ValidationInflector.java

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package org.glassfish.jersey.tests.e2e.server.validation;

import java.io.IOException;

import javax.ws.rs.container.ContainerRequestContext;

import javax.validation.constraints.NotNull;

import org.glassfish.jersey.message.internal.ReaderWriter;
import org.glassfish.jersey.process.Inflector;

/**
 * @author Michal Gajdos
 */
public class ValidationInflector implements Inflector<ContainerRequestContext, String> {

    @NotNull
    @Override
    public String apply(final ContainerRequestContext requestContext) {
        return get(requestContext);
    }

    @NotNull
    public String get(@NotNull final ContainerRequestContext requestContext) {
        try {
            final String entity = ReaderWriter.readFromAsString(
                    requestContext.getEntityStream(),
                    requestContext.getMediaType());

            return entity.isEmpty() ? null : entity;
        } catch (IOException e) {
            return "error";
        }
    }
}