/*
* 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.metadata;
import static java.util.Collections.unmodifiableSet;
import static org.mule.runtime.api.metadata.MetadataKeyBuilder.newKey;
import org.mule.runtime.api.connection.ConnectionException;
import org.mule.runtime.api.metadata.MetadataContext;
import org.mule.runtime.api.metadata.MetadataKey;
import org.mule.runtime.api.metadata.MetadataResolvingException;
import org.mule.runtime.api.metadata.resolving.TypeKeysResolver;
import java.util.HashSet;
import java.util.Set;
/**
* {@link TypeKeysResolver} implementation which resolves automatically {@link MetadataKey}s for boolean based
* MetadataKey Id parameters.
* </p>
* This resolver will only return the possible values of a boolean: {@code true} and {@code false}
*
* @since 4.0
* @see TypeKeysResolver
*/
public final class BooleanKeyResolver implements TypeKeysResolver {
private final static Set<MetadataKey> keys = new HashSet<MetadataKey>() {
{
add(newKey("TRUE").build());
add(newKey("FALSE").build());
}
};
private final String categoryName;
BooleanKeyResolver(String categoryName) {
this.categoryName = categoryName;
}
/**
* {@inheritDoc}
*/
@Override
public String getCategoryName() {
return categoryName;
}
/**
* {@inheritDoc}
*/
@Override
public Set<MetadataKey> getKeys(MetadataContext context) throws MetadataResolvingException, ConnectionException {
return unmodifiableSet(keys);
}
}