Check for null and empty body before trying to map a json string to an object.

Signed-off-by: Clement Escoffier <clement.escoffier@gmail.com>
Ease the use of bad requests with a new method taking a String as parameter.

Signed-off-by: Clement Escoffier <clement.escoffier@gmail.com>
Disable the Jackson feature making mapping failing on unknown properties.

Signed-off-by: Clement Escoffier <clement.escoffier@gmail.com>
new Json service to ease Json support

Signed-off-by: Clement Escoffier <clement.escoffier@gmail.com>
Cosmetic fix

Signed-off-by: Clement Escoffier <clement.escoffier@gmail.com>
New documentation about the json support

Signed-off-by: Clement Escoffier <clement.escoffier@gmail.com>
Add documentation on file upload

Signed-off-by: Clement Escoffier <clement.escoffier@gmail.com>