| /* Copyright 2004 The Apache Software Foundation |
| * |
| * 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 org.apache.xmlbeans.impl.common; |
| |
| import org.apache.xmlbeans.XmlError; |
| |
| import java.util.AbstractCollection; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Iterator; |
| |
| public class XmlErrorWatcher extends AbstractCollection<XmlError> { |
| private final Collection<XmlError> _underlying; |
| private XmlError _firstError; |
| |
| public XmlErrorWatcher(Collection<XmlError> underlying) { |
| _underlying = underlying; |
| } |
| |
| public boolean add(XmlError o) { |
| if (_firstError == null && o != null && o.getSeverity() == XmlError.SEVERITY_ERROR) { |
| _firstError = o; |
| } |
| if (_underlying == null) { |
| return false; |
| } |
| return _underlying.add(o); |
| } |
| |
| public Iterator<XmlError> iterator() { |
| if (_underlying == null) { |
| return Collections.emptyIterator(); |
| } |
| |
| return _underlying.iterator(); |
| } |
| |
| public int size() { |
| if (_underlying == null) { |
| return 0; |
| } |
| |
| return _underlying.size(); |
| } |
| |
| public boolean hasError() { |
| return _firstError != null; |
| } |
| |
| public XmlError firstError() { |
| return _firstError; |
| } |
| } |