Examples with PARENT_FIRST org.mule.runtime.module.artifact.api.classloader.ParentFirstLookupStrategy.PARENT_FIRST used on opensource projects

Example 1 with PARENT_FIRST

use of org.mule.runtime.module.artifact.api.classloader.ParentFirstLookupStrategy.PARENT_FIRST in project mule by mulesoft.

the class FineGrainedControlClassLoaderTestCase method usesParentFirstAndChildLookupAndFails.

@Test
public void usesParentFirstAndChildLookupAndFails() throws Exception {
    ClassLoader parent = Thread.currentThread().getContextClassLoader();
    final ClassLoaderLookupPolicy lookupPolicy = mock(ClassLoaderLookupPolicy.class);
    when(lookupPolicy.getClassLookupStrategy(TEST_CLASS_NAME)).thenReturn(PARENT_FIRST);
    expected.expect(CompositeClassNotFoundException.class);
    expected.expectMessage(startsWith("Cannot load class '" + TEST_CLASS_NAME + "': ["));
    FineGrainedControlClassLoader ext = buildFineGrainedControlClassLoader(parent, lookupPolicy);
    expected.expect(expressionMatches((e) -> ((CompositeClassNotFoundException) e).getExceptions(), contains(hasMessage(is(TEST_CLASS_NAME)), expressionMatches((e) -> ((TestClassNotFoundException) e).getClassLoader(), is((ClassLoader) ext)))));
    invokeTestClassMethod(ext);
}

Example 2 with PARENT_FIRST

use of org.mule.runtime.module.artifact.api.classloader.ParentFirstLookupStrategy.PARENT_FIRST in project mule by mulesoft.

the class PluginLookPolicyFactory method createLookupPolicy.

/**
 * Creates a {@link ClassLoaderLookupPolicy} for plugins considering their dependencies.
 *
 * @param pluginClassification the {@link PluginUrlClassification} to creates its {@link ClassLoaderLookupPolicy}
 * @param pluginClassifications whole list of {@link PluginUrlClassification} for the current context
 * @param parentLookupPolicies the {@link ClassLoaderLookupPolicy} for the parent {@link ClassLoader}
 * @param classLoaders
 * @return {@link ClassLoaderLookupPolicy} for the plugin
 */
public ClassLoaderLookupPolicy createLookupPolicy(PluginUrlClassification pluginClassification, List<PluginUrlClassification> pluginClassifications, ClassLoaderLookupPolicy parentLookupPolicies, List<ArtifactClassLoader> classLoaders) {
    Map<String, LookupStrategy> pluginsLookupPolicies = new HashMap<>();
    for (PluginUrlClassification dependencyPluginClassification : pluginClassifications) {
        if (dependencyPluginClassification.getArtifactId().equals(pluginClassification.getArtifactId())) {
            continue;
        }
        if (pluginClassification.getPluginDependencies().contains(dependencyPluginClassification.getName())) {
            LookupStrategy lookUpPolicyStrategy = PARENT_FIRST;
            for (String exportedPackage : dependencyPluginClassification.getExportedPackages()) {
                pluginsLookupPolicies.put(exportedPackage, lookUpPolicyStrategy);
            }
            if (isPrivilegedPluginDependency(pluginClassification, dependencyPluginClassification)) {
                Optional<ArtifactClassLoader> pluginClassLoader = classLoaders.stream().filter(c -> c.getArtifactId().contains(dependencyPluginClassification.getName())).findFirst();
                if (!pluginClassLoader.isPresent()) {
                    throw new IllegalStateException("Cannot find classloader for plugin: " + dependencyPluginClassification.getArtifactId());
                }
                lookUpPolicyStrategy = new DelegateOnlyLookupStrategy(pluginClassLoader.get().getClassLoader());
                for (String exportedPackage : dependencyPluginClassification.getPrivilegedExportedPackages()) {
                    pluginsLookupPolicies.put(exportedPackage, lookUpPolicyStrategy);
                }
            }
        }
    }
    return parentLookupPolicies.extend(pluginsLookupPolicies);
}