LookupTableContentTypeDescriber.java

/*-
 * Copyright © 2012 Diamond Light Source Ltd.
 *
 * This file is part of GDA.
 *
 * GDA is free software: you can redistribute it and/or modify it under the
 * terms of the GNU General Public License version 3 as published by the Free
 * Software Foundation.
 *
 * GDA is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along
 * with GDA. If not, see <http://www.gnu.org/licenses/>.
 */

package uk.ac.gda.lookuptable.editor;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

import org.eclipse.core.runtime.QualifiedName;
import org.eclipse.core.runtime.content.IContentDescriber;
import org.eclipse.core.runtime.content.IContentDescription;

public class LookupTableContentTypeDescriber implements IContentDescriber {

	public LookupTableContentTypeDescriber() {
		// TODO Auto-generated constructor stub
	}

	@Override
	public int describe(InputStream contents, IContentDescription description) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(contents));
		String nextLine;

		while (((nextLine = br.readLine()) != null) && (nextLine.length() > 0)) {
			if (nextLine.startsWith("#")) {
				continue;
			}
			if (nextLine.startsWith("ScannableNames")) {
				return VALID;
			}
		}
		return INVALID;
	}

	@Override
	public QualifiedName[] getSupportedOptions() {
		// TODO Auto-generated method stub
		return null;
	}

}