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GenerateYamlMojo.java
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GenerateYamlMojo.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.FileOutputStream;
import io.apicurio.datamodels.models.openapi.OpenApiDocument;
import org.apache.camel.CamelContext;
import org.apache.camel.generator.openapi.DestinationGenerator;
import org.apache.camel.generator.openapi.RestDslGenerator;
import org.apache.camel.generator.openapi.RestDslYamlGenerator;
import org.apache.camel.impl.DefaultCamelContext;
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-yaml", inheritByDefault = false, defaultPhase = LifecyclePhase.GENERATE_SOURCES,
requiresDependencyResolution = ResolutionScope.COMPILE, threadSafe = true)
public class GenerateYamlMojo extends AbstractGenerateMojo {
@Parameter(defaultValue = "camel-rest.yaml", required = true)
private String fileName;
@Parameter(defaultValue = "${project.build.directory}/generated-sources/restdsl-openapi", required = true)
private String outputDirectory;
@Override
public void execute() throws MojoExecutionException {
execute(false);
}
protected void execute(boolean dto) throws MojoExecutionException {
if (skip) {
return;
}
OpenApiDocument 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 RestDslYamlGenerator generator = RestDslGenerator.toYaml(openapi);
if (ObjectHelper.isNotEmpty(basePath)) {
generator.withBasePath(basePath);
}
if (ObjectHelper.isNotEmpty(filterOperation)) {
generator.withOperationFilter(filterOperation);
}
if (dto) {
if (modelPackage != null) {
generator.withDtoPackageName(modelPackage);
}
}
if (ObjectHelper.isNotEmpty(destinationGenerator)) {
final DestinationGenerator destinationGeneratorObject = createDestinationGenerator();
generator.withDestinationGenerator(destinationGeneratorObject);
} else if (ObjectHelper.isNotEmpty(destinationToSyntax)) {
generator.withDestinationToSyntax(destinationToSyntax);
}
if (restConfiguration) {
generator.withRestComponent(findAppropriateComponent());
if (clientRequestValidation) {
generator.withClientRequestValidation();
}
if (ObjectHelper.isNotEmpty(apiContextPath)) {
generator.withApiContextPath(apiContextPath);
}
}
try {
final CamelContext camel = new DefaultCamelContext();
final String yaml = generator.generate(camel);
// ensure output folder is created
new File(outputDirectory).mkdirs();
final File out = new File(outputDirectory, fileName);
try (FileOutputStream fos = new FileOutputStream(out)) {
fos.write(yaml.getBytes());
}
} catch (final Exception e) {
throw new MojoExecutionException(
"Unable to generate REST DSL OpenApi sources from specification: " + specificationUri, e);
}
}
}