Java Code Examples for io.undertow.servlet.api.InstanceHandle#getInstance()

public Object decodeText(final Class<?> targetType, final String message) throws DecodeException {
    if (EncodingFactory.isPrimitiveOrBoxed(targetType)) {
        return decodePrimitive(targetType, message);
    }
    List<InstanceHandle<? extends Decoder>> decoders = textDecoders.get(targetType);
    if (decoders != null) {
        for (InstanceHandle<? extends Decoder> decoderHandle : decoders) {
            Decoder decoder = decoderHandle.getInstance();
            if (decoder instanceof Decoder.Text) {
                if (((Decoder.Text) decoder).willDecode(message)) {
                    return ((Decoder.Text) decoder).decode(message);
                }
            } else {
                try {
                    return ((Decoder.TextStream) decoder).decode(new StringReader(message));
                } catch (IOException e) {
                    throw new DecodeException(message, "Could not decode string", e);
                }
            }
        }
    }
    throw new DecodeException(message, "Could not decode string");
}
 

public Object decodeBinary(final Class<?> targetType, final byte[] bytes) throws DecodeException {
    List<InstanceHandle<? extends Decoder>> decoders = binaryDecoders.get(targetType);
    if (decoders != null) {
        for (InstanceHandle<? extends Decoder> decoderHandle : decoders) {
            Decoder decoder = decoderHandle.getInstance();
            if (decoder instanceof Decoder.Binary) {
                if (((Decoder.Binary) decoder).willDecode(ByteBuffer.wrap(bytes))) {
                    return ((Decoder.Binary) decoder).decode(ByteBuffer.wrap(bytes));
                }
            } else {
                try {
                    return ((Decoder.BinaryStream) decoder).decode(new ByteArrayInputStream(bytes));
                } catch (IOException e) {
                    throw new DecodeException(ByteBuffer.wrap(bytes), "Could not decode binary", e);
                }
            }
        }
    }
    throw new DecodeException(ByteBuffer.wrap(bytes), "Could not decode binary");
}
 

@Override
public InstanceHandle<? extends Servlet> getServlet() throws ServletException {
    final InstanceHandle<? extends Servlet> instanceHandle;
    final Servlet instance;
    //TODO: pooling
    try {
        instanceHandle = factory.createInstance();
    } catch (Exception e) {
        throw UndertowServletMessages.MESSAGES.couldNotInstantiateComponent(servletInfo.getName(), e);
    }
    instance = instanceHandle.getInstance();
    new LifecyleInterceptorInvocation(servletContext.getDeployment().getDeploymentInfo().getLifecycleInterceptors(), servletInfo, instance, new ServletConfigImpl(servletInfo, servletContext)).proceed();

    return new InstanceHandle<Servlet>() {
        @Override
        public Servlet getInstance() {
            return instance;
        }

        @Override
        public void release() {
            try {
                instance.destroy();
            } catch (Throwable t) {
                UndertowServletLogger.REQUEST_LOGGER.failedToDestroy(instance, t);
            }
            instanceHandle.release();
        }
    };

}
 

public String encodeText(final Object o) throws EncodeException {
    List<InstanceHandle<? extends Encoder>> encoders = textEncoders.get(o.getClass());
    if(encoders == null) {
        for(Map.Entry<Class<?>, List<InstanceHandle<? extends Encoder>>> entry : textEncoders.entrySet()) {
            if(entry.getKey().isAssignableFrom(o.getClass())) {
                encoders = entry.getValue();
                break;
            }
        }
    }
    if (encoders != null) {
        for (InstanceHandle<? extends Encoder> decoderHandle : encoders) {
            Encoder decoder = decoderHandle.getInstance();
            if (decoder instanceof Encoder.Text) {
                return ((Encoder.Text) decoder).encode(o);
            } else {
                try {
                    StringWriter out = new StringWriter();
                    ((Encoder.TextStream) decoder).encode(o, out);
                    return out.toString();
                } catch (IOException e) {
                    throw new EncodeException(o, "Could not encode text", e);
                }
            }
        }
    }

    if (EncodingFactory.isPrimitiveOrBoxed(o.getClass())) {
        return o.toString();
    }
    throw new EncodeException(o, "Could not encode text");
}
 

public ByteBuffer encodeBinary(final Object o) throws EncodeException {
    List<InstanceHandle<? extends Encoder>> encoders = binaryEncoders.get(o.getClass());

    if(encoders == null) {
        for(Map.Entry<Class<?>, List<InstanceHandle<? extends Encoder>>> entry : binaryEncoders.entrySet()) {
            if(entry.getKey().isAssignableFrom(o.getClass())) {
                encoders = entry.getValue();
                break;
            }
        }
    }
    if (encoders != null) {
        for (InstanceHandle<? extends Encoder> decoderHandle : encoders) {
            Encoder decoder = decoderHandle.getInstance();
            if (decoder instanceof Encoder.Binary) {
                return ((Encoder.Binary) decoder).encode(o);
            } else {
                try {
                    ByteArrayOutputStream out = new ByteArrayOutputStream();
                    ((Encoder.BinaryStream) decoder).encode(o, out);
                    return ByteBuffer.wrap(out.toByteArray());
                } catch (IOException e) {
                    throw new EncodeException(o, "Could not encode binary", e);
                }
            }
        }
    }
    throw new EncodeException(o, "Could not encode binary");
}
 

@Override
public <T> T getEndpointInstance(final Class<T> endpointClass) throws InstantiationException {
    InstanceFactory<?> factory = currentInstanceFactory.get();
    if(factory != null) {
        InstanceHandle<?> instance = factory.createInstance();
        currentInstanceHandle.set(instance);
        return (T) instance.getInstance();
    }
    try {
        return endpointClass.newInstance();
    } catch (IllegalAccessException e) {
        throw new RuntimeException(e);
    }
}
 

@Override
public InstanceHandle<? extends Servlet> getServlet() throws ServletException {
    final InstanceHandle<? extends Servlet> instanceHandle;
    final Servlet instance;
    //TODO: pooling
    try {
        instanceHandle = factory.createInstance();
    } catch (Exception e) {
        throw UndertowServletMessages.MESSAGES.couldNotInstantiateComponent(servletInfo.getName(), e);
    }
    instance = instanceHandle.getInstance();
    new LifecyleInterceptorInvocation(servletContext.getDeployment().getDeploymentInfo().getLifecycleInterceptors(), servletInfo, instance, new ServletConfigImpl(servletInfo, servletContext)).proceed();

    return new InstanceHandle<Servlet>() {
        @Override
        public Servlet getInstance() {
            return instance;
        }

        @Override
        public void release() {
            try {
                instance.destroy();
            } catch (Throwable t) {
                UndertowServletLogger.REQUEST_LOGGER.failedToDestroy(instance, t);
            }
            instanceHandle.release();
        }
    };

}