January 2014 – Alex Arriaga

How to print Attributes enumeration in Java (javax naming directory Attributes)

This is only a little piece of code to print all the IDs and values of a javax.naming.directory.Attributes. If you want to know more about this interface, please see official documentation (http://docs.oracle.com/javase/7/docs/api/javax/naming/directory/Attributes.html), but here, you have a little explanation about it: This interface represents a collection of attributes. In a directory, named objects can have […]

By alex-arriaga
January 27, 2014
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How to get a multi-valued LDAP attribute in JAVA (using a custom query to LDAP)

Today, I would like to show you an example of a custom query to an LDAP, this query obtains a multi-valued LDAP attribute. Situation Imagine you need to know the associated user ids that are linked to an existing user, so you know the name of the LDAP attribute which is “associatedUserID”, and of course […]

By alex-arriaga
January 27, 2014
0 Comment

How to create a List from a JSON object in Java using Jackson Library

Today, I would like to share an easy way to parse a JSON string into a List of Java objects in a few lines of code. Imagine the situation where you need to create a List of complex objects from a JSON array in Java, for example if we have this kind of input: [ […]

By alex-arriaga
January 20, 2014
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How to set no-cache headers in a Java EE application’s response (using a Spring controller)

Sometimes when you do a request to a Java service you will need to add some custom headers in the response, for example, today I was creating a service to get the current logged user data and I realized one client was storing (creating a cache) the response and sometimes the service was not working […]

By alex-arriaga
January 17, 2014
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Setting UTF-8 encoding in a JSP (changing ISO-8859-1 to UTF-8 on IBM Rational Application Developer)

Today, I was integrating a custom JSP component into IBM WCM and I noticed some characters were not displaying as expected, after looking into the generated source code in Firefox I realized the used encoding was ISO-8859-1, let me explain what ISO-8859-1 means… According the W3C the ISO-8859-1 encoding: ISO-8859-1 is the default character set in […]

By alex-arriaga
January 7, 2014
2 Comments

Alex Arriaga

Month: January 2014

How to print Attributes enumeration in Java (javax naming directory Attributes)

How to get a multi-valued LDAP attribute in JAVA (using a custom query to LDAP)

How to create a List from a JSON object in Java using Jackson Library

How to set no-cache headers in a Java EE application’s response (using a Spring controller)

Setting UTF-8 encoding in a JSP (changing ISO-8859-1 to UTF-8 on IBM Rational Application Developer)

Join me, have fun and learn!

Day quote…

Month: January 2014

How to print Attributes enumeration in Java (javax naming directory Attributes)

How to get a multi-valued LDAP attribute in JAVA (using a custom query to LDAP)

How to create a List from a JSON object in Java using Jackson Library

How to set no-cache headers in a Java EE application’s response (using a Spring controller)

Setting UTF-8 encoding in a JSP (changing ISO-8859-1 to UTF-8 on IBM Rational Application Developer)

Join me, have fun and learn!

Tag Cloud

Day quote…