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first working REST-ish endpoint, very simple one
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| <?xml version="1.0"?> | ||
| <!-- | ||
| ~ Copyright (c) 2010-2019 Evolveum and contributors | ||
| ~ | ||
| ~ This work is dual-licensed under the Apache License 2.0 | ||
| ~ and European Union Public License. See LICENSE file for details. | ||
| --> | ||
|
|
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| <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> | ||
| <modelVersion>4.0.0</modelVersion> | ||
|
|
||
| <parent> | ||
| <artifactId>model</artifactId> | ||
| <groupId>com.evolveum.midpoint</groupId> | ||
| <version>4.1-SNAPSHOT</version> | ||
| </parent> | ||
|
|
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| <name>midPoint REST-ish service implementation</name> | ||
| <groupId>com.evolveum.midpoint.model</groupId> | ||
| <artifactId>rest-impl</artifactId> | ||
|
|
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| <dependencies> | ||
| <dependency> | ||
| <groupId>org.springframework.boot</groupId> | ||
| <artifactId>spring-boot-starter-web</artifactId> | ||
| </dependency> | ||
| </dependencies> | ||
| </project> |
118 changes: 118 additions & 0 deletions
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model/rest-impl/src/main/java/com/evolveum/midpoint/rest/impl/RestApiIndex.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,118 @@ | ||
| package com.evolveum.midpoint.rest.impl; | ||
|
|
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| import java.util.Arrays; | ||
| import java.util.Collection; | ||
| import java.util.Comparator; | ||
| import java.util.List; | ||
| import java.util.Set; | ||
| import java.util.stream.Collectors; | ||
| import java.util.stream.Stream; | ||
|
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| import org.springframework.http.MediaType; | ||
| import org.springframework.web.bind.annotation.GetMapping; | ||
| import org.springframework.web.bind.annotation.RequestMapping; | ||
| import org.springframework.web.bind.annotation.RequestMethod; | ||
| import org.springframework.web.bind.annotation.RestController; | ||
| import org.springframework.web.method.HandlerMethod; | ||
| import org.springframework.web.servlet.mvc.condition.MediaTypeExpression; | ||
| import org.springframework.web.servlet.mvc.method.RequestMappingInfo; | ||
| import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping; | ||
|
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| /** | ||
| * Support for simple index page with REST API endpoints (HTML and JSON). | ||
| */ | ||
| @RestController | ||
| @RequestMapping("/rest2") | ||
| public class RestApiIndex { | ||
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| private final RequestMappingHandlerMapping handlerMapping; | ||
| private final List<OperationInfo> uiRestInfo; | ||
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| public RestApiIndex(RequestMappingHandlerMapping handlerMapping) { | ||
| this.handlerMapping = handlerMapping; | ||
| uiRestInfo = operationInfoStream() | ||
| .filter(info -> info.handler.getBeanType() | ||
| .getPackageName().startsWith("com.evolveum.midpoint.rest.")) | ||
| .collect(Collectors.toList()); | ||
| } | ||
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| @GetMapping() | ||
| public List<OperationJson> index() { | ||
| return uiRestInfo.stream() | ||
| .flatMap(OperationInfo::operationJsonStream) | ||
| .sorted(Comparator.comparing(json -> json.urlPattern)) | ||
| .collect(Collectors.toList()); | ||
| } | ||
|
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| @GetMapping(value = "/x", produces = "text/html") | ||
| public String indexHtml() { | ||
| StringBuilder html = new StringBuilder("<!DOCTYPE html><html>" | ||
| + "<head><meta charset='UTF-8'><title>REST-ish API</title>" | ||
| + "<style>body {font-family: sans-serif;} form,li,p,h1 {margin: 0.4em;}" | ||
| + " input,select {margin: 0 1em 0 0;} input {width:5em;}" | ||
| + " #result {padding: 1em; border: solid thin red;}</style>" | ||
| + "</head>" | ||
| + "<body><h1>REST operations</h1>This is NOT Swagger! Click at your own risk!<ul>"); | ||
| for (OperationJson operationJson : index()) { | ||
| html.append("<li>") | ||
| .append(Arrays.toString(operationJson.methods)) | ||
| .append(" <a href=\"") | ||
| .append(operationJson.urlPattern) | ||
| .append("\">") | ||
| .append(operationJson.urlPattern) | ||
| .append("</a></li>"); | ||
| } | ||
| return html.append("</ul></body>") | ||
| .toString(); | ||
| } | ||
|
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| private Stream<OperationInfo> operationInfoStream() { | ||
| return handlerMapping.getHandlerMethods().entrySet().stream() | ||
| .map(entry -> new OperationInfo(entry.getKey(), entry.getValue())); | ||
| } | ||
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| private static class OperationInfo { | ||
| final RequestMappingInfo mappingInfo; | ||
| final HandlerMethod handler; | ||
|
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| OperationInfo(RequestMappingInfo mappingInfo, HandlerMethod handler) { | ||
| this.mappingInfo = mappingInfo; | ||
| this.handler = handler; | ||
| } | ||
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| Stream<OperationJson> operationJsonStream() { | ||
| return mappingInfo.getPatternsCondition().getPatterns().stream() | ||
| .map(pattern -> new OperationJson(pattern, | ||
| mappingInfo.getMethodsCondition().getMethods(), | ||
| mappingInfo.getConsumesCondition().getConsumableMediaTypes(), | ||
| mappingInfo.getProducesCondition().getExpressions())); | ||
| } | ||
| } | ||
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| @SuppressWarnings("WeakerAccess") | ||
| public static class OperationJson { | ||
| public final String urlPattern; | ||
| public final String[] methods; | ||
| public final String[] accepts; | ||
| public final String[] produces; | ||
|
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| public OperationJson(String urlPattern, | ||
| Set<RequestMethod> methods, | ||
| Set<MediaType> accepts, | ||
| Set<MediaTypeExpression> produces) | ||
| { | ||
| this.urlPattern = urlPattern; | ||
| this.methods = toStringArray(methods); | ||
| this.accepts = toStringArray(accepts); | ||
| this.produces = toStringArray(produces); | ||
| } | ||
|
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| private String[] toStringArray(Collection<?> collection) { | ||
| return collection.isEmpty() | ||
| ? null | ||
| : collection.stream() | ||
| .map(Object::toString) | ||
| .toArray(String[]::new); | ||
| } | ||
| } | ||
| } |