Java tutorial
/* * Copyright 2016 Google Inc. All Rights Reserved. * * 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.google.api.server.spi.config.validation; import com.google.api.server.spi.config.ApiConfigInconsistency; import com.google.api.server.spi.config.model.ApiConfig; import com.google.common.base.Preconditions; import com.google.common.collect.Iterables; /** * Exception for when two API classes are in the same API, but provide inconsistent API-wide * configuration. * * @author Eric Orth */ public class InconsistentApiConfigurationException extends ApiConfigInvalidException { public InconsistentApiConfigurationException(ApiConfig config, ApiConfig otherConfig, Iterable<ApiConfigInconsistency<Object>> inconsistencies) { super(config, getErrorMessage(config, otherConfig, inconsistencies)); } private static String getErrorMessage(ApiConfig config, ApiConfig otherConfig, Iterable<ApiConfigInconsistency<Object>> inconsistencies) { Preconditions.checkArgument(!Iterables.isEmpty(inconsistencies)); ApiConfigInconsistency<?> firstInconsistency = Iterables.getFirst(inconsistencies, null); return String.format( "API-wide configuration does not match between the classes %s and %s. All " + "API classes with the same API name and version must have the exact same API-wide " + "configuration. Differing property: %s (%s vs %s).", config.getApiClassConfig().getApiClassJavaName(), otherConfig.getApiClassConfig().getApiClassJavaName(), firstInconsistency.getPropertyName(), firstInconsistency.getValue1(), firstInconsistency.getValue2()); } }