package com.zxing.utils;
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import android.text.TextUtils;
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import java.util.Iterator;
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import java.util.regex.Pattern;
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public abstract class Strings {
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public static final String EMPTY = "";
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public static final String BLANK = " ";
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public static final String EQUAL = "=";
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public static final String AND = "&";
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public static final String QMARK = "?";
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public static final String TRUE = "true";
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public static final String FALSE = "false";
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public static final String CANCEL = "cancel";
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public static final String NULL_STR = "null";
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public static final String SUCCESS = "success";
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public static final String FAIL = "fail";
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public static final String ZERO = "0";
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public static final String SEMICOLON = ";";
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public static final String SPLITE = "/";
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public static final String AT = "@";
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public static final String COMMA = ",";
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public static final String FILE_PRE = "file://";
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public static final String HTTP_PRE = "http";
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public static final String COLON = ":";
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public static final String WRAP = "";
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public static final String STAR = "*";
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public static final String MORE = "...";
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/**
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* 去除字符串中的空格
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*/
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public static String trimAll(CharSequence s) {
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if (s == null || s.length() == 0) return Strings.EMPTY;
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StringBuilder sb = new StringBuilder(s.length());
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for (int i = 0, L = s.length(); i < L; i++) {
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char c = s.charAt(i);
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if (c != ' ') sb.append(c);
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}
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return sb.toString();
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}
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/**
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* 判断是否为手机号码
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*/
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public static boolean isPhoneNum(String phoneNum) {
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if (phoneNum == null || phoneNum.length() != 11) return false;
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if (!TextUtils.isDigitsOnly(phoneNum)) return false;
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Pattern p = Pattern.compile("^((13[0-9])|(14[0-9])|(15[^4,\\D])|(17[0-9])|(18[0-9]))\\d{8}$");
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return p.matcher(phoneNum).find();
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}
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/**
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* 判断是否为座机号码
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*/
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public static boolean isTelNum(String num) {
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if (TextUtils.isEmpty(num)) return false;
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Pattern p = Pattern.compile("(\\(\\d{3,4}\\)|\\d{3,4}-|\\s)?\\d{8}");
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return p.matcher(num).find();
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}
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/**
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* 判断字符串中是否有中文，有中文返回true
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*/
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public static boolean isChinese(String string) {
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boolean flag = false;
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for (int i = 0, L = string.length(); i < L; i++) {
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char c = string.charAt(i);
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if ((c >= 0x4e00) && (c <= 0x9FA5)) {
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flag = true;
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} else {
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return false;
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}
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}
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return flag;
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}
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/**
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* 判断字符长度是否在范围里面。 当start end 为 -1 时，表示字符长度不考虑上线或下线
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*
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* @param str
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* @param start
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* @param end
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* @return
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*/
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public static boolean isLengthInRange(String str, int start, int end) {
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boolean isInRange = true;
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int length = str.length();
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if (start != -1 && length < start) {
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isInRange = false;
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}
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if (end != -1 && end < length) {
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isInRange = false;
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}
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return isInRange;
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}
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/**
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* 字符串转换为long型
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*/
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public static long toLong(String text, long defaultVal) {
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if (TextUtils.isDigitsOnly(text)) {
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try {
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return Long.parseLong(text);
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} catch (NumberFormatException e) {
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}
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}
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return defaultVal;
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}
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/**
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* 字符串转换为int
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*/
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public static int toInt(String text, int defaultVal) {
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if (TextUtils.isDigitsOnly(text)) {
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try {
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return Integer.parseInt(text);
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} catch (NumberFormatException e) {
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}
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}
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return defaultVal;
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}
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public static String join(Iterable<?> iterable, String separator) {
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// handle null, zero and one elements before building a buffer
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if (iterable == null) {
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return null;
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}
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Iterator<?> iterator = iterable.iterator();
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if (!iterator.hasNext()) {
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return EMPTY;
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}
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Object first = iterator.next();
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if (!iterator.hasNext()) {
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return toString(first);
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}
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// two or more elements
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StringBuffer buf = new StringBuffer(256); // Java default is 16, probably too small
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if (first != null) {
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buf.append(first);
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}
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while (iterator.hasNext()) {
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if (separator != null) {
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buf.append(separator);
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}
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Object obj = iterator.next();
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if (obj != null) {
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buf.append(obj);
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}
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}
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return buf.toString();
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}
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public static String toString(Object obj) {
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return obj == null ? "" : obj.toString();
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}
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/**
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* 判断是否为字符串是否为空
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*/
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public static boolean toBoolean(String property, boolean defaultVal) {
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return property == null ? defaultVal : Boolean.valueOf(property);
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}
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public static String format(String str, Object... obj) {
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try {
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return String.format(str, obj);
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} catch (Exception e) {
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e.printStackTrace();
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}
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return str;
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}
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}
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