/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.tuscany.sca.sample.comet;

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

import org.oasisopen.sca.annotation.Constructor;
import org.oasisopen.sca.annotation.EagerInit;
import org.oasisopen.sca.annotation.Init;
import org.oasisopen.sca.annotation.Property;
import org.oasisopen.sca.annotation.Scope;
import org.oasisopen.sca.annotation.Service;

@EagerInit
@Scope("COMPOSITE")
@Service(CountryRepository.class)
public class CountryRepositoryImpl implements CountryRepository {

    private String fileName;
    private List<Country> countries;

    @Constructor
    public CountryRepositoryImpl(@Property(name = "fileName") String fileName) {
        this.fileName = fileName;
        countries = new ArrayList<Country>();
    }

    @Init
    public void start() {
        try {
            BufferedReader reader = new BufferedReader(new InputStreamReader(getClass().getClassLoader()
                    .getResourceAsStream(fileName)));
            String line;
            while ((line = reader.readLine()) != null) {
                if (!line.startsWith("#")) {
                    Country c = new Country();
                    c.setName(line);
                    countries.add(c);
                }
            }
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    @Override
    public List<Country> findStartingWith(String text) {
        List<Country> result = new ArrayList<Country>();
        for (Country c : countries) {
            if (c.getName().toLowerCase().startsWith(text.toLowerCase())) {
                result.add(c);
            }
        }
        return result;
    }

}