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yaml-loader: add support for OnException
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...aml-common/src/main/java/org/apache/camel/k/loader/yaml/parser/OnExceptionStepParser.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,173 @@ | ||
| /* | ||
| * 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.k.loader.yaml.parser; | ||
|
|
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| import java.util.List; | ||
|
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| import com.fasterxml.jackson.annotation.JsonAlias; | ||
| import org.apache.camel.k.annotation.yaml.YAMLNodeDefinition; | ||
| import org.apache.camel.k.annotation.yaml.YAMLStepParser; | ||
| import org.apache.camel.k.loader.yaml.model.Step; | ||
| import org.apache.camel.k.loader.yaml.spi.ProcessorStepParser; | ||
| import org.apache.camel.k.loader.yaml.spi.StartStepParser; | ||
| import org.apache.camel.k.loader.yaml.spi.StepParserSupport; | ||
| import org.apache.camel.model.ExpressionSubElementDefinition; | ||
| import org.apache.camel.model.OnExceptionDefinition; | ||
| import org.apache.camel.model.ProcessorDefinition; | ||
| import org.apache.camel.model.RedeliveryPolicyDefinition; | ||
| import org.apache.camel.model.WhenDefinition; | ||
| import org.apache.camel.model.language.ConstantExpression; | ||
| import org.apache.camel.model.language.ExpressionDefinition; | ||
| import org.apache.camel.reifier.OnExceptionReifier; | ||
|
|
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| import static org.apache.camel.util.ObjectHelper.ifNotEmpty; | ||
|
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| @YAMLStepParser("on-exception") | ||
| public class OnExceptionStepParser implements StartStepParser, ProcessorStepParser { | ||
| @SuppressWarnings("unchecked") | ||
| @Override | ||
| public ProcessorDefinition<?> toStartProcessor(Context context) { | ||
| final Definition definition = context.node(Definition.class); | ||
| final OnExceptionDefinition onException = context.builder().onException(); | ||
|
|
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| if (definition.exceptions == null) { | ||
| definition.exceptions = List.of(Exception.class.getName()); | ||
| } | ||
|
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| onException.setExceptions(definition.exceptions); | ||
| onException.setRouteScoped(false); | ||
|
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| mapToOnException(context, definition, onException); | ||
|
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| return StepParserSupport.convertSteps( | ||
| context, | ||
| onException, | ||
| definition.steps); | ||
| } | ||
|
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| @Override | ||
| public ProcessorDefinition<?> toProcessor(Context context) { | ||
| final Definition definition = context.node(Definition.class); | ||
| final OnExceptionDefinition onException = new OnExceptionDefinition(); | ||
|
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| if (definition.exceptions == null) { | ||
| definition.exceptions = List.of(Exception.class.getName()); | ||
| } | ||
|
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| onException.setExceptions(definition.exceptions); | ||
| onException.setRouteScoped(true); | ||
|
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| mapToOnException(context, definition, onException); | ||
|
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| return StepParserSupport.convertSteps( | ||
| context, | ||
| onException, | ||
| definition.steps); | ||
| } | ||
|
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| private static void mapToOnException(Context context, Definition definition, OnExceptionDefinition onException) { | ||
| ifNotEmpty(definition.retryWhile, onException::setRetryWhile); | ||
| ifNotEmpty(definition.handled, onException::setHandled); | ||
| ifNotEmpty(definition.continued, onException::setContinued); | ||
| ifNotEmpty(definition.continued, onException::setContinued); | ||
| ifNotEmpty(definition.redeliveryPolicyType, onException::setRedeliveryPolicyType); | ||
| ifNotEmpty(definition.redeliveryPolicyRef, onException::setRedeliveryPolicyRef); | ||
| ifNotEmpty(definition.onRedeliveryRef, onException::setOnRedeliveryRef); | ||
| ifNotEmpty(definition.onExceptionOccurredRef, onException::setOnExceptionOccurredRef); | ||
| ifNotEmpty(definition.useOriginalMessage, val -> onException.setUseOriginalMessage(Boolean.toString(val))); | ||
| ifNotEmpty(definition.useOriginalBody, val -> onException.setUseOriginalBody(Boolean.toString(val))); | ||
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| if (definition.onWhen != null) { | ||
| StepParserSupport.notNull(definition.onWhen.steps, "onWhen.steps"); | ||
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| StepParserSupport.convertSteps( | ||
| context, | ||
| definition.onWhen, | ||
| definition.onWhen.steps | ||
| ); | ||
|
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| onException.setOnWhen(definition.onWhen); | ||
| } | ||
| } | ||
|
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| @YAMLNodeDefinition(reifiers = OnExceptionReifier.class) | ||
| public static final class Definition { | ||
| public List<Step> steps; | ||
|
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| @JsonAlias("exceptions") | ||
| public List<String> exceptions; | ||
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| @JsonAlias({"when", "on-when"}) | ||
| public When onWhen; | ||
| @JsonAlias("retry-while") | ||
| public ExpressionElement retryWhile; | ||
| @JsonAlias("handled") | ||
| public MaybeBooleanExpressionElement handled; | ||
| @JsonAlias("continued") | ||
| public MaybeBooleanExpressionElement continued; | ||
|
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| @JsonAlias("redelivery-policy") | ||
| public RedeliveryPolicyDefinition redeliveryPolicyType; | ||
| @JsonAlias("redelivery-policy-ref") | ||
| public String redeliveryPolicyRef; | ||
|
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| @JsonAlias("on-redelivery-ref") | ||
| public String onRedeliveryRef; | ||
| @JsonAlias("on-exception-occurred-ref") | ||
| public String onExceptionOccurredRef; | ||
| @JsonAlias("use-original-message") | ||
| public boolean useOriginalMessage; | ||
| @JsonAlias("use-original-body") | ||
| public boolean useOriginalBody; | ||
|
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| public static final class When extends WhenDefinition implements HasExpression { | ||
| public List<Step> steps; | ||
| } | ||
|
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| public static final class ExpressionElement extends ExpressionSubElementDefinition implements HasExpression { | ||
| @Override | ||
| public void setExpression(ExpressionDefinition expressionDefinition) { | ||
| super.setExpressionType(expressionDefinition); | ||
| } | ||
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| @Override | ||
| public ExpressionDefinition getExpression() { | ||
| return super.getExpressionType(); | ||
| } | ||
| } | ||
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| public static final class MaybeBooleanExpressionElement extends ExpressionSubElementDefinition implements HasExpression { | ||
| public MaybeBooleanExpressionElement() { | ||
| } | ||
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| public MaybeBooleanExpressionElement(boolean argument) { | ||
| setExpression(new ConstantExpression(Boolean.toString(argument))); | ||
| } | ||
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| @Override | ||
| public void setExpression(ExpressionDefinition expressionDefinition) { | ||
| super.setExpressionType(expressionDefinition); | ||
| } | ||
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| @Override | ||
| public ExpressionDefinition getExpression() { | ||
| return super.getExpressionType(); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
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