scantor commented on code in PR #51:
URL: https://github.com/apache/velocity-engine/pull/51#discussion_r1747036987
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spring-velocity-support/src/main/java/org/apache/velocity/spring/VelocityEngineFactory.java:
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@@ -259,41 +281,61 @@ protected VelocityEngine newVelocityEngine() throws
IOException, VelocityExcepti
*/
protected void initVelocityResourceLoader(VelocityEngine velocityEngine,
String resourceLoaderPath) {
if (isPreferFileSystemAccess()) {
+
+ // Only used with enhanced processing.
+ final List<String> filePaths = new ArrayList<>();
+ final List<String> nonFilePaths = new ArrayList<>();
+
+ String[] paths =
StringUtils.commaDelimitedListToStringArray(resourceLoaderPath);
+
// Try to load via the file system, fall back to
SpringResourceLoader
// (for hot detection of template changes, if possible).
- try {
- StringBuilder resolvedPath = new StringBuilder();
- String[] paths =
StringUtils.commaDelimitedListToStringArray(resourceLoaderPath);
- for (int i = 0; i < paths.length; i++) {
- String path = paths[i];
+ for (int i = 0; i < paths.length; i++) {
+ String path = paths[i];
+
+ // Don't check classpath: locations, they're not file-based.
+ // Some containers will expand jars and trigger false
positives.
+ // If enhanced behavior isn't on, this will
fall into the usual code it did before.
+ if (isSupportClasspathEnhancements() &&
path.startsWith(ResourceLoader.CLASSPATH_URL_PREFIX)) {
Review Comment:
Ir's configured via Spring, you'd set the property in your
VelocityEngineFactoryBean instance (which is a subclass of this class for what
I guess are historical reasons). The point is that it's not an engine setting,
but a control point for how the factory bean installs the 2 resource loaders by
injecting engine properties.
However, I still believe it's unneeded. There is no value to not setting it
to true because false (the old behavior) is just wrong and broken.
My advice is that I redo the patch without the option and we just fix the
bug.
I phrased it to begin with as an enhancement, but as I reviewed the original
code again, I just realize it's wrong. Whoeever wrote it either didn't have a
clear goal, or didn't manage to implement what they meant to.
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