name="int" class="com.opensymphony.webwork.validators.JavaScriptIntRangeFieldValidator"/>
    <validator name="date" class="com.opensymphony.webwork.validators.JavaScriptDateRangeFieldValidator"/>
    <validator name="expression" class="com.opensymphony.xwork.validator.validators.ExpressionValidator"/>
    <validator name="fieldexpression" class="com.opensymphony.xwork.validator.validators.FieldExpressionValidator"/>
    <validator name="email" class="com.opensymphony.webwork.validators.JavaScriptEmailValidator"/>
    <validator name="url" class="com.opensymphony.webwork.validators.JavaScriptURLValidator"/>
    <validator name="visitor" class="com.opensymphony.webwork.validators.JavaScriptVisitorFieldValidator"/>
    <validator name="conversion" class="com.opensymphony.xwork.validator.validators.ConversionErrorFieldValidator"/>
    <validator name="stringlength" class="com.opensymphony.xwork.validator.validators.StringLengthFieldValidator"/>
</validators>

<!DOCTYPE validators PUBLIC "-//OpenSymphony Group//XWork Validator 1.0//EN" "http://www.opensymphony.com/xwork/xwork-validator-1.0.dtd">
<validators>
    <field name="priceIncrease.percentage">
        <field-validator type="required" short-circuit="true">
            <message key="error.not-specified">Value required.</message>
        </field-validator>
        <field-validator type="fieldexpression" short-circuit="true">
            <param name="expression">priceIncrease.percentage > 0</param>
            <message key="error.too-low">Value too low.</message>
        </field-validator>
        <field-validator type="int" short-circuit="true">
            <param name="max">50</param>
            <message key="error.too-high">Value too high.</message>
        </field-validator>
    </field>
</validators>

error.not-specified=Percentage not specified!!!
error.too-low=You have to specify a percentage higher than ${expression}%!
error.too-high=Don´t be greedy - you can´t raise prices by more than ${max}%!