001/*
002 *  Licensed to the Apache Software Foundation (ASF) under one
003 *  or more contributor license agreements.  See the NOTICE file
004 *  distributed with this work for additional information
005 *  regarding copyright ownership.  The ASF licenses this file
006 *  to you under the Apache License, Version 2.0 (the
007 *  "License"); you may not use this file except in compliance
008 *  with the License.  You may obtain a copy of the License at
009 *
010 *        http://www.apache.org/licenses/LICENSE-2.0
011 *
012 *  Unless required by applicable law or agreed to in writing,
013 *  software distributed under the License is distributed on an
014 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 *  KIND, either express or implied.  See the License for the
016 *  specific language governing permissions and limitations
017 *  under the License.
018 */
019
020package org.apache.isis.core.metamodel.specloader.validator;
021
022import java.util.Set;
023
024public class MetaModelInvalidException extends IllegalStateException {
025
026    private static final long serialVersionUID = 1L;
027    private final Set<String> validationErrors;
028
029    public MetaModelInvalidException(Set<String> validationErrors) {
030        super(concatenate(validationErrors));
031        this.validationErrors = validationErrors;
032    }
033    
034    public Set<String> getValidationErrors() {
035        return validationErrors;
036    }
037
038    // //////////////////////////////////////
039
040    private static String concatenate(Set<String> messages) {
041        final StringBuilder buf = new StringBuilder();
042        int i=0;
043        for (String message : messages) {
044            buf.append(++i).append(": ").append(message).append("\n");
045        }
046        return buf.toString();
047    }
048
049}