Examples of org.jruby.util.IOOutputStream

org.jruby.util.IOOutputStream
This class wraps a IRubyObject in an OutputStream. 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 writing, and the only requirement on the io-object is that it responds to write() and close() like IO. @author Ola Bini

    private static OutputStream outputStream(IRubyObject out) {
        setBinmodeIfPossible(out);
        if (out instanceof RubyIO) {
            return ((RubyIO) out).getOutStream();
        }
        return new IOOutputStream(out);
    }

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        IRubyObject io2 = null;
        if(args.length == 2 && args[1] != null && !args[1].isNil()) {
            io = args[1];
        }
        YAMLConfig cfg = YAML.config().version("1.0");
        IOOutputStream iox = null;
        if(null == io) {
            io2 = self.getRuntime().fastGetClass("StringIO").callMethod(context, "new");
            iox = new IOOutputStream(io2);
        } else {
            iox = new IOOutputStream(io);
        }
        Serializer ser = new JRubySerializer(new EmitterImpl(iox,cfg),new ResolverImpl(),cfg);
        try {
            ser.open();
            Representer r = new JRubyRepresenter(ser, cfg);

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        private GZIPOutputStream io;
        
        @JRubyMethod(name = "initialize", required = 1, rest = true, frame = true, visibility = Visibility.PRIVATE)
        public IRubyObject initialize2(IRubyObject[] args, Block unusedBlock) throws IOException {
            realIo = (RubyObject)args[0];
            this.io = new GZIPOutputStream(new IOOutputStream(args[0]));
            
            return this;
        }

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        if(null != os) {
            return new PrintStream(os);
        } else {
            return new PrintStream(new org.jruby.util.SwallowingOutputStream());
        }*/
        return new PrintStream(new IOOutputStream(getGlobalVariables().get("$stderr")));
    }

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


    public PrintStream getOutputStream() {
        return new PrintStream(new IOOutputStream(getGlobalVariables().get("$stdout")));
    }

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            private boolean headerIsWritten = false;
            private long modifiedTime = System.currentTimeMillis();
            private final static int DEFAULT_BUFFER_SIZE = 512;


            public HeaderModifyableGZIPOutputStream(IRubyObject io) throws IOException {
                super(new IOOutputStream(io, false, false), new Deflater(Deflater.DEFAULT_COMPRESSION, true), DEFAULT_BUFFER_SIZE);
                this.io = io;
                position = 0;
            }

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    }


    private static OutputStream outputStream(ThreadContext context, IRubyObject out) {
        setBinmodeIfPossible(context, out);
        return new IOOutputStream(out);
    }

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        if(null != os) {
            return new PrintStream(os);
        } else {
            return new PrintStream(new org.jruby.util.SwallowingOutputStream());
        }*/
        return new PrintStream(new IOOutputStream(getGlobalVariables().get("$stderr")));
    }

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


    public PrintStream getOutputStream() {
        return new PrintStream(new IOOutputStream(getGlobalVariables().get("$stdout")));
    }

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    @JRubyMethod(visibility = PRIVATE)
    public IRubyObject initialize(ThreadContext context, IRubyObject io) {
        options = new DumperOptions();
        options.setIndent(2);
        emitter = new Emitter(new OutputStreamWriter(new IOOutputStream(io)), options);


        return context.nil;
    }

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