fix #716, the conflicts of SlotChainBuilder SPI
fangjian0423
6 years ago
parent
0b85739544
commit
5358b2c1a8
@ -0,0 +1,161 @@
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/*
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* Copyright (C) 2018 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.cloud.alibaba.sentinel.gateway;
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import java.io.IOException;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.Map;
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import java.util.Map.Entry;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
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import org.springframework.cloud.alibaba.sentinel.datasource.converter.JsonConverter;
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import org.springframework.cloud.alibaba.sentinel.datasource.converter.XmlConverter;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import com.alibaba.csp.sentinel.adapter.gateway.common.api.ApiDefinition;
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import com.alibaba.csp.sentinel.adapter.gateway.common.api.ApiPathPredicateItem;
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import com.alibaba.csp.sentinel.adapter.gateway.common.api.ApiPredicateGroupItem;
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import com.alibaba.csp.sentinel.adapter.gateway.common.api.ApiPredicateItem;
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import com.alibaba.csp.sentinel.adapter.gateway.common.rule.GatewayFlowRule;
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import com.fasterxml.jackson.core.JsonParser;
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import com.fasterxml.jackson.core.Version;
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import com.fasterxml.jackson.databind.DeserializationContext;
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import com.fasterxml.jackson.databind.DeserializationFeature;
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import com.fasterxml.jackson.databind.JsonNode;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
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import com.fasterxml.jackson.databind.module.SimpleModule;
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import com.fasterxml.jackson.databind.node.ObjectNode;
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import com.fasterxml.jackson.dataformat.xml.XmlMapper;
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/**
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* @author <a href="mailto:fangjian0423@gmail.com">Jim</a>
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*/
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@Configuration
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@ConditionalOnProperty(name = "spring.cloud.sentinel.enabled", matchIfMissing = true)
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public class SentinelGatewayAutoConfiguration {
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@ConditionalOnClass(ObjectMapper.class)
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@Configuration
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protected static class SentinelConverterConfiguration {
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static class ApiPredicateItemDeserializer
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extends StdDeserializer<ApiPredicateItem> {
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private Map<String, Class<? extends ApiPredicateItem>> registry = new HashMap<String, Class<? extends ApiPredicateItem>>();
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ApiPredicateItemDeserializer() {
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super(ApiPredicateItem.class);
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}
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void registerApiPredicateItem(String uniqueAttribute,
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Class<? extends ApiPredicateItem> apiPredicateItemClass) {
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registry.put(uniqueAttribute, apiPredicateItemClass);
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}
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@Override
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public ApiPredicateItem deserialize(JsonParser jp,
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DeserializationContext ctxt) throws IOException {
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ObjectMapper mapper = (ObjectMapper) jp.getCodec();
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ObjectNode root = mapper.readTree(jp);
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Class<? extends ApiPredicateItem> apiPredicateItemClass = null;
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Iterator<Entry<String, JsonNode>> elementsIterator = root.fields();
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while (elementsIterator.hasNext()) {
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Entry<String, JsonNode> element = elementsIterator.next();
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String name = element.getKey();
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if (registry.containsKey(name)) {
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apiPredicateItemClass = registry.get(name);
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break;
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}
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}
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if (apiPredicateItemClass == null) {
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return null;
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}
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return mapper.readValue(root.toString(), apiPredicateItemClass);
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}
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}
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@Configuration
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protected static class SentinelJsonConfiguration {
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private ObjectMapper objectMapper = new ObjectMapper();
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public SentinelJsonConfiguration() {
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objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES,
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false);
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ApiPredicateItemDeserializer deserializer = new ApiPredicateItemDeserializer();
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deserializer.registerApiPredicateItem("pattern",
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ApiPathPredicateItem.class);
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deserializer.registerApiPredicateItem("items",
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ApiPredicateGroupItem.class);
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SimpleModule module = new SimpleModule(
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"PolymorphicApiPredicateItemDeserializerModule",
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new Version(1, 0, 0, null));
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module.addDeserializer(ApiPredicateItem.class, deserializer);
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objectMapper.registerModule(module);
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}
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@Bean("sentinel-json-gw-flow-converter")
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public JsonConverter jsonGatewayFlowConverter() {
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return new JsonConverter(objectMapper, GatewayFlowRule.class);
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}
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@Bean("sentinel-json-gw-api-group-converter")
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public JsonConverter jsonApiConverter() {
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return new JsonConverter(objectMapper, ApiDefinition.class);
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}
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}
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@ConditionalOnClass(XmlMapper.class)
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@Configuration
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protected static class SentinelXmlConfiguration {
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private XmlMapper xmlMapper = new XmlMapper();
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public SentinelXmlConfiguration() {
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xmlMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES,
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false);
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ApiPredicateItemDeserializer deserializer = new ApiPredicateItemDeserializer();
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deserializer.registerApiPredicateItem("pattern",
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ApiPathPredicateItem.class);
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deserializer.registerApiPredicateItem("items",
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ApiPredicateGroupItem.class);
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SimpleModule module = new SimpleModule(
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"PolymorphicGatewayDeserializerModule",
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new Version(1, 0, 0, null));
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module.addDeserializer(ApiPredicateItem.class, deserializer);
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xmlMapper.registerModule(module);
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}
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@Bean("sentinel-xml-gw-flow-converter")
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public XmlConverter xmlGatewayFlowConverter() {
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return new XmlConverter(xmlMapper, GatewayFlowRule.class);
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}
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@Bean("sentinel-xml-gw-api-group-converter")
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public XmlConverter xmlApiConverter() {
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return new XmlConverter(xmlMapper, ApiDefinition.class);
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}
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}
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}
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}
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@ -1,3 +1,4 @@
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org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
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org.springframework.cloud.alibaba.sentinel.gateway.zuul.SentinelZuulAutoConfiguration,\
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org.springframework.cloud.alibaba.sentinel.gateway.scg.SentinelSCGAutoConfiguration
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org.springframework.cloud.alibaba.sentinel.gateway.scg.SentinelSCGAutoConfiguration,\
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org.springframework.cloud.alibaba.sentinel.gateway.SentinelGatewayAutoConfiguration
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