com.mercateo.rest.schemagen.spring.JerseyHateoasConfiguration Maven / Gradle / Ivy

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/**
 * Copyright © 2017 Mercateo AG (http://www.mercateo.com)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.mercateo.rest.schemagen.spring;

import java.net.URI;
import java.net.URISyntaxException;

import javax.inject.Named;
import javax.servlet.http.HttpServletRequest;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Scope;
import org.springframework.context.annotation.ScopedProxyMode;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import com.mercateo.common.rest.schemagen.JsonHyperSchemaCreator;
import com.mercateo.common.rest.schemagen.JsonSchemaGenerator;
import com.mercateo.common.rest.schemagen.RestJsonSchemaGenerator;
import com.mercateo.common.rest.schemagen.link.LinkFactoryContext;
import com.mercateo.common.rest.schemagen.link.LinkFactoryContextDefault;
import com.mercateo.common.rest.schemagen.link.LinkMetaFactory;
import com.mercateo.common.rest.schemagen.link.helper.BaseUriCreator;
import com.mercateo.common.rest.schemagen.link.helper.BaseUriCreatorDefault;
import com.mercateo.common.rest.schemagen.link.helper.HttpRequestHeaders;
import com.mercateo.common.rest.schemagen.plugin.FieldCheckerForSchema;
import com.mercateo.common.rest.schemagen.plugin.MethodCheckerForLink;
import com.mercateo.common.rest.schemagen.types.HyperSchemaCreator;
import com.mercateo.common.rest.schemagen.types.ListResponseBuilderCreator;
import com.mercateo.common.rest.schemagen.types.ObjectWithSchemaCreator;
import com.mercateo.common.rest.schemagen.types.PaginatedResponseBuilderCreator;

@Configuration
public class JerseyHateoasConfiguration {

    @Bean
    JsonSchemaGenerator jsonSchemaGenerator() {
        return new RestJsonSchemaGenerator();
    }

    @Bean
    LinkMetaFactory linkMetaFactory(JsonSchemaGenerator jsonSchemaGenerator, LinkFactoryContext linkFactoryContext)
            throws URISyntaxException {
        return LinkMetaFactory.create(jsonSchemaGenerator, linkFactoryContext);
    }

    @Bean
    JsonHyperSchemaCreator jsonHyperSchemaCreator() {
        return new JsonHyperSchemaCreator();
    }

    @Bean
    ObjectWithSchemaCreator objectWithSchemaCreator() {
        return new ObjectWithSchemaCreator();
    }

    @Bean
    PaginatedResponseBuilderCreator paginatedResponseBuilderCreator() {
        return new PaginatedResponseBuilderCreator();
    }

    @Bean
    ListResponseBuilderCreator listResponseBuilderCreator() {
        return new ListResponseBuilderCreator();
    }

    @Bean
    HyperSchemaCreator hyperSchemaCreator(ObjectWithSchemaCreator objectWithSchemaCreator,
            JsonHyperSchemaCreator jsonHyperSchemaCreator) {
        return new HyperSchemaCreator(objectWithSchemaCreator, jsonHyperSchemaCreator);
    }

    @Bean
    HttpRequestMapper httpRequestMapper() {
        return new HttpRequestMapper();
    }

    @Bean
    @Scope(value = "request")
    HttpServletRequest httpServletRequest() {
        return ((ServletRequestAttributes) RequestContextHolder.currentRequestAttributes()).getRequest();
    }

    @Bean
    @Scope(value = "request", proxyMode = ScopedProxyMode.TARGET_CLASS)
    LinkFactoryContext linkFactoryContext(HttpServletRequest httpServletRequest, BaseUriCreator baseUriCreator,
            FieldCheckerForSchema fieldCheckerForSchema, MethodCheckerForLink methodCheckerForLink,
            HttpRequestMapper httpRequestMapper, HttpRequestHeaders httpRequestHeaders) throws URISyntaxException {
        URI defaultBaseUri = httpRequestMapper.getDefaultBaseUri(httpServletRequest);
        URI baseUri = baseUriCreator.createBaseUri(defaultBaseUri, httpRequestHeaders);

        return new LinkFactoryContextDefault(baseUri, methodCheckerForLink, fieldCheckerForSchema);
    }

    @Bean
    @Scope(value = "request", proxyMode = ScopedProxyMode.TARGET_CLASS)
    HttpRequestHeaders httpRequestHeaders(HttpServletRequest httpServletRequest, HttpRequestMapper httpRequestMapper) {
        return new HttpRequestHeaders(httpRequestMapper.requestHeaders(httpServletRequest));
    }

    @Bean
    BaseUriCreator baseUriCreator() {
        return new BaseUriCreatorDefault();
    }
}