/*
* Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com
* The software in this package is published under the terms of the CPAL v1.0
* license, a copy of which has been included with this distribution in the
* LICENSE.txt file.
*/
package org.mule.runtime.module.extension.internal.runtime.source;
import static org.mule.runtime.api.i18n.I18nMessageFactory.createStaticMessage;
import static org.mule.runtime.module.extension.internal.runtime.resolver.ValueResolvingContext.from;
import static org.mule.runtime.module.extension.internal.util.MuleExtensionUtils.getInitialiserEvent;
import org.mule.runtime.api.exception.MuleException;
import org.mule.runtime.api.exception.MuleRuntimeException;
import org.mule.runtime.api.meta.model.source.SourceModel;
import org.mule.runtime.core.api.MuleContext;
import org.mule.runtime.extension.api.annotation.param.Parameter;
import org.mule.runtime.extension.api.runtime.ConfigurationInstance;
import org.mule.runtime.extension.api.runtime.source.Source;
import org.mule.runtime.module.extension.internal.loader.ParameterGroupDescriptor;
import org.mule.runtime.module.extension.internal.runtime.objectbuilder.ResolverSetBasedObjectBuilder;
import org.mule.runtime.module.extension.internal.runtime.resolver.ResolverSet;
import org.mule.runtime.module.extension.internal.runtime.resolver.ValueResolvingContext;
import java.util.Optional;
/**
* Resolves and injects the values of a {@link Source} that has fields annotated with {@link Parameter} or
* {@link ParameterGroupDescriptor}
*
* @since 4.0
*/
public final class SourceConfigurer {
private final SourceModel model;
private final ResolverSet resolverSet;
private final MuleContext muleContext;
/**
* Create a new instance
*
* @param model the {@link SourceModel} which describes the instances that
* the {@link #configure(Source, Optional)} method will accept
* @param resolverSet the {@link ResolverSet} used to resolve the parameters
* @param muleContext the current {@link MuleContext}
*/
public SourceConfigurer(SourceModel model, ResolverSet resolverSet, MuleContext muleContext) {
this.model = model;
this.resolverSet = resolverSet;
this.muleContext = muleContext;
}
/**
* Performs the configuration of the given {@code source} and returns the result
*
* @param source a {@link Source}
* @param config the {@link ConfigurationInstance config instance} associated to {@code this} source object.
* @return the configured instance
* @throws MuleException
*/
public Source configure(Source source, Optional<ConfigurationInstance> config) throws MuleException {
ResolverSetBasedObjectBuilder<Source> builder =
new ResolverSetBasedObjectBuilder<Source>(source.getClass(), model, resolverSet) {
@Override
protected Source instantiateObject() {
return source;
}
@Override
public Source build(ValueResolvingContext context) throws MuleException {
return build(resolverSet.resolve(context));
}
};
try {
return builder.build(from(getInitialiserEvent(muleContext), config));
} catch (Exception e) {
throw new MuleRuntimeException(createStaticMessage("Exception was found trying to configure source of type "
+ source.getClass().getName()), e);
}
}
}