Examples of org.jruby.util.IOInputStream

org.jruby.util.IOInputStream
This class wraps a IRubyObject in an InputStream. Depending on which messages the IRubyObject answers to, it will have different functionality. The point is that the IRubyObject could exhibit duck typing, in the style of IO versus StringIO, for example. At the moment, the only functionality supported is reading, and the only requirement on the io-object is that it responds to read() like IO.

    private static InputStream inputStream(IRubyObject in) {
        setBinmodeIfPossible(in);
        if (in instanceof RubyIO) {
            return ((RubyIO) in).getInStream();
        }
        return new IOInputStream(in);
    }

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        Scanner scn = null;
        try {
            if(io instanceof RubyString) {
                scn = debug ? new PositioningScannerImpl(((RubyString)io).getByteList()) : new ScannerImpl(((RubyString)io).getByteList());
            } else {
                scn = debug ? new PositioningScannerImpl(new IOInputStream(io)) : new ScannerImpl(new IOInputStream(io));
            }
            Composer ctor = 
                debug ?
                new PositioningComposerImpl(new PositioningParserImpl((PositioningScanner)scn,YAML.config().version("1.0")),new ResolverImpl()) :
                new ComposerImpl(new ParserImpl(scn,YAML.config().version("1.0")),new ResolverImpl())

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        Scanner scn = null;
        try {
            if(io instanceof RubyString) {
                scn = debug ? new PositioningScannerImpl(((RubyString)io).getByteList()) : new ScannerImpl(((RubyString)io).getByteList());
            } else {
                scn = debug ? new PositioningScannerImpl(new IOInputStream(io)) : new ScannerImpl(new IOInputStream(io));
            }
            Constructor ctor = 
                debug ?
                new JRubyConstructor(self, new PositioningComposerImpl(new PositioningParserImpl((PositioningScanner)scn,YAML.config().version("1.0")),new ResolverImpl())) :
                new JRubyConstructor(self, new ComposerImpl(new ParserImpl(scn,YAML.config().version("1.0")),new ResolverImpl()))

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        Scanner scn = null;
        try {
            if(io instanceof RubyString) {
                scn = debug ? new PositioningScannerImpl(((RubyString)io).getByteList()) : new ScannerImpl(((RubyString)io).getByteList());
            } else {
                scn = debug ? new PositioningScannerImpl(new IOInputStream(io)) : new ScannerImpl(new IOInputStream(io));
            }
            Constructor ctor = 
                debug ?
                new JRubyConstructor(self, new PositioningComposerImpl(new PositioningParserImpl((PositioningScanner)scn,YAML.config().version("1.0")),new ResolverImpl())) :
                new JRubyConstructor(self, new ComposerImpl(new ParserImpl(scn,YAML.config().version("1.0")),new ResolverImpl()))

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        Scanner scn = null;
        try {
            if(io instanceof RubyString) {
                scn = debug ? new PositioningScannerImpl(((RubyString)io).getByteList()) : new ScannerImpl(((RubyString)io).getByteList());
            } else {
                scn = debug ? new PositioningScannerImpl(new IOInputStream(io)) : new ScannerImpl(new IOInputStream(io));
            }
            Constructor ctor = 
                debug ?
                new JRubyConstructor(self, new PositioningComposerImpl(new PositioningParserImpl((PositioningScanner)scn,YAML.config().version("1.0")),new ResolverImpl())) :
                new JRubyConstructor(self, new ComposerImpl(new ParserImpl(scn,YAML.config().version("1.0")),new ResolverImpl()))

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        Scanner scn = null;
        try {
            if(io instanceof RubyString) {
                scn = debug ? new PositioningScannerImpl(((RubyString)io).getByteList()) : new ScannerImpl(((RubyString)io).getByteList());
            } else {
                scn = debug ? new PositioningScannerImpl(new IOInputStream(io)) : new ScannerImpl(new IOInputStream(io));
            }
            Constructor ctor = 
                debug ?
                new JRubyConstructor(self, new PositioningComposerImpl(new PositioningParserImpl((PositioningScanner)scn,YAML.config().version("1.0")),new ResolverImpl())) :
                new JRubyConstructor(self, new ComposerImpl(new ParserImpl(scn,YAML.config().version("1.0")),new ResolverImpl()))

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        @JRubyMethod(name = "initialize", required = 1, frame = true, visibility = Visibility.PRIVATE)
        public IRubyObject initialize(IRubyObject io, Block unusedBlock) {
            realIo = io;
            try {
                this.io = new GZIPInputStream(new IOInputStream(io));
            } catch (IOException e) {
                Ruby runtime = io.getRuntime();
                RubyClass errorClass = runtime.fastGetModule("Zlib").fastGetClass("GzipReader").fastGetClass("Error");
                throw new RaiseException(RubyException.newException(runtime, errorClass, e.getMessage()));
            }

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        }*/
        return new PrintStream(new IOOutputStream(getGlobalVariables().get("$stderr")));
    }


    public InputStream getInputStream() {
        return new IOInputStream(getGlobalVariables().get("$stdin"));
    }

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        }
    }


    private static InputStream inputStream(ThreadContext context, IRubyObject in) {
        setBinmodeIfPossible(context, in);
        return new IOInputStream(in);
    }

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        }*/
        return new PrintStream(new IOOutputStream(getGlobalVariables().get("$stderr")));
    }


    public InputStream getInputStream() {
        return new IOInputStream(getGlobalVariables().get("$stdin"));
    }

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