org.wikidata.query.rdf.tool

Class CliUtils

java.lang.Object

org.wikidata.query.rdf.tool.CliUtils

public final class CliUtils
extends Object

Utilities for command line scripts.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	CliUtils.ForbiddenOk Methods in this class are ignored by the forbiddenapis checks.

Method Summary

Methods

Modifier and Type	Method and Description
static InputStream	inputStream(String uri) Get an input stream for a uri.
static OutputStream	outputStream(String out) Get an output stream for a file.
static Reader	reader(String uri) Build a reader for the uri.
static Writer	writer(String uri) Build a writer for the uri.

Methods inherited from class java.lang.Object

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

Method Detail

reader

public static Reader reader(String uri)
                     throws IOException

Build a reader for the uri.

Throws:

IOException - if it is thrown opening the files and such

inputStream

public static InputStream inputStream(String uri)
                               throws IOException

Get an input stream for a uri. If the uri looks like a gzip file then unzips it on the fly.

Throws:

IOException - if it is thrown opening the files and such

writer

public static Writer writer(String uri)
                     throws IOException

Build a writer for the uri.

Throws:

IOException - if it is thrown opening the files and such

outputStream

public static OutputStream outputStream(String out)
                                 throws IOException

Get an output stream for a file. If the file is - then returns stdin instead. If the file looks like a gzip file then zips it on the fly. Also creates the file file's parent directories if they don't already exist.

Throws:

IOException - if it is thrown opening the files and such