[hibernate-issues] [Hibernate-JIRA] Created: (HHH-2761) Handle null and empty string consistently in PropertiesHelper

[Steve Ebersole (JIRA)]

Handle null and empty string consistently in PropertiesHelper
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                 Key: HHH-2761
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2761
             Project: Hibernate3
          Issue Type: Improvement
          Components: core
            Reporter: Steve Ebersole
            Assignee: Steve Ebersole
             Fix For: 3.3


Currently null and empty string are treated differently in PropertiesHelper.  This makes it difficult to override values or provide templates for interpolation.  For example, in the mavenized testsuite I have the following entry in hibernate.properties:

hibernate.connection.isolation ${jdbc.isolation}

Attempts to set this to nothing do not work, because they become an empty string, which PropertiesHelper then tries to parse as an Integer.

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