Java InputStream Read Line readLines(InputStream input, String encoding)

Description

Get the contents of an InputStream as a list of Strings, one entry per line, using the specified character encoding.

License

Open Source License

Parameter

Parameter	Description
input	the <code>InputStream</code> to read from, not null
encoding	the encoding to use, null means platform default

Exception

Parameter	Description
NullPointerException	if the input is null
IOException	if an I/O error occurs

Return

the list of Strings, never null

Declaration

@SuppressWarnings("rawtypes")
public static List readLines(InputStream input, String encoding) throws IOException 

Method Source Code

//package com.java2s;

import java.io.BufferedReader;

import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

import java.io.Reader;

import java.util.ArrayList;

import java.util.List;

public class Main {
    /**//www .j a v  a2 s.  c o  m
     * Get the contents of an <code>InputStream</code> as a list of Strings,
     * one entry per line, using the default character encoding of the platform.
     * <p>
     * This method buffers the input internally, so there is no need to use a
     * <code>BufferedInputStream</code>.
     *
     * @param input  the <code>InputStream</code> to read from, not null
     * @return the list of Strings, never null
     * @throws NullPointerException if the input is null
     * @throws IOException if an I/O error occurs
     * @since Commons IO 1.1
     */
    @SuppressWarnings("rawtypes")
    public static List readLines(InputStream input) throws IOException {
        InputStreamReader reader = new InputStreamReader(input);
        return readLines(reader);
    }

    /**
     * Get the contents of an <code>InputStream</code> as a list of Strings,
     * one entry per line, using the specified character encoding.
     * <p>
     * Character encoding names can be found at
     * <a href="http://www.iana.org/assignments/character-sets">IANA</a>.
     * <p>
     * This method buffers the input internally, so there is no need to use a
     * <code>BufferedInputStream</code>.
     *
     * @param input  the <code>InputStream</code> to read from, not null
     * @param encoding  the encoding to use, null means platform default
     * @return the list of Strings, never null
     * @throws NullPointerException if the input is null
     * @throws IOException if an I/O error occurs
     * @since Commons IO 1.1
     */
    @SuppressWarnings("rawtypes")
    public static List readLines(InputStream input, String encoding) throws IOException {
        if (encoding == null) {
            return readLines(input);
        } else {
            InputStreamReader reader = new InputStreamReader(input, encoding);
            return readLines(reader);
        }
    }

    /**
     * Get the contents of a <code>Reader</code> as a list of Strings,
     * one entry per line.
     * <p>
     * This method buffers the input internally, so there is no need to use a
     * <code>BufferedReader</code>.
     *
     * @param input  the <code>Reader</code> to read from, not null
     * @return the list of Strings, never null
     * @throws NullPointerException if the input is null
     * @throws IOException if an I/O error occurs
     * @since Commons IO 1.1
     */
    @SuppressWarnings({ "rawtypes", "unchecked" })
    public static List readLines(Reader input) throws IOException {
        BufferedReader reader = new BufferedReader(input);
        List list = new ArrayList();
        String line = reader.readLine();
        while (line != null) {
            list.add(line);
            line = reader.readLine();
        }
        return list;
    }
}

Related

1. readLines(InputStream input)
2. readLines(InputStream input)
3. readLines(InputStream input)
4. readLines(InputStream input)
5. readLines(InputStream input, String encoding)
6. readLines(InputStream input, String encoding)
7. readLines(InputStream input, String encoding)
8. readLines(InputStream input, String encoding)
9. readLines(InputStream inputStream)