GenericReturnTypeReader.java

package org.jboss.resteasy.test.client.resource;

import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.ext.MessageBodyReader;
import java.io.IOException;
import java.io.InputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;

public class GenericReturnTypeReader implements MessageBodyReader<Object> {
    @Override
    public boolean isReadable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) {
        return true;
    }

    @Override
    public Object readFrom(Class<Object> type, Type genericType, Annotation[] annotations, MediaType mediaType,
                           MultivaluedMap<String, String> httpHeaders, InputStream entityStream)
            throws IOException, WebApplicationException {
        StringBuffer sb = new StringBuffer();
        int c = entityStream.read();
        while (c != -1) {
            sb.append((char) c);
            c = entityStream.read();
        }
        return sb.toString();
    }

}