Java BufferedReader Read loadCommonMisspellingsFile(String commonMisspellingsFileLocation)

Description

load Common Misspellings File

License

Open Source License

Declaration

public static Map<String, String> loadCommonMisspellingsFile(String commonMisspellingsFileLocation) 

Method Source Code

//package com.java2s;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

public class Main {
    public static Map<String, String> loadCommonMisspellingsFile(String commonMisspellingsFileLocation) {
        Map<String, String> commonMisspellingsMap = null;

        if (commonMisspellingsFileLocation != null) {
            commonMisspellingsMap = new HashMap<String, String>();
            BufferedReader br = null;
            FileReader fr = null;

            try {
                fr = new FileReader(commonMisspellingsFileLocation);
                br = new BufferedReader(fr);

                while (true) {
                    String line = br.readLine();

                    if (line == null || line.trim().length() == 0) {
                        break;
                    }/*  w ww  . jav  a 2 s .com*/

                    int indexOfSeparator = line.indexOf("->");
                    String incorrect = line.substring(0, indexOfSeparator);
                    String correct = line.substring(indexOfSeparator + 2);

                    indexOfSeparator = correct.indexOf(",");

                    if (indexOfSeparator != -1) {
                        correct = correct.substring(0, indexOfSeparator);
                    }

                    // add to the map; no need to lowercase correct spelling (we want America to remain America)
                    commonMisspellingsMap.put(incorrect.toLowerCase(), correct);
                }
            } catch (Throwable thr) {
                String msg = "Error while parsing input file '" + commonMisspellingsFileLocation + "'!";
                throw new IllegalArgumentException(msg, thr);
            } finally {
                if (fr != null) {
                    try {
                        fr.close();
                    } catch (IOException e) {
                        throw new RuntimeException(e);
                    }
                }
                if (br != null) {
                    try {
                        br.close();
                    } catch (IOException e) {
                        throw new RuntimeException(e);
                    }
                }
            }
        }
        return commonMisspellingsMap;
    }
}

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