从一段文字中提取出uri信息

package handle.groupby;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Reader;
import java.io.Writer;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.mockito.asm.tree.IntInsnNode;

public class GetUrlFromString {

    @SuppressWarnings("resource")
    public static void main(String[] args) throws IOException {
        String line="";
        Pattern pattern = Pattern.compile("([\w.]{1}[\w\/.\s]*[\w]{1})",Pattern.CASE_INSENSITIVE);
        
        BufferedReader r= new BufferedReader(new FileReader(args[0]));
        BufferedWriter w=new BufferedWriter(new FileWriter(args[1])) ;
        while ((line=r.readLine())!=null) {
            String source = line;
             Matcher matcher = pattern.matcher(source);
                while(matcher.find()){
//                    System.out.println(matcher.group(matcher.groupCount()));
                    String url=matcher.group(matcher.groupCount());
                    if (url.contains(".")) {
                        String resUrl="";
                        String resUrl2="";
                        if (url.contains("/")) {
                //这个判断是为了提取出短域名的网站级访问访问信息,不需要可以删掉。
                //例如从:汉字汉字汉字t.cn/RVIIIj8汉字汉字 中提取出 t.cn/RVIIIj8而不是t.cn
int i =url.lastIndexOf("/"); int i2 =url.indexOf("/"); if (i==i2) { resUrl=url; }else { resUrl =url.split("/")[0]; } }else { resUrl=url; } //去空格 resUrl= resUrl.replaceAll(" ", ""); w.write(source+"|"+resUrl); w.write(" "); } } } r.close(); w.flush(); w.close(); System.out.println("执行完毕"); } }
原文地址:https://www.cnblogs.com/yanghaolie/p/6418779.html