diff --git a/common/config-common/pom.xml b/common/config-common/pom.xml new file mode 100644 index 00000000..efda9803 --- /dev/null +++ b/common/config-common/pom.xml @@ -0,0 +1,26 @@ + + + 4.0.0 + config-common + 1.0.0-SNAPSHOT + geode-common + Function Common Configuration Components + + + org.springframework.cloud.fn + spring-functions-parent + 1.0.0-SNAPSHOT + ../../spring-functions-parent + + + + org.springframework.boot + spring-boot + + + org.springframework.integration + spring-integration-core + + + + diff --git a/common/config-common/src/main/java/org/springframework/cloud/fn/common/config/SpelExpressionConverterConfiguration.java b/common/config-common/src/main/java/org/springframework/cloud/fn/common/config/SpelExpressionConverterConfiguration.java new file mode 100644 index 00000000..ac3309c5 --- /dev/null +++ b/common/config-common/src/main/java/org/springframework/cloud/fn/common/config/SpelExpressionConverterConfiguration.java @@ -0,0 +1,78 @@ +/* + * Copyright 2020-2020 the original author or authors. + * + * Licensed 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 + * + * https://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.springframework.cloud.fn.common.config; + +import java.beans.Introspector; + +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.beans.factory.annotation.Qualifier; +import org.springframework.boot.context.properties.ConfigurationPropertiesBinding; +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; +import org.springframework.context.annotation.Lazy; +import org.springframework.core.convert.converter.Converter; +import org.springframework.expression.EvaluationContext; +import org.springframework.expression.Expression; +import org.springframework.expression.ParseException; +import org.springframework.expression.spel.standard.SpelExpression; +import org.springframework.expression.spel.standard.SpelExpressionParser; +import org.springframework.integration.config.IntegrationConverter; +import org.springframework.integration.expression.SpelPropertyAccessorRegistrar; +import org.springframework.integration.json.JsonPropertyAccessor; + +@Configuration +public class SpelExpressionConverterConfiguration { + @Bean + public static SpelPropertyAccessorRegistrar spelPropertyAccessorRegistrar() { + return (new SpelPropertyAccessorRegistrar()) + .add(Introspector.decapitalize(JsonPropertyAccessor.class.getSimpleName()), new JsonPropertyAccessor()); + } + + @Bean + @ConfigurationPropertiesBinding + @IntegrationConverter + public Converter spelConverter() { + return new SpelExpressionConverterConfiguration.SpelConverter(); + } + + public static class SpelConverter implements Converter { + private SpelExpressionParser parser = new SpelExpressionParser(); + + @Autowired + @Qualifier("integrationEvaluationContext") + @Lazy + private EvaluationContext evaluationContext; + + public SpelConverter() { + } + + public Expression convert(String source) { + try { + Expression expression = this.parser.parseExpression(source); + if (expression instanceof SpelExpression) { + ((SpelExpression) expression).setEvaluationContext(this.evaluationContext); + } + + return expression; + } + catch (ParseException var3) { + throw new IllegalArgumentException( + String.format("Could not convert '%s' into a SpEL expression", source), var3); + } + } + } +} diff --git a/common/config-common/src/main/resources/META-INF/spring.factories b/common/config-common/src/main/resources/META-INF/spring.factories new file mode 100644 index 00000000..b41d7bb4 --- /dev/null +++ b/common/config-common/src/main/resources/META-INF/spring.factories @@ -0,0 +1,2 @@ +org.springframework.boot.autoconfigure.EnableAutoConfiguration=\ + org.springframework.cloud.fn.common.config.SpelExpressionConverterConfiguration diff --git a/pom.xml b/pom.xml index 81ffc9de..a6ca032f 100644 --- a/pom.xml +++ b/pom.xml @@ -41,6 +41,7 @@ + common/config-common common/ftp-common common/function-test-support common/tcp-common