[JBoss Seam] - Avoiding conversationId in links
by g.tomassoni
Dears,
I'm working on a very simple site adopting seam-1.2.1.GA.
The site must be easily indexable by search engines and uses a lot of links with parameters because is basically a tree navigator where items (i.e.: page contents) are keyed by two parameters.
Due to the indexability requirement, I would like to avoid any conversationId parameter in my links, since it is going to let search engines think a referenced page changed when it is not. Removing the conversationId shouldn't lead to any problem since I'm not using conversations at all in this site.
Is there any way to disable the output of the conversationId parameter page- or site-wide, or do I have to put a <s:conversationPropagation type="none"/> in every and each link?
Thanks,
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18Â years, 8Â months
[JBoss Seam] - Re: SOS-Creating WebService with Seam
by djohan0817
Thanks Chris for your response. Well first of all, I must tell you that I've been using Seam for a few months but I've never done Web Services with it, so I'm kinda new to this stuff.
I'm using :
JBossAS 4.0.5.GA
JBoss Seam 1.1.6.GA
JDK 5.0
In order for you to help me, I'll explain what I've done. I have my project that I've been working on, now I have to add a web Service layer. So I added a new namespace in the project and I create a class and it's interface. Here is the content of my class (it's just a test):
| import javax.jws.WebMethod;
| import javax.jws.WebService;
|
| @WebService
| @Stateless
| public class WS_Test implements WS_TestLocal
| {
| private String message = new String("Hello, ");
|
|
| @WebMethod
| public String sayHello(String name) {
| return message + name + ".";
| }
| }
I'm using Ant with eclipse to explode the project on JBoss. It generates the WSDL file, when I type "http://localhost:8080/jbossws" in the adress bar of my browser, I can see my web Service as a Registered Service Endpoint but when I click on it to view the wsdl, I get an error that tells me that the resource is not available. I don't understand...Any Idea?
Johan
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18Â years, 8Â months
[EJB 3.0] - Re: EJBs and XML-RPCs
by ejb3workshop
I suggest you take a look at chapter 16 in the Final EJB3 Specification. (ejb-3_0-fr-spec-ejbcore.pdf)
| <enterprise-beans>
| <session>
| ...
| <ejb-name>EmployeeService</ejb-name>
| <ejb-class>com.wombat.empl.EmployeeServiceBean</ejb-class>
| ...
| <env-entry>
| <description>
| The maximum number of tax exemptions
| allowed to be set.
| </description>
| <env-entry-name>maxExemptions</env-entry-name>
| <env-entry-type>java.lang.Integer</env-entry-type>
| <env-entry-value>15</env-entry-value>
| </env-entry>
| <env-entry>
| <description>
| The minimum number of tax exemptions
| allowed to be set.
| </description>
| <env-entry-name>minExemptions</env-entry-name>
| <env-entry-type>java.lang.Integer</env-entry-type>
| <env-entry-value>1</env-entry-value>
| </env-entry>
| <env-entry>
| <env-entry-name>foo/name1</env-entry-name>
| <env-entry-type>java.lang.String</env-entry-type>
| <env-entry-value>value1</env-entry-value>
| </env-entry>
| <env-entry>
| <env-entry-name>foo/bar/name2</env-entry-name>
| <env-entry-type>java.lang.Boolean</env-entry-type>
| <env-entry-value>true</env-entry-value>
| </env-entry>
| <env-entry>
| <description>Some description.</description>
| <env-entry-name>name3</env-entry-name>
| <env-entry-type>java.lang.Integer</env-entry-type>
| </env-entry>
| <env-entry>
| <env-entry-name>foo/name4</env-entry-name>
| <env-entry-type>java.lang.Integer</env-entry-type>
| <env-entry-value>10</env-entry-value>
| </env-entry>
| ...
| </session>
| </enterprise-beans>
|
and then access it as
| // Obtain the enterprise bean?s environment naming context.
| Context initCtx = new InitialContext();
| Context myEnv = (Context)initCtx.lookup("java:comp/env");
| // Obtain the maximum number of tax exemptions
| // configured by the Deployer.
| Integer maxExemptions =
| (Integer)myEnv.lookup(?maxExemptions?);
| // Obtain the minimum number of tax exemptions
| // configured by the Deployer.
| Integer minExemptions =
| (Integer)myEnv.lookup(?minExemptions?);
| // Use the environment entries to customize business logic.
| if (numberOfExeptions > maxExemptions ||
| numberOfExemptions < minExemptions)
| throw new InvalidNumberOfExemptionsException();
| // Get some more environment entries. These environment
| // entries are stored in subcontexts.
| String val1 = (String)myEnv.lookup(?foo/name1?);
| Boolean val2 = (Boolean)myEnv.lookup(?foo/bar/name2?);
| // The enterprise bean can also lookup using full pathnames.
| Integer val3 = (Integer)
| initCtx.lookup("java:comp/env/name3");
| Integer val4 = (Integer)
| initCtx.lookup("java:comp/env/foo/name4");
|
Hope this helps
Alex
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18Â years, 8Â months
[JBoss Seam] - Re: seam-ui example: s:selectItems example is broken
by stephen.friedrich
Hm, that really doesn't help much.
How about a simple example that uses Seam's s:selectItems bound to a @OneToMany association in a selectMany-Component? :-)
I did a grep through all the examples' code to find this one usage in the ui example. All the other usages of s:selectItems were in selectOne-Components which is much simpler anyway.
I can't see how hibernate mappings can help here. If I understood correctly there's no such beast as an EJB2 entity bean with container-managed bidirectional relationships.
If the UI manipulates only the list no possible mapping can update the single entities, right?
My solution that updates each child entity when the list setter on the parent entity is called seems to work fine, but it feels realy crude.
Also I'd like to avoid loading the "oldGroup" (see code below) if it isn't yet loaded anyway. It's pointless and causes unnecessary DB access because the change in the parent entity does not affect the DB at all. Still I'd like to update already loaded "oldGroup"s so that their state is still valid in case they are processed further in the same conversation.
Any idea?
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18Â years, 8Â months