Utils.java

package org.opennaas.core.resources;

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

public class Utils {

	/**
	 * Utility method to read a file located at the given InputStream into a String.
	 * 
	 * @param stream
	 * @return
	 */
	public static String readStringFromFile(InputStream stream) {
		String answer = null;

		try {
			InputStreamReader streamReader = new InputStreamReader(stream);
			StringBuffer fileData = new StringBuffer(10000);
			BufferedReader reader = new BufferedReader(streamReader);
			char[] buf = new char[1024];
			int numRead = 0;
			while ((numRead = reader.read(buf)) != -1) {
				String readData = String.valueOf(buf, 0, numRead);
				fileData.append(readData);
				buf = new char[1024];
			}
			reader.close();
			answer = fileData.toString();
			fileData = null;
		} catch (Exception e) {
			e.printStackTrace();
		}

		return answer;
	}
}