Sometime you need to dynamically generate a form without knowing how many fields it will be required (i.e. when your form is driven by a configuration or by some properties). The problem is to draw the form and, return the values to the Controller, and recognize the couples Field name / Field value after the….
To implement the MongoDB results pagination in Java, there are few parameters that need to be collected: 1) the order of results (ascending / descending) 2) the field used to order the results 3) the number of element and the page selected 4) the field and the value used to filter the results As well….
Suppose you need to apply some filters to your MongoDB query, for example to extract some _ids that match a regex condition. This is the way to do that: Query query; query.addCriteria(Criteria.where("_id").in(IDs).and(query_field).regex(".*" + query_value + ".*", "i"));Query query; query.addCriteria(Criteria.where("_id").in(IDs).and(query_field).regex(".*" + query_value + ".*", "i")); In this example I used the Query (see here) and Criteria….
Suppose you defined TemplateDao Spring bean in this way: <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> <property name="driverClassName"><value>com.mysql.jdbc.Driver</value></property> <property name="url"><value>jdbc:mysql://${mysql.hostname}:${mysql.port}/${mysql.db}</value></property> <property name="username"><value>${mysql.user}</value></property> <property name="password"><value>${mysql.password}</value></property> </bean> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource"/> </bean> <bean id="TemplateRequestDao" class="com.afm.admin.dao.mysql.TemplateDaoMySql"> <property name="dataSource" ref="dataSource" /> </bean><bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> <property name="driverClassName"><value>com.mysql.jdbc.Driver</value></property> <property name="url"><value>jdbc:mysql://${mysql.hostname}:${mysql.port}/${mysql.db}</value></property> <property name="username"><value>${mysql.user}</value></property> <property name="password"><value>${mysql.password}</value></property> </bean> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource"/>….
While evaluating template with Velocity I am affecting a null point exception but happened only on production environment because it seems that the application is trying to write to tomcat/bin the velocity.log file but it failed due to the permission. I tried to add velocity.property file: # Fri Dec 6 10:14:26 EST 2013 – Mandatory….
I created a new Web application using Eclipse and, after Enabling Maven, I get this error updating the project: Cannot nest ‘PRJ/src/main/resource’ inside ‘PRJ/src’. To enable the nesting exclude ‘main/’ from ‘PRJ/src’Cannot nest ‘PRJ/src/main/resource’ inside ‘PRJ/src’. To enable the nesting exclude ‘main/’ from ‘PRJ/src’ Basically I removed the folder /src and create folder /src/main/java, /src/main/resources….
I was trying to figured out how to solve this issue. Basically I’m saving a user profile bean that contains multiple occurrences of other beans inside him. Something like date: public class UserProfile { List<Class1> classes1; List<Class2> classes2; Integer int1; Map<String, Class3> classes3; }public class UserProfile { List<Class1> classes1; List<Class2> classes2; Integer….
If the exception “Could not get JDBC Connection; nested exception is java.sql.SQLException: No suitable driver found for jdbc:mysql://localhost:3306/schema” is raised probably you forgot to add the <property name="driverClassName"><value>com.mysql.jdbc.Driver</value></property><property name="driverClassName"><value>com.mysql.jdbc.Driver</value></property> property to your dataSource bean: <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> <property name="driverClassName"><value>com.mysql.jdbc.Driver</value></property> <property name="url"><value>jdbc:mysql://172.16.0.11:3306/test_vale</value></property> <property name="username"><value>root</value></property> <property name="password"><value>password</value></property> </bean><bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> <property name="driverClassName"><value>com.mysql.jdbc.Driver</value></property> <property name="url"><value>jdbc:mysql://172.16.0.11:3306/test_vale</value></property> <property name="username"><value>root</value></property> <property….
The objective is simple, create a method which load a class dynamically, access its method and passing their parameters value and getting the return value at run-time. To do that is possible to use Java reflection. try { Class<?> clazz = Class.forName("package.myclass"); Method mth = clazz.getDeclaredMethod("method", String.class, String.class); Object source_class = clazz.newInstance(); } catch (SecurityException….
Eclipse is defaulting to Java 1.5, when you want it to use Java 1.6. You have classes implementing interface methods, which in Java 1.6 can be annotated with @Override; however, in Java 1.5, @override could only be applied to methods overriding a superclass method. Go to your project/ide preferences and set the “Java compiler level”….