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/*
 * Copyright (c) 2017. Eric Angeli
 *
 *  Permission is hereby granted, free of charge,
 *  to any person obtaining a copy of this software
 *  and associated documentation files (the "Software"),
 *  to deal in the Software without restriction,
 *  including without limitation the rights to use, copy,
 *  modify, merge, publish, distribute, sublicense,
 *  and/or sell copies of the Software, and to permit
 *  persons to whom the Software is furnished to do so,
 *  subject to the following conditions:
 *
 *  The above copyright notice and this permission
 *  notice shall be included in all copies or substantial
 *  portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 *  WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
 *  AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 *  HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 *  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 *  DEALINGS IN THE SOFTWARE.
 */

package com.thegoate.utils.get;

import com.thegoate.utils.GoateUtils;
import com.thegoate.utils.type.IsType;
import com.thegoate.utils.type.TypeUtility;

import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;

/**
 * Loads the file specified in from into a string and retuns it.
 * Created by Eric Angeli on 5/5/2017.
 */
@IsType
@GetUtil(type = GetFileAsString.class)
public class GetFileAsString extends GetTool implements TypeUtility {
    boolean explode = false;
    boolean overwrite = false;

    public GetFileAsString(){
        super("file::");
    }

    public GetFileAsString(Object selector) {
        super(selector);
    }

    @Override
    public boolean isType(Object check) {
        return (""+check).equalsIgnoreCase("file::");
    }

    public GetFileAsString explode(){
        this.explode = true;
        return this;
    }

    public GetFileAsString overwrite(){
        this.overwrite = true;
        return this;
    }
    @Override
    public Object from(Object container) {
        Object result = new NotFound(""+selector);
        if(selector instanceof File){
            try {
                result = new String(Files.readAllBytes(((File) selector).toPath()));
            } catch (IOException e) {
                LOG.error("Problem loading file into a string: " + e.getMessage(), e);
            }
        }else {
            String file = "" + selector;

            if (!file.equals("") && !file.equalsIgnoreCase("null")) {
                String fullPath = GoateUtils.getFilePath(file, !explode, overwrite);
                try {
                    if (fullPath.contains(":")) {
                        if (fullPath.indexOf("/") == 0) {
                            fullPath = fullPath.substring(1);
                        }
                    }
                    result = new String(Files.readAllBytes(Paths.get(fullPath)));
                } catch (Exception e) {
                    LOG.error("Problem loading file into a string: " + e.getMessage(), e);
                }
            }
        }
        result = processNested(result);//process nested gets.
        return result;
    }

    @Override
    public Class type(Object check) {
        return getClass();
    }
}