de.unkrig.commons.io

Class LineUtil

java.lang.Object

de.unkrig.commons.io.LineUtil

public final class LineUtil
extends java.lang.Object

Various utility methods for processing "lines", i.e. sequences of strings (which typically don't contain line breaks).

Method Summary

Modifier and Type	Method and Description
static Consumer<java.lang.String>	lineConsumer(java.io.PrintStream ps) Prints the consumed strings as lines to the given PrintStream.
static <T extends java.lang.CharSequence> Consumer<T>	lineConsumer(java.io.PrintWriter pw) Prints the consumed strings as lines to the given PrintWriter.
static ConsumerWhichThrows<java.lang.String,java.io.IOException>	lineConsumer(java.io.Writer w) Writes the consumed strings as lines to the given Writer.
static ConsumerWhichThrows<java.lang.String,java.io.IOException>	lineConsumerISO8859_1(java.io.OutputStream out) Writes the consumed strings as lines to the ISO 8859-1-encoded OutputStream.
static Producer<java.lang.CharSequence>	lineProducer(java.lang.CharSequence text) Produces lines from a CharSequence by splitting that at line breaks.
static ProducerWhichThrows<java.lang.String,java.io.IOException>	lineProducer(java.io.Reader r) Produces lines from a Reader.
static Producer<java.lang.String>	lineProducer(java.lang.String text) Produces lines from a string by splitting that at line breaks.
static ProducerWhichThrows<java.lang.String,java.io.IOException>	lineProducerISO8859_1(java.io.InputStream in) Produces lines from a ISO 8859-1-encoded InputStream.
static java.util.List<java.lang.String>	readAllLines(java.io.Reader r, boolean closeReader) Reads lines from the given reader until end-of-input.
static ProducerWhichThrows<java.lang.String,java.io.IOException>	readLineWithSeparator(java.io.Reader r) Similar to BufferedReader.readLine(), except that The produced strings include the line separator Not only CR, LF and CRLF are recognized as line terminators, but also some other special characters, as described here

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

lineProducerISO8859_1

public static ProducerWhichThrows<java.lang.String,java.io.IOException> lineProducerISO8859_1(java.io.InputStream in)

Produces lines from a ISO 8859-1-encoded InputStream.

lineProducer

public static ProducerWhichThrows<java.lang.String,java.io.IOException> lineProducer(java.io.Reader r)

Produces lines from a Reader.

lineProducer

public static Producer<java.lang.String> lineProducer(java.lang.String text)

Produces lines from a string by splitting that at line breaks.

lineProducer

public static Producer<java.lang.CharSequence> lineProducer(java.lang.CharSequence text)

Produces lines from a CharSequence by splitting that at line breaks.

readLineWithSeparator

public static ProducerWhichThrows<java.lang.String,java.io.IOException> readLineWithSeparator(java.io.Reader r)

Similar to BufferedReader.readLine(), except that

• The produced strings include the line separator
• Not only CR, LF and CRLF are recognized as line terminators, but also some other special characters, as described here

Parameters:

r - The source of characters

Returns:

Produces one string for each parsed line and null at end-of-input

lineConsumerISO8859_1

public static ConsumerWhichThrows<java.lang.String,java.io.IOException> lineConsumerISO8859_1(java.io.OutputStream out)

Writes the consumed strings as lines to the ISO 8859-1-encoded OutputStream.

lineConsumer

public static ConsumerWhichThrows<java.lang.String,java.io.IOException> lineConsumer(java.io.Writer w)

Writes the consumed strings as lines to the given Writer.

lineConsumer

public static <T extends java.lang.CharSequence> Consumer<T> lineConsumer(java.io.PrintWriter pw)

Prints the consumed strings as lines to the given PrintWriter.

lineConsumer

public static Consumer<java.lang.String> lineConsumer(java.io.PrintStream ps)

Prints the consumed strings as lines to the given PrintStream.

readAllLines

public static java.util.List<java.lang.String> readAllLines(java.io.Reader r,
                                                            boolean closeReader)
                                                     throws java.io.IOException

Reads lines from the given reader until end-of-input.

Throws:

java.io.IOException