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package org.bndtools.templating.util;

import java.net.URI;
import java.util.ArrayList;
import java.util.List;

import org.osgi.service.metatype.AttributeDefinition;

public class ObjectClassDefinitionImpl extends BaseOCD {

	private final List	reqdAttribs	= new ArrayList<>();
	private final List	optAttribs	= new ArrayList<>();

	public ObjectClassDefinitionImpl(String name, String description, URI iconUri) {
		super(name, description, iconUri);
	}

	@Override
	public AttributeDefinition[] getAttributeDefinitions(int filter) {
		switch (filter) {
			case OPTIONAL :
				return optAttribs.toArray(new AttributeDefinition[0]);
			case REQUIRED :
				return reqdAttribs.toArray(new AttributeDefinition[0]);
			case ALL :
				List combined = new ArrayList<>(optAttribs.size() + reqdAttribs.size());
				combined.addAll(reqdAttribs);
				combined.addAll(optAttribs);
				return combined.toArray(new AttributeDefinition[0]);
			default :
				throw new IllegalArgumentException(
					String.format("Unexpected filter value %d in getAttributeDefinitions", filter));
		}
	}

	public void addAttribute(AttributeDefinition attr, boolean required) {
		List target = required ? reqdAttribs : optAttribs;
		target.add(attr);
	}

}