Showing posts with label Documents. Show all posts
Showing posts with label Documents. Show all posts

Saturday, December 16, 2017

How to Edit Documents Using an XSLT Editor

How to Edit Documents Using an XSLT Editor

XSLT is short for Extensible Stylesheet Language Transformations, which in common lingo means it is a programming language meant to change XML documents into other type of documents, whether it is the same format or some other format like HTML or normal text. It is mainly utilized to convert the cryptic XML data into a more web page friendly HTML or XHTML data. Naturally from all this information it can be derived that an XSLT Editor is a program that takes care of the actual process of converting the data involved.

Programmers agree that XSLT is a type of declarative programming which means the paradigm it follows describes what the program does instead of how it does it. However, the basic principle the XSLT editor follows is quite straightforward and easy to understand for non-programmers. The entire process consists of four main components. The first one is the source document which is ideally an XML text which needs to be converted. The important thing to note is, throughout the entire process the source does not get replaced, but only a new document is created based on a preset format specified.

The second component is the XSLT Stylesheet module which is just a document specifying some rules of templates and step-by-step guides for the processor. The processor that was just mentioned is the third component in the model, and its purpose is to merge the input documents and convert the basic source provided.

Last but not the least- the fourth component is the output document which can be opened with any common program as it generally uses extensions like '.pdf' or '.png', etc. If it is an HTML or common text document, then it can also be opened using Notepad.

Beginners and neophytes in the programming world need not worry about the complications involved in the actual conversion of these documents. In fact, Windows XP and later generations of Operating Systems come equipped with MSXML3 library that also hosts an XSLT 1.0 processor. It is obvious that to manually convert all of these documents one needs to have a firm grasp over all these related programming languages, but these days there are so many options online from where one can download XSLT Editors like Oxygen XML Editor and XML Spy to easily get the job done. If there is any more confusion regarding the use of any XSLT Editor, there are tutorial videos online which guide the viewer through each and every step once the desired editor is being searched for.

To sum it up, it can be said that the best option is thoroughly studying these languages and then manually convertong the documents in a XSLT Editor. This gives the user the required space to customize the process according to his need. For novices, the best option is to download an XSLT editor, watch the tutorials discussing on related forums and then getting on with the conversion. With practice, the novice can soon turn pro.

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Friday, December 15, 2017

Pades A Way to Ensure the Long Term Validation on Signed PDF Documents

Pades A Way to Ensure the Long Term Validation on Signed PDF Documents

PDF signatures are basically used for signing all PDF documents but to make their working better, long term and easy the new term “PadES” has been introduced which is the abbreviation of “PDF Advanced Electronic Signatures” and it is developed a European institute named as European Telecommunications Standards Institute”.

The basic idea behind the PDF advanced electronic signature is to provide signer the opportunity to enjoy the long term validation and long term archiving of his or her electronic documents.

Long Term Validation (LTV) is a term to make sure that the digitally signed PDF document will not be rejected and authenticity of electronic signatures will be lasts for a very long time period. To solve this problem new extended term of PDF signature has been defined so than everyone will be able to make their online PDF signed documents verifiable and achievable for a long time period. This is done by embedding both the revocation information of the digital certificate used to create the digital signature and timestamp information.

Specifications of these PadES signatures are somehow similar to the simple PDF signature in term of providing Integrity, Authenticity and Non-Denial. It also helps to ensure the time stamping of certain PDF document so than the other receiving party can never claim any changes or amendments in the transferred document because the exact time, date of document signing and signer’s identity and attributes will be saved in a cryptographic form in the computer.

As PDF signatures have many other types such as visible, invisible, Certified and Approval PDF signatures, same as PadES are also able to be in a form of visible signatures or invisible signatures. Although we could even say that PDF Advanced Electronic Signatures could fall under the types of PDF signatures.

PDF Advanced Electronic Signatures have different parts to understand it named as Part1, Part2, Part3, Part4, Part5 and Part6 and all parts are the recommendation of ISO-32000 and ISO-32000-1 which is an International Organization for Standardizations. In the first part we can find the basic details about it and about its features, in second part we have the specifications of these signatures, in the third part the explicit policy regarding the electronic signature is defined, than in forth part the way of long term verifying and archiving of document is defined, in the fifth part the way is defined about how one can be able to sign some selected parts of a whole document and how these signatures are able to work for xml contents, at last in the sixth part all the procedure and working of electronic signature is defined in the form of visuals. To understand the working, ability, efficiency PadES and also to know about how we can apply these signatures to sign PDF online documents of one have to read and understand all the six parts of it.

Anna Stacy has in-depth knowledge and experience of PDF signatures. Her basic forte lies within process optimization and process re-engineering, and has a long-term obsession with Pades. She is a leading source of what's hot and what's not in the online digital signature space.

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Sunday, December 3, 2017

The Role of XSLT in Documents

The Role of XSLT in Documents

One of the latest tools for web design is the XSLT editor. The best way to learn about XSLT is to visit the wonderful web site of the World Wide Web Consortium or the W3 School on the web. The definition of XSLT is eXtensible Stylesheet Language. This language is a stylesheet language for creating XML documents. The function of the XSLT is to transform XML into XHTML. There is a vast knowledge bank available there to learn how to use XSLT for web design. Certification tests and tutorials are available for the earning and learning. If you would like to do some practical applications of this language, there is an on line XSLT editor at the W3 School web site.

The World Wide Web Consortium wanted to provide a language that would be an XML based stylesheet language. The evolution was first XSL and then XSLT, XPath and XSL-FO. With CSS, which is Stylesheets for HTML. Predefined tags are used with HTML and are well understood. With an HTML defined tag each browser knows how it must be displayed. CSS makes displaying special fonts or colors a simple task. The story is different with XSL. XSL is Stylesheets for XML. The opposite is the case with tags for XSL. XSL uses any tag-names with no predefined tag which makes XSL not well understood. When the browser sees XSL tag it will not know how to display it because in HTML the meaning of a tag defines a table but in XSL a tag might mean an HTML table or it could mean something else.

There are more than 100 built in functions in XSLT. Here are some of the functions: - string values - numeric values - date and time comparison - node - QName manipulation - sequence manipulation - Boolean values

There are many more functions with XSLT but these are just some of the notable ones. On your XSLT editor you will notice that the default prefix for the function namespace is fn: When calling a function fn: prefix, such as fn:string(). Another thing to take note of: since fn: is the default prefix of the namespace, the function names, when called, do not need to be prefixed.

The purpose of XSLT is to transform XML documents into XHTML document. XSLT will also transform XML documents to other XML documents. Another language for navigating XML documents is XPath. The most significant part of XSL is when XSLT is recognized by a browser the way HTML and XHTML are, XSLT is used to transform an XML document into another XML document. Here is the big picture of what XSLT can do. The actual mechanism is transformation by XSLT of an XML source tree into an XML result-tree. This is done with an XSLT editor with add/remove elements and attributes to or from the output file. Many other rearrangements can also be done such as sort elements, perform tests and make decisions about which elements to hide and display.

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Monday, August 14, 2017

New Google Wave Will Change How We Email, Collaborate, Blog and Share Documents

New Google Wave Will Change How We Email, Collaborate, Blog and Share Documents

I recently watched a Google presentation video about a completely new technology/platform that Google Labs have been working on called Wave. From what I saw this will change how we use email how we communicate and how we collaborate.

First up is the email application, and I use email here as a very loose term. Email will no longer be the email that we know. Instead it will be a complete communication tool. As you type your message to the recipient of your choice, if you so choose, the recipient will be able to watch you type in real time. Now stop and think about that. I didn't say that once you hit the enter or send button the recipient will see your message, I said as you type the recipient will see your message as you type in real time. Now of course this is dependent on both parties being signed in and online simultaneously. However if one person is online and the other is not then as soon as the recipient signs in they see the message (Wave) and any additions or revisions that the sender may have made.

To take it a step further you will be able to add more people to the conversation simply by dragging them into the conversation window. Once the 3rd or 4th person gets dragged into the Wave (that's what it's going to be known as , The Wave) then that person or persons will see the entire conversation beginning to the present. But to take it even further anyone coming into the conversation will be able to literally replay the conversation from the beginning so that they get the whole message in context. Another really cool feature is the ability to respond to a comment or sentence within the message. So in other words lets say that within the message somewhere in the 3rd paragraph is a reference that you would like to respond to. You can enter a response directly below that line as opposed to the end of the full conversation and again the message will be see immediately or upon signing in.

Adding images is also innovative. If you were to drag images into the Wave then anyone who is online that is part of the Wave will see them immediately. The thumbnails will actually pop into the Wave before the images are even rendered on the screen that they were entered on. All in all pretty awesome. You can also extract the images or for that matter portions of the conversation to share with others without sharing the entire Wave.

This next feature blew me away. If you decide to you can share the Wave or parts of the Wave on a blog something akin to Google Maps API. The difference here is that if if someone makes a comment on the Wave that was embedded into the blog, it will also go directly to the Wave that is going on within the application and conversely one can respond to the comment from within the Wave and have the comment be published on the blog. You can also then continue the conversation within the Wave client or the blog or both. All of these features will also be available on an iPhones app and the Android all working together in real time.

There is a lot more that I can write about but I fear I may lose you or get boring. So why don't you go ahead and watch the Google You Tube video directly below this post for the rest of the story. I hope that you have enjoyed this and found it to be informative. If you did please leave a comment and let me know what you think of this new upcoming Wave.

PC Tech Mojo

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