clojure.java.io

Coerce between various 'resource-namish' things.

Factory functions that create ready-to-use, buffered versions of the various Java I/O stream types, on top of anything that can be unequivocally converted to the requested kind of stream. Common options include :append true to open stream in append mode :encoding string name of encoding to use, e.g. "UTF-8". Callers should generally prefer the higher level API provided by reader, writer, input-stream, and output-stream.

Coerce argument to a file.

Take an as-file-able thing and return a string if it is a relative path, else IllegalArgumentException.

Coerce argument to a URL.

Copies input to output. Returns nil or throws IOException. Input may be an InputStream, Reader, File, byte[], char[], or String. Output may be an OutputStream, Writer, or File. Options are key/value pairs and may be one of :buffer-size buffer size to use, default is 1024. :encoding encoding to use if converting between byte and char streams. Does not close any streams except those it opens itself (on a File).

Delete file f. If silently is nil or false, raise an exception on failure, else return the value of silently.

Returns a java.io.File, passing each arg to as-file. Multiple-arg versions treat the first argument as parent and subsequent args as children relative to the parent.

Attempts to coerce its argument into an open java.io.InputStream. Default implementations always return a java.io.BufferedInputStream. Default implementations are defined for InputStream, File, URI, URL, Socket, byte array, and String arguments. If the argument is a String, it tries to resolve it first as a URI, then as a local file name. URIs with a 'file' protocol are converted to local file names. Should be used inside with-open to ensure the InputStream is properly closed.

Creates a BufferedInputStream. See also IOFactory docs.

Creates a BufferedOutputStream. See also IOFactory docs.

Given the same arg(s) as for file, creates all parent directories of the file they represent.

Creates a BufferedReader. See also IOFactory docs.

Creates a BufferedWriter. See also IOFactory docs.

Attempts to coerce its argument into an open java.io.OutputStream. Default implementations always return a java.io.BufferedOutputStream. Default implementations are defined for OutputStream, File, URI, URL, Socket, and String arguments. If the argument is a String, it tries to resolve it first as a URI, then as a local file name. URIs with a 'file' protocol are converted to local file names. Should be used inside with-open to ensure the OutputStream is properly closed.

Attempts to coerce its argument into an open java.io.Reader. Default implementations always return a java.io.BufferedReader. Default implementations are provided for Reader, BufferedReader, InputStream, File, URI, URL, Socket, byte arrays, character arrays, and String. If argument is a String, it tries to resolve it first as a URI, then as a local file name. URIs with a 'file' protocol are converted to local file names. Should be used inside with-open to ensure the Reader is properly closed.

Returns the URL for a named resource. Use the context class loader if no loader is specified.

Attempts to coerce its argument into an open java.io.Writer. Default implementations always return a java.io.BufferedWriter. Default implementations are provided for Writer, BufferedWriter, OutputStream, File, URI, URL, Socket, and String. If the argument is a String, it tries to resolve it first as a URI, then as a local file name. URIs with a 'file' protocol are converted to local file names. Should be used inside with-open to ensure the Writer is properly closed.