Dozer is a framework that maps fields from source bean to target bean.
Practical scenarios to map source bean to target bean?
1) Applications A and B might be having different contracts and objects need to be converted from A to B. For example, Mapping JAXB Objects to Business/Domain Objects.
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This tutorial compliments Basic Dozer Tutorial by adding Spring.
Step 1: Create a simple Maven project from a command-line. Just press enter for all the prompts.
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mvn archetype:generate -DgroupId=com.mytutorial -DartifactId=simple-dozer |
Step 2: Import the above “simple-dozer” folder in the file system into eclipse.
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This assumes that you have gone through “Setting up Java, Maven, and Eclipse”
#1. Creating the source folder like src/main/java, src/main/resource, etc via eclipse IDE
To create a new source folder under src/main/, right mouse click on project say “simple”.
click on finish.
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You can take a Java POJO (i.e. Plain Old Java Object) and expose it as an MBean, and view or modify values via JMX. In this tutorial, we will use jconsole, which is a JMX client. Step 1: Create a new Maven based Java project.
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mvn archetype:generate -DgroupId=com.mytutorial -DartifactId=simpleMbean -DinteractiveMode=false |
Step 2: Import it...
Findbugs is an open source project for a static analysis of the Java bytecode to identify potential software bugs.
Step 1: The pom.xml with the findbug & site reporting plugins and properties.
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.mytutorial</groupId> <artifactId>simpleSpringRestWeb</artifactId> <version>1.0-SNAPSHOT</version> <packaging>war</packaging> <name>simpleSpringRestWeb</name> <url>http://maven.apache.org</url> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <slf4j.version>1.7.10</slf4j.version> <commons-logging.version>1.1.1</commons-logging.version> <spring.version>4.0.9.RELEASE</spring.version> <javac.src.version>1.7</javac.src.version> <javac.target.version>1.7</javac.target.version> <test.coverage.rate>100</test.coverage.rate> <cobertura.skip>true</cobertura.skip> <findbugs.skip>false</findbugs.skip> <findbugs.failOnError>false</findbugs.failOnError> </properties> <dependencies> //..... <dependency> <groupId>net.sourceforge.findbugs</groupId> <artifactId>jsr305</artifactId> <version>1.3.7</version> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.codehaus.mojo</groupId> <artifactId>findbugs-maven-plugin</artifactId> <executions> <execution> <goals> <goal>check</goal> </goals> </execution> </executions> <configuration> <effort>Max</effort> <threshold>Low</threshold> <skip>${findbugs.skip}</skip> <failOnError>${findbugs.failOnError}</failOnError> <xmlOutput>true</xmlOutput> <excludeFilterFile>src/main/resources/findbugs/excludeFilter.xml</excludeFilterFile> <outputDirectory>target/site</outputDirectory> <xmlOutput>true</xmlOutput> </configuration> </plugin> </plugins> </build> <reporting> <plugins> <plugin> <groupId>org.codehaus.mojo</groupId> <artifactId>findbugs-maven-plugin</artifactId> <version>2.5.5</version> </plugin> <!-- Normally, we take off the dependency report, saves time. --> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-project-info-reports-plugin</artifactId> <version>2.7</version> <configuration> <dependencyLocationsEnabled>false</dependencyLocationsEnabled> </configuration> </plugin> </plugins> </reporting> </project> |
Step 2: Exclude certain classes with an exclude filter
src/main/resources/findbugs/excludeFilter.xml
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<FindBugsFilter> <Match> <Package name="~.*\.dto.*" /> </Match> </FindBugsFilter> |
Step 3: Running mvn command to spot bugs
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mvn clean package |
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[INFO] Error size is 0 [INFO] Total bugs: 1 [INFO] com.mytutorial.Hello doesn't override org.springframework.hateoas.ResourceSupport.equals(Object) [com.mytutorial.Hello] At Hello.java:[line 1] [INFO] |
Step 4: Running mvn command to report bugs
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mvn site |
this creates the file “findbugs.html”
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Firstly, decide on the specification version. If you are using FIX spec 4.4 then go to https://fixspec.com/FIX44. The tutorials with QuickFIX/J used NewSingleOrder as the request. The message has the fields like Tag number. … Read more ›...
QuickFixJ is a FIX (Financial Information eXchange) engine for Java. Handy to have knowledge on FIX protocol if you aspire to work for investment banks and other financial services companies. FIX router and FIX engines are depicted below. Step 1: Create a new Maven based Java project. … Read more...
This assumes that you have setup groovy as per Setting up Groovy and groovysh beginner for eval exp, dynamic typing, operator overloading & closure.
Step 1: Start the groovyConsole from a command prompt
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c:\TOOLS\groovy-2.4.3\bin>groovyConsole |
Step 2: Run the following Groovy Plain Old Object code
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package com.plain.old.groovy.object public class Person{ String firstName String lastName int age def address static void main(def args) { Person p = new Person() // use the generated access methods p.setFirstName("John") // also uses the generated access method p.lastName = "Smith" p.address = ("Alice Street"); println(p.firstName + " " + p.lastName); // use the generated constructor p = new Person(firstName: "Samuel", lastName:"Pearce"); println(p.firstName + " " + p.lastName); } } |
Execute it as a Groovy script.
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This assumes that you have setup groovy as per Setting up Groovy.
#1: Running groovysh
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c:\TOOLS\groovy-2.4.3\bin>groovysh |
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Groovy Shell (2.4.3, JVM: 1.6.0_45) Type ':help' or ':h' for help. -------------------------------------- groovy:000> |
You can now type your expressions on the “groovy:000>” prompt like
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groovy:000> println "Hello Groovy" Hello Groovy ===> null groovy:000> |
Q1.
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Q. How will you copy files more robustly in DOS?
A. Using the Robocopy (stands for Robust File Copy) or Xcopy command line utilities. Check for its options with “robocopy /?“.
Q.
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Step 1: The ER diagram showing the relationships among the tables. The column names and types are omitted to keep it simple. Step 2: The basic table details. The UserApp table uses “UserName” … Read more ›...
This tutorial is basically an extension to the “Setting up” Java” and “JDBC tutorials”. Hibernate is an ORM (Object to Relational Mapping) tool. Step 1: First step is to bring in the relevant Hibernate framework jar files like hibernate-xxx.jar, hibernate-annotations-xxxx.jar, … Read more ›...
Step 1: Assumes that you have gone through the Part-1: Pentaho with user defined Java transformer tutorial. In this tutorial, we will execute the ETL transformation created via Kettle in Part-1. Step 2: The “pom.xml” file to include Pentaho Data Integration (i.e. … Read more ›...