javabeans

View all fields / properties of bean in JSP / JSTL

試著忘記壹切 提交于 2019-11-28 16:29:56
问题 I have a bean, ${product} . I would like to view all of the available fields / properties of this bean. So for instance, ${product.price} , ${product.name} , ${product.attributes.colour} etc. Is it possible to dynamically print out all names and values of these properties in JSP, using JSTL/EL? Something like: <c:forEach items="${product}" var="p"> ${p.key} - ${p.value} </c:forEach> 回答1: Replace object with the bean to determine. <c:set var="object" value="${product}" /> Display all declared

Difference between Java Bean and Enterprise Java Beans? [closed]

不羁岁月 提交于 2019-11-28 16:12:13
Are they different or they are used interchangeably? If they are Different, then what made them different from each other? A JavaBean is just a plain old Java object that conforms to certain conventions including the use of accessor functions (getFoo/setFoo) for member access, provision of a default constructor and a few other things like that. An Enterprise JavaBean is a component in a Java EE application server which comes in several flavours, the details of which vary by which version of Java EE you're talking about (or, more specifically, which specific set of EJB specifications are

web.xml setup for facelets template and client

假如想象 提交于 2019-11-28 12:50:01
问题 I've looked at a few resources for JSF and facelets, but don't understand a few configuration points. What's the distinction between: <url-pattern>/faces/*</url-pattern> and: <url-pattern>*.jsf</url-pattern> While I understand it's possible to have several url-pattern elements, unless .jsf pages are explicitly being used, there's no actual need for this mapping, correct? If only faces templates and clients are being used, then it's extraneous? Furthermore, if the facelet template and client

Bean not instantiated

。_饼干妹妹 提交于 2019-11-28 12:39:16
问题 Platform I am using : Fedora 20; mariadb-5.5.34-2.fc20.x86_64; Eclipse Kepler Service Release from www.eclipse.org; Apache TomEE plus 1.6.0. I am implementing example See here and I am trying to manage to work the login interface. My problem is that the Java Bean of Login.xhtml has not been instantiated. How is it possible? I am quite familiar with java Beans, I checked for errors and the example comes from an expert Java programmer. I found out this trouble because I did not manage to work

How can I turn off extra logging?

青春壹個敷衍的年華 提交于 2019-11-28 12:25:14
I have a Java service that uses Spring and CXF. The code is from a previous developer and I'm providing maintenance, but I'm seeing this in the logs -------------------------------------- Apr 16, 2013 1:44:11 PM org.apache.cxf.interceptor.AbstractLoggingInterceptor log INFO: Inbound Message ---------------------------- ID: 33 Address: /MyApplication/endpoint Encoding: UTF-8 Http-Method: POST Content-Type: application/x-www-form-urlencoded Headers: {content-type=[application/x-www-form-urlencoded], connection=[close], host= [localhost:8080], Content-Length=[11504], user-agent=[Apache-HttpClient

redirect from jsf?

旧巷老猫 提交于 2019-11-28 11:06:35
I am working on application with jsp, jstl and jsf for my college project, thats being said, I am as well very new to jsf. Everything is going great so far. However, I seems to have a problem figuring out how to do redirect from managed bean to page with dinamyc parameters. For example article.jsp?article_id=2 Can somebody tell me how it is done ? I been trying to use somethinng like FacesContext.getCurrentInstance().getExternalContext().dispatch("faces/article.jsp2?article_id=" + articleId); But get error: javax.servlet.ServletException: #{postComment.postClick}: javax.faces.FacesException:

Dynamic creation of beans in Spring

大城市里の小女人 提交于 2019-11-28 11:02:11
问题 Is there a way in spring wherein we can read the fields of a bean from the DB table and create a complete bean class - with getters and setters on server startup???? I require this to make my application completely configurable...as in if I have to add a new field in future , all I would require would be adding a field in the db and the bean setters and getters would be available to me. Thanks 回答1: You could try approaches for dynamically registering beans . You could use the

Spring/Eclipse 'referenced bean not found' warning when using <import>?

核能气质少年 提交于 2019-11-28 09:04:04
I have just broken up a Spring bean configuration file into smaller external files and have used the the "import" directive to include them in my Spring Test application context XML file. But whenever I reference one of the beans from the imported files I get a warning within Eclipse/STS/Spring XML editor complaining that "referenced bean 'foo' not found" Is this is a bug or is it me? It's really annoying because I don't want to disable the warning, yet at my company we try to eliminate all warnings. It really annoyed me too! I'm not sure when this feature was introduced, but with later

How to define private getter method in Groovy Bean?

不问归期 提交于 2019-11-28 08:55:01
问题 I used following code. class Bike{ def manufacturer; private getManufacturer(){ manufacturer } } But I was able invoke getter method from another class. 回答1: You can't using the private modifier. This is scheduled for Groovy 2.0 I believe Related questions: groovy call private method in Java super class Groovy Parent/Child Private Field Access Weirdness With Closure 来源: https://stackoverflow.com/questions/3819794/how-to-define-private-getter-method-in-groovy-bean

How to Define a MySql datasource bean via XML in Spring

為{幸葍}努か 提交于 2019-11-28 07:37:21
I've looked over the documentation to define a bean. I'm just unclear on what class file to use for a Mysql database. Can anyone fill in the bean definition below? <bean name="dataSource" class=""> <property name="driverClassName" value="" /> <property name="url" value="mysql://localhost/GameManager" /> <property name="username" value="gamemanagertest" /> <property name="password" value="1" /> </bean> Both the answers are appropriate for the question. But just for an FYI if you're going to use DriverManagerDataSource as your datasource, every call to your datasource bean will create a new