Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (C) 2010 Google 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.
 */

import java.io.File;

import java.util.List;

public class Main {
    /**
     * Given an ordered list of directories to look in, locate the specified file.
     * Returns <code>null</code> if file not found.
     * @param loadpaths the ordered list of paths to search.
     * @param filename the name of the file.
     * @return a File object corresponding to the file. <code>null</code> if
     *     file not found.
     */
    public static File locateFile(List<String> loadpaths, String filename) {
        if (filename == null) {
            throw new NullPointerException("No filename provided");
        }
        if (loadpaths == null) {
            throw new NullPointerException("No loadpaths provided.");
        }
        for (String path : loadpaths) {
            File file = new File(path, filename);
            if (file.exists()) {
                return file;
            }
        }
        return null;
    }
}