Using Various InputStream Methods for File Loading
To load a file as an InputStream, programmers have several options to consider. This discourse compares and contrasts three common methods:
Method Interpretation Differences
The primary distinction between these methods lies in how they interpret the provided fileName. ClassLoader.getResourceAsStream() and Class.getResourceAsStream() use different approaches:
Class.getResourceAsStream(path):
ClassLoader.getResourceAsStream(path):
Suitability Considerations
In your specific case, deploying in WebSphere 6.1, you should utilize Thread.currentThread().getContextClassLoader().getResourceAsStream(fileName). This choice aligns with the recommended practice for loading resources within an application server environment. this.getClass().getResourceAsStream() can also be suitable in this context.
Additional Considerations for Tomcat Users
For Tomcat users running versions earlier than 8, note that ClassLoader.getResourceAsStream() and Class.getResourceAsStream() may behave differently than expected. Ensure you thoroughly evaluate your code's behavior in these environments.
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