StringUtil.java

/*
 * Copyright 2018 the original author or authors.
 *
 * 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.
 */
package com.sandy.ecp.framework.util;

import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.math.NumberUtils;
import org.apache.commons.text.StringEscapeUtils;

import net.sourceforge.pinyin4j.PinyinHelper;
import net.sourceforge.pinyin4j.format.HanyuPinyinCaseType;
import net.sourceforge.pinyin4j.format.HanyuPinyinOutputFormat;
import net.sourceforge.pinyin4j.format.HanyuPinyinToneType;
import net.sourceforge.pinyin4j.format.exception.BadHanyuPinyinOutputFormatCombination;

/**
 * 字符处理工具类.
 * @author Sandy
 * @since 1.0.0 2022-03-02 12:12:12
 */
public class StringUtil extends StringUtils {
	
	/**
     * * 判断一个对象是否为空
     * 
     * @param object Object
     * @return true：为空 false：非空
     */
    public static boolean isNull(Object object) {
        return object == null;
    }
    
    /**
     * 判断一个对象是否非空
     * @param object Object
     * @return true：非空 false：空
     */
    public static boolean isNotNull(Object object)
    {
        return !isNull(object);
    }
	
	public static boolean isInclue(CharSequence value, CharSequence p) {
		return contains(value, p);
	}

	public static boolean isNotEmptyString(String value) {
		if (isEmpty(value)) {
			return false;
		}
		return true;
	}

	public static boolean isNumber(final String str) {
		return NumberUtils.isCreatable(str);
	}

	public static String escapeHtml4(String input) {
		return StringEscapeUtils.escapeHtml4(input);
	}
	
	public static String unescapeHtml4(String input) {
		return StringEscapeUtils.unescapeHtml4(input);
	}

	public static int hashCode(String v) {
		int h = 0;
		if (v != null && v.length() > 0) {
			char val[] = v.toCharArray();
			for (int i = 0; i < val.length; i++) {
				h = 31 * h + val[i];
			}
		}
		return h;
	}

	/**
	 * 获取字符串拼音的第一个字母
	 * @param chinese
	 * @return
	 */
	public static String toFirstChar(String chinese) {
		String pinyinStr = "";
		char[] newChar = chinese.toCharArray(); // 转为单个字符
		HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
		defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
		defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
		for (int i = 0; i < newChar.length; i++) {
			if (newChar[i] > 128) {
				try {
					pinyinStr += PinyinHelper.toHanyuPinyinStringArray(newChar[i], defaultFormat)[0].charAt(0);
				} catch (BadHanyuPinyinOutputFormatCombination e) {
					e.printStackTrace();
				}
			} else {
				pinyinStr += newChar[i];
			}
		}
		return pinyinStr;
	}

	/**
	 * 汉字转为拼音
	 * @param chinese
	 * @return
	 */
	public static String toPinyin(String chinese) {
		String pinyinStr = "";
		char[] newChar = chinese.toCharArray();
		HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
		defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
		defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
		for (int i = 0; i < newChar.length; i++) {
			if (newChar[i] > 128) {
				try {
					pinyinStr += PinyinHelper.toHanyuPinyinStringArray(newChar[i], defaultFormat)[0];
				} catch (BadHanyuPinyinOutputFormatCombination e) {
					e.printStackTrace();
				}
			} else {
				pinyinStr += newChar[i];
			}
		}
		return pinyinStr;
	}
}