realestate.utils.StringUtils.java Source code

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Here is the source code for realestate.utils.StringUtils.java

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/*
 * Copyright(C) 2016 thuebannhadat.com.vn. All rights reserved.
 *
 * This software is the confidential and proprietary information of
 * thuebannhadat.com.vn. You shall not disclose such Confidential Information
 * and shall use it only in accordance with the terms of the license
 * agreement you entered into with thuebannhadat.com.vn.
 */
package realestate.utils;

import java.io.IOException;
import java.security.SecureRandom;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.UUID;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.lang3.RandomStringUtils;
import org.apache.log4j.Logger;
import org.codehaus.jackson.JsonGenerationException;
import org.codehaus.jackson.map.JsonMappingException;
import org.codehaus.jackson.map.ObjectMapper;

import realestate.constants.ValueConstants;

/**
 * @author : DUNGPT
 * @PG_ID : StringUtils
 * @createDate : 05.08.2016
 */
public class StringUtils {

    private static final Logger LOGGER = Logger.getLogger(StringUtils.class);

    /**
     * Convert object to json string
     * 
     * @param obj
     *          is object
     * @return string
     */
    public static String convertObjToJson(Object obj) {
        ObjectMapper mapper = new ObjectMapper();
        try {
            return mapper.writeValueAsString(obj);
        } catch (JsonGenerationException e) {
            e.printStackTrace();
        } catch (JsonMappingException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }

        return null;
    }

    /**
     * random ra mot chuoi ngau nhien
     * 
     * @param length
     *          chieu dai cua chuoi se generate
     * @return string
     */
    public static String randomString(int length) {
        SecureRandom rnd = new SecureRandom();
        StringBuilder sb = new StringBuilder(length);
        for (int i = 0; i < length; i++) {
            sb.append(ValueConstants.ALPHABET.charAt(rnd.nextInt(ValueConstants.ALPHABET.length())));
        }
        return sb.toString();
    }

    /**
     * bo ky tu dac biet thay bang -
     * 
     * @param title
     *          chuoi se duoc bo
     * @return string
     */
    public static String replaceTitleSpecial(String title) {
        String removeString = VNCharacterUtils.removeAccent(title);
        return (removeString.toLowerCase().replaceAll("", "d").replaceAll("[^a-zA-Z0-9\\s+]", "").replaceAll(" ",
                "-"));
    }

    /**
     * tao ra primary key tu title mau tin va generate length
     * 
     * @param title
     *          chuoi se duoc bo
     * @param length
     *          chieu dai cua chuoi se generate
     * @return string
     */
    public static String generateTitleKey(String title, int length) {
        StringBuilder result = new StringBuilder();
        result.append(replaceTitleSpecial(title));
        result.append("-");
        result.append(randomString(length));
        return result.toString();
    }

    /**
     * tao ten cua hinh anh khong bi trung
     * 
     * @param name
     *          ten cua hinh
     * @return string
     */
    public static String nameImage(String name) {

        StringBuilder result = new StringBuilder();

        UUID uuid = UUID.randomUUID();
        String randomUUIDString = uuid.toString();
        result.append(randomUUIDString);
        result.append("-");

        Date dNow = new Date();
        SimpleDateFormat ft = new SimpleDateFormat("yyyy-MM-dd-hh:mm:ss");
        result.append(ft.format(dNow));

        return result.toString();
    }

    /**
     * get url context path
     * 
     * @param request
     * @return string
     */
    public static String getURLWithContextPath(HttpServletRequest request) {
        return request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort()
                + request.getContextPath();
    }

    public static String randomKey(int lenght) {
        return RandomStringUtils.randomAlphanumeric(lenght);
    }

}