Package org.jruby

Examples of org.jruby.RubyIO$ByteListCache

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        }
    }

    private RubyIO saveWriteIO(int i, ThreadContext context) {
        IRubyObject obj = writeArray.eltOk(i);
        RubyIO ioObj = RubyIO.convertToIO(context, obj);
        writeIOs[i] = ioObj;
        return ioObj;
    }
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    @JRubyMethod(required = 1)
    public static IRubyObject initialize(IRubyObject recv, IRubyObject io) {
        try {
            if (io instanceof RubyIO) {
                RubyIO rubyIO = (RubyIO)io;
                OpenFile of = rubyIO.getOpenFile();
                Stream stream = of.getMainStreamSafe();
                if (stream instanceof ChannelStream) {
                    ChannelStream cStream = (ChannelStream)stream;
                    if (cStream.getDescriptor().getChannel() instanceof SelectableChannel)  {
                        SelectableChannel selChannel = (SelectableChannel)cStream.getDescriptor().getChannel();
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        }
       
        @JRubyMethod
        public static IRubyObject rbuf_fill(IRubyObject recv) {
            RubyString buf = (RubyString)recv.getInstanceVariables().getInstanceVariable("@rbuf");
            RubyIO io = (RubyIO)recv.getInstanceVariables().getInstanceVariable("@io");

            int timeout = RubyNumeric.fix2int(recv.getInstanceVariables().getInstanceVariable("@read_timeout")) * 1000;
            NativeImpl nim = (NativeImpl)recv.dataGetStruct();

            Selector selector = null;
            synchronized (nim.channel.blockingLock()) {
                boolean oldBlocking = nim.channel.isBlocking();

                try {
                    selector = SelectorFactory.openWithRetryFrom(recv.getRuntime(), SelectorProvider.provider());
                    nim.channel.configureBlocking(false);
                    SelectionKey key = nim.channel.register(selector, SelectionKey.OP_READ);
                    int n = selector.select(timeout);

                    if(n > 0) {
                        IRubyObject readItems = io.read(new IRubyObject[]{recv.getRuntime().newFixnum(1024*16)});
                        return buf.concat(readItems);
                    } else {
                        RubyClass exc = (RubyClass)(recv.getRuntime().getModule("Timeout").getConstant("Error"));
                        throw new RaiseException(RubyException.newException(recv.getRuntime(), exc, "execution expired"),false);
                    }
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    // IOInput/OutputStream or is smart about the kind of IO-like object
    // it's being used against.
   
    @JRubyMethod
    public static IRubyObject to_inputstream(ThreadContext context, IRubyObject self) {
        RubyIO io = (RubyIO)self;
        Ruby runtime = context.runtime;

        try {
            io.getOpenFile().checkReadable(context.runtime);
        } catch (IOException ex) {
            throw runtime.newIOErrorFromException(ex);
        } catch (BadDescriptorException ex) {
            throw runtime.newErrnoEBADFError();
        } catch (InvalidValueException e) {
            throw runtime.newErrnoEINVALError();
        }

        return JavaUtil.convertJavaToUsableRubyObject(context.runtime, io.getInStream());
    }
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        return JavaUtil.convertJavaToUsableRubyObject(context.runtime, io.getInStream());
    }
   
    @JRubyMethod
    public static IRubyObject to_outputstream(ThreadContext context, IRubyObject self) {
        RubyIO io = (RubyIO)self;
        Ruby runtime = context.runtime;

        try {
            io.getOpenFile().checkWritable(context.runtime);
        } catch (IOException ex) {
            throw runtime.newIOErrorFromException(ex);
        } catch (BadDescriptorException ex) {
            throw runtime.newErrnoEBADFError();
        } catch (InvalidValueException e) {
            throw runtime.newErrnoEINVALError();
        }

        return JavaUtil.convertJavaToUsableRubyObject(context.runtime, io.getOutStream());
    }
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        return JavaUtil.convertJavaToUsableRubyObject(context.runtime, io.getOutStream());
    }

    @JRubyMethod
    public static IRubyObject to_channel(ThreadContext context, IRubyObject self) {
        RubyIO io = (RubyIO)self;

        return JavaUtil.convertJavaToUsableRubyObject(context.runtime, io.getChannel());
    }
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    /**
     * returns non-nil if input available without blocking, false if EOF or not open/readable, otherwise nil.
     */
    @JRubyMethod(name = "ready?")
    public static IRubyObject ready(ThreadContext context, IRubyObject obj) {
        RubyIO io = (RubyIO)obj;
        try {
            OpenFile openFile = io.getOpenFile();
            ChannelDescriptor descriptor = openFile.getMainStreamSafe().getDescriptor();
            if (!descriptor.isOpen() || !openFile.getMainStreamSafe().getModes().isReadable() || openFile.getMainStreamSafe().feof()) {
                return context.runtime.getFalse();
            }

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    /**
     * waits until input available or timed out and returns self, or nil when EOF reached.
     */
    @JRubyMethod
    public static IRubyObject io_wait(ThreadContext context, IRubyObject obj) {
        RubyIO io = (RubyIO)obj;
        try {
            OpenFile openFile = io.getOpenFile();
            if (openFile.getMainStreamSafe().feof()) {
                return context.runtime.getNil();
            }
            openFile.getMainStreamSafe().waitUntilReady();
        } catch (BadDescriptorException e) {
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     * @see #hookIntoRuntime(Ruby)
     */
    public void hookIntoRuntimeWithStreams(final Ruby runtime) {
        hookIntoRuntime(runtime);

        RubyIO in = new RubyIO(runtime, getInputStream());
        runtime.getGlobalVariables().set("$stdin", in);

        RubyIO out = new RubyIO(runtime, getOutputStream());
        runtime.getGlobalVariables().set("$stdout", out);
        runtime.getGlobalVariables().set("$stderr", out);
    }
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     * @return the value printed out on  stdout and stderr by
     **/
    protected String eval(String script) throws Exception {
        ByteArrayOutputStream result = new ByteArrayOutputStream();
        out = new PrintStream(result);
        RubyIO lStream = new RubyIO(runtime, out);
        lStream.getOpenFileChecked().setSync(true);
        runtime.getGlobalVariables().set("$stdout", lStream);
        runtime.getGlobalVariables().set("$>", lStream);
        runtime.getGlobalVariables().set("$stderr", lStream);
       
        runtime.runNormally(
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