YamlManager.java

/*******************************************************************************
 * Copyright (c) 2013 aegif.
 *
 * This file is part of NemakiWare.
 *
 * NemakiWare is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * NemakiWare 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 NemakiWare.
 * If not, see <http://www.gnu.org/licenses/>.
 *
 * Contributors:
 *     linzhixing(https://github.com/linzhixing) - initial API and implementation
 ******************************************************************************/
package jp.aegif.nemaki.util;

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

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.jvyaml.YAML;

public class YamlManager {

	private String baseModelFile = null;
	private static final Log log = LogFactory.getLog(YamlManager.class);

	public YamlManager(String baseModelFile){
		this.baseModelFile = baseModelFile;
	}

	public Object loadYml(){
		InputStream is = getClass().getClassLoader().getResourceAsStream(baseModelFile);
		if (is == null) {
			log.error("yaml file not found");
		}

		Reader reader;
		try {
			reader = new InputStreamReader(is, "UTF-8");

	        reader = new BufferedReader(reader);
	        StringBuffer buf = new StringBuffer();
	        int ch;
	        while ((ch = reader.read()) >= 0)
	            buf.append((char)ch);
	        reader.close();
	        Object ydoc = YAML.load(buf.toString());

	        return ydoc;
		} catch (Exception e) {
			log.error(baseModelFile + " load failed", e);

		}
		return null;
	}
}