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ate a war from rap application with libra war product eclipse rcp rap and remoting with jax rs spring data jpa and cxf dosgi mongo jee mongo jee step6 mai 15 2013 angelozerr 1 commentaire in step5 we have modified our jax rs logsservice to returns list of pojo by using mongojack to get list of pojo from mongo db apache cxf jsonprovider based on jettison to serialize the pojo log to json stream with pojo mapper mongojack the logsservice looks like this get path all produces mediatype application_json public list log findall db db mongoholder connect getdb websites dbcollection dbcoll db getcollection logs jacksondbcollection log string coll jacksondbcollection wrap dbcoll log class string class return coll find toarray when i have studied how to use mongo in jee application with jax rs i have read the great article modern web apps using jax rs mongodb json and jquery after reading this article i told me why we need to use a pojo mapper with jax rs although mongo manages their data with bson representation on other words why we could not develop our jax rs service like this get path all produces mediatype application_json public dbcursor findall db db mongoholder connect getdb websites dbcollection coll db getcollection logs return coll find using dbcursor avoids to create a pojo and avoids to serialize the pojo to json so i have decided to create mongo jee project in this article we will modify our jax rs logsservice to use mongo dbcursor in the service by using the jax rs provider of the mongo jee lire la suite catégories apache cxf mongo jee mongodb mongo jee step5 mai 14 2013 angelozerr 2 commentaires in step4 we have tranformed our logsservlet to a jax rs logsservice which uses jax rs streamingoutput at this step the service returns jax rs response path logs public class logsservice path all public response findall it s very difficult to use this service in other context than jax rs like using the service in fat client using the service in a junit etc imagine you wish to write some junits which tests that our logsservice service returns some logs with our current logs service it s hard to write that test public void testnotemptylogs logsservice service new logsservice response jaxrsresponse service findall how to get the list of logs to test that logs are not empty when you develop a service the best mean is that you don t link it to a framework for instance if your service returns list of pojo path logs public class logsservice path all public list log findall you can write this test test public void testnotemptylogs logsservice service new logsservice list pojo pojolist service findall assert assertfalse pojolist isempty if your service returns a mongo dbcursor path logs public class logsservice path all public dbcursor findall you can write this test test public void testnotemptylogs logsservice service new logsservice dbcursor cursor service findall assert assertfalse cursor toarray isempty with jax rs you can write services which returns anything list of pojo mongo dbcursor but it s not magic and you need jax rs provider to serialize in our case list of pojo dbcursor etc into json stream in this article we will see how to manage jax rs service with pojo we will use mongojack to get list of log pojo from mongo db and the apache cxf jsonprovider the jax rs provider to serialize pojo to a json stream in the next article step6 we will see how to manage jax rs service with mongo dbcursor by using the mongo jee jax rs providers lire la suite catégories apache cxf mongo jee mongodb mongo jee step4 mai 14 2013 angelozerr 6 commentaires in step3 we have improved our logsservlet by using mongo jee servlet works well but it s an old school mean using servlet in this case will causes problem when you will wish to manage several operations find all logs find paginated logs insert logs etc to manage that you will have to create a servlet per operations or manage this dispatch at hand for instance with a http request dispatch parameter like this protected void doget httpservletrequest request httpservletresponse response throws servletexception ioexception dbcursor cursor null string dispatch request getparameter dispatch if all equals dispatch db db mongo getdb websites dbcollection coll db getcollection logs dbcursor cursor coll find servlethelper writejson cursor response else if page equals dispatch it exists a lot of java web framwework spring mvc gwt wicket play jsf struts2 etc which provides a controller framework which fix this problem jax rs provides too an elegant mean to fix that you develop a service class and you create a method for each operations here a jax rs sample path logs public class logsservice path all public response findall path page public response findpage once this jax rs service will be deployed you will able to call http localhost 8081 mongo jaxrs logs all to returns list of logs http localhost 8081 mongo jaxrs logs page to returns list of paginated logs in this article we will transform our logsservlet with jax rs logsservice we will use apache cxf as jax rs implementation lire la suite catégories apache cxf mongo jee mongo jee step3 mai 12 2013 angelozerr 2 commentaires in step2 we have used mongo in a servlet to return the json array of the logs collection in this article we will use mongo jee to improve it use com mongodb jee mongoholder connect to avoid hard coding the mongo uri in the servlet use com mongodb jee util json to manage json streaming when mongo cusor is serialized as json and is written in the http response use com mongodb jee servlet servlethelper to simplify the code which set response as json and write the json stream in the http response lire la suite catégories mongo jee mongodb mongo jee step2 mai 11 2013 angelozerr 2 commentaires in step1 we have seen how to execute mongo operations find insert remove with java code by using mongo java driver and the pojo mapper mongojack in this article we will create a webapp application composed with a servlet which connects to the mongo db and returns the json stream array of the logs collection in the http response on other words when the following url will be called http localhost 8081 mongo servlet logs the servlet will return the json stream array _id oid 518d01813bfe01bef797d031 url http www mongodb org created date 2013 05 10t14 17 37 515z _id oid 518d01813bfe01bef797d032 url http www mongodb org created date 2013 05 10t14 17 37 515z to do that we will use embedded jetty as http server to start the webapp with simple java main use mongo java driver create the logsservlet the servlet which returns the json stream array of the logs lire la suite catégories mongodb mongo jee step1 mai 10 2013 angelozerr 5 commentaires in step0 we have introduced mongo jee articles install and initialize mongo db websites database with mongo shell scripts in this article we will do the same thing with java code by using the mongo java driver the pojo mapper mongojack lire la suite catégories dojo mongo jee mongodb mongo jee step0 mai 10 2013 angelozerr 2 commentaires several months ago i have studied how to use mongo db in a jee application i read the great article modern web apps using jax rs mongodb json and jquery which explains how to develop modern web apps on client side ajax with jquery is used to consume json by calling a rest service on server side rest service managed with jax rs produces json stream coming from mongodb the rest service calls mongodb with mongo jackson mapper which gets json stream from mongodb which stores their data with bson format which looks like json and serializes the json to build a pojo the rest service returns the pojo and jax rs implementation deserializes the pojo to produce json for the jquery client on other words the server produces json and not the whole html page and the client consumes json to refresh the ui i like this architecture but i tell me why we could to use directly the json stream from mongodb instead of serialize deserialize a pojo that s why i have created mongo jee project which helps you to use mongo in a jee application i have decided to write mongo jee articles which shows in action the feature of mongo jee those articles will explain step by step how to develop a dojo grid with pagination which consumes a jax rs rest service which produces json coming directly from the mongodb with java driver and not with pojo mapper at the end of those articles we will have a paginated grid populated with logs data step 1 the user call the index htm page step 2 the server returns the content of the index htm page which contains the code of the dojo grid without the data step 3 once the dojo grid is built it calls the rest service to populate the grid by sending on the http header the range parameter ex items 0 9 this range parameter tells to the server the from and to item index that grid needs to populate data step 4 the rest service request the mongodb and returns the json coming from the mongodb to the web client the dojo grid receives the json and populate the grid when page link is clicked the step 3 and 4 are re played in this article we will install and initialize mongodb by creating a websites database which contains logs collection a logs is just composed with date created and url lire la suite catégories apache cxf dojo mongo jee mongodb how to convert docx odt to pdf html with java décembre 6 2012 angelozerr 70 commentaires how to convert docx odt to pdf html with java this question comes up all the time in any forum like stackoverflow so i decided to write an article about this topic to enumerate the java open source frameworks which manages that here some paid product which manages docx odt to pdf html converters aspose words for java which manages only docx converter docmosis which manages docx and odt converters muhimbi pdf converter services to be honest with you i have not tried those solution because it s not free i will not speak about them in this article here some open source product which manages docx odt to pdf html converters jodconverter jodconverter automates conversions between office document formats using openoffice org or libreoffice supported formats include opendocument pdf rtf html word excel powerpoint and flash it can be used as a java library a command line tool or a web application docx4j docx4j is a java library for creating and manipulating microsoft open xml word docx powerpoint pptx and excel xlsx files it is similar to microsoft s openxml sdk but for java docx4j uses jaxb to create the in memory object representation xdocreport which provides docx converters which works with apache poi xwpf and itext 2 3 7 for pdf odt converters which works with odfdom and itext 2 3 7 for pdf here criteria that i think which are important for converters best renderer the converter must not loose some formatting information fast the converter must be the more fast less memory intensive to avoid outofmemory problem streaming use inputstream outputstream instead of file using streaming instead of file avoids some problems hard disk is not used no need to have write right on the hard disk easy to install no need to install openoffice libreoffice ms word on the server to manage converter in this article i will introduce those 3 java frameworks converters and i will compare it to give pros cons for each framework and try to be more frankly because i m one of xdocreport developer if you want to compare result of conversion performance etc of docx4j and xdocreport quickly you can play with our live demo which provides a jax rs rest converter service lire la suite catégories xdocreport étiquettes apache odfdom apache poi docx4j fop itext jodconverter eclipse rcp rap and remoting with jax rs spring data jpa and cxf dosgi step4 juin 18 2012 angelozerr 8 commentaires in step3 we have managed our userservice on client and server side with jax rs and apache cxf dosgi embedding an http server in equinox at this step the server side works with the http server jetty which is an osgi bundles this mode is called embedding an http server in osgi container it means that http server and web application are osgi bundles the osgi container starts the http server bundle embedding an http server in equinox explains how this mean is done with equinox you can resume embedding an http server in osgi container like this osgi container http server bundle web application bundle equinox in a servlet container servletbridge it works great but sometimes you have not the luck to have an http server which supports osgi like apache tomcat for instance in our case when we wished to deploy our xdocreport rap application on cloudbees whish provides an non osgi http server apache tomcat fortunatly server side equinox provides embedding osgi container in a servlet container mode it means that it s a web application which contains the osgi container and another bundles which start the osgi container equinox in a servlet container explains how this mean is done with equinox you can resume embedding osgi container in a servlet container like this http server web application osgi container to manage this mode you must create a classic war which hosts your osgi plugins and servletbridge in this article we will explain how to create a war with our userservice on server side with the eclipse plug in libra war product which was created for creating war from rap application launches but it can be used too with osgi launches like we need in this article to create a war of cxf dosgi application server side you must register your jax rs service with httpservice httpservice entry key org apache cxf rs httpservice context value userservice create a war which hosts osgi bundles and servletbridge war product gives you the capability to create a warproduct file from a launch rap rcp osgi lanches etc this warproduct file is used to export it into a war to generate war at the end of this article we will create the the cxf dosgi jpa war war i have deployed this war on the cloudbees to see it on action you can test for instance go at http cxf dosgi war opensagres cloudbees net userservice user findall to see json of the all users lire la suite catégories apache cxf dosgi eclipse rap eclipse rcp equinox servletbridge libra war product create a war from rap application with libra war product step3 juin 13 2012 angelozerr 2 commentaires in step2 we have created war product files from rap launches in this article we will generate war by using the export war feature of the war product to generates two wars rap jpa war that you can download here rap mock war that you can download here we will deploy generated wars in a non osgi http server apache tomcat you can see the online demo of the rap jpa war created with war product deployed on cloudbees which provides an apache tomcat at http rap war opensagres cloudbees net eclipsespring we will see in this article that projects of eclipsespring_step10 zip contains 2 problems when war will be ex...