/*
* 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.isis.core.metamodel.specloader.validator;
import java.util.Collections;
import java.util.Iterator;
import java.util.Set;
import java.util.SortedSet;
import com.google.common.collect.Sets;
public final class ValidationFailures implements Iterable<String> {
private final Set<String> messages = Sets.newLinkedHashSet();
public void add(final String pattern, final Object... arguments) {
final String message = String.format(pattern, arguments);
messages.add(message);
}
public void addAll(final Iterable<String> messages) {
for (final String message : messages) {
this.messages.add(message);
}
}
public void add(final ValidationFailures validationFailures) {
addAll(validationFailures.getMessages());
}
public void assertNone() {
if (!occurred()) {
return;
}
final SortedSet<String> sortedMessages = Sets.newTreeSet(messages);
throw new MetaModelInvalidException(sortedMessages);
}
public boolean occurred() {
return !messages.isEmpty();
}
public Set<String> getMessages() {
return Collections.unmodifiableSet(messages);
}
public int getNumberOfMessages() {
return messages.size();
}
@Override
public Iterator<String> iterator() {
return getMessages().iterator();
}
}