/* * Copyright (c) 2017 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 * * 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 com.github.krr.mongodb.aggregate.support.condition; import com.github.krr.mongodb.aggregate.support.annotations.Conditional; import org.springframework.context.annotation.Condition; import org.springframework.context.annotation.ConditionContext; import org.springframework.core.type.AnnotatedTypeMetadata; import org.springframework.util.Assert; import java.util.List; import java.util.Map; /** * Created by rkolliva * 4/15/17. */ @SuppressWarnings({"WeakerAccess", "Duplicates"}) public abstract class AbstractCondition implements Condition { protected Object getParameterByIndex(ConditionContext conditionContext, AnnotatedTypeMetadata annotatedTypeMetadata) { Assert.isAssignable(AggregateQueryMethodConditionContext.class, conditionContext.getClass()); AggregateQueryMethodConditionContext ctx = (AggregateQueryMethodConditionContext) conditionContext; List<Object> parameters = ctx.getParameterValues(); int parameterIndex = getParameterIndex(annotatedTypeMetadata); int paramCount = parameters.size(); if (parameterIndex < paramCount) { return parameters.get(parameterIndex); } throw new IllegalArgumentException("Argument index " + parameterIndex + " out of bounds, max count: " + paramCount); } protected int getParameterIndex(AnnotatedTypeMetadata annotatedTypeMetadata) { Map<String, Object> params = annotatedTypeMetadata.getAnnotationAttributes(Conditional.class.getName()); return (int) params.get(ConditionalAnnotationMetadata.PARAMETER_INDEX); } }