InputStreamConverter.java

// Copyright 2014-2015 Boundary, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.boundary.sdk.event.util;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;

import org.apache.camel.Converter;

/**
 * Uses Camel's conversion system to convert from a {@link InputStream} to {@link List}
 * 
 * @author davidg
 *
 */
@Converter
public final class InputStreamConverter {

	@Converter
	public static List<String> toList(InputStream stream) {

		BufferedReader bufferedReader = null;

		bufferedReader = new BufferedReader(new InputStreamReader(stream));
		List<String> lines = new ArrayList<String>();
		
		String line = null;
		try {
			while ((line = bufferedReader.readLine()) != null) {
				System.out.println(line);
				lines.add(line);
			}
		} catch (IOException e) {
			e.printStackTrace();
		}
		
		return lines;
	}
	
	@Converter 
	public static String toString(List<String> list) {
		StringBuffer sb = new StringBuffer();
		for (String s :list) {
			sb.append(s);
		}
		return sb.toString();
	}

}