Apache Camel Jackson Xml Example



Complete understanding of Apache Camel framework and how to use and implement it in real time. Here I want to analyze it. Both the implementation JAX-RS and CXF-RS are used to configure the server endpoint i. Also note the namespace declarations at the end of the tag--these are required because the combined "{namespace}localName" syntax is presently not supported for this tag's attribute values. Features of Apache Camel. Apache Camel JSON Marshalling to POJO Java Bean. By the way: Did you know that some ESB base on the Apache Camel framework (e. At least, that is the. 12-SNAPSHOT 4. Containers, Kubernetes & OpenShift. Step 1: Define the Apache camel and spring libraries required. Notice we use fieldNamingPolicy property to set the field mapping. This allows you to process messages differently based on their content. Available as of Camel 2. Using Apache camel it is extremely easy to configure and implement such business requirements. If you use maven you could just add the following to your pom. I am trying to convert some JSON to XML using an Apache Camel route. When using the Maven command, Maven will attempt to download the required dependencies from a central repository to your local repository. That’s it! We have a fully working Apache Camel application. To use JSON in your camel routes you need to add the a dependency on camel-jackson which implements this data format. 1) The Apache Camel REST DSL Apache Camel offers a REST DSL which makes it really easy to create a simple REST service. However, the drawback is you need someone in your team to understand and code for Apache Camel. Message Body. It allows end users to integrate various systems using the same API, providing support for multiple protocols and data types, while being extensible and allowing the introduction of custom protocols. The Apache camel tutorial below creates a route to poll the c:/temp/simple folder every minute (i. To use Jackson XML in your camel routes you need to add the dependency on camel-jacksonxml which implements this data format. Apache Camel is an open source integration framework which was started in early 2007. Extract the archive to a new folder on your hard drive; for example in c:\karaf - from now on this directory will be referenced as. This provides an easy way to run Camel routes from an IDE or the command line without needing to deploy it inside a container. In this article, we will discuss using the Apache Camel-ZooKeeper component, and how we can set up a fail-over scenario for Apache Camel routes. 3; Apache Camel 2. 1BestCsharp blog 5,839,846 views. Here I'll demonstrate how to create a new Camel project from the Java archetype, using the Maven command line utility. Using custom ObjectMapper. It is strongly recommended to use the latest release version of Apache Maven to take advantage of newest features and bug fixes. I have following code which is doing the Job but output is not a expected one. 1 should be a straight-forward thing to accomplish. This documentation page focuses on the Apache Camel Streamer, which can also be thought of as a Universal Streamer because it allows you to consume from any technology or protocol supported by Camel into an Ignite Cache. Camel implements 50+ EIP and has 150+ connectors out of the box which simplifies the Integration and allows us to focus more on the business solution. WRITE_DATES_AS_TIMESTAMPS for example can be set straight from application. Hello, I want to convert a CSV file to XML file in proper format. If you receive a message from one of the Camel Components such as File, HTTP or JMS you often want to unmarshal the payload into some bean so that you can process it using some Bean Integration or perform Predicate evaluation and so forth. json and click on Finish; Right click on package and create a java class for example ObjectToJsonConverter; Right click on src/main/resources and and create one. In previous Apache Camel Java DSL Example we had written a simple Java DSL route to transfer from one folder to another. The idea is to show Camel as a client connecting to a remote Artemis broker. To call the web service I use Spring WS. Great article, thanks. Transforming from XML to JSON Camel provides an XML JSON Component that converts your data back and forth between XML and JSON in a single step, without an intermediate Java … - Selection from Apache Camel Developer's Cookbook [Book]. The following are top voted examples for showing how to use org. In the previous example, Camel would anticipate the fixed reply queue named "bar" was shared, and thus it uses a JMSSelector to only consume reply messages which it expects. I have a HelloWorld service running on my machine and after running wsdl2java command, below web service client components are generated in the following packages. Containers, Kubernetes & OpenShift. XPathFactory is an abstract class with two static newInstance() methods (newInstance() and newInstance(String uri)) that instantiate the concrete subclass designated as the javax. Message Body. Download It – Struts2-Hello-World-Annotation-Example. Apache Camel Example : WebService Client. In this article, we will discuss using the Apache Camel-ZooKeeper component, and how we can set up a fail-over scenario for Apache Camel routes. Apache Camel with SQL Example. Please note that Che 7 is still in beta. x no JAX-RS 2. To use JSON in your camel routes you need to add the a dependency on camel-jackson which implements this data format. In this post we will be calling and consuming an existing REST Service using Apache Camel Route. Also note the namespace declarations at the end of the tag--these are required because the combined "{namespace}localName" syntax is presently not supported for this tag's attribute values. The idea is to show Camel as a client connecting to a remote Artemis broker. Learn to develop a stand alone Java camel app that read the data from Kafka and persist in to DB. Apache Camel can be executed as a standalone application or be embedded in a existing application. These will be a series of articles wherein i will try to cover most of the basic aspects of camel that you will be asked or the questions you can ask to a person who is an expert in camel framework. Enterprise integration patterns, Apache Camel, EIP Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Integrating with JAX-RS: If you’ve already built a REST service with the JAX-RS specification (for example, using a framework like Apache CXF), then you can use Camel to implement the logic behind your web services. 0 onwards of Apache ActiveMQ comes complete with full support for the Enterprise Integration Patterns (from the excellent book by Gregor Hohpe and Bobby Woolf) via the Apache Camel library. Gist for my wordpress blog post on a CSV to Mongo insert with Apache Camel - CSVToJson. such as Hadoop and Camel also use Jackson for handling data definition in. ; Dependencies. This example uses the following frameworks: Maven 3. We also use DBUNit to mock a database with some predefined values. The Camel CXF component provides an integration with Apache CXF, enabling you to send and receive SOAP messages from Apache Camel endpoints. Available as of Camel 2. XPathFactory service provider. It makes integration easier by providing connectivity to a very large variety of transports and APIs. Apache camel usage with examples Apache camel is an open source integration framework that supports numerous enterprise integration patterns. sighting in a three-day “Neuroeconomics has in principle the possibility to tell us a lot, but we are not there yet,” says Ariely. Jackson JSON Dataformat can not unmarshal what it has marshaled. 今回は、Spring XMLでCamelを記述することで、twitterとelasticsearchを連携させてみましょう。「Camelって何?」って人は、前回までの内容を確認しておきましょう。 Apache Camel入門(その1 OSSをつなぐOSS) - Taste of Tech Topics twitterとelasti…. CXF and Blueprint. Kubernetes tips for. Apache Camel for Visual Studio Code. To use JSON in your camel routes you need to add the a dependency on camel-jackson which implements this data format. Calling a SOAP web service. This tutorial will demo how to use Netty Component in Apache Camel. Note that we recommend you look at using Apache Camel for bridging ActiveMQ to or from any message broker (or indeed any other technology, protocol or middleware) as its much easier to:. 1BestCsharp blog 5,839,846 views. Calling a SOAP web service. Tech company Tencent, for example, is among the world’s five most valuable firms. can be configured using ActiveMQ or Spring configuration (XML or Java Configuration) provides advanced messaging features such as message groups, virtual and composite destinations, and wildcards; provides support for Enterprise Integration Patterns when used with Spring Integration or Apache Camel. failOnNullBody: true: Camel 2. This example will create an OSGi bundle containing a bean called … - Selection from Mastering Apache Camel [Book]. camel / examples / camel-example-spring-boot-rest-jpa / pom. SFTPTest: This test-case shows how to use the Apache Camel FTP component. Hi Mkyong, first of all thank you so much for producing top quality materials and tutorials, so much appreciated. Apache Camel for Visual Studio Code. Apache Camel has included support for distributed tracing using OpenTracing since Camel version 2. Camel Splitter Aggregator Example. By using netty component with camel in the example, this article is going to achieve these goals: Create a TCP Socket server as camel endpoint with netty component, waiting for TCP client. Camel Spring with XML DSL Last Release on Oct 1, 2019 4. Sample SQL Apache Camel route. HttpClient Examples. such as Hadoop and Camel also use Jackson for handling data definition in. In order to marshal the XML to a Java object, you must also annotate the Java class that you want to use. The REST DSL is effectively a facade that provides a simplified syntax for defining REST services in a Java DSL or an XML DSL (Domain Specific Language). If you still want to use an old version you can find more information in the Maven Releases History and can download files from the archives for versions 3. Any problems email [email protected] JacksonDataFormat. This is a preview release of the Visual Studio Code extension that adds Apache Camel language support for XML DSL and Java DSL code. For XML Encryption support, please refer to the XML Security Data Format. Calling a SOAP web service. If you've followed my Apache Camel tutorial on this site, then you've seen a Camel archetype in action already. camel camel 2. In the previous example apache camel activemq example we created a simple example to read data from a file and send it to the queue. During a poster session at the Grace Hopper Celebration of Women in Computing (September 26 - 28, 2018 in Houston), we will walk audiences through developing their first Camel route using the REST DSL. Information set “upstream” from the Kura application can be received by the Camel cloud service instance of the following endpoint vm:camel:example. org: Apache Software Foundation: Popular Tags. When I started doing this implementation I found very little resource in the internet covering the end-to-end processes depicted above. Converting CSV to XML is common problem across IT industry where CSV might be the input imported by user and Web-Service might be expecting XML formatted data to run the business logic. But, once built, with the appropriate connectivity, a Camel application can use just XML to describe the rules. The examples can be run using Maven. For example with Java you can do as shown below:. To use JSON in your camel routes you need to add the a dependency on camel-jackson which implements this data format. A simple self-contained example of using Apache Camel to route Apache Camel Content Enricher Example This works without any configuration as long as the camel-jackson library is on the. Apache Camel can be executed as a standalone application or be embedded in a existing application. This documentation page focuses on the Apache Camel Streamer, which can also be thought of as a Universal Streamer because it allows you to consume from any technology or protocol supported by Camel into an Ignite Cache. You can if you prefer use a named reference to a data format which can then be defined in your Registry such as via your Spring XML file. xml consists of:. Available as of Camel 2. Apache Camel is an open source integration framework which was started in early 2007. Camel Splitter Aggregator Example. SFTPTest: This test-case shows how to use the Apache Camel FTP component. properties file. For example if you use Spring Boot, then Spring Boot can provide. 0 onwards of Apache ActiveMQ comes complete with full support for the Enterprise Integration Patterns (from the excellent book by Gregor Hohpe and Bobby Woolf) via the Apache Camel library. We should have an example that uses Camel with ActiveMQ Artemis as the broker. ResultHandlerFactory which is capable of using custom org. In the Apache Camel distribution, camel-example-swagger-cdi and camel-example-swagger-java demonstrate the use of the camel-swagger-java module. 3: Allows you to use a custom org. View the individual example READMEs for details. Here I'll demonstrate how to create a new Camel project from the Java archetype, using the Maven command line utility. Apache Camel with SQL example Application Structure. Features of Apache Camel. Camel will store the restlet response from the external server on the OUT body. Claus Ibsen • Senior Principal Software Engineer at Red Hat • Apache Camel 8 years full time • Author of Camel in Action books @davsclaus davsclaus davsclaus. This example uses the following frameworks: Maven 3. xml, substituting the version number for the latest & greatest release (see the download page for the latest versions). Deploying Spring Boot onto Kubernetes. GitHub Gist: instantly share code, notes, and snippets. If you are using Jackson to unmarshal XML to a list of map/pojo, you can now specify this by setting useList="true" or use the org. xml, substituting the version number for the latest & greatest release (see the download page for the latest versions ). Camel User Guide Apache ServiceMix Version 6. Many of these components can easily be used separately outside the domains of SVG and XSL-FO. camel camel-xstream 2. We will create a REST web service with XML configuration. Example – creating an OSGi bundle with a bean We illustrate the use of beans in a simple example. 1 should be a straight-forward thing to accomplish. In this tutorial, you will learn how to achieve data transformation by converting the XML format to JSON and JSON to XML using Apache Camel. I would like to sort the xml files based on their content. This is part 2 of the Beginners guide to Apache Camel with ServiceMix. Here we present a fully-working Apache Camel Blueprint project. It exposes some of the useful ObjectMapper properties for configuration via Spring application properties. This is a preview release of the Visual Studio Code extension that adds Apache Camel language support for XML DSL and Java DSL code. The reason I didn’t use CXF is that the NDFD is using RPC encoding which is an old web standard not supported by the current version of CXF. Maven Dependenci. Camel provides several archetypes for you to choose from. Calling a SOAP web service. I managed to configure ObjectMapper for Camel quite conveniently using org. Camel; CAMEL-5604; camel-jackson - Make it easier to support List as output out of the box. The examples can be run using Maven. In fact Apache Service Mix 4. So let's start with a simple example. At its core, Apache Camel is an integration engine, which - simply put - can be used to facilitate interactions between a wide and varied array of technologies. Enterprise Integration Patterns. 1) The Apache Camel REST DSL Apache Camel offers a REST DSL which makes it really easy to create a simple REST service. See the code below :. Any problems email [email protected] We are just relying camel's core components, the spring based components and the logger component in case you want to log something so our pom. So, to give you a taste of what's going to be a simple project calling Web Services with Apache Camel here is the step-by-step procedure: I'll be using the FuseIDE for that but the artifacts generated are pretty much the same if you choose the Maven approach. We can keep our XML files in project classpath. Doing this will allow your BPMN process to communicate with the Camel routes using the ${camel} expression The definition of SimpleContextProvider allows to connects a deployed process definition on the Activiti Engine to a Camel context. This allows you to process messages differently based on their content. 0 introduces a new "out-of-the-box" component which allows to configure a set of XML based routes. In addition to that a set of Camel routes have to be provided. To use Jackson in your camel routes you need to add the dependency on camel-jackson which implements this data format. In this article, we presented an introduction to integration patterns using Apache Camel and demonstrated them on few examples. A short example what I did until know: My camel route:. i am using blueprint for data fatching from mysql server, tale me how to validate my input data is correct or not in json. You can if you prefer use a named reference to a data format which can then be defined in your Registry such as via your Spring XML file. Dont worry, if you are new to apache camel, a few minutes of reading apache camel will get you started. Once the extender determines that a bundle is a Blueprint bundle, it creates a Blueprint Container on behalf of that bundle. Reading from and writing to files in Apache Camel. The examples listed below are hosted at Apache. 1 and upwards. 0: Categories: Enterprise Integration: Tags: apache camel integration: Used By: 1,361 artifacts. This way we have both the technologies collaborating seamlessly. Hi, I'm trying to build a solution when I marshal POJO into JSON and send over JMS to a remote machine. Introduction In this segment, we will see an example to integrate Apache Camel with SpringBoot to create a REST API. For example, you can easily route. One of the examples in this page listed was the Twitter Websocket Example. Be sure to include the JAX-WS schemaLocation attribute specified on the root beans element. RELEASE and utilize Spring Jackson JSON integration to send JSON response in the rest call response. In this article, we will see how to split XML file using Apache Camel split and XPath support. A simple self-contained example of using Apache Camel to route Apache Camel Content Enricher Example This works without any configuration as long as the camel-jackson library is on the. These bridges between services and technologies are called. The motivation to bring in yet another XML data format is that this format is very easy to work with in ad hoc scenarios, with no schema or POJO in place. Using ActiveMQ > Xml Reference. For XML Encryption support, please refer to the XML Security Data Format. Hi, Test your knowledge on Apache camel by answering the below basic yet important questions about Camel. Apache Camel provides support for Bean Binding and seamless integration with popular frameworks such as Spring, Blueprint and Guice. Using Apache camel it is extremely easy to configure and implement such business requirements. For example, HTTP BC can receive a message and can send it to Camel SE which can mediate, route, process the message, can invoke OpenESB’s JMS BC and can reply to. In this tutorial, you will learn how to achieve data transformation by converting the XML format to JSON and JSON to XML using Apache Camel. In previous Apache Camel + Spring we had written a integrated Camel Java DSL and Spring. The tutorial will guide you how to start with Apache Camel by Spring Boot. can be configured using ActiveMQ or Spring configuration (XML or Java Configuration) provides advanced messaging features such as message groups, virtual and composite destinations, and wildcards; provides support for Enterprise Integration Patterns when used with Spring Integration or Apache Camel. XML Security component. GitHub Gist: instantly share code, notes, and snippets. Reading from and writing to files in Apache Camel. Architecture design for system integration is one of the biggest challenges for software engineers. In previous Apache Camel Java DSL Example we had written a simple Java DSL route to transfer from one folder to another. 11/08/2012 Christian Müller 11/08/2012 Apache Camel in Action Common problems, solutions and best practices ApacheCon Europe 2012 - Sinsheim. camel camel-core ${camel-version} Camel Router. Since I had not used the aggregator much before I started by reading through the Camel Aggregator documentation. Apache Camel - Delay when exception occurs Tag: apache-camel I have written a camel route that polls a file folder, picks up request, checks for memory consumption on server (in a java file). Now, let us see how Apache Camel can come to your rescue to provide an elegant, maintainable, scalable solution architecture for the described scenario. One of the examples in this page listed was the Twitter Websocket Example. if the bundle contains a Blueprint or Spring XML file, the next 2 columns will show you if the beans defined there were created successfully. All headers from the IN message will be copied to the OUT message, so that headers are preserved during routing. Great article, thanks. However there is a drawback doing this as JMS selectos is slower. Hi, I'm trying to build a solution when I marshal POJO into JSON and send over JMS to a remote machine. We will now use Spring configuration to call a similar Java DSL route. Using the MINA component in Apache Camel. In the example, we will see how to connect ActiveMQ Broker using Camel Active MQ Component. Main method If you need to create simple integration platform that will run as a classical JSE Main application, you need to use Main class from org. Here we will do this conversion in two steps, and both the steps are useful for applicable applications. JAXB (Java Architecture for XML Binding) is an XML-based data format that can easily be mapped to and from Java objects. Read on to see how I did this using the splitter and aggregator patterns with Apache Camel. A simple scheduler using camel-quartz. 0 Client API is supported and CXF specific Client API is located in the cxf-rt-frontend-jaxrs module. Message Body. x no JAX-RS 2. We will create a REST web service with XML configuration. Using the Direct, VM and SEDA components in Camel. It is an EIP (Enterprise Integration Pattern) based approach which provides. Note that we recommend you look at using Apache Camel for bridging ActiveMQ to or from any message broker (or indeed any other technology, protocol or middleware) as its much easier to:. A very high level overview of Apache Camel. Jackson XML is a Data Format which uses the Jackson library with the XMLMapper extension to unmarshal an XML payload into Java objects or to marshal Java objects into an XML payload. Specifying the Router Schema Location. Notice by changing the start/end token you change those in all the Camel applications which share the same camel-core on their classpath. When you add this extension to your installation of VS Code, the VS Code editor provides the following features:. Data Transformation means transforming data from one form to another. XML Security component. xml into JSON format and name it movies. The tutorial will guide you how to start with Apache Camel by Spring Boot. But let's consider simply many and large instead. This example will create an OSGi bundle containing a bean called … - Selection from Mastering Apache Camel [Book]. I have a simple Hello World example that passes a Map to Camel and displays the values to the console via Log4J. Enterprise Integration Patterns. The service is exposed as a REST resource, and it uses two other resources to collect the data required. This writeup assumes that the reader has a basic knowledge of camel. This post explains how to implement splitter and aggregator enterprise integration patterns using Camel AggregationStrategy. Getting started with Apache Camel presentation at BarcelonaJUG, january 2014 1. Learn to develop a stand alone Java camel app that read the data from Kafka and persist in to DB. camel camel 2. I want to expand this example to render this map in JSON by adding the Jackson library to my Camel applicationContext. All headers from the IN message will be copied to the OUT message, so that headers are preserved during routing. 16, you can enhance the documentation generated by Swagger by defining parameter details such as name, description, data type. Apache Camel is very powerful, yet very simple to use. Using HTTP-based endpoints with Apache Camel On a recent discussion, a partner was trying to use Apache ActiveMQ HTTP Transport Connectors to receive HTTP requests from a non-JMS Web application and asked me what I would think it could be a good approach to the use-case. This allows CXF to validate the file and is required. The tutorial is developed in Spring STS IDE for creating Spring MVC skeleton code easily and then extended to implement Restful architecture. We will import our XML file in java configuration. For XML Encryption support, please refer to the XML Security Data Format. The examples can be run using Maven. Apache Camel with SQL Example. xml file describes, like any JEE web framework register org. If you are using Jackson to unmarshal XML to a list of map/pojo, you can now specify this by setting useList="true" or use the org. Before diving into the main content I'll just give some short snippets about the technology used here. Apache Camel is an open source framework for message-oriented middleware with a rule-based routing and mediation engine that provides a Java object-based implementation of the Enterprise Integration Patterns using an application programming interface (or declarative Java domain-specific language) to configure routing and mediation rules. Apache camel is a light weight framework. In previous Apache Camel Java DSL Example we had written a simple Java DSL route to transfer from one folder to another. Claus Ibsen (@davsclaus) riding the Apache Camel Works for Red Hat on open source integration projects such as Apache Camel, fabric8 and hawtio. In order to marshal the XML to a Java object, you must also annotate the Java class that you want to use. Camel's choice() and when() - with examples Updated: February 08, 2019 Apache Camel contains a powerful feature called the Content Based Router. S2I builds in OpenShift. Jackson XML. Here file is loaded as before, but unmarshalling is done inside splitter which at first splits XML on movie tags. RELEASE; Eclipse as the IDE, version Luna 4. Camel is a Routing and Mediation Engine and facilitates the developers to create routes and mediation rules in variety of Domain Specific language(DSL) such as java, Spring/XML, Scala etc. For example, XML to CSV, XML to JSON, etc. For instance, if you receive an XML message from an endpoint, you can: Directly … - Selection from Mastering Apache Camel [Book]. JavaInUse 43,488 views. Data format Camel supports a pluggable data format allowing you to marshall and unmarshall the messages. In this post we will integrate Apache Camel Java DSL and Spring. Getting Started with Apache Camel. Calling a SOAP web service. This is part 2 of the Beginners guide to Apache Camel with ServiceMix. ; Dependencies. Apache Camel might change the way you think about integration. Great article, thanks. GitHub Gist: instantly share code, notes, and snippets. Apache Camel for Visual Studio Code. Data Transformation means transforming data from one form to another. To be operational, each aggregator uses two table: the aggregation and completed one. apache camel and jackson. Plugins are the primary way to extend Maven. Before diving into the main content I'll just give some short snippets about the technology used here. When using the Maven command, Maven will attempt to download the required dependencies from a central repository to your local repository. The following example logs all messages received on the topic foo/bar to a logger named MESSAGE_FROM_CLOUD:. If you are using Jackson to unmarshal XML to a list of map/pojo, you can now specify this by setting useList="true" or use the org. Camel Spring with XML DSL Last Release on Oct 1, 2019 4. Once the extender determines that a bundle is a Blueprint bundle, it creates a Blueprint Container on behalf of that bundle. Provides completion features for Apache Camel URI elements in Java DSL. Data Transformation in Apache Camel can be achieved by using Processor in routing logic, using bean, or by using Transform() in DSL. Apache camel is a light weight framework. We basically deconstruct some of the magic that Spring Boot otherwise takes care of for. It makes integration easier by providing connectivity to a very large variety of transports and APIs. Be sure to include the JAX-WS schemaLocation attribute specified on the root beans element. If you use maven you could just add the following to your pom. org: Apache Software Foundation: Popular Tags. This example will create an OSGi bundle, which will create two Camel - Selection from Mastering Apache Camel [Book]. i am using blueprint for data fatching from mysql server, tale me how to validate my input data is correct or not in json. Here I'll demonstrate how to create a new Camel project from the Java archetype, using the Maven command line utility. Take a look at camel-context. I have found that Apache Camel is a good way to load data from log files into a database. In this article, we will discuss using the Apache Camel-ZooKeeper component, and how we can set up a fail-over scenario for Apache Camel routes. xml, substituting the version number for the latest & greatest release (see the download page for the latest versions). Here is a screenshot of the configuration in the FUSE IDE: In this example, we're creating a MINA consumer endpoint that listens on port 8888, using the textline codec and sync means that we'll be using a synchronous exchange where the client can read a response from the MINA component. The basic unit of work in Apache Camel is route. Starting with version 2, it has also introduced a mature XML implementation alongside its established JSON support. 11/08/2012 Christian Müller 11/08/2012 Apache Camel in Action Common problems, solutions and best practices ApacheCon Europe 2012 - Sinsheim. You are looking for some examples to learn how to implement bundle for Apache Karaf ? There is some usefull examples include in the source code, you can also browse and view documentation on the github of the projet. Apache Camel is an open-source framework to exchange, route and transform data using various protocols. One of the examples in this page listed was the Twitter Websocket Example. preparationforinterview. With this introduction, we will understand how we configured web. Introduction to Apache Camel 1. Apache Camel is an awesome framework to integrate applications with different technologies.