com.sitexa.android.community.utils.StringUtil.java Source code

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Here is the source code for com.sitexa.android.community.utils.StringUtil.java

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/*
 *   Copyright (C) 2015 Sitexa Open Source Project
 *   <p>
 *   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
 *   <p>
 *   http://www.apache.org/licenses/LICENSE-2.0
 *   <p>
 *   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.
 */

package com.sitexa.android.community.utils;

import org.apache.commons.lang3.StringUtils;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.regex.Pattern;

public class StringUtil extends StringUtils {

    private final static Pattern emailer = Pattern.compile("\\w+([-+.]\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*");

    private final static ThreadLocal<SimpleDateFormat> dateFormater = new ThreadLocal<SimpleDateFormat>() {
        @Override
        protected SimpleDateFormat initialValue() {
            return new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        }
    };

    private final static ThreadLocal<SimpleDateFormat> dateFormater2 = new ThreadLocal<SimpleDateFormat>() {
        @Override
        protected SimpleDateFormat initialValue() {
            return new SimpleDateFormat("yyyy-MM-dd");
        }
    };

    /**
     * 
     *
     * @param sdate
     * @return
     */
    public static Date toDate(String sdate) {
        try {
            return dateFormater.get().parse(sdate);
        } catch (ParseException e) {
            return null;
        }
    }

    /**
     * ?
     *
     * @param sdate
     * @return boolean
     */
    public static boolean isToday(String sdate) {
        boolean b = false;
        Date time = toDate(sdate);
        Date today = new Date();
        if (time != null) {
            String nowDate = dateFormater2.get().format(today);
            String timeDate = dateFormater2.get().format(time);
            if (nowDate.equals(timeDate)) {
                b = true;
            }
        }
        return b;
    }

    /**
     * long
     *
     * @return
     */
    public static long getToday() {
        Calendar cal = Calendar.getInstance();
        String curDate = dateFormater2.get().format(cal.getTime());
        curDate = curDate.replace("-", "");
        return Long.parseLong(curDate);
    }

    /**
     * ? ????? nulltrue
     *
     * @param input
     * @return boolean
     */
    public static boolean isEmpty(String input) {
        if (input == null || "".equals(input))
            return true;

        for (int i = 0; i < input.length(); i++) {
            char c = input.charAt(i);
            if (c != ' ' && c != '\t' && c != '\r' && c != '\n') {
                return false;
            }
        }
        return true;
    }

    /**
     * ????
     *
     * @param email
     * @return
     */
    public static boolean isEmail(String email) {
        if (email == null || email.trim().length() == 0)
            return false;
        return emailer.matcher(email).matches();
    }

    /**
     * 
     *
     * @param str
     * @param defValue
     * @return
     */
    public static int toInt(String str, int defValue) {
        try {
            return Integer.parseInt(str);
        } catch (Exception e) {
        }
        return defValue;
    }

    /**
     * 
     *
     * @param obj
     * @return ? 0
     */
    public static int toInt(Object obj) {
        if (obj == null)
            return 0;
        return toInt(obj.toString(), 0);
    }

    /**
     * 
     *
     * @param obj
     * @return ? 0
     */
    public static long toLong(String obj) {
        try {
            return Long.parseLong(obj);
        } catch (Exception e) {
        }
        return 0;
    }

    /**
     * 
     *
     * @param b
     * @return ? false
     */
    public static boolean toBool(String b) {
        try {
            return Boolean.parseBoolean(b);
        } catch (Exception e) {
        }
        return false;
    }

    /**
     * InputStream???
     *
     * @param is
     * @return
     */
    public static String toConvertString(InputStream is) {
        StringBuffer res = new StringBuffer();
        InputStreamReader isr = new InputStreamReader(is);
        BufferedReader read = new BufferedReader(isr);
        try {
            String line;
            line = read.readLine();
            while (line != null) {
                res.append(line);
                line = read.readLine();
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            try {
                if (null != isr) {
                    isr.close();
                    isr.close();
                }
                if (null != read) {
                    read.close();
                    read = null;
                }
                if (null != is) {
                    is.close();
                    is = null;
                }
            } catch (IOException e) {
            }
        }
        return res.toString();
    }
    //end by wubi

    /**
     * ?6?
     *
     * @return
     */
    final public static String getRandom6Number() {
        String t = Long.valueOf(System.nanoTime()).toString();
        return t.substring(t.length() - 6);
    }

    public static int length(String paramString) {
        int i = 0;
        for (int j = 0; j < paramString.length(); j++) {
            if (paramString.substring(j, j + 1).matches("[-]")) {
                i += 2;
            } else {
                i++;
            }
        }

        if (i % 2 > 0) {
            i = 1 + i / 2;
        } else {
            i = i / 2;
        }

        return i;
    }
}