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Apache CXF example source code file (FragmentStreamReader.java)
The Apache CXF FragmentStreamReader.java source code/** * 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.cxf.staxutils; import javax.xml.stream.XMLStreamException; import javax.xml.stream.XMLStreamReader; /** * Wraps a XMLStreamReader and provides optional START_DOCUMENT and END_DOCUMENT events. * * @author <a href="mailto:dan@envoisolutions.com">Dan Diephouse */ public class FragmentStreamReader extends DepthXMLStreamReader { private boolean startDoc; private boolean startElement; private boolean middle = true; private boolean endDoc; private boolean doDocEvents = true; private int depth; private int current = -1; private boolean filter = true; private boolean advanceAtEnd = true; public FragmentStreamReader(XMLStreamReader reader) { super(reader); } public FragmentStreamReader(XMLStreamReader reader, boolean doDocEvents) { super(reader); this.doDocEvents = doDocEvents; if (!doDocEvents) { startDoc = true; depth = getDepth(); current = reader.getEventType(); startElement = true; } } public int getEventType() { return current; } public boolean hasNext() throws XMLStreamException { if (!startDoc) { return true; } if (endDoc) { return false; } return reader.hasNext(); } public final int next() throws XMLStreamException { if (!startDoc) { startDoc = true; current = START_DOCUMENT; } else if (!startElement) { depth = getDepth(); current = reader.getEventType(); if (filter) { while (current != START_ELEMENT && depth >= getDepth() && super.hasNext()) { current = super.next(); } filter = false; } startElement = true; current = START_ELEMENT; } else if (middle) { current = super.next(); if (current == END_ELEMENT && getDepth() < depth) { middle = false; if (!doDocEvents) { endDoc = true; } } } else if (!endDoc) { // Move past the END_ELEMENT token. if (advanceAtEnd) { super.next(); } endDoc = true; current = END_DOCUMENT; } else { throw new XMLStreamException("Already at the end of the document."); } return current; } public boolean isAdvanceAtEnd() { return advanceAtEnd; } /** * Set whether or not the FragmentStreamReader should move past the END_ELEMENT * when it is done parsing. * @param advanceAtEnd */ public void setAdvanceAtEnd(boolean a) { this.advanceAtEnd = a; } } Other Apache CXF examples (source code examples)Here is a short list of links related to this Apache CXF FragmentStreamReader.java source code file: |
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