Examples of javax.ws.rs.ext.MessageBodyReader.readFrom()

javax.ws.rs.ext.MessageBodyReader.readFrom()
Read a type from the {@link InputStream}. @param type the type that is to be read from the entity stream. @param genericType the type of instance to be produced. E.g. if themessage body is to be converted into a method parameter, this will be the formal type of the method parameter as returned by {@code Method.getGenericParameterTypes}. @param annotations an array of the annotations on the declaration of theartifact that will be initialized with the produced instance. E.g. if the message body is to be converted into a method parameter, this will be the annotations on that parameter returned by {@code Method.getParameterAnnotations}. @param mediaType the media type of the HTTP entity. @param httpHeaders the read-only HTTP headers associated with HTTP entity. @param entityStream the {@link InputStream} of the HTTP entity. Thecaller is responsible for ensuring that the input stream ends when the entity has been consumed. The implementation should not close the input stream. @return the type that was read from the stream. @throws java.io.IOException if an IO error arises @throws javax.ws.rs.WebApplicationException if a specific HTTP error response needs to be produced. Only effective if thrown prior to the response being committed.

                                         type,
                                         m);
            if (provider != null) {
                try {
                    HttpHeaders headers = new HttpHeadersImpl(m);
                    return provider.readFrom(
                              targetTypeClass, parameterType, parameterAnnotations, contentType,
                              headers.getRequestHeaders(), is);
                } catch (IOException e) {
                    String errorMessage = "Error deserializing input stream into target class "
                                          + targetTypeClass.getSimpleName()

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            ProviderFactory.getInstance().createMessageBodyReader(
                cls, type, anns, contentType, outMessage);
        }
        if (mbr != null) {
            try {
                return mbr.readFrom(cls, type, anns, contentType, 
                       new MetadataMap<String, Object>(r.getMetadata(), true, true), inputStream);
            } catch (Exception ex) {
                throw new WebApplicationException(ex);
            }

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            ProviderFactory.getInstance().createMessageBodyReader(
                cls, type, anns, contentType, outMessage);
        }
        if (mbr != null) {
            try {
                return mbr.readFrom(cls, type, anns, contentType, 
                       new MetadataMap<String, Object>(r.getMetadata(), true, true), inputStream);
            } catch (Exception ex) {
                throw new WebApplicationException(ex);
            }

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                                         type,
                                         m);
            if (provider != null) {
                try {
                    HttpHeaders headers = new HttpHeadersImpl(m);
                    return provider.readFrom(
                              targetTypeClass, parameterType, parameterAnnotations, contentType,
                              headers.getRequestHeaders(), is);
                } catch (IOException e) {
                    String errorMessage = "Error deserializing input stream into target class "
                                          + targetTypeClass.getSimpleName()

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            provider = ProviderFactory.getInstance()
                .createMessageBodyReader(targetTypeClass, type);
            // TODO : make the exceptions
            if (provider != null) {
                try {
                    return provider.readFrom(targetTypeClass, contentType, null, is);
                } catch (IOException e) {
                    e.printStackTrace();
                    throw new RuntimeException("Error deserializing input stream into target class "
                                               + targetTypeClass.getSimpleName() 
                                               + ", content type : " + contentType);

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            ProviderFactory.getInstance().createMessageBodyReader(
                cls, type, anns, contentType, outMessage);
        }
        if (mbr != null) {
            try {
                return mbr.readFrom(cls, type, anns, contentType, 
                       new MetadataMap<String, Object>(r.getMetadata(), true, true), inputStream);
            } catch (Exception ex) {
                throw new WebApplicationException(ex);
            }

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            ProviderFactory.getInstance().createMessageBodyReader(
                cls, type, anns, contentType, inMessage);
        }
        if (mbr != null) {
            try {
                return mbr.readFrom(cls, type, anns, contentType, 
                       new MetadataMap<String, Object>(r.getMetadata(), true, true), conn.getInputStream());
            } catch (Exception ex) {
                throw new WebApplicationException();
            }

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                                         type,
                                         m);
            if (provider != null) {
                try {
                    HttpHeaders headers = new HttpHeadersImpl(m);
                    return provider.readFrom(
                              targetTypeClass, parameterType, parameterAnnotations, contentType,
                              headers.getRequestHeaders(), is);
                } catch (IOException e) {
                    String errorMessage = "Error deserializing input stream into target class "
                                          + targetTypeClass.getSimpleName()

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                                         type,
                                         m);
            if (provider != null) {
                try {
                    HttpHeaders headers = new HttpHeadersImpl(m);
                    return provider.readFrom(
                              targetTypeClass, parameterType, parameterAnnotations, contentType,
                              headers.getRequestHeaders(), is);
                } catch (IOException e) {
                    throw e;
                } catch (WebApplicationException ex) {

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        MessageBodyReader mbr = ProviderFactory.getInstance(inMessage).createMessageBodyReader(
            cls, type, anns, contentType, inMessage);
        if (mbr != null) {
            try {
                return mbr.readFrom(cls, type, anns, contentType, 
                       new MetadataMap<String, Object>(r.getMetadata(), true, true), inputStream);
            } catch (Exception ex) {
                reportMessageHandlerProblem("MSG_READER_PROBLEM", cls, contentType, ex, r);
            }
        } else if (cls == Response.class) {

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