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nfilotto pushed a commit to branch CAMEL-19130/upgrade-snakeyaml-2-3.21.x
in repository https://gitbox.apache.org/repos/asf/camel.git

commit 7b49e0fc38987ec42ade67e6e679839f8747ba53
Author: Nicolas Filotto <essob...@users.noreply.github.com>
AuthorDate: Mon Mar 20 15:49:24 2023 +0100

    CAMEL-19130: Upgrade to snakeyaml 2.x
    
    In order to get the latest improvements and bug fixes, we need to upgrade 
to snakeyaml 2.
    
    * Updated the version of snakeyaml
    * Upgared `camel-snakeyaml` and `camel-restdsl-openapi-plugin`
    * Fixed some violations raised
---
 camel-dependencies/pom.xml                         |  2 +-
 .../component/snakeyaml/SnakeYAMLDataFormat.java   | 15 +++++-----
 .../custom/CustomClassLoaderConstructor.java       |  9 +++---
 .../component/snakeyaml/SnakeYAMLDoSTest.java      | 33 ++++++++++++----------
 parent/pom.xml                                     |  2 +-
 .../generator/openapi/AbstractGenerateMojo.java    | 15 ++++++----
 6 files changed, 42 insertions(+), 34 deletions(-)

diff --git a/camel-dependencies/pom.xml b/camel-dependencies/pom.xml
index 2f731add2c4..5a5515c60c4 100644
--- a/camel-dependencies/pom.xml
+++ b/camel-dependencies/pom.xml
@@ -507,7 +507,7 @@
     <smallrye-health-version>3.3.0</smallrye-health-version>
     <smallrye-metrics-version>3.0.5</smallrye-metrics-version>
     <snakeyaml-engine-version>2.3</snakeyaml-engine-version>
-    <snakeyaml-version>1.33</snakeyaml-version>
+    <snakeyaml-version>2.0</snakeyaml-version>
     <snmp4j-version>2.6.3_1</snmp4j-version>
     <solr-version>8.11.2</solr-version>
     <solr-version-range>[8,9)</solr-version-range>
diff --git 
a/components/camel-snakeyaml/src/main/java/org/apache/camel/component/snakeyaml/SnakeYAMLDataFormat.java
 
b/components/camel-snakeyaml/src/main/java/org/apache/camel/component/snakeyaml/SnakeYAMLDataFormat.java
index 19cedf019f9..7a0b9d56a36 100644
--- 
a/components/camel-snakeyaml/src/main/java/org/apache/camel/component/snakeyaml/SnakeYAMLDataFormat.java
+++ 
b/components/camel-snakeyaml/src/main/java/org/apache/camel/component/snakeyaml/SnakeYAMLDataFormat.java
@@ -47,6 +47,7 @@ import org.yaml.snakeyaml.Yaml;
 import org.yaml.snakeyaml.constructor.BaseConstructor;
 import org.yaml.snakeyaml.constructor.Constructor;
 import org.yaml.snakeyaml.constructor.SafeConstructor;
+import org.yaml.snakeyaml.inspector.TrustedTagInspector;
 import org.yaml.snakeyaml.nodes.Tag;
 import org.yaml.snakeyaml.representer.Representer;
 import org.yaml.snakeyaml.resolver.Resolver;
@@ -142,6 +143,7 @@ public final class SnakeYAMLDataFormat extends 
ServiceSupport implements DataFor
 
         if (yaml == null) {
             LoaderOptions options = new LoaderOptions();
+            options.setTagInspector(new TrustedTagInspector());
             options.setAllowRecursiveKeys(allowRecursiveKeys);
             options.setMaxAliasesForCollections(maxAliasesForCollections);
 
@@ -389,6 +391,7 @@ public final class SnakeYAMLDataFormat extends 
ServiceSupport implements DataFor
         }
 
         LoaderOptions options = new LoaderOptions();
+        options.setTagInspector(new TrustedTagInspector());
         options.setAllowRecursiveKeys(allowRecursiveKeys);
         options.setMaxAliasesForCollections(maxAliasesForCollections);
 
@@ -406,9 +409,9 @@ public final class SnakeYAMLDataFormat extends 
ServiceSupport implements DataFor
             yamlConstructor = new SafeConstructor(options);
         }
 
-        if (typeDescriptions != null && yamlConstructor instanceof 
Constructor) {
+        if (typeDescriptions != null && yamlConstructor instanceof Constructor 
con) {
             for (TypeDescription typeDescription : typeDescriptions) {
-                ((Constructor) 
yamlConstructor).addTypeDescription(typeDescription);
+                con.addTypeDescription(typeDescription);
             }
         }
 
@@ -416,7 +419,7 @@ public final class SnakeYAMLDataFormat extends 
ServiceSupport implements DataFor
     }
 
     private Representer defaultRepresenter(CamelContext context) {
-        Representer yamlRepresenter = new Representer();
+        Representer yamlRepresenter = new Representer(new DumperOptions());
 
         if (classTags != null) {
             for (Map.Entry<Class<?>, Tag> entry : classTags.entrySet()) {
@@ -443,7 +446,7 @@ public final class SnakeYAMLDataFormat extends 
ServiceSupport implements DataFor
     // ***************************
 
     private static Constructor typeFilterConstructor(final 
Collection<TypeFilter> typeFilters, LoaderOptions options) {
-        Constructor constructor = new Constructor(options) {
+        return new Constructor(options) {
             @Override
             protected Class<?> getClassForName(String name) throws 
ClassNotFoundException {
                 if (typeFilters.stream().noneMatch(f -> f.test(name))) {
@@ -453,13 +456,12 @@ public final class SnakeYAMLDataFormat extends 
ServiceSupport implements DataFor
                 return super.getClassForName(name);
             }
         };
-        return constructor;
     }
 
     private static Constructor typeFilterConstructor(
             final ClassLoader classLoader, final Collection<TypeFilter> 
typeFilters,
             LoaderOptions options) {
-        CustomClassLoaderConstructor constructor = new 
CustomClassLoaderConstructor(classLoader, options) {
+        return new CustomClassLoaderConstructor(classLoader, options) {
             @Override
             protected Class<?> getClassForName(String name) throws 
ClassNotFoundException {
                 if (typeFilters.stream().noneMatch(f -> f.test(name))) {
@@ -469,6 +471,5 @@ public final class SnakeYAMLDataFormat extends 
ServiceSupport implements DataFor
                 return super.getClassForName(name);
             }
         };
-        return constructor;
     }
 }
diff --git 
a/components/camel-snakeyaml/src/main/java/org/apache/camel/component/snakeyaml/custom/CustomClassLoaderConstructor.java
 
b/components/camel-snakeyaml/src/main/java/org/apache/camel/component/snakeyaml/custom/CustomClassLoaderConstructor.java
index 6ab8ceb3554..6ce32af73c5 100644
--- 
a/components/camel-snakeyaml/src/main/java/org/apache/camel/component/snakeyaml/custom/CustomClassLoaderConstructor.java
+++ 
b/components/camel-snakeyaml/src/main/java/org/apache/camel/component/snakeyaml/custom/CustomClassLoaderConstructor.java
@@ -16,6 +16,8 @@
  */
 package org.apache.camel.component.snakeyaml.custom;
 
+import java.util.Objects;
+
 import org.yaml.snakeyaml.LoaderOptions;
 import org.yaml.snakeyaml.constructor.Constructor;
 
@@ -24,14 +26,11 @@ import org.yaml.snakeyaml.constructor.Constructor;
  */
 public class CustomClassLoaderConstructor extends Constructor {
 
-    private ClassLoader loader = this.getClass().getClassLoader();
+    private final ClassLoader loader;
 
     public CustomClassLoaderConstructor(ClassLoader theLoader, LoaderOptions 
options) {
         super(Object.class, options);
-        if (theLoader == null) {
-            throw new NullPointerException("Loader must be provided.");
-        }
-        this.loader = theLoader;
+        this.loader = Objects.requireNonNull(theLoader, "Loader must be 
provided.");
     }
 
     @Override
diff --git 
a/components/camel-snakeyaml/src/test/java/org/apache/camel/component/snakeyaml/SnakeYAMLDoSTest.java
 
b/components/camel-snakeyaml/src/test/java/org/apache/camel/component/snakeyaml/SnakeYAMLDoSTest.java
index 54320d9450a..386f16cb51b 100644
--- 
a/components/camel-snakeyaml/src/test/java/org/apache/camel/component/snakeyaml/SnakeYAMLDoSTest.java
+++ 
b/components/camel-snakeyaml/src/test/java/org/apache/camel/component/snakeyaml/SnakeYAMLDoSTest.java
@@ -26,6 +26,7 @@ import org.apache.camel.builder.RouteBuilder;
 import org.apache.camel.component.mock.MockEndpoint;
 import org.apache.camel.test.junit5.CamelTestSupport;
 import org.junit.jupiter.api.Test;
+import org.yaml.snakeyaml.LoaderOptions;
 import org.yaml.snakeyaml.Yaml;
 import org.yaml.snakeyaml.constructor.SafeConstructor;
 
@@ -42,14 +43,15 @@ public class SnakeYAMLDoSTest extends CamelTestSupport {
         assertNotNull(mock);
         mock.expectedMessageCount(1);
 
-        InputStream is = 
this.getClass().getClassLoader().getResourceAsStream("data.yaml");
+        try (InputStream is = 
this.getClass().getClassLoader().getResourceAsStream("data.yaml")) {
 
-        ProducerTemplate template = context.createProducerTemplate();
-        String result = template.requestBody("direct:back", is, String.class);
-        assertNotNull(result);
-        assertEquals("{name=Colm, location=Dublin}", result.trim());
+            ProducerTemplate template = context.createProducerTemplate();
+            String result = template.requestBody("direct:back", is, 
String.class);
+            assertNotNull(result);
+            assertEquals("{name=Colm, location=Dublin}", result.trim());
 
-        mock.assertIsSatisfied();
+            mock.assertIsSatisfied();
+        }
     }
 
     @Test
@@ -59,18 +61,19 @@ public class SnakeYAMLDoSTest extends CamelTestSupport {
         assertNotNull(mock);
         mock.expectedMessageCount(0);
 
-        InputStream is = 
this.getClass().getClassLoader().getResourceAsStream("data-dos.yaml");
+        try (InputStream is = 
this.getClass().getClassLoader().getResourceAsStream("data-dos.yaml")) {
 
-        ProducerTemplate template = context.createProducerTemplate();
+            ProducerTemplate template = context.createProducerTemplate();
 
-        Exception ex = assertThrows(CamelExecutionException.class,
-                () -> template.requestBody("direct:back", is, String.class),
-                "Failure expected on an alias expansion attack");
+            Exception ex = assertThrows(CamelExecutionException.class,
+                    () -> template.requestBody("direct:back", is, 
String.class),
+                    "Failure expected on an alias expansion attack");
 
-        Throwable cause = ex.getCause();
-        assertEquals("Number of aliases for non-scalar nodes exceeds the 
specified max=50", cause.getMessage());
+            Throwable cause = ex.getCause();
+            assertEquals("Number of aliases for non-scalar nodes exceeds the 
specified max=50", cause.getMessage());
 
-        mock.assertIsSatisfied();
+            mock.assertIsSatisfied();
+        }
     }
 
     @Test
@@ -139,7 +142,7 @@ public class SnakeYAMLDoSTest extends CamelTestSupport {
         f.put(f, "a");
         f.put("g", root);
 
-        Yaml yaml = new Yaml(new SafeConstructor());
+        Yaml yaml = new Yaml(new SafeConstructor(new LoaderOptions()));
         return yaml.dump(f);
     }
 
diff --git a/parent/pom.xml b/parent/pom.xml
index a2a32a2caf3..c0897639246 100644
--- a/parent/pom.xml
+++ b/parent/pom.xml
@@ -493,7 +493,7 @@
         <smallrye-metrics-version>3.0.5</smallrye-metrics-version>
         <smallrye-health-version>3.3.0</smallrye-health-version>
         
<smallrye-fault-tolerance-version>5.6.0</smallrye-fault-tolerance-version>
-        <snakeyaml-version>1.33</snakeyaml-version>
+        <snakeyaml-version>2.0</snakeyaml-version>
         <snakeyaml-engine-version>2.3</snakeyaml-engine-version>
         <snmp4j-version>2.6.3_1</snmp4j-version>
         <!-- solr version aligned with lucene -->
diff --git 
a/tooling/maven/camel-restdsl-openapi-plugin/src/main/java/org/apache/camel/maven/generator/openapi/AbstractGenerateMojo.java
 
b/tooling/maven/camel-restdsl-openapi-plugin/src/main/java/org/apache/camel/maven/generator/openapi/AbstractGenerateMojo.java
index 545b44847e2..4498f07a207 100644
--- 
a/tooling/maven/camel-restdsl-openapi-plugin/src/main/java/org/apache/camel/maven/generator/openapi/AbstractGenerateMojo.java
+++ 
b/tooling/maven/camel-restdsl-openapi-plugin/src/main/java/org/apache/camel/maven/generator/openapi/AbstractGenerateMojo.java
@@ -21,6 +21,7 @@ import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.lang.reflect.InvocationTargetException;
 import java.net.MalformedURLException;
 import java.net.URI;
 import java.net.URISyntaxException;
@@ -56,8 +57,10 @@ import org.apache.maven.plugins.annotations.Component;
 import org.apache.maven.plugins.annotations.Parameter;
 import org.apache.maven.project.MavenProject;
 import org.twdata.maven.mojoexecutor.MojoExecutor;
+import org.yaml.snakeyaml.LoaderOptions;
 import org.yaml.snakeyaml.Yaml;
 import org.yaml.snakeyaml.constructor.SafeConstructor;
+import org.yaml.snakeyaml.inspector.TrustedTagInspector;
 
 import static org.apache.commons.lang3.StringUtils.isNotEmpty;
 import static org.twdata.maven.mojoexecutor.MojoExecutor.artifactId;
@@ -172,8 +175,8 @@ abstract class AbstractGenerateMojo extends AbstractMojo {
 
         final DestinationGenerator destinationGeneratorObject;
         try {
-            destinationGeneratorObject = 
destinationGeneratorClass.newInstance();
-        } catch (InstantiationException | IllegalAccessException e) {
+            destinationGeneratorObject = 
destinationGeneratorClass.getDeclaredConstructor().newInstance();
+        } catch (InstantiationException | IllegalAccessException | 
NoSuchMethodException | InvocationTargetException e) {
             throw new MojoExecutionException(
                     "The given destinationGenerator class (" + 
destinationGenerator
                                              + ") cannot be instantiated, make 
sure that it is declared as public and that all dependencies are present on the 
COMPILE classpath scope of the project",
@@ -226,7 +229,7 @@ abstract class AbstractGenerateMojo extends AbstractMojo {
                         version(swaggerCodegenMavenPluginVersion)),
                 goal("generate"),
                 configuration(
-                        elements.toArray(new 
MojoExecutor.Element[elements.size()])),
+                        elements.toArray(new MojoExecutor.Element[0])),
                 executionEnvironment(
                         mavenProject,
                         mavenSession,
@@ -243,7 +246,7 @@ abstract class AbstractGenerateMojo extends AbstractMojo {
         for (final Dependency dep : mavenProject.getDependencies()) {
             if ("org.apache.camel".equals(dep.getGroupId()) || 
"org.apache.camel.springboot".equals(dep.getGroupId())) {
                 final String aid = dep.getArtifactId();
-                final Optional<String> comp = 
Arrays.asList(DEFAULT_REST_CONSUMER_COMPONENTS).stream()
+                final Optional<String> comp = 
Arrays.stream(DEFAULT_REST_CONSUMER_COMPONENTS)
                         .filter(c -> aid.startsWith("camel-" + c)).findFirst();
                 if (comp.isPresent()) {
                     return comp.get();
@@ -340,7 +343,9 @@ abstract class AbstractGenerateMojo extends AbstractMojo {
 
         String suffix = ".yaml";
         if (specificationUri.regionMatches(true, specificationUri.length() - 
suffix.length(), suffix, 0, suffix.length())) {
-            Yaml loader = new Yaml(new SafeConstructor());
+            LoaderOptions options = new LoaderOptions();
+            options.setTagInspector(new TrustedTagInspector());
+            Yaml loader = new Yaml(new SafeConstructor(options));
             Map map = loader.load(is);
             JsonNode node = mapper.convertValue(map, JsonNode.class);
             return (OasDocument) Library.readDocument(node);

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