BOMBuilder.java

/*****************************************************************************
 * Copyright (c) 2006-2013, Cloudsmith Inc.
 * The code, documentation and other materials contained herein have been
 * licensed under the Eclipse Public License - v 1.0 by the copyright holder
 * listed above, as the Initial Contributor under such license. The text of
 * such license is available at www.eclipse.org.
 *****************************************************************************/
package org.eclipse.buckminster.core.internal.ctype;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;

import org.eclipse.buckminster.core.CorePlugin;
import org.eclipse.buckminster.core.cspec.AbstractResolutionBuilder;
import org.eclipse.buckminster.core.ctype.MissingCSpecSourceException;
import org.eclipse.buckminster.core.metadata.model.BillOfMaterials;
import org.eclipse.buckminster.core.metadata.model.BOMNode;
import org.eclipse.buckminster.core.metadata.model.UnresolvedNodeException;
import org.eclipse.buckminster.core.parser.IParser;
import org.eclipse.buckminster.core.reader.ICatalogReader;
import org.eclipse.buckminster.core.reader.IComponentReader;
import org.eclipse.buckminster.core.reader.IFileReader;
import org.eclipse.buckminster.core.reader.IStreamConsumer;
import org.eclipse.buckminster.runtime.BuckminsterException;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;

/**
 * @author Thomas Hallgren
 */
public class BOMBuilder extends AbstractResolutionBuilder implements IStreamConsumer<BillOfMaterials> {
	@Override
	public synchronized BOMNode build(IComponentReader[] readerHandle, boolean forResolutionAidOnly, IProgressMonitor monitor) throws CoreException {
		IComponentReader reader = readerHandle[0];
		try {
			BillOfMaterials bom;
			if (reader instanceof ICatalogReader)
				bom = ((ICatalogReader) reader).readFile(CorePlugin.BOM_FILE, this, monitor);
			else
				bom = ((IFileReader) reader).readFile(this, monitor);

			if (bom.getResolution() == null)
				throw new UnresolvedNodeException(reader.getNodeQuery().getComponentRequest());

			return bom;
		} catch (FileNotFoundException e) {
			throw new MissingCSpecSourceException(reader.getProviderMatch());
		} catch (IOException e) {
			throw BuckminsterException.wrap(e);
		}
	}

	@Override
	public BillOfMaterials consumeStream(IComponentReader reader, String streamName, InputStream stream, IProgressMonitor monitor)
			throws CoreException {
		IParser<BillOfMaterials> bomParser = CorePlugin.getDefault().getParserFactory().getBillOfMaterialsParser(true);
		return bomParser.parse(streamName, stream);
	}
}