Liferay serveresource and alloy auiiorequest module made ajax easy to implement in liferay portlet. Download portlet open source trading site post for free. Download the sample code download consists of a readytodeploy portlet application as web archive war, containing two portlets. A recent study proved that the average man lasts just 25 minutes in bed during intercourse. The portlet programming model also provides events and public render parameters so that you can build larger composite. May 29, 20 how to create friendly url for liferay portlet serveresource url which will give a jsonfeed file as response. Yaitu adanya kemampuan untuk melakukan byte streaming melalui portlet request. This article shows an example of how you can implement the file upload feature in ibma webspherea portal in a similar way as you implement it in a traditional javaa. How to pass data from page to portlet class through ajax call. Mar 01, 2012 this note summarise my experience of jsf portlet file download using websphere jsf 1. This feature also encourages a better programming model. When using liferays mvc framework, you can create resource urls in your jsps to retrieve images, xml, or any other kind of resource from a liferay instance. Download a file to browser with liferay serveresource. Specifically, i am trying to use this to download open in a new tab pdfs and images that are on the server but not in the portlet portal or otherwise accessible on the web.
A good starting point for portlet coding is to download a sample portlet package from the. The plugins dont currently provide a merge into the display file to categorize the portlet but this can be done by hand if needed. The same example as alloyui will be taken to perform a form submission using jquery. Portlets provide a presentation layer to information systems. Liferay blob data concept in portlet posted on september 30, 2014 by hamidul islam in liferay. The example shows how you can download files using serveresource. The heart of a portal is a portlet container, and as a servlet container is to servlets, so is a portlet container is to portlets. Portlet container then pass the output of serveresource method to liferay portal and liferay portal eventually pass that content directly to client. Before seeing how to use ajax in liferay portlet, you need to understand portlet namespace. The study also showed that many women need at least 710 minutes of intercourse to reach the big o and, worse still. A subclass of genericportlet should either use one of the following annotations. Oct 24, 2016 3 ways to use serve resource in portal jsr286 introduced resource serving and the same method can perform ajax requests as well. Its a long time but i am just describing here with code snippets all you can do with resource method. How to create friendly url for liferay portlet serveresource url which will give a jsonfeed file as response.
Portlet namespace is a unique value generated and associated to each portlet by the portal. Sun provides implementation of portlet api which resides in portlet. May 20, 2012 in this article will be show how to develop a file upload and download portlet using spring mvc portlet. So if the contentdisposition cant be set on the header, the browser doesnt know to initiate the download process. In your serveresource method are you actually writing the file to the response stream also, you can consider using resourceid attribute of resourceurl tag to uniquely identify the resource. Actually i solved extending the strutsportlet and overriding the method serveresoruce. The benefits of having a toplevel context file is that youll be able to share spring beans between portlets instead of duplicating the effort between all the portlet. It can be plain html, json, xml or stream of bytes i. Resource url invokes the serveresource method of portlet.
Now this url string when appended on any page of the portal,will call your portlet serveresource and generate a json response file. Differences and similarities in servlet vs portlet tech blog. Storing portletpreference in serveresource by default, portletpreference can be stored using process action serveresource method in the portlet class. If you looking for creating a simple hello world article please check this article. A form is displayed on the screen in which the client must fill two fields and submit it to perform the sum. Ajax in liferay portlet using jquery and alloyui roufid. This jar file contains classes and interfaces under javax. A standalone java class to hit this resourseurl to download a file. Namespacing avoids portlet element to conflict with other portlet elements. Friendly url for a portlet, responce as a download file. Consider a jsr 286 java portlet that uses ajax on the client side for actions. Hi all, how to download a file from portlet using a standalone java class. Oct 19, 2015 hello guys below code will help you to download file from server using liferay 6. In this article, i will be showing you how to create resource url by portlet tag.
Portlet state consists of render parameters, portlet mode, and window state if the name parameter has changed, the update function uses createresourceurl method takes 3 arguments. The jsr 286 portlet api introduced resource serving with method serveresource, which enables portlets to serve resources, for example, markup or binary data png, pdf, etc, from within the portlet context using resource requests. In order to make it working in jsf portlets, one needs to mix portlet and jsf programming as there is no direct support of the m. Ms excel actually can parse a specially formatted html as an excel file, but the response object offers an outputstream which can be written binary data to. Download multiple files from media and document in liferay 6.
Issues in file downloading portals and portlets forum at. In this article will be show how to develop a file upload and download portlet using spring mvc portlet. In serve resource phase, portlet can send dynamic content directly to client. If you have basic knowledge of ajax and you want to learn how ajax call happens by alloy a. In this case the excel is rendered by a jsp trivia. Sep 30, 2014 liferay blob data concept in portlet posted on september 30, 2014 by hamidul islam in liferay. But i am not sure how to hit the resourseurl from a standalone java class.
More oftenly we come across such requirements, when we need to do upload file using ajax. Remember that a portlet application is the entire set of portlets contained within a single war file and defined within a single portlet. In this use case, it stores the file upload to a disk. How to create friendly url for liferay portlet serveresource. The calculation is done in the server side and the result is displayed without a page refresh all. Hello guys below code will help you to download file from server using liferay 6. Spring mvc portlet file upload and download portal hub.
A portlet is a java technology based web component, managed by a portlet container, that processes requests and generates dynamic content. The genericportlet class provides a default implementation for the portlet interface it provides an abstract class to be subclassed to create portlets. The download is done perfectly, but there is this problem with a file name. The resource url then invokes the corresponding mvc resource command class mvcresourcecommand that processes the resource request and response. Even if there is another jsr 286 java portlet, it cannot leverage serverside eventing.
This tag is used to create resource url in portlet jsp. Mar 05, 2016 the portlet registration is done in the liferay portlet. There are two places where you can create resource url programmatically with java api. At the end of this article you will be able to know how a. No open source or thirdparty packages are used in the samples provided.
Enable the javascript events to process the actions and display or update data on the jsp page. Jsr 168 and jsr 286 describes portlets as webbased components that enable integration between applications and portals and thus delivery of applications on portals. One approach to implement file download from portlets is to use the jsr 286 resource serving mechanism. For storing portlet preference using serve resource method, the following. We will be using action url for file upload and resource url for file download. Jul 22, 2008 the file upload feature is an essential interaction service that is offered by many portals. This is helpful for operations like dynamically getting the content from server using ajax, downloading a file, etc. In the presented introduction about apache pluto, weve mainly discussed the most simple portlet application that you may have. In this portlet i have added three links which on click send a request to get user information and display it on the portal using ajax. Understanding liferay portlet configuration files roufid. Download a file from a portlet using serveresourse. Urls of the type portlet are cacheable on the portlet level in the browser and can be served from the browser cache for as long as the state of. Object implements portlet, portletconfig, eventportlet, resourceservingportlet. Implementing file download to implement the file download option we leverage the serverresourceurl method of jsr 286 portlet.
Hello guys,liferay store files using media and document which is default functionality of liferay. Css and js files required for the portlet, if whether the portlet can appear multiple times on a page or not, trigger a job for scheduling and much more. Listing 2 is a code snippet in the java serverpages jsp to invoke the serveresource method. My goal in this article will be to show you how to shorten the url in portlet so that its more user friendly. A blob alternately known as a binary large object, basic large object, blob, or blob is a collection of binary data stored as a single entity in a database management system. The file upload feature is an essential interaction service that is offered by many portals. Quick conversion to springmvc portlets isos technology. Introduction to portlets using liferay portal part 2. Portleturlfactoryutil class provided by liferay is used to create various portlet urls like render url, action url, resource url etc. After serve resource call is handled, it will simply returns response back to client side and no other methods are executed.
Hi ajil, in your serveresource method are you actually writing the file to the response streamalso, you can consider using resourceid attribute of resourceurl tag to uniquely identify the resource. Download a file from a portlet using serveresourse jboss. Im trying to create a portlet that allows a user to download a file from it. This tag is used to create resource url in portlet jsp in this article, i will be showing you how to create resource url by portlet tag. Jun 24, 2015 portlet container will find the appropriate portlet and call its serveresource method. For better understanding create portlet in your eclipse and. Aug 16, 2006 retrieve and manipulate the servlet context from the portlet configuration for dynamically accessing the ajax servlet included in the portlet. This typically calls the serveresource method of the portlet, which does not generate serverside jsr 286 events. Portlet container ultimately runs on application server or servlet container. Mar 20, 20 remember that a portlet application is the entire set of portlets contained within a single war file and defined within a single portlet.
The business scenarios are more complicated then normal and they require a full knowledge about the portlet, portlet life cycle and how could provide a compliant enhanced portlet that complying with the latest standards presented at the portlet field. I am building what is essentially a browser for our cms with a liferay 6. My question is how can i download a file from my server using java portlet resourcerequest. Post what you learn 3 ways to use serve resource in portal.
Sebelumnya, pada jsr 186 untuk membuat fitur ini perlu membuat servlet terpisah untuk menangani request ini. Learn all about the second version of the java portlet specification jsr 286. This article describes new features available in the portlet container 2. I was trying this by creating a simple portlet with serveresourse method. The second file added though not required is a general portlet application context file. File upload using serveresource ajax call objective. Since i cant figure out a way of changing the response header from within portlet, theres no way of setting the contentdisposition. An open source site for organizations to share portlets developed according to the new jsr 168 and wsrp standards. Pada spesifikasi jsr 286, terdapat satu fitur baru. Dr how can i download a file from my server using java portlet resourcerequest. The article introducing java portlet specifications. Portlet cachelevelportlet the serveresource call triggered by a portlet resource url has access to the portlet state consisting of the render parameters, portlet mode, and window state. Implementing a file upload portlet in ibm websphere portal. For better understanding create portlet in your eclipse and follow below steps.
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