Package org.apache.commons.io.input
package org.apache.commons.io.input
Provides implementations of input classes, such as
InputStream and Reader.-
ClassDescriptionA filter reader that filters out characters where subclasses decide which characters to filter out.Proxy stream that closes and discards the underlying stream as soon as the end of input has been reached or when the stream is explicitly closed.Builds a new
AutoCloseInputStreaminstance.This class is used to wrap a stream that includes an encodedByteOrderMarkas its first bytes.Builds a newBOMInputStream.Reads bytes up to a maximum count and stops once reached.Builds a newBoundedInputStream.A reader that imposes a limit to the number of characters that can be read from an underlying reader, returning EOF when this limit is reached, regardless of state of underlying reader.Always throws an exception from allInputStreammethods whereIOExceptionis declared.Always throws an exception from allReadermethods whereIOExceptionis declared.InputStreamimplementation which uses direct buffer to read a file to avoid extra copy of data between Java and native memory which happens when usingBufferedInputStream.Builds a newBufferedFileChannelInputStream.A filter reader that filters out a given character represented as anintcode point, handy to remove known junk characters from CSV files for example.A filter reader that removes a given set of characters represented asintcode points, handy to remove known junk characters from CSV files for example.Implements anInputStreamto read bytes from String, StringBuffer, StringBuilder or CharBuffer, encoded using the specified Charset.Builds a newCharSequenceInputStream.Readerimplementation that can read from String, StringBuffer, StringBuilder or CharBuffer.Automatically verifies aChecksumvalue once the stream is exhausted or the count threshold is reached.Builds a newChecksumInputStream.AnInputStreamthat repeats provided bytes for given target byte count.A special ObjectInputStream that loads a class based on a specifiedClassLoaderrather than the system default.Always returnsIOUtils.EOFto all attempts to read something from the stream.Always returnsIOUtils.EOFto all attempts to read something from it.Proxy stream that prevents the underlying input stream from being closed.Proxy reader that prevents the underlying reader from being closed.Deprecated.Data written to this stream is forwarded to a stream that has been associated with this thread.AnInputStreamthat infinitely repeats the provided bytes.This is an alternative toByteArrayInputStreamwhich removes the synchronization overhead for non-concurrent access; as such this class is not thread-safe.AnInputStreamthat utilizes memory mapped files to improve performance.Builds a newMemoryMappedFileInputStream.Deprecated.Builds a newMessageDigestCalculatingInputStream.Maintains the message digest.This class is an example for using anObservableInputStream.Builds newMessageDigestInputStream.Maintains the message digest.A functional, light weightInputStreamthat emulates a stream of a specified size.A functional, light weightReaderthat emulates a reader of a specified size.TheObservableInputStreamallows, that an InputStream may be consumed by other receivers, apart from the thread, which is reading it.Abstracts observer callback forObservableInputStreams.A proxy stream which acts as aFilterInputStream, by passing all method calls on to the proxied stream, not changing which methods are called.A Proxy stream which acts as expected, that is it passes the method calls on to the proxied stream and doesn't change which methods are being called.Simple alternative to JDKPipedInputStream; queue input stream provides what's written in queue output stream.Builds a newQueueInputStream.Streams data from aRandomAccessFilestarting at its current position.Builds a newRandomAccessFileInputStream.ImplementsInputStreamto asynchronously read ahead from an underlying input stream when a specified amount of data has been read from the current buffer.Builds a newReadAheadInputStream.InputStreamimplementation that reads a character stream from aReaderand transforms it to a byte stream using a specified charset encoding.Builds a newReaderInputStream.Reads lines in a file reversely (similar to a BufferedReader, but starting at the last line).Builds a newReversedLinesFileReader.Provides the contents of multipleReaders in sequence.DataInput for systems relying on little-endian data formats.An input stream decorator that tags potential exceptions so that the stream that caused the exception can easily be identified.A reader decorator that tags potential exceptions so that the reader that caused the exception can easily be identified.Simple implementation of the UNIX "tail -f" functionality.Builds a newTailer.Bridges access to a resource for random access, normally a file.A tailable resource like a file.Listener for events from aTailer.TailerListenerAdapter.InputStream proxy that transparently writes a copy of all bytes read from the proxied stream to a given OutputStream.Reader proxy that transparently writes a copy of all characters read from the proxied reader to a given Reader.Provides bandwidth throttling on a specified InputStream.Builds a newThrottledInputStream.An observer with timestamps.Builds a newUncheckedBufferedReader.Builds a newUncheckedFilterInputStream.Builds a newUncheckedFilterReader.A filtering input stream that ensures the content will have UNIX-style line endings, LF.An unsynchronized version ofBufferedInputStream, not thread-safe.Builds a newUnsynchronizedBufferedInputStream.This is an alternative toByteArrayInputStreamwhich removes the synchronization overhead for non-concurrent access; as such this class is not thread-safe.Builds a newUnsynchronizedByteArrayInputStream.An unsynchronized version ofFilterInputStream, not thread-safe.Builds a newUnsynchronizedFilterInputStream.A filtering input stream that ensures the content will have Windows line endings, CRLF.Character stream that handles all the necessary Voodoo to figure out the charset encoding of the XML document within the stream.Builds a newXmlStreamWriter.The XmlStreamReaderException is thrown by the XmlStreamReader constructors if the charset encoding can not be determined according to the XML 1.0 specification and RFC 3023.
BoundedInputStream(unbounded by default).