Package org.apache.commons.jexl2.parser

Examples of org.apache.commons.jexl2.parser.Parser$LookaheadSuccess

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    public void testGenerateParseOneByteAtATime() throws Exception
    {
        PingGenerator generator = new PingGenerator(new HeaderGenerator());

        final List<PingFrame> frames = new ArrayList<>();
        Parser parser = new Parser(byteBufferPool, new Parser.Listener.Adapter()
        {
            @Override
            public boolean onPing(PingFrame frame)
            {
                frames.add(frame);
                return false;
            }
        }, 4096, 8192);

        byte[] payload = new byte[8];
        new Random().nextBytes(payload);

        ByteBufferPool.Lease lease = new ByteBufferPool.Lease(byteBufferPool);
        generator.generatePing(lease, payload, true);

        for (ByteBuffer buffer : lease.getByteBuffers())
        {
            while (buffer.hasRemaining())
            {
                parser.parse(ByteBuffer.wrap(new byte[]{buffer.get()}));
            }
        }

        Assert.assertEquals(1, frames.size());
        PingFrame frame = frames.get(0);
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    private List<SettingsFrame> testGenerateParse(Map<Integer, Integer> settings)
    {
        SettingsGenerator generator = new SettingsGenerator(new HeaderGenerator());

        final List<SettingsFrame> frames = new ArrayList<>();
        Parser parser = new Parser(byteBufferPool, new Parser.Listener.Adapter()
        {
            @Override
            public boolean onSettings(SettingsFrame frame)
            {
                frames.add(frame);
                return false;
            }
        }, 4096, 8192);

        // Iterate a few times to be sure generator and parser are properly reset.
        for (int i = 0; i < 2; ++i)
        {
            ByteBufferPool.Lease lease = new ByteBufferPool.Lease(byteBufferPool);
            generator.generateSettings(lease, settings, true);

            frames.clear();
            for (ByteBuffer buffer : lease.getByteBuffers())
            {
                while (buffer.hasRemaining())
                {
                    parser.parse(buffer);
                }
            }
        }

        return frames;
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    public void testGenerateParseInvalidSettings() throws Exception
    {
        SettingsGenerator generator = new SettingsGenerator(new HeaderGenerator());

        final AtomicInteger errorRef = new AtomicInteger();
        Parser parser = new Parser(byteBufferPool, new Parser.Listener.Adapter()
        {
            @Override
            public void onConnectionFailure(int error, String reason)
            {
                errorRef.set(error);
            }
        }, 4096, 8192);

        Map<Integer, Integer> settings1 = new HashMap<>();
        settings1.put(13, 17);
        ByteBufferPool.Lease lease = new ByteBufferPool.Lease(byteBufferPool);
        generator.generateSettings(lease, settings1, true);
        // Modify the length of the frame to make it invalid
        ByteBuffer bytes = lease.getByteBuffers().get(0);
        bytes.putShort(1, (short)(bytes.getShort(1) - 1));

        for (ByteBuffer buffer : lease.getByteBuffers())
        {
            while (buffer.hasRemaining())
            {
                parser.parse(ByteBuffer.wrap(new byte[]{buffer.get()}));
            }
        }

        Assert.assertEquals(ErrorCodes.FRAME_SIZE_ERROR, errorRef.get());
    }
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    public void testGenerateParseOneByteAtATime() throws Exception
    {
        SettingsGenerator generator = new SettingsGenerator(new HeaderGenerator());

        final List<SettingsFrame> frames = new ArrayList<>();
        Parser parser = new Parser(byteBufferPool, new Parser.Listener.Adapter()
        {
            @Override
            public boolean onSettings(SettingsFrame frame)
            {
                frames.add(frame);
                return false;
            }
        }, 4096, 8192);

        Map<Integer, Integer> settings1 = new HashMap<>();
        int key = 13;
        Integer value = 17;
        settings1.put(key, value);

        ByteBufferPool.Lease lease = new ByteBufferPool.Lease(byteBufferPool);
        generator.generateSettings(lease, settings1, true);

        for (ByteBuffer buffer : lease.getByteBuffers())
        {
            while (buffer.hasRemaining())
            {
                parser.parse(ByteBuffer.wrap(new byte[]{buffer.get()}));
            }
        }

        Assert.assertEquals(1, frames.size());
        SettingsFrame frame = frames.get(0);
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    private List<DataFrame> testGenerateParse(ByteBuffer data)
    {
        DataGenerator generator = new DataGenerator(new HeaderGenerator());

        final List<DataFrame> frames = new ArrayList<>();
        Parser parser = new Parser(byteBufferPool, new Parser.Listener.Adapter()
        {
            @Override
            public boolean onData(DataFrame frame)
            {
                frames.add(frame);
                return false;
            }
        }, 4096, 8192);

        // Iterate a few times to be sure generator and parser are properly reset.
        for (int i = 0; i < 2; ++i)
        {
            ByteBufferPool.Lease lease = new ByteBufferPool.Lease(byteBufferPool);
            generator.generateData(lease, 13, data.slice(), true, data.remaining());

            frames.clear();
            for (ByteBuffer buffer : lease.getByteBuffers())
            {
                parser.parse(buffer);
            }
        }

        return frames;
    }
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    public void testGenerateParseOneByteAtATime()
    {
        DataGenerator generator = new DataGenerator(new HeaderGenerator());

        final List<DataFrame> frames = new ArrayList<>();
        Parser parser = new Parser(byteBufferPool, new Parser.Listener.Adapter()
        {
            @Override
            public boolean onData(DataFrame frame)
            {
                frames.add(frame);
                return false;
            }
        }, 4096, 8192);

        ByteBufferPool.Lease lease = new ByteBufferPool.Lease(byteBufferPool);
        ByteBuffer data = ByteBuffer.wrap(largeContent);
        generator.generateData(lease, 13, data.slice(), true, data.remaining());

        for (ByteBuffer buffer : lease.getByteBuffers())
        {
            while (buffer.hasRemaining())
            {
                parser.parse(ByteBuffer.wrap(new byte[]{buffer.get()}));
            }
        }

        Assert.assertEquals(largeContent.length, frames.size());
    }
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    public void testGenerateParse() throws Exception
    {
        ResetGenerator generator = new ResetGenerator(new HeaderGenerator());

        final List<ResetFrame> frames = new ArrayList<>();
        Parser parser = new Parser(byteBufferPool, new Parser.Listener.Adapter()
        {
            @Override
            public boolean onReset(ResetFrame frame)
            {
                frames.add(frame);
                return false;
            }
        }, 4096, 8192);

        int streamId = 13;
        int error = 17;

        // Iterate a few times to be sure generator and parser are properly reset.
        for (int i = 0; i < 2; ++i)
        {
            ByteBufferPool.Lease lease = new ByteBufferPool.Lease(byteBufferPool);
            generator.generateReset(lease, streamId, error);

            frames.clear();
            for (ByteBuffer buffer : lease.getByteBuffers())
            {
                while (buffer.hasRemaining())
                {
                    parser.parse(buffer);
                }
            }
        }

        Assert.assertEquals(1, frames.size());
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    public void testGenerateParseOneByteAtATime() throws Exception
    {
        ResetGenerator generator = new ResetGenerator(new HeaderGenerator());

        final List<ResetFrame> frames = new ArrayList<>();
        Parser parser = new Parser(byteBufferPool, new Parser.Listener.Adapter()
        {
            @Override
            public boolean onReset(ResetFrame frame)
            {
                frames.add(frame);
                return false;
            }
        }, 4096, 8192);

        int streamId = 13;
        int error = 17;

        ByteBufferPool.Lease lease = new ByteBufferPool.Lease(byteBufferPool);
        generator.generateReset(lease, streamId, error);

        for (ByteBuffer buffer : lease.getByteBuffers())
        {
            while (buffer.hasRemaining())
            {
                parser.parse(ByteBuffer.wrap(new byte[]{buffer.get()}));
            }
        }

        Assert.assertEquals(1, frames.size());
        ResetFrame frame = frames.get(0);
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    public void testGenerateParse() throws Exception
    {
        PushPromiseGenerator generator = new PushPromiseGenerator(new HeaderGenerator(), new HpackEncoder());

        final List<PushPromiseFrame> frames = new ArrayList<>();
        Parser parser = new Parser(byteBufferPool, new Parser.Listener.Adapter()
        {
            @Override
            public boolean onPushPromise(PushPromiseFrame frame)
            {
                frames.add(frame);
                return false;
            }
        }, 4096, 8192);

        int streamId = 13;
        int promisedStreamId = 17;
        HttpFields fields = new HttpFields();
        fields.put("Accept", "text/html");
        fields.put("User-Agent", "Jetty");
        MetaData.Request metaData = new MetaData.Request("GET", HttpScheme.HTTP, new HostPortHttpField("localhost:8080"), "/path", HttpVersion.HTTP_2, fields);

        // Iterate a few times to be sure generator and parser are properly reset.
        for (int i = 0; i < 2; ++i)
        {
            ByteBufferPool.Lease lease = new ByteBufferPool.Lease(byteBufferPool);
            generator.generatePushPromise(lease, streamId, promisedStreamId, metaData);

            frames.clear();
            for (ByteBuffer buffer : lease.getByteBuffers())
            {
                while (buffer.hasRemaining())
                {
                    parser.parse(buffer);
                }
            }

            Assert.assertEquals(1, frames.size());
            PushPromiseFrame frame = frames.get(0);
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    public void testGenerateParseOneByteAtATime() throws Exception
    {
        PushPromiseGenerator generator = new PushPromiseGenerator(new HeaderGenerator(), new HpackEncoder());

        final List<PushPromiseFrame> frames = new ArrayList<>();
        Parser parser = new Parser(byteBufferPool, new Parser.Listener.Adapter()
        {
            @Override
            public boolean onPushPromise(PushPromiseFrame frame)
            {
                frames.add(frame);
                return false;
            }
        }, 4096, 8192);

        int streamId = 13;
        int promisedStreamId = 17;
        HttpFields fields = new HttpFields();
        fields.put("Accept", "text/html");
        fields.put("User-Agent", "Jetty");
        MetaData.Request metaData = new MetaData.Request("GET", HttpScheme.HTTP, new HostPortHttpField("localhost:8080"), "/path", HttpVersion.HTTP_2, fields);

        ByteBufferPool.Lease lease = new ByteBufferPool.Lease(byteBufferPool);
        generator.generatePushPromise(lease, streamId, promisedStreamId, metaData);

        for (ByteBuffer buffer : lease.getByteBuffers())
        {
            while (buffer.hasRemaining())
            {
                parser.parse(ByteBuffer.wrap(new byte[]{buffer.get()}));
            }
        }

        Assert.assertEquals(1, frames.size());
        PushPromiseFrame frame = frames.get(0);
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