| /* |
| * 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.polygene.api.composite; |
| |
| import java.util.stream.Stream; |
| import org.apache.polygene.api.common.InvalidApplicationException; |
| import org.apache.polygene.api.structure.TypeLookup; |
| |
| import static java.util.stream.Collectors.joining; |
| |
| /** |
| * This exception is thrown if client code tries to create a non-existing Composite type. |
| */ |
| public abstract class NoSuchCompositeTypeException extends InvalidApplicationException |
| { |
| private final String compositeType; |
| private final String moduleName; |
| private final String visibleTypes; |
| private final String metaType; |
| private final String candidateTypes; |
| |
| protected NoSuchCompositeTypeException( String metaType, String compositeType, String moduleName, TypeLookup typeLookup ) |
| { |
| super( "\n\tCould not find any visible " + metaType + " of type [" + compositeType + "] in module [" + moduleName + "]." ); |
| this.metaType = metaType; |
| this.compositeType = compositeType; |
| this.moduleName = moduleName; |
| visibleTypes = formatVisibleTypes( typeLookup ); |
| candidateTypes = findCandidateTypes( typeLookup ); |
| } |
| |
| public String compositeType() |
| { |
| return compositeType; |
| } |
| |
| public String moduleName() |
| { |
| return moduleName; |
| } |
| |
| public String visibleTypes() |
| { |
| return visibleTypes; |
| } |
| |
| public String candidateTypes() |
| { |
| return candidateTypes; |
| } |
| |
| @Override |
| public String getMessage() |
| { |
| return super.getMessage() + "\n" + candidateTypes + "\n" + visibleTypes; |
| } |
| |
| private String formatVisibleTypes( TypeLookup typeLookup ) |
| { |
| return descriptors( typeLookup ) |
| .map( descriptor -> |
| { |
| String moduleName = descriptor.module().name(); |
| String typeName = descriptor.primaryType().getName(); |
| return "\t\t[" + typeName + "] in [" + moduleName + "]"; |
| } ) |
| .sorted() |
| .distinct() |
| .collect( joining( "\n", "\tVisible " + metaType + " types are:\n", "" ) ); |
| } |
| |
| private String findCandidateTypes( TypeLookup typeLookup ) |
| { |
| return ""; |
| // return descriptors( typeLookup ) |
| // .filter( type -> compositeType.equals( type.primaryType().getName() ) ) |
| // .map( descriptor -> |
| // { |
| // Class<?> primarytype = descriptor.primaryType(); |
| // String typeName = primarytype.getName(); |
| // return "\t\t[ " + typeName + "] in [" + descriptor.module().name() + "] with visibility " + descriptor.visibility(); |
| // } ) |
| // .collect( joining( "\n", "\tInvisible " + metaType + " types are:\n", "" ) ); |
| } |
| |
| protected abstract Stream<? extends CompositeDescriptor> descriptors( TypeLookup typeLookup ); |
| |
| @Override |
| public boolean equals( Object o ) |
| { |
| if( this == o ) |
| { |
| return true; |
| } |
| if( o == null || getClass() != o.getClass() ) |
| { |
| return false; |
| } |
| |
| NoSuchCompositeTypeException that = (NoSuchCompositeTypeException) o; |
| |
| if( !compositeType.equals( that.compositeType ) ) |
| { |
| return false; |
| } |
| if( !moduleName.equals( that.moduleName ) ) |
| { |
| return false; |
| } |
| return visibleTypes.equals( that.visibleTypes ); |
| } |
| |
| @Override |
| public int hashCode() |
| { |
| int result = compositeType.hashCode(); |
| result = 31 * result + moduleName.hashCode(); |
| result = 31 * result + visibleTypes.hashCode(); |
| return result; |
| } |
| } |