javax.ws.rs.core.Response.ResponseBuilder#tag()源码实例Demo

private ResponseBuilder getBuilder(final String jsonEntity, final Date lastMod, final boolean includeEtag, final Request request) {
	String etagSource = DominoUtils.md5(jsonEntity);
	EntityTag etag = new EntityTag(etagSource);
	ResponseBuilder berg = null;
	if (request != null) {
		berg = request.evaluatePreconditions(etag);
	}
	if (berg == null) {
		berg = Response.ok();
		if (includeEtag) {
			berg.tag(etag);
		}
		berg.type(MediaType.APPLICATION_JSON_TYPE);
		berg.entity(jsonEntity);
		berg.lastModified(lastMod);
		CacheControl cc = new CacheControl();
		cc.setMustRevalidate(true);
		cc.setPrivate(true);
		cc.setMaxAge(86400);
		cc.setNoTransform(true);
		berg.cacheControl(cc);
	}
	return berg;
}
 

private ResponseBuilder getBuilder(final String jsonEntity, final Date lastMod, final boolean includeEtag, final Request request) {
	String etagSource = DominoUtils.md5(jsonEntity);
	EntityTag etag = new EntityTag(etagSource);
	ResponseBuilder berg = null;
	if (request != null) {
		berg = request.evaluatePreconditions(etag);
	}
	if (berg == null) {
		berg = Response.ok();
		if (includeEtag) {
			berg.tag(etag);
		}
		berg.type(MediaType.APPLICATION_JSON_TYPE);
		berg.entity(jsonEntity);
		berg.lastModified(lastMod);
		CacheControl cc = new CacheControl();
		cc.setMustRevalidate(true);
		cc.setPrivate(true);
		cc.setMaxAge(86400);
		cc.setNoTransform(true);
		berg.cacheControl(cc);
	}
	return berg;
}
 

private ResponseBuilder getBuilder(final String jsonEntity, final Date lastMod, final boolean includeEtag, final Request request) {
	String etagSource = DominoUtils.md5(jsonEntity);
	EntityTag etag = new EntityTag(etagSource);
	ResponseBuilder berg = null;
	if (request != null) {
		berg = request.evaluatePreconditions(etag);
	}
	if (berg == null) {
		// System.out.println("TEMP DEBUG creating a new builder");
		berg = Response.ok();
		if (includeEtag) {
			berg.tag(etag);
		}
		berg.type(MediaType.APPLICATION_JSON_TYPE);
		berg.entity(jsonEntity);
		berg.lastModified(lastMod);
		CacheControl cc = new CacheControl();
		cc.setMustRevalidate(true);
		cc.setPrivate(true);
		cc.setMaxAge(86400);
		cc.setNoTransform(true);
		berg.cacheControl(cc);
	}
	return berg;
}
 

private ResponseBuilder getLdpRs(final ResponseBuilder builder, final RDFSyntax syntax,
        final IRI profile) {
    final Prefer prefer = getRequest().getPrefer();

    // Check for a cache hit
    final EntityTag etag = generateEtag(getResource(), weakEtags);
    checkCache(getResource().getModified(), etag);

    builder.tag(etag);
    addAllowHeaders(builder);

    if (prefer != null) {
        builder.header(PREFERENCE_APPLIED,
                PREFER_RETURN + "=" + prefer.getPreference().orElse(PREFER_REPRESENTATION));
        if (prefer.getPreference().filter(PREFER_MINIMAL::equals).isPresent()) {
            return builder.status(NO_CONTENT);
        }
    }

    // Short circuit HEAD requests
    if (HEAD.equals(getRequest().getMethod())) {
        return builder;
    }

    // Stream the rdf content
    return builder.entity((StreamingOutput) out -> {
        try (final Stream<Quad> stream = getResource().stream(getPreferredGraphs(prefer))) {
            getServices().getIOService().write(stream.map(Quad::asTriple)
                            .map(unskolemizeTriples(getServices().getResourceService(), getBaseUrl())), out,
                    syntax, getIdentifier(), getJsonLdProfile(profile, syntax));
        }
    });
}
 

private ResponseBuilder getBuilder(final String jsonEntity, final Date lastMod, final boolean includeEtag, final Request request) {
	String etagSource = DominoUtils.md5(jsonEntity);
	EntityTag etag = new EntityTag(etagSource);
	ResponseBuilder berg = null;
	if (request != null) {
		berg = request.evaluatePreconditions(etag);
	}

	if (berg == null) {
		berg = Response.ok();
		if (includeEtag) {
			berg.tag(etag);
		}
		berg.type(MediaType.APPLICATION_JSON_TYPE).entity(jsonEntity);
		berg.lastModified(lastMod);
		CacheControl cc = new CacheControl();
		cc.setMustRevalidate(true);
		cc.setPrivate(true);
		cc.setMaxAge(86400);
		cc.setNoTransform(true);
		berg.cacheControl(cc);
	} else {
		// System.out.println("TEMP DEBUG got a hit for etag " +
		// etagSource);
	}
	return berg;
}
 

private ResponseBuilder getBuilder(String jsonEntity, Date lastMod, boolean includeEtag, Request request) {
	String etagSource = DominoUtils.md5(jsonEntity);
	EntityTag etag = new EntityTag(etagSource);
	ResponseBuilder berg = null;
	if (request != null) {
		berg = request.evaluatePreconditions(etag);
	}
	if (berg == null) {
		// System.out.println("TEMP DEBUG creating a new builder");
		berg = Response.ok();
		if (includeEtag) {
			berg.tag(etag);
		}
		berg.type(MediaType.APPLICATION_JSON_TYPE);
		berg.entity(jsonEntity);
		if (lastMod != null) {
			berg.lastModified(lastMod);
		}
		CacheControl cc = new CacheControl();
		cc.setMustRevalidate(true);
		cc.setPrivate(true);
		cc.setMaxAge(86400);
		cc.setNoTransform(true);
		berg.cacheControl(cc);
	}
	return berg;
}