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GenerateMojo.java
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GenerateMojo.java
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.camel.maven.generator.openapi;
import java.io.File;
import java.io.IOException;
import java.nio.file.Path;
import io.apicurio.datamodels.openapi.models.OasDocument;
import org.apache.camel.generator.openapi.DestinationGenerator;
import org.apache.camel.generator.openapi.RestDslGenerator;
import org.apache.camel.generator.openapi.RestDslSourceCodeGenerator;
import org.apache.camel.generator.openapi.SpringBootProjectSourceCodeGenerator;
import org.apache.camel.util.ObjectHelper;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugins.annotations.LifecyclePhase;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.plugins.annotations.ResolutionScope;
@Mojo(name = "generate", inheritByDefault = false, defaultPhase = LifecyclePhase.GENERATE_SOURCES,
requiresDependencyResolution = ResolutionScope.COMPILE, threadSafe = true)
public class GenerateMojo extends AbstractGenerateMojo {
@Parameter
private String className;
@Parameter
private String indent;
@Parameter(defaultValue = "${project.build.directory}/generated-sources/restdsl-openapi", required = true)
private String outputDirectory;
@Parameter
private String packageName;
@Parameter(defaultValue = "/**", required = true)
private String[] requestMappingValues;
@Override
public void execute() throws MojoExecutionException {
if (skip) {
return;
}
OasDocument openapi;
try {
openapi = readOpenApiDoc(specificationUri);
} catch (Exception e1) {
throw new MojoExecutionException("can't load open api doc from " + specificationUri, e1);
}
if (openapi == null) {
throw new MojoExecutionException(
"Unable to generate REST DSL OpenApi sources from specification: "
+ specificationUri
+ ", make sure that the specification is available at the given URI");
}
final RestDslSourceCodeGenerator<Path> generator = RestDslGenerator.toPath(openapi);
if (ObjectHelper.isNotEmpty(filterOperation)) {
generator.withOperationFilter(filterOperation);
}
if (ObjectHelper.isNotEmpty(className)) {
generator.withClassName(className);
}
if (indent != null) {
generator.withIndent(indent.replace("\\t", "\t"));
}
if (ObjectHelper.isNotEmpty(packageName)) {
generator.withPackageName(packageName);
}
if (ObjectHelper.isNotEmpty(destinationGenerator)) {
final DestinationGenerator destinationGeneratorObject = createDestinationGenerator();
generator.withDestinationGenerator(destinationGeneratorObject);
} else if (ObjectHelper.isNotEmpty(destinationToSyntax)) {
generator.withDestinationToSyntax(destinationToSyntax);
}
final Path outputPath = new File(outputDirectory).toPath();
if (restConfiguration) {
String comp = findAppropriateComponent();
generator.withRestComponent(comp);
if (clientRequestValidation) {
generator.withClientRequestValidation();
}
if (ObjectHelper.isNotEmpty(apiContextPath)) {
generator.withApiContextPath(apiContextPath);
}
// if its a spring boot project and we use servlet then we should generate additional source code
if (detectSpringBootFromClasspath() && "servlet".equals(comp)) {
try {
if (ObjectHelper.isEmpty(packageName)) {
// if not explicit package name then try to use package where the spring boot application is located
String pName = detectSpringBootMainPackage();
if (pName != null) {
packageName = pName;
generator.withPackageName(packageName);
getLog().info(
"Detected @SpringBootApplication, and will be using its package name: " + packageName);
}
}
getLog().info("Generating Camel Rest Controller source with package name " + packageName
+ " in source directory: " + outputPath);
SpringBootProjectSourceCodeGenerator.generator().withPackageName(packageName)
.withMappingValues(requestMappingValues).generate(outputPath);
// the Camel Rest Controller allows to use root as context-path
generator.withRestContextPath("/");
} catch (final IOException e) {
throw new MojoExecutionException(
"Unable to generate Camel Rest Controller source due " + e.getMessage(), e);
}
}
}
if (detectSpringBootFromClasspath()) {
generator.asSpringComponent();
generator.asSpringBootProject();
}
try {
getLog().info("Generating Camel DSL source in directory: " + outputPath);
generator.generate(outputPath);
} catch (final IOException e) {
throw new MojoExecutionException(
"Unable to generate REST DSL OpenApi sources from specification: " + specificationUri, e);
}
}
}