Spring Framework is a popular and stable Java application framework that reduces dependencies and provides solutions to common coding problems like working with databases and web services. It uses dependency injection and aspect-oriented programming to increase modularity. The framework manages Java objects called beans, creating and injecting their dependencies based on bean definition files. This allows applications to access services without needing to understand their implementation.
MuleSoft ESB Message Enricher
Need to enrich an incoming message with information that isn’t provided by the source system. Use a content enricher if the target system needs more information than the source system can provide.
The objective of this tutorial is to demonstrate the workaround needed to invoke an Oracle Stored Procedure
from Mule ESB flow by passing Java arrays as parameters.
The use case for this tutorial is a simple one such as inserting student records from a CSV file into an Oracle
database table through a stored procedure where one of the parameters is an array holding the student’s marks.
Aspect-Oriented Programming (AOP) complements Object-Oriented Programming (OOP) by providing another way of thinking about program structure. The key unit of modularity in OOP is the class, whereas in AOP the unit of modularity is the aspect. Aspects enable the modularization of concerns such as transaction management that cut across multiple types and objects. (Such concerns are often termed crosscutting concerns in AOP literature.)
One of the key components of Spring is the AOP framework. While the Spring IoC container does not depend on AOP, meaning you do not need to use AOP if you don't want to, AOP complements Spring IoC to provide a very capable middleware solution.
Spring Framework combines all the industry standard framework approaches (e.g. Struts and Hibernate) into one bundle. Spring provides Dependency Injection, Aspect Oriented Programming and support for unit testing. This gives the developer time to work on main business logic rather than worrying about non-application code.
Thinking about incorporating digital trends like AR/VR, IoT, and cognitive analytics into your business? What should you think about? How can you derive enterprise value from these trends? Join Bill Briggs, the CTO of Deloitte Consulting, LLP, and Ross Mason, the founder and VP of Product Strategy at MuleSoft, who will talk about how organizations are using these trends and what you need to know to get started.
MuleSoft ESB Message Enricher
Need to enrich an incoming message with information that isn’t provided by the source system. Use a content enricher if the target system needs more information than the source system can provide.
The objective of this tutorial is to demonstrate the workaround needed to invoke an Oracle Stored Procedure
from Mule ESB flow by passing Java arrays as parameters.
The use case for this tutorial is a simple one such as inserting student records from a CSV file into an Oracle
database table through a stored procedure where one of the parameters is an array holding the student’s marks.
Aspect-Oriented Programming (AOP) complements Object-Oriented Programming (OOP) by providing another way of thinking about program structure. The key unit of modularity in OOP is the class, whereas in AOP the unit of modularity is the aspect. Aspects enable the modularization of concerns such as transaction management that cut across multiple types and objects. (Such concerns are often termed crosscutting concerns in AOP literature.)
One of the key components of Spring is the AOP framework. While the Spring IoC container does not depend on AOP, meaning you do not need to use AOP if you don't want to, AOP complements Spring IoC to provide a very capable middleware solution.
Spring Framework combines all the industry standard framework approaches (e.g. Struts and Hibernate) into one bundle. Spring provides Dependency Injection, Aspect Oriented Programming and support for unit testing. This gives the developer time to work on main business logic rather than worrying about non-application code.
Thinking about incorporating digital trends like AR/VR, IoT, and cognitive analytics into your business? What should you think about? How can you derive enterprise value from these trends? Join Bill Briggs, the CTO of Deloitte Consulting, LLP, and Ross Mason, the founder and VP of Product Strategy at MuleSoft, who will talk about how organizations are using these trends and what you need to know to get started.
Introduction to the Spring Framework:
Generar description
IoC container
Dependency Injection
Beans scope and lifecycle
Autowiring
XML and annotation based configuration
Additional features
Spring tutorial for beginners - Learn Java Spring Framework version 3.1.0 starting from environment setup, inversion of control (IoC), dependency injection, bean scopes, bean life cycle, inner beans, autowiring, different modules, aspect oriented programming (AOP), database access (JDBC), Transaction Management, Web MVC framework, Web Flow, Exception handling, EJB integration and Sending email etc.
In this session you will learn:
Including Files at Request Time: jsp:include
Understanding jsp:include vs. <%@ include … %>
Options for Deploying Applets
Using jsp:plugin
Attributes of the jsp:plugin Element
Using JavaBeans Components in JSP Documents
Background: What Are Beans?
Using Beans: Basic Tasks
Setting Simple Bean Properties: jsp:setProperty
JSP Page That Uses StringBean(Code)
Conditional Bean Operations
Sharing Beans in Four Different Ways
Session-Based Sharing: Code
Application-Based Sharing: Code
Application-Based Sharing: Result
For more information, visit this link: https://www.mindsmapped.com/courses/software-development/online-java-training-for-beginners/
Alfresco’s highly customizable repository can often seem overwhelming. Learn approaches for adding common customizations requests (Extending Javascript API, Content Modeling, Permission Modeling, packaging, etc.) from current and former Alfresco consulting staff. Learn where we often see the most common errors and participate in open Q&A.
Spring Day | Spring 3.1 in a Nutshell | Sam BrannenJAX London
2011-10-31 | 11:45 AM - 12:30 PM
Spring 3.1 introduces several eagerly awaited features including bean definition profiles (a.k.a., environment-specific configuration), enhanced Java-based application and infrastructure configuration (a la XML namespaces), and a new cache abstraction. This session will provide attendees with a high-level overview of these major new features, plus a quick look at additional enhancements to the framework such as the new c: namespace for constructor arguments, support for Servlet 3.0, improvements to Spring MVC and REST, and Spring's new integration testing support for profiles and configuration classes.
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Macroeconomics- Movie Location
This will be used as part of your Personal Professional Portfolio once graded.
Objective:
Prepare a presentation or a paper using research, basic comparative analysis, data organization and application of economic information. You will make an informed assessment of an economic climate outside of the United States to accomplish an entertainment industry objective.
The French Revolution, which began in 1789, was a period of radical social and political upheaval in France. It marked the decline of absolute monarchies, the rise of secular and democratic republics, and the eventual rise of Napoleon Bonaparte. This revolutionary period is crucial in understanding the transition from feudalism to modernity in Europe.
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How to Make a Field invisible in Odoo 17Celine George
It is possible to hide or invisible some fields in odoo. Commonly using “invisible” attribute in the field definition to invisible the fields. This slide will show how to make a field invisible in odoo 17.
Read| The latest issue of The Challenger is here! We are thrilled to announce that our school paper has qualified for the NATIONAL SCHOOLS PRESS CONFERENCE (NSPC) 2024. Thank you for your unwavering support and trust. Dive into the stories that made us stand out!
The Roman Empire A Historical Colossus.pdfkaushalkr1407
The Roman Empire, a vast and enduring power, stands as one of history's most remarkable civilizations, leaving an indelible imprint on the world. It emerged from the Roman Republic, transitioning into an imperial powerhouse under the leadership of Augustus Caesar in 27 BCE. This transformation marked the beginning of an era defined by unprecedented territorial expansion, architectural marvels, and profound cultural influence.
The empire's roots lie in the city of Rome, founded, according to legend, by Romulus in 753 BCE. Over centuries, Rome evolved from a small settlement to a formidable republic, characterized by a complex political system with elected officials and checks on power. However, internal strife, class conflicts, and military ambitions paved the way for the end of the Republic. Julius Caesar’s dictatorship and subsequent assassination in 44 BCE created a power vacuum, leading to a civil war. Octavian, later Augustus, emerged victorious, heralding the Roman Empire’s birth.
Under Augustus, the empire experienced the Pax Romana, a 200-year period of relative peace and stability. Augustus reformed the military, established efficient administrative systems, and initiated grand construction projects. The empire's borders expanded, encompassing territories from Britain to Egypt and from Spain to the Euphrates. Roman legions, renowned for their discipline and engineering prowess, secured and maintained these vast territories, building roads, fortifications, and cities that facilitated control and integration.
The Roman Empire’s society was hierarchical, with a rigid class system. At the top were the patricians, wealthy elites who held significant political power. Below them were the plebeians, free citizens with limited political influence, and the vast numbers of slaves who formed the backbone of the economy. The family unit was central, governed by the paterfamilias, the male head who held absolute authority.
Culturally, the Romans were eclectic, absorbing and adapting elements from the civilizations they encountered, particularly the Greeks. Roman art, literature, and philosophy reflected this synthesis, creating a rich cultural tapestry. Latin, the Roman language, became the lingua franca of the Western world, influencing numerous modern languages.
Roman architecture and engineering achievements were monumental. They perfected the arch, vault, and dome, constructing enduring structures like the Colosseum, Pantheon, and aqueducts. These engineering marvels not only showcased Roman ingenuity but also served practical purposes, from public entertainment to water supply.
Welcome to TechSoup New Member Orientation and Q&A (May 2024).pdfTechSoup
In this webinar you will learn how your organization can access TechSoup's wide variety of product discount and donation programs. From hardware to software, we'll give you a tour of the tools available to help your nonprofit with productivity, collaboration, financial management, donor tracking, security, and more.
A Strategic Approach: GenAI in EducationPeter Windle
Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
Operation “Blue Star” is the only event in the history of Independent India where the state went into war with its own people. Even after about 40 years it is not clear if it was culmination of states anger over people of the region, a political game of power or start of dictatorial chapter in the democratic setup.
The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
Embracing GenAI - A Strategic ImperativePeter Windle
Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
Overview on Edible Vaccine: Pros & Cons with Mechanism
Spring introduction
1. 1
Spring Framework
• A popular and stable Java application
framework for enterprise development
– Ubiquitous for Java development
– Well established in enterprise Java apps
– Time tested and proven reliable
• A primary purpose is to reduce
dependencies and even introduce
negative dependencies
– Different from almost every other framework out there
– Part of the reason it has been adopted so quickly
URL: http://www.springframework.org/
2. 2
Spring code structure
• Spring code base is proven to be well
structured (possibly the best)
– http://chris.headwaysoftware.com/2006/07/springs_structu.html
• Analysis using Structure 101
• 139 packages
• No dependency cycles
3. 3
More Spring
• Considered an alternative / replacement
for the Enterprise JavaBean (EJB) model
• Flexible
– Programmers decide how to program
• Not exclusive to Java (e.g. .NET)
• Solutions to typical coding busywork
– JDBC
– LDAP
– Web Services
URL: http://en.wikipedia.org/wiki/Spring_framework
4. 4
What does Spring offer?
• Dependency Injection
– Also known as IoC (Inversion of Control)
• Aspect Oriented Programming
– Runtime injection-based
• Portable Service Abstractions
– The rest of spring
• ORM, DAO, Web MVC, Web, etc.
• Allows access to these without knowing how they
actually work
5. 5
Dependency Injection defined
• Method to create needed dependencies or look
them up somehow without doing it in the
dependent code
– Often called Inversion of Control (IoC)
• IoC injects needed dependencies into the object
instead
– Setters or Contructor
• Primary goal is reduction of dependencies in
code
– an excellent goal in any case
– This is the central part of Spring
URL: http://en.wikipedia.org/wiki/Inversion_of_Control
6. 6
Aspect Oriented Programming
defined
• Attempts to separate concerns, increase
modularity, and decrease redundancy
– Separation of Concerns (SoC)
• Break up features to minimize overlap
– Don’t Repeat Yourself (DRY)
• Minimize code duplication
– Cross-Cutting Concerns
• Program aspects that affect many others (e.g. logging)
• AspectJ is the top AOP package
– Java like syntax, IDE integration
URL: http://en.wikipedia.org/wiki/Aspect-oriented_programming
7. 7
Portable Service Abstractions
defined
• Services that easily move between
systems without heavy reworking
– Ideally easy to run on any system
– Abstraction without exposing service
dependencies
• LDAP access without knowing what LDAP is
• Database access without typical JDBC hoops
• Basically everything in Spring that is not
IoC or AOP
8. 8
What is a bean?
• Typical java bean with a unique id
• In spring there are basically two types
– Singleton
• One instance of the bean created and referenced
each time it is requested
– Prototype (non-singleton)
• New bean created each time
• Same as new ClassName()
• Beans are normally created by Spring as
late as possible
9. 9
What is a bean definition?
• Defines a bean for Spring to manage
– Key attributes
• class (required): fully qualified java class name
• id: the unique identifier for this bean
• configuration: (singleton, init-method, etc.)
• constructor-arg: arguments to pass to the constructor at
creation time
• property: arguments to pass to the bean setters at creation
time
• Collaborators: other beans needed in this bean (a.k.a
dependencies), specified in property or constructor-arg
• Typically defined in an XML file
10. 10
Sample bean definition
<bean id="exampleBean" class=”org.example.ExampleBean">
<property name="beanOne"><ref bean="anotherExampleBean"/></property>
<property name="beanTwo"><ref bean="yetAnotherBean"/></property>
<property name="integerProperty"><value>1</value></property>
</bean>
public class ExampleBean {
private AnotherBean beanOne;
private YetAnotherBean beanTwo;
private int i;
public void setBeanOne(AnotherBean beanOne) {
this.beanOne = beanOne; }
public void setBeanTwo(YetAnotherBean beanTwo) {
this.beanTwo = beanTwo; }
public void setIntegerProperty(int i) {
this.i = i; }
…
}
11. 11
What is a bean factory?
• Often seen as an ApplicationContext
– BeanFactory is not used directly often
– ApplicationContext is a complete superset of bean
factory methods
• Same interface implemented
• Offers a richer set of features
• Spring uses a BeanFactory to create, manage
and locate “beans” which are basically instances
of a class
– Typical usage is an XML bean factory which allows
configuration via XML files
12. 12
• Beans are created in order based on the dependency
graph
– Often they are created when the factory loads the definitions
– Can override this behavior in bean
<bean class=“className” lazy-init=“true” />
– You can also override this in the factory or context but this is
not recommended
• Spring will instantiate beans in the order required by
their dependencies
1. app scope singleton - eagerly instantiated at container startup
2. lazy dependency - created when dependent bean created
3. VERY lazy dependency - created when accessed in code
How are beans created?
13. 13
How are beans injected?
• A dependency graph is constructed based
on the various bean definitions
• Beans are created using constructors
(mostly no-arg) or factory methods
• Dependencies that were not injected via
constructor are then injected using setters
• Any dependency that has not been
created is created as needed
14. 14
Multiple bean config files
• There are 3 ways to load multiple bean config files
(allows for logical division of beans)
– Load multiple config files from web.xml
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:/WEB-INF/spring-config.xml, classpath:/WEB-
INF/applicationContext.xml</param-value>
</context-param>
– Use the import tag
<import resource="services.xml"/>
– Load multiple config files using Resources in the
application context constructor
• Recommended by the spring team
• Not always possible though
ClassPathXmlApplicationContext appContext = new
ClassPathXmlApplicationContext( new String[]
{"applicationContext.xml", "applicationContext-
part2.xml"});
15. 15
Bean properties?
• The primary method of dependency injection
• Can be another bean, value, collection, etc.
<bean id="exampleBean" class="org.example.ExampleBean">
<property name="anotherBean">
<ref bean="someOtherBean" />
</property>
</bean>
• This can be written in shorthand as follows
<bean id="exampleBean" class="org.example.ExampleBean">
<property name="anotherBean" ref="someOtherBean" />
</bean>
16. 16
Anonymous vs ID
• Beans that do not need to be referenced
elsewhere can be defined anonymously
• This bean is identified (has an id) and can be
accessed to inject it into another bean
• This bean is anonymous (no id)
<bean class="org.example.ExampleBean">
<property name="anotherBean" ref="someOtherBean" />
</bean>
<bean id="exampleBean" class="org.example.ExampleBean">
<property name="anotherBean" ref="someOtherBean" />
</bean>
17. 17
What is an inner bean?
• It is a way to define a bean needed by
another bean in a shorthand way
– Always anonymous (id is ignored)
– Always prototype (non-singleton)
<bean id="outer" class="org.example.SomeBean">
<property name="person">
<bean class="org.example.PersonImpl">
<property name="name"><value>Aaron</value></property>
<property name="age"><value>31</value></property>
</bean>
</property>
</bean>
18. 18
Bean init-method
• The init method runs AFTER all bean
dependencies are loaded
– Constructor loads when the bean is first
instantiated
– Allows the programmer to execute code once all
dependencies are present
<bean id="exampleBean" class=”org.example.ExampleBean"
init-method=”init” />
public class ExampleBean {
public void init() {
// do something
}
}
19. 19
Bean values
• Spring can inject more than just other beans
• Values on beans can be of a few types
– Direct value (string, int, etc.)
– Collection (list, set, map, props)
– Bean
– Compound property
<bean class="org.example.ExampleBean">
<property name="email">
<value>azeckoski@gmail.com</value>
</property>
</bean>
Example of injecting a string value
20. 20
Abstract (parent) beans
• Allows definition of part of a bean which can
be reused many times in other bean
definitions
<bean id="abstractBean" abstract="true"
class="org.example.ParentBean">
<property name="name" value="parent-AZ"/>
<property name="age" value="31"/>
</bean>
<bean id="childBean"
class="org.example.ChildBean"
parent="abstractBean" init-method="init">
<property name="name" value="child-AZ"/>
</bean>
The parent bean
defines 2 values (name,
age)
The child bean uses the
parent age value (31)
The child bean
overrides the parent
name value (from parent-
AZ to child-AZ)
Parent bean could not
be injected, child could
21. 21
AOP in Spring
• Provides way to create declarative services
and custom aspects
• Transaction management is the most
common aspect (or concern)
• Spring handles AOP via advisors or
interceptors
– Interception point is a joinpoint
– A set of joinpoints are called a pointcut
• pointcuts are key to Spring AOP, they allow intercepts
without explicit knowledge of the OO hierarchy
– Action taken by an interceptor is called advice
22. 22
AOP advice types
• Around
– Most common and powerful
– Execute code before and after joinpoint
• Before
– Executes before joinpoint, cannot stop execution
• Throws
– Executes code if exception is thrown
• After return
– Executes code after normal joinpoint execution
23. 23
Spring AOP key points
• Pure java implementation
• Allows method interception
– No field or property intercepts yet
• AOP advice is specified using typical
bean definitions
– Closely integrates with Spring IoC
• Proxy based AOP
– J2SE dynamic proxies or CGLIB proxies
• Not a replacement for AspectJ
24. 24
Example transaction proxy
<bean id="daoBeanTarget" class="org.example.dao.impl.DaoImpl">
<property name="sessionFactory"><ref bean="mySessionFactory"/></property>
</bean>
<bean id="daoBean"
class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean">
<property name="transactionManager" ref="transactionManager"/>
<property name="target" ref="daoBeanTarget"/>
<property name="transactionAttributes">
<props>
<prop key="*">PROPAGATION_REQUIRED</prop>
</props>
</property>
</bean>
• This wraps a transaction interceptor around a DAO
25. 25
Working example
• Let’s look at some example code pre and
post spring
– Simple application that allows a user to add,
remove, and list a set of strings
• Pre spring code
– Programmers Cafe - Example App
• Post spring code
– Programmers Cafe - Example App Spring
26. 26
Example App
• The example app is a simple command
line Java app which is meant to
demonstrate a reasonable dependency
structure
• This app allows a user to save, delete,
and list a set of strings associated with
their username
27. 27
Example App Structure
• Alpha is the main class
• Bravo handles user
interaction
• Charlie handles
application logic
• Delta handles data
access
• Dependency graph is
non-cyclical
– No A => B => C => A
Alpha
Charlie
Bravo
Delta
A B = A depends on B
DeltaImpl
28. 28
Non-spring version
• Involves using new to create needed
dependencies
• Each class must know about the
dependencies that it needs
• Singletons have to be created and handed to
the classes that need them at the same time
or you need a static way to access them (or a
framework)
• Tightly coupled code structure
29. 29
Spring version
• No more new use
• Classes only have to know about the
interface
– or class if no interface available
• Singletons easy to handle
• Loose coupling allows flexible changes