| /* |
| * 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.axiom.ts.om.container; |
| |
| import javax.xml.stream.XMLStreamConstants; |
| import javax.xml.stream.XMLStreamException; |
| import javax.xml.stream.XMLStreamReader; |
| |
| import org.apache.axiom.util.stax.wrapper.XMLStreamReaderWrapper; |
| |
| /** |
| * {@link XMLStreamReader} wrapper that filters out any root level whitespace. |
| */ |
| public class RootWhitespaceFilter extends XMLStreamReaderWrapper { |
| private int depth; |
| |
| public RootWhitespaceFilter(XMLStreamReader parent) { |
| super(parent); |
| } |
| |
| @Override |
| public int next() throws XMLStreamException { |
| int event; |
| loop: while (true) { |
| event = super.next(); |
| switch (event) { |
| case XMLStreamConstants.START_ELEMENT: |
| depth++; |
| break loop; |
| case XMLStreamConstants.END_ELEMENT: |
| depth--; |
| break loop; |
| case XMLStreamConstants.CHARACTERS: |
| case XMLStreamConstants.SPACE: |
| if (depth > 0) { |
| break loop; |
| } else { |
| continue loop; |
| } |
| default: |
| break loop; |
| } |
| } |
| return event; |
| } |
| } |