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NIFI-632 using NarThreadContextClassLoader when generating documentation

This commit is contained in:
danbress 2015-05-30 12:04:46 -04:00
parent 6f36c7939b
commit 4074ec3785
2 changed files with 22 additions and 9 deletions
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4
nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-documentation/pom.xml
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@ -26,6 +26,10 @@
<groupId>org.apache.nifi</groupId> <groupId>org.apache.nifi</groupId>
<artifactId>nifi-api</artifactId> <artifactId>nifi-api</artifactId>
</dependency> </dependency>
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-framework-core-api</artifactId>
</dependency>
<dependency> <dependency>
<groupId>org.apache.nifi</groupId> <groupId>org.apache.nifi</groupId>
<artifactId>nifi-properties</artifactId> <artifactId>nifi-properties</artifactId>

27
nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-documentation/src/main/java/org/apache/nifi/documentation/DocGenerator.java
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@ -33,6 +33,7 @@ import org.apache.nifi.documentation.init.ControllerServiceInitializer;
import org.apache.nifi.documentation.init.ProcessorInitializer; import org.apache.nifi.documentation.init.ProcessorInitializer;
import org.apache.nifi.documentation.init.ReportingTaskingInitializer; import org.apache.nifi.documentation.init.ReportingTaskingInitializer;
import org.apache.nifi.nar.ExtensionManager; import org.apache.nifi.nar.ExtensionManager;
import org.apache.nifi.nar.NarThreadContextClassLoader;
import org.apache.nifi.processor.Processor; import org.apache.nifi.processor.Processor;
import org.apache.nifi.reporting.InitializationException; import org.apache.nifi.reporting.InitializationException;
import org.apache.nifi.reporting.ReportingTask; import org.apache.nifi.reporting.ReportingTask;
@ -68,17 +69,25 @@ public class DocGenerator {
logger.debug("Generating documentation for: " + extensionClasses.size() + " components in: " logger.debug("Generating documentation for: " + extensionClasses.size() + " components in: "
+ explodedNiFiDocsDir); + explodedNiFiDocsDir);
for (final Class<?> extensionClass : extensionClasses) { // save the original class loader and use a NarThreadContextClassLoader
if (ConfigurableComponent.class.isAssignableFrom(extensionClass)) { final ClassLoader originalClassLoader = Thread.currentThread().getContextClassLoader();
final Class<? extends ConfigurableComponent> componentClass = extensionClass try {
.asSubclass(ConfigurableComponent.class); Thread.currentThread().setContextClassLoader(NarThreadContextClassLoader.getInstance());
try {
logger.debug("Documenting: " + componentClass); for (final Class<?> extensionClass : extensionClasses) {
document(explodedNiFiDocsDir, componentClass); if (ConfigurableComponent.class.isAssignableFrom(extensionClass)) {
} catch (Exception e) { final Class<? extends ConfigurableComponent> componentClass = extensionClass
logger.warn("Unable to document: " + componentClass, e); .asSubclass(ConfigurableComponent.class);
try {
logger.debug("Documenting: " + componentClass);
document(explodedNiFiDocsDir, componentClass);
} catch (Exception e) {
logger.warn("Unable to document: " + componentClass, e);
}
} }
} }
} finally {
Thread.currentThread().setContextClassLoader(originalClassLoader);
} }
} }