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/**
 * Copyright 2010 DFKI GmbH.
 * All Rights Reserved.  Use is subject to license terms.
 *
 * This file is part of MARY TTS.
 *
 * MARY TTS is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, version 3 of the License.
 *
 * This program 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see .
 *
 */
package marytts.vocalizations;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;

import marytts.util.io.BasenameList;

/**
 * Reader class for manual annotation of vocalizations
 * 
 * The format of the file should be as following examples: (first line indicates list of feature names)
 * 
 * categories|name|voicequality|angry|sadness|amusement|happiness|contempt|solidarity|antagonism|certain|agreeing|interested|
 * anticipation Obadiah_049|right|modal|2|3|1|1|2|2|1|0|0|-1|0 Poppy2_078|yeah|modal|1|1|1|2|1|2|1|-1|0|-1|0
 * Prudence_058|(laughter)|breathy|1|1|3|2|1|2|1|0|0|0|-1 Poppy2_085|yeah|breathy|1|2|1|1|1|2|1|0|0|-1|0
 * 
 * 
 * @author sathish
 *
 */
public class VocalizationAnnotationReader {

	private ArrayList featureCategories; // feature categories
	private Map> annotationData; // basename --> (feature category, feature value)
	private BasenameList bnl = null;

	public VocalizationAnnotationReader(String featureFile) throws IOException {
		this(featureFile, null);
	}

	public VocalizationAnnotationReader(String featureFile, BasenameList bnl) throws IOException {
		this.bnl = bnl;
		formatChecker(featureFile);
		featureCategories = new ArrayList();
		annotationData = new HashMap>();
		getAnnotations(featureFile);
	}

	/**
	 * 
	 * @param featureFile
	 *            featureFile
	 * @throws IOException
	 *             IOException
	 */
	private void formatChecker(String featureFile) throws IOException {
		BufferedReader bfrMean = new BufferedReader(new FileReader(new File(featureFile)));
		String lineMeaning = bfrMean.readLine();
		String[] mlines = lineMeaning.split("\\|");
		int noOfStrings = mlines.length;

		while ((lineMeaning = bfrMean.readLine()) != null) {
			mlines = lineMeaning.split("\\|");
			if (noOfStrings != mlines.length) {
				throw new RuntimeException("the format of the file is not good.");
			}
		}

		System.out.println("The format of the file is good");
		bfrMean.close();
	}

	private void getAnnotations(String featureFile) throws IOException {

		BufferedReader bfrMean = new BufferedReader(new FileReader(new File(featureFile)));
		String lineMeaning = bfrMean.readLine();
		String[] mlines = lineMeaning.split("\\|");

		// read feature categories
		for (int i = 1; i < mlines.length; i++) {
			featureCategories.add(mlines[i].trim());
		}

		while ((lineMeaning = bfrMean.readLine()) != null) {
			mlines = lineMeaning.split("\\|");
			if (bnl != null) {
				if (!bnl.contains(mlines[0].trim())) {
					continue;
				}
			}
			Map featureMap = new HashMap();
			// read feature categories
			for (int i = 1; i < mlines.length; i++) {
				featureMap.put(featureCategories.get(i - 1), mlines[i].trim());
			}
			annotationData.put(mlines[0].trim(), featureMap);
		}
		bfrMean.close();
	}

	public Map> getVocalizationsAnnotation() {
		return this.annotationData;
	}

	public ArrayList getFeatureList() {
		return this.featureCategories;
	}

	/**
	 * @param args
	 *            args
	 */
	public static void main(String[] args) {

	}

}