Examples of javax.ws.rs.ext.ReaderInterceptor

javax.ws.rs.ext.ReaderInterceptor
Interface for message body reader interceptors that wrap around calls to {@link javax.ws.rs.ext.MessageBodyReader#readFrom}.
Providers implementing {@code ReaderInterceptor} contract must be either programmaticallyregistered in a JAX-RS runtime or must be annotated with {@link javax.ws.rs.ext.Provider @Provider} annotation to be automatically discoveredby the JAX-RS runtime during a provider scanning phase. Message body interceptor instances may also be discovered and bound {@link javax.ws.rs.container.DynamicFeature dynamically} to particular resource methods.
@author Santiago Pericas-Geertsen @author Bill Burke @author Marek Potociar @see MessageBodyReader @since 2.0

    @Override
    public Object proceed() throws IOException {
        if (readers == null || readers.isEmpty()) {
            return null;
        }
        ReaderInterceptor next = readers.remove(0);
        return next.aroundReadFrom(this);
    }

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                                                   MediaType mediaType, 
                                                   Message m) throws IOException, WebApplicationException {
        
        // Verbose but avoids an extra context instantiation for the typical path
        if (readers.size() > 1) {
            ReaderInterceptor first = readers.remove(0);
            ReaderInterceptorContext context = new ReaderInterceptorContextImpl(targetTypeClass, 
                                                                            parameterType, 
                                                                            parameterAnnotations, 
                                                                            mediaType,
                                                                            is,
                                                                            m,
                                                                            readers);
            
            return first.aroundReadFrom(context);
        } else {
            MessageBodyReader<?> provider = ((ReaderInterceptorMBR)readers.get(0)).getMBR();
            @SuppressWarnings("rawtypes")
            Class cls = (Class)targetTypeClass;
            return provider.readFrom(

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                                                      parameterType,
                                                      parameterAnnotations,
                                                      mediaType,
                                                      m);
        if (mr != null) {
            ReaderInterceptor mbrReader = new ReaderInterceptorMBR(mr, m.getExchange().getInMessage());
            
            int size = readerInterceptors.size();
            List<ReaderInterceptor> interceptors = null;
            if (size > 0) {
                interceptors = new ArrayList<ReaderInterceptor>(size + 1);

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                                                      parameterType,
                                                      parameterAnnotations,
                                                      mediaType,
                                                      m);
        if (mr != null) {
            ReaderInterceptor mbrReader = new ReaderInterceptorMBR(mr, m.getExchange().getInMessage());
            
            int size = readerInterceptors.size();
            List<ReaderInterceptor> interceptors = null;
            if (size > 0) {
                interceptors = new ArrayList<ReaderInterceptor>(size + 1);

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                                                   MediaType mediaType, 
                                                   Message m) throws IOException, WebApplicationException {
        
        // Verbose but avoids an extra context instantiation for the typical path
        if (readers.size() > 1) {
            ReaderInterceptor first = readers.remove(0);
            ReaderInterceptorContext context = new ReaderInterceptorContextImpl(targetTypeClass, 
                                                                            parameterType, 
                                                                            parameterAnnotations, 
                                                                            is,
                                                                            m,
                                                                            readers);
            
            return first.aroundReadFrom(context);
        } else {
            MessageBodyReader<?> provider = ((ReaderInterceptorMBR)readers.get(0)).getMBR();
            @SuppressWarnings("rawtypes")
            Class cls = (Class)targetTypeClass;
            return provider.readFrom(

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    @SuppressWarnings("unchecked")
    public Object proceed() throws IOException {
        if (!interceptors.hasNext()) {
            throw new ProcessingException(LocalizationMessages.ERROR_INTERCEPTOR_READER_PROCEED());
        }
        final ReaderInterceptor interceptor = interceptors.next();
        traceBefore(interceptor, MsgTraceEvent.RI_BEFORE);
        try {
            return interceptor.aroundReadFrom(this);
        } finally {
            processedCount++;
            traceAfter(interceptor, MsgTraceEvent.RI_AFTER);
        }
    }

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        @Override
        public boolean configure(final FeatureContext context) {
            final String property = context.getConfiguration().getProperty("foo") != null ?
                    (String) context.getConfiguration().getProperty("foo") : "baz";


            context.register(new ReaderInterceptor() {
                @Override
                public Object aroundReadFrom(final ReaderInterceptorContext context) throws IOException, WebApplicationException {
                    context.setInputStream(new ByteArrayInputStream(property.getBytes()));
                    return context.proceed();
                }

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        return new ResourceConfig(Resource.class, EncodingFilter.class, GZipEncoder.class);
    }


    @Override
    protected void configureClient(final ClientConfig config) {
        config.register(new ReaderInterceptor() {
            @Override
            public Object aroundReadFrom(final ReaderInterceptorContext context) throws IOException, WebApplicationException {
                context.setInputStream(new GZIPInputStream(context.getInputStream()));
                return context.proceed();
            }

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                                                   MediaType mediaType, 
                                                   Message m) throws IOException, WebApplicationException {
        
        // Verbose but avoids an extra context instantiation for the typical path
        if (readers.size() > 1) {
            ReaderInterceptor first = readers.remove(0);
            ReaderInterceptorContext context = new ReaderInterceptorContextImpl(targetTypeClass, 
                                                                            parameterType, 
                                                                            parameterAnnotations, 
                                                                            is,
                                                                            m,
                                                                            readers);
            
            return first.aroundReadFrom(context);
        } else {
            MessageBodyReader<?> provider = ((ReaderInterceptorMBR)readers.get(0)).getMBR();
            @SuppressWarnings("rawtypes")
            Class cls = (Class)targetTypeClass;
            return provider.readFrom(

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                                                      parameterType,
                                                      parameterAnnotations,
                                                      mediaType,
                                                      m);
        if (mr != null) {
            ReaderInterceptor mbrReader = new ReaderInterceptorMBR(mr, m.getExchange().getInMessage());
            
            int size = readerInterceptors.size();
            List<ReaderInterceptor> interceptors = null;
            if (size > 0) {
                interceptors = new ArrayList<ReaderInterceptor>(size + 1);

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