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rbygraverbygrave
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#88 - Helidon Nima support initial
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15 files changed

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‎http-generator-core/src/main/java/io/avaje/http/generator/core/PathSegments.java‎

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@@ -126,6 +126,10 @@ private String fullPath(String prefix, String suffix) {
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return chunks.fullPath(prefix, suffix);
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}
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public boolean isEmpty() {
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return segments.isEmpty();
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}
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public static class Segment {
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private final String name;

‎http-generator-nima/pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<parent>
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<artifactId>avaje-http-generator-parent</artifactId>
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<groupId>io.avaje</groupId>
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<version>1.18-SNAPSHOT</version>
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</parent>
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<modelVersion>4.0.0</modelVersion>
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<artifactId>avaje-http-nima-generator</artifactId>
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<properties>
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<maven.compiler.source>17</maven.compiler.source>
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<maven.compiler.target>17</maven.compiler.target>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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<dependencies>
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<dependency>
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<groupId>io.avaje</groupId>
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<artifactId>avaje-http-generator-core</artifactId>
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<version>${project.version}</version>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>3.10.1</version>
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<configuration>
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<source>11</source>
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<target>11</target>
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<!-- Turn off annotation processing for building -->
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<compilerArgument>-proc:none</compilerArgument>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</project>

‎http-generator-nima/src/main/java/io/avaje/http/generator/helidon/nima/ControllerMethodWriter.java‎

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package io.avaje.http.generator.helidon.nima;
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import io.avaje.http.api.MediaType;
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import io.avaje.http.generator.core.*;
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import java.util.List;
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/**
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* Write code to register Web route for a given controller method.
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*/
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class ControllerMethodWriter {
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private final MethodReader method;
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private final Append writer;
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private final WebMethod webMethod;
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private final ProcessingContext ctx;
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ControllerMethodWriter(MethodReader method, Append writer, ProcessingContext ctx) {
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this.method = method;
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this.writer = writer;
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this.webMethod = method.getWebMethod();
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this.ctx = ctx;
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}
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void writeRule() {
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final String fullPath = method.getFullPath();
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// final String bodyType = method.getBodyType();
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// if (bodyType != null) {
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// writer.append(" rules.%s(\"%s\", Handler.create(%s.class, this::_%s));", webMethod.name().toLowerCase(), fullPath, bodyType, method.simpleName()).eol();
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// } else if (method.isFormBody()) {
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// writer.append(" rules.%s(\"%s\", Handler.create(%s.class, this::_%s));", webMethod.name().toLowerCase(), fullPath, "FormParams", method.simpleName()).eol();
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// } else {
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writer.append(" rules.%s(\"%s\", this::_%s);", webMethod.name().toLowerCase(), fullPath, method.simpleName()).eol();
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// }
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}
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void writeHandler(boolean requestScoped) {
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writer.append(" private void _%s(ServerRequest req, ServerResponse res", method.simpleName());
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writer.append(") {").eol();
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// if (!method.isVoid()) {
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// writeContextReturn();
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// }
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final String bodyType = method.getBodyType();
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if (bodyType != null) {
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writer.append(" // body - %s %s", bodyType, method.getBodyName()).eol();
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}// else if (method.isFormBody()) {
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// writer.append(", %s %s", "FormParams", "formParams");
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//}
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final PathSegments segments = method.getPathSegments();
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if (!segments.isEmpty()) {
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writer.append(" var pathParams = req.path().pathParameters();").eol();
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}
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List<PathSegments.Segment> matrixSegments = segments.matrixSegments();
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for (PathSegments.Segment matrixSegment : matrixSegments) {
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matrixSegment.writeCreateSegment(writer, ctx.platform());
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}
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final List<MethodParam> params = method.getParams();
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for (MethodParam param : params) {
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param.writeCtxGet(writer, segments);
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}
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writer.append(" ");
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if (!method.isVoid()) {
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writer.append("var result = ");
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//writer.append("res.send(");
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}
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if (method.includeValidate()) {
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for (MethodParam param : params) {
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param.writeValidate(writer);
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}
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}
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if (requestScoped) {
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writer.append("factory.create(req, res).");
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} else {
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writer.append("controller.");
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}
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writer.append(method.simpleName()).append("(");
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for (int i = 0; i < params.size(); i++) {
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if (i > 0) {
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writer.append(", ");
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}
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params.get(i).buildParamName(writer);
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}
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writer.append(");").eol();
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if (!method.isVoid()) {
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writeContextReturn();
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writer.append(" res.send(result);").eol();
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}
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writer.append(" }").eol().eol();
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}
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private void writeContextReturn() {
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final String produces = method.getProduces();
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if (produces == null) {
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// let it be automatically set
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} else if (MediaType.APPLICATION_JSON.equalsIgnoreCase(produces)) {
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writer.append(" res.writerContext().contentType(io.helidon.common.http.MediaType.APPLICATION_JSON);").eol();
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} else if (MediaType.TEXT_HTML.equalsIgnoreCase(produces)) {
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writer.append(" res.writerContext().contentType(io.helidon.common.http.MediaType.TEXT_HTML);").eol();
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} else if (MediaType.TEXT_PLAIN.equalsIgnoreCase(produces)) {
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writer.append(" res.writerContext().contentType(io.helidon.common.http.MediaType.TEXT_PLAIN);").eol();
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} else {
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writer.append( "res.writerContext().contentType(io.helidon.common.http.MediaType.parse(\"%s\"));", produces).eol();
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}
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}
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public void buildApiDocumentation() {
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method.buildApiDoc();
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}
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}

‎http-generator-nima/src/main/java/io/avaje/http/generator/helidon/nima/ControllerWriter.java‎

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package io.avaje.http.generator.helidon.nima;
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import io.avaje.http.generator.core.*;
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import java.io.IOException;
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import java.util.List;
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import java.util.stream.Collectors;
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/**
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* Write Helidon specific web route adapter (a Helidon Service).
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*/
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class ControllerWriter extends BaseControllerWriter {
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private static final String AT_GENERATED = "@Generated(\"avaje-helidon-nima-generator\")";
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ControllerWriter(ControllerReader reader, ProcessingContext ctx) throws IOException {
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super(reader, ctx);
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//reader.addImportType("io.helidon.common.http.FormParams");
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reader.addImportType("io.helidon.nima.webserver.http.HttpRules");
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reader.addImportType("io.helidon.nima.webserver.http.HttpRouting");
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reader.addImportType("io.helidon.nima.webserver.http.ServerRequest");
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reader.addImportType("io.helidon.nima.webserver.http.ServerResponse");
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//reader.addImportType("io.helidon.nima.webserver.Routing");
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//reader.addImportType("java.util.function.Supplier");
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reader.addImportType("io.helidon.nima.webserver.http.HttpService");
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}
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void write() {
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writePackage();
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writeImports();
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writeClassStart();
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writeAddRoutes();
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writeClassEnd();
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}
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private List<ControllerMethodWriter> getWriterMethods() {
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return reader.getMethods().stream()
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.filter(MethodReader::isWebMethod)
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.map(it -> new ControllerMethodWriter(it, writer, ctx))
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.collect(Collectors.toList());
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}
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private void writeAddRoutes() {
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final List<ControllerMethodWriter> methods = getWriterMethods();
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writeRoutes(methods);
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for (ControllerMethodWriter methodWriter : methods) {
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methodWriter.writeHandler(isRequestScoped());
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}
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}
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private void writeRoutes(List<ControllerMethodWriter> methods) {
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writer.append(" @Override").eol();
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writer.append(" public void routing(HttpRules rules) {").eol();
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//writer.append(" var rules = HttpRouting.builder();").eol();
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for (ControllerMethodWriter methodWriter : methods) {
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methodWriter.writeRule();
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if (!reader.isDocHidden()) {
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methodWriter.buildApiDocumentation();
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}
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}
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//writer.append(" return rules.build();").eol().eol();
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writer.append(" }").eol().eol();
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}
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private void writeClassStart() {
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writer.append(AT_GENERATED).eol();
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writer.append("@Component").eol();
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writer.append("public class ").append(shortName).append("$Route implements HttpService {").eol().eol();
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String controllerName = "controller";
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String controllerType = shortName;
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if (isRequestScoped()) {
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controllerName = "factory";
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controllerType += Constants.FACTORY_SUFFIX;
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}
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writer.append(" private final %s %s;", controllerType, controllerName).eol();
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if (reader.isIncludeValidator()) {
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writer.append(" private final Validator validator;").eol();
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}
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writer.eol();
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writer.append(" public %s$Route(%s %s", shortName, controllerType, controllerName);
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if (reader.isIncludeValidator()) {
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writer.append(", Validator validator");
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}
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writer.append(") {").eol();
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writer.append(" this.%s = %s;", controllerName, controllerName).eol();
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if (reader.isIncludeValidator()) {
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writer.append(" this.validator = validator;").eol();
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}
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writer.append(" }").eol().eol();
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}
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}

‎http-generator-nima/src/main/java/io/avaje/http/generator/helidon/nima/NimaPlatformAdapter.java‎

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package io.avaje.http.generator.helidon.nima;
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import io.avaje.http.generator.core.Append;
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import io.avaje.http.generator.core.ControllerReader;
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import io.avaje.http.generator.core.ParamType;
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import io.avaje.http.generator.core.PlatformAdapter;
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import java.util.List;
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class NimaPlatformAdapter implements PlatformAdapter {
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static final String NIMA_REQ = "io.helidon.nima.webserver.http.ServerRequest";
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static final String NIMA_RES = "io.helidon.nima.webserver.http.ServerResponse";
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static final String HELIDON_FORMPARAMS = "io.helidon.common.http.FormParams";
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@Override
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public boolean isContextType(String rawType) {
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return NIMA_REQ.equals(rawType) || NIMA_RES.equals(rawType) || HELIDON_FORMPARAMS.equals(rawType);
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}
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@Override
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public String platformVariable(String rawType) {
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if (NIMA_REQ.equals(rawType)) {
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return "req";
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}
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if (NIMA_RES.equals(rawType)) {
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return "res";
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}
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if (HELIDON_FORMPARAMS.equals(rawType)) {
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return "formParams";
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}
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return "unknownVariable for: "+rawType;
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}
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@Override
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public boolean isBodyMethodParam() {
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return true;
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}
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@Override
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public String bodyAsClass(String shortType) {
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return "body";
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}
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@Override
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public String indent() {
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return " ";
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}
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@Override
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public void controllerRoles(List<String> roles, ControllerReader controller) {
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addRoleImports(roles, controller);
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}
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@Override
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public void methodRoles(List<String> roles, ControllerReader controller) {
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addRoleImports(roles, controller);
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}
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private void addRoleImports(List<String> roles, ControllerReader controller) {
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// nothing here yet
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}
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@Override
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public void writeReadParameter(Append writer, ParamType paramType, String paramName) {
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switch (paramType) {
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case PATHPARAM:
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writer.append("pathParams.first(\"%s\").get()", paramName);
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break;
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case QUERYPARAM:
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writer.append("req.query().first(\"%s\").orElse(null)", paramName);
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break;
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case FORMPARAM:
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writer.append("formParams.first(\"%s\").orElse(null)", paramName);
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break;
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case HEADER:
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writer.append("req.headers().value(Http.Header.create(\"%s\").orElse(null)", paramName);
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break;
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case COOKIE:
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writer.append("req.headers().cookies().first(\"%s\").orElse(null)", paramName);
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break;
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case BODY:
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case BEANPARAM:
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case FORM:
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default:
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writer.append("null // TODO req.%s().param(\"%s\")", paramType.getType(), paramName);
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}
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}
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@Override
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public void writeReadParameter(Append writer, ParamType paramType, String paramName, String paramDefault) {
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switch (paramType) {
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case PATHPARAM:
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writer.append("pathParams.first(\"%s\").orElse(\"%s\")", paramName, paramDefault);
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break;
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case QUERYPARAM:
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writer.append("req.query().first(\"%s\").orElse(\"%s\")", paramName, paramDefault);
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break;
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case FORMPARAM:
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writer.append("formParams.first(\"%s\").orElse(\"%s\")", paramName, paramDefault);
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break;
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case HEADER:
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writer.append("req.headers().value(Http.Header.create(\"%s\").orElse(\"%s\")", paramName, paramDefault);
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break;
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case COOKIE:
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writer.append("req.headers().cookies().first(\"%s\").orElse(\"%s\")", paramName, paramDefault);
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break;
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case BODY:
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case BEANPARAM:
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case FORM:
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default:
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writer.append("null // TODO req.%s().param(\"%s\")", paramType.getType(), paramName);
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}
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}
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}

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