Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 ** 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.
 */

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main {
    private static final Pattern PAT_COORD_COMPONENT = Pattern.compile("([\\d.]+)[^\\d]*");
    private static final Pattern PAT_NEGSIGN = Pattern.compile("[-WS]");
    private static final Pattern PAT_SIGN = Pattern.compile("[-EWNS]");

    public static double parseCoordinate(CharSequence string) {
        int sign = 1;
        final Matcher negsignMatcher = PAT_NEGSIGN.matcher(string);
        if (negsignMatcher.find()) {
            sign = -1;
        }

        final Matcher signMatcher = PAT_SIGN.matcher(string);
        string = signMatcher.replaceAll("");

        final Matcher dmsMatcher = PAT_COORD_COMPONENT.matcher(string);
        double degrees = 0.0;
        for (double scale = 1.0; scale <= 3600.0 && dmsMatcher.find(); scale *= 60.0) {
            degrees += Double.parseDouble(dmsMatcher.group(1)) / scale;
        }
        return sign * degrees;
    }
}