The string is generated inside the Controller. What I want is to send back to the user a Window where he can save a file which contains the myString. It clearly doesn’t work in this current state and I am stuck at the moment. Answer here is a sample: PS: don’t forget to put some random stuff in yo…
Tag: spring
How to perform batch update in Spring with a list of maps?
New to Spring, I am trying to insert a List<Map<String, Object>> into a table. Until now I have been using the SqlParameterSource for batch update, which works fine when a java bean is supplied to them. Something like this: However, I tried the same technique with a list of maps in place of a bean…
How can I apply aop on a whole package except one subpackage
Assuming my current package structure in a spring projects as : com.stackoverflow |- service |- entities |- controllers |- package1 |- package2 |-util How can I apply an aspect to all the …
What’s the difference between Spring Data’s MongoTemplate and MongoRepository?
I need to write an application with which I can do complex queries using spring-data and mongodb. I have been starting by using the MongoRepository but struggled with complex queries to find examples or to actually understand the Syntax. I’m talking about queries like this: or the use of JSON based quer…
How do I test the JavaMailSender of Spring
I have a service that has injected the JavaMailSender. My service configures it and sends a mail. I’d like to intercept the raw mail to ensure the information is the correct. I’d like to do that in a JUnit. How would you guys do that? Answer I’ve done it using GreenMail. Take a look at my bl…
JDBCTemplate set nested POJO with BeanPropertyRowMapper
Given the following example POJO’s: (Assume Getters and Setters for all properties) One can easily query a database (postgres in my case) and populate a list of Message classes using a BeanPropertyRowMapper where the db field matched the property in the POJO: (Assume the DB tables have corresponding fie…
MySQL: Unknown system variable ‘tx_read_only’
I’m working on a Java Swing-based application+ Hibernate+Mysql+Spring. When I test CRUD operations, I don’t have problems with read, but in insert statements system shows the message: I have the last version of MySQl Hibernate 4 Java annotations Can you tell me which is the problem to solve now? A…
Spring fails to inject entity manager factory
I writing tests for my DAO classes using JPA, with Hibernate as JPA provider, and Spring 3.2. I am not able to inject the entity manager correctly, I get a NullPointerException when trying to access it. My GenericDAO implementation looks like this: The class of the test looks like this: My root-context.xml is…
How to pass two objects to use in a form using thymeleaf?
My problem is the following : I’ve 2 differents objects that I’ve to fill from a single form. With 1 object, I simply do in the newFoo.html: and in the FooController: Let’s say I’ve an other object bar with a “status” variable in it. How can I do to pass that object so I ca…
How to change Spring’s @Scheduled fixedDelay at runtime?
I have a requirement to run a batch job at a fixed interval and have the ability to change the time of this batch job at runtime. For this I came across @Scheduled annotation provided under Spring framework. But I’m not sure how I’d change the value of fixedDelay at runtime. I did some googling ar…