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The InvocationContext interface The InvocationContext interface has a number of other useful methods. Here is the definition of the interface: public interface InvocationContext { public Object getTarget(); public Method getMethod(); public Object[] getParameters(); public void setParameters(Object[]); public java.util.Map<String,Object> getContextData(); public Object proceed() throws Exception; } UI concerns, using AOP for, 293, 297 UML (Unified Modeling Language), 85 UMLAF (UML Aspectual Factory), 85 86, 89 unpluggability see pluggability user profile aspect, JAC, 83 UserAC aspect, JAC, 83 user-profile aspect, JAC, 81 qr code generator crystal reports free How to add QR Code in Crystal Report - CodeProject
In Crystal you can use barcode fonts or generate images. By experience, I'd not recommend you to use fonts never because they simply will not ... free qr code font for crystal reports QR - Code Crystal Reports Native Barcode Generator - IDAutomation
Easily add QR - Code 2D symbols to Crystal Reports without installing fonts . ... User Manual for the Native Bar Code Generator for Crystal Reports Barcode ... public void onMessage( Message msg ) { MapMessage map = ( MapMessage ) msg; try { processMessage( map ); } catch(Exception ex) { ex.printStackTrace(); } } The getTarget method retrieves the bean instance that the intercepted method belongs to. This method is particularly valuable for checking the current state of the bean through its instance variables or accessor methods. The getMethod method returns the method of the bean class for which the interceptor was invoked. For AroundInvoke methods, this is the business method on the bean class; for lifecycle callback interceptor methods, getMethod returns null. The getParameters method returns the parameters passed to the intercepted method as an array of objects. The setParameters method, on the other hand, allows us to change these values at runtime before they are passed to the method. crystal reports 9 qr code QR-Code Crystal Reports Native Barcode Generator - IDAutomation
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Mar 12, 2012 · I have written before about using Bar Codes in Crystal Reports, but recently two different customers have asked me about including QR codes ... These two methods are helpful for interceptors that manipulate bean parameters to change behavior at runtime. An interceptor in ActionBazaar that transparently rounds off all monetary values to two decimal places for all methods across the application could use the getParameters and setParameters methods to accomplish its task. The key to understanding the need for the InvocationContext.getContextData method is the fact that contexts are shared across the interceptor chain for a given method. As a result, data attached to an InvocationContext can be used to communicate between interceptors. For example, assume that our security validation interceptor stores the member status into invocation context data after the user is validated: invocationContext.getContextData().put("MemberStatus", "Gold"); private void processMessage( MapMessage map ) throws Exception { //implementation not shown } } value data element, Spring AOP, 118 view helper pattern J2EE design solutions, 223 web presentation tier, 309 crystal reports qr code QR Codes in Crystal Reports | SAP Blogs
May 31, 2013 · Create your Crystal Report. Insert any old image, and make it slightly larger than you want the QR code to appear. Right click the image and select 'Format Graphic' ... You now have a static QR code in your report. qr code font crystal report How to Create QR Code in Crystal Report using Barcode Fonts?
Jun 12, 2015 · How to create QR Code barcodes in Crystal Reports using the QR Code Font and Encoder Package (barcode fonts and barcode font formulas). As you can see, the invocation context data is simply a Map used to store namevalue pairs. Another interceptor in the invocation chain can now retrieve this data and take specific actions based on the member status. For example, a discount calculator interceptor can reduce the ActionBazaar item listing charges for a Gold member. The code to retrieve the member status would look like this: String memberStatus = (String) invocationContext.getContextData().get("MemberStatus"); Listing 6.4 contains the partial deployment XML file for the bean; notice how it indicates the source type of messages for the bean (either point-to-point or publish/subscribe). The following is the AroundInvoke method of the DiscountVerifierInterceptor that actually uses the invocation context as well as most of the methods we discussed earlier: see also presentation tier using AOP in design patterns of, 298 309 white-box tests, 180 wildcards, AspectJ method names, 31 method signatures, 31 package names, 32 wildcards, JBoss AOP, 96 withdraw method resolving object references, 249 withdraw method TxControllerBean class, 229 TxControllerPOJO class business tier aspects, 259 precondition factorization, 254 within keyword, joinpoints AspectJ, 40, 43 JBoss AOP 98 , withincode keyword, joinpoints AspectJ, 43 JBoss AOP 98 , wrappers, JAC AOP Alliance API, 63 around wrappers, 63 associating with pointcut, 71 72 brief summary, 88 cardinality of wrapper classes, 86 code execution time, 63 compiling application, 66 creating, 72 75 creating aspect, 62, 63 64 creating pointcuts, 68 creating wrappers, 72 defining wrappers, 63 execution order of aspects, 86 reusing, 63 role methods, 79 wrapper chains, 74 wrappingOrder property, jac.comp, 78 @AroundInvoke public Object giveDiscount(InvocationContext context) throws Exception { System.out.println("*** DiscountVerifier Interceptor" + " invoked for " + context.getMethod().getName() + " ***"); if (context.getMethod().getName().equals("chargePostingFee") && (((String)(context.getContextData().get("MemberStatus"))) .equals("Gold"))) { Object[] parameters = context.getParameters(); parameters[2] = new Double ((Double) parameters[2] * 0.99); System.out.println ( "*** DiscountVerifier Reducing Price by 1 percent ***"); context.setParameters(parameters); } return context.proceed(); } <ejb-jar> <enterprise-beans> <message-driven> <ejb-name>SampleMDB</ejb-name> <ejb-class>SampleMDB</ejb-class> <transaction-type>Container</transaction-type> crystal reports insert qr code QR-Code Crystal Reports Native Barcode Generator - IDAutomation
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Mar 12, 2012 · I have written before about using Bar Codes in Crystal Reports, but recently two different customers have asked me about including QR codes ...
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