Java InputStream Read Line readLineStringBuilder(InputStream is)

Description

read Line String Builder

License

Open Source License

Declaration

private static String readLineStringBuilder(InputStream is) throws Exception 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.io.InputStream;

public class Main {
    private static String readLineStringBuilder(InputStream is) throws Exception {
        // FIXME con StringBuilder OutOfMemoryError sul NAS di Telecom
        String res = null;//w  w  w.j a va  2 s.  co  m
        StringBuilder sb = new StringBuilder(192); // most of the lines are shorter than 192 chars
        int temp = is.read();
        while (temp != 0x0D) {
            if (sb.capacity() >= 4000) {
                //            System.out.println("InternetUltil.readLineStringBuilder: sb.toString() " + sb.toString());
                //            System.out.println("InternetUltil.readLineStringBuilder: sb.length() " + sb.length() + " sb.capacity() " + sb.capacity());
                sb.setLength(0);
                sb = null;
                return null; // reset the sb to avoid the out of memory exception
            }
            sb.append((char) temp);
            temp = is.read();
        }
        is.read(); // skip (char)0x0A

        //      if(sb.length() > 1000){
        //         System.out.println("InternetUltil.readLineStringBuilder: sb.toString() " + sb.toString());
        //         System.out.println("InternetUltil.readLineStringBuilder: sb.length() " + sb.length() + " sb.capacity() " + sb.capacity());
        //      }
        res = sb.toString();
        sb = null;
        return res;
    }
}

Related

1. readLines(InputStream stream, String charset)
2. readLinesCommon(InputStream in)
3. readLineSet(InputStream stream)
4. readLinesStream(InputStream is, boolean trim)
5. readLineString(InputStream is)
6. readLineStringConcat(InputStream is)
7. readLinesUntil(InputStream br, String ln)