This work coupled with the other recently published portlets in action has proven invaluable to get. Portals, portlets and web services for remote portlets. Portlets are part of jsr168 standard that regulates portal containers and components. It shows how you can first create a web application and then convert it into a portlet by making a few changes to it. Introduction to portlet phases and lifecycle methods.
The pdf click action opens adobe acrobat reader in a new browser window, exports the portlet data into pdf format, and displays the portlet data in adobe reader note. Chapter 14 of portlets in action shows how you can build jsf portlets using portletfaces bridge or wicket portlets using wicketportlet class. Portlets in action is a stepbystep guide to developing portlets using the java portlet technology. Developing a portlet that shows realtime data using comet or reverse ajax. Some of these portlets also serve as links to data, reports, or other information. And because portals and portlets are so flexible, the accompanying source code can. Ashish sarin portlets in action pdf summary portlets in action is a comprehensive, handson guide to building portletdriven applications in java.
Summary portlets in action is a comprehensive, handson guide to building portletdriven applications in java. My aim is to let the pdf open at users endmake him save it. Portlets may display summaries of data pulled from practice cs, reports, time entry information, client information, your email and calendar, staff availability, filecabinet cs documents, and more. Pdf portals and portlets the quick design of web applications. Clickto action enables end users to trigger data transfers from one portlet, or source, to one or more portlets, or targets, through popup menus displayed next to the data to be transferred. You may have been introduced to the basics of the portlet api and used features from portlet 1. A portal applicationis a group of portlets that form a logically associated group. If youre already familiar with the concepts behind portals and portlet technology, you may want to skim or skip this chapter. The takeaway point from figure 1 is the user gets the unified view of information from different information. Covers portlet, spring ashish sarin is the skip to content.
The author provides the history of the portlet specification and shows how to create portlets that communicate with each other. Request processing in portlets is a more involved process because each portlet request goes through. This article is taken from the book liferay in action. Portlets are design to place together with other portlets on same pageto generate complete web page, its possible that user may not directly interacting with portlet. And i know how to create a mvc portlet module from liferay ide eclipse. On each request at most one portlet will be able to perform an statechanging operation. In case of servlets, a request results in the invocation of a servlets service method, which performs a certain action and generates a complete web page. The goal is to define a component model to enable portlets to be easily. They are also often generated on the fly, like a pdf report, or a captcha image. Portlets in action by ashish sarin get portlets in action now with oreilly online learning.
Enterprise appliances, security gateway, antispam, threat extraction, threat emulation, threat prevention, next. Adobe acrobat reader must be installed on the client system di recommends that you use a pdf click action if you want to print a multipage report. Portlets in action is a comprehensive guide to building portletdriven applications in java. Portlets in an application are installed as a single package. Clicking the search button d submits the search html form which consists of the book name and author name fields whose action attribute refers to the action url of the book catalog portlet. Though there are definitely strong parallels between these two standards they differ in containers, apis, life cycle, configuration, deployment, etc. Because websphere portal is the framework, you can think of portlets as the. Cooperative portlets are an extension of the clickto action technology introduced in websphere portal version 4.
Liferay in action is the official guide to building liferay portal applications using java and javascript. Manning is an independent publisher of computer books, videos, and courses. This article is taken from the book portlets in action. It teaches portlet development handson as you develop a portal that. This is different standard from standards for web containers and servlets. And because portals and portlets are so flexible, the accompanying source code can be easily adapted and reused. Circular 2020006 all employers, selfemployed, voluntary members and nonworking spouse. Portlets in action is a comprehensive, handson guide to building portletdriven applications in java. Covers portlet, spring ashish sarin is the author of portlets in action, published by manning publications. Portlets in action a nice intro to the jsr 286 standard, and also to liferay portlet development. About this book portlets in action livebook manning.
In the portlet class, we will override render method which is originally defined in genericportlet. About the book portlets in action is a comprehensive guide to building portletdriven applications in java. The liferay in action book walks you through the concepts and then through some practical exercises of developing portlets for the liferay platform. Manning publications summary portlets in action is at least a comprehensive handson guide to building portletdriven applications in java covers portlet 2. Good portlets work independently and also communicate fluently with. The advantage of portlets over servlets is attributed to its unique requestprocessing lifecycle. The author talks about liferay, but also talks about how to keep your portlets portable to other portal containers. Howto dowloading files from a portlet liferay community. The portlets display most relevant content and provide limited features to the user, as opposed to a fullfledged web application. It teaches portlet development handson as you develop a portal that incorporates most key features of the portlet 2. Moreover, portlets allow information from all kinds of sources to be aggregated, so a portal s.
Summaryportlets in action is a comprehensive, handson guide to building portletdriven applications in java. This is referred to as the action phase and is implemented through a. When programmed appropriately, theyre able to communicate with one another by sending and receiving messages. How to open a pdf in a portlet portals and portlets forum at. About the technologyportlets are the small java applications that run within a portal. You may have seen how easy it is to write a portlet. In this post, ill talk about the book catalog portlet example from. The author discusses expiration and validationbased caching strategies for content generated by a portlet tweet this button. Circular 2020007 moratorium on shortterm loan payments of sss members affected by coronavirus disease 2019 situation covid19 for applicable months of february to april 2020. Portlets in action portlets in action is a comprehensive guide for java developers with minimal or no experience working with portlets. Manning publications portlets in action by ashish sarin. For example, if action method is completed for one portlet then its render method is called along with render method of all portlets on. In servlet, the servlet container calls service method to process user request. Circular 2020004 extension of periods in filing sickness notifications and sickness benefit claims of members and employers.