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.

        Ruby runtime = context.runtime;
        
        // FIXME? only supports Unicode, since we have to produces strings...
        StreamReader reader;
        if (target.respondsTo("read")) {
            reader = new StreamReader(new InputStreamReader(new IOInputStream(target)));
        } else {
            reader = new StreamReader(new StringReader(target.convertToString().asJavaString()));
        }
        Parser parser = new ParserImpl(reader);
        IRubyObject handler = getInstanceVariable("@handler");

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    public static class AnyIO {
        @JRubyMethod(name = "to_inputstream")
        public static IRubyObject any_to_inputstream(ThreadContext context, IRubyObject self) {
            // using IOInputStream may not be the most performance way, but it's easy.
            return JavaUtil.convertJavaToUsableRubyObject(context.getRuntime(), new IOInputStream(self));
        }

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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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            return new StreamReader(isr);
        }


        // fall back on IOInputStream, using default charset
        if (yaml.respondsTo("read")) {
            return new StreamReader(new InputStreamReader(new IOInputStream(yaml), Charset.defaultCharset()));
        } else {
            throw runtime.newTypeError(yaml, runtime.getIO());
        }
    }

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    public static class AnyIO {
        @JRubyMethod(name = "to_inputstream")
        public static IRubyObject any_to_inputstream(ThreadContext context, IRubyObject self) {
            // using IOInputStream may not be the most performance way, but it's easy.
            return JavaUtil.convertJavaToUsableRubyObject(context.runtime, new IOInputStream(self));
        }

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    public IRubyObject initialize(IRubyObject stream) {
        realIo = stream;
        line = 0;
        position = 0;
        try {
            io = new com.jcraft.jzlib.GZIPInputStream(new IOInputStream(realIo),
                    512,
                    false); // don't close realIO
            // JRUBY-4502
            // CRuby expects to parse gzip header in 'new'.
            io.readHeader();

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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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    public static class AnyIO {
        @JRubyMethod(name = "to_inputstream")
        public static IRubyObject any_to_inputstream(ThreadContext context, IRubyObject self) {
            // using IOInputStream may not be the most performance way, but it's easy.
            return JavaUtil.convertJavaToUsableRubyObject(context.runtime, new IOInputStream(self));
        }

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