[New] added XmlModelSaxStreamReader
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/*
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* Copyright 2013 Robert von Burg <eitch@eitchnet.ch>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package li.strolch.model.xml;
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import java.io.IOException;
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import java.io.InputStream;
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import java.text.MessageFormat;
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import java.util.Date;
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import javax.xml.parsers.ParserConfigurationException;
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import javax.xml.parsers.SAXParser;
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import javax.xml.parsers.SAXParserFactory;
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import li.strolch.exception.StrolchException;
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import li.strolch.model.Tags;
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import org.xml.sax.Attributes;
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import org.xml.sax.SAXException;
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import ch.eitchnet.utils.helper.StringHelper;
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/**
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* @author Robert von Burg <eitch@eitchnet.ch>
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*/
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public class XmlModelSaxStreamReader extends XmlModelSaxReader {
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private InputStream stream;
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/**
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* @param listener
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* @param stream
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*/
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public XmlModelSaxStreamReader(StrolchElementListener listener, InputStream stream) {
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super(listener);
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this.stream = stream;
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}
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@Override
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public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
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switch (qName) {
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case Tags.INCLUDE_FILE:
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String msg = "The {0} can''t handle Tags of type {1}";
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msg = MessageFormat.format(msg, XmlModelSaxStreamReader.class.getName(), Tags.INCLUDE_FILE);
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throw new IllegalArgumentException(msg); //$NON-NLS-1$
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default:
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super.startElement(uri, localName, qName, attributes);
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}
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}
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public void parseStream() {
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try {
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long startNanos = System.nanoTime();
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this.statistics.startTime = new Date();
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SAXParserFactory spf = SAXParserFactory.newInstance();
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SAXParser sp = spf.newSAXParser();
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sp.parse(this.stream, this);
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long endNanos = System.nanoTime();
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this.statistics.durationNanos = endNanos - startNanos;
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String msg = "SAX parsed stream took {0}"; //$NON-NLS-1$
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logger.info(MessageFormat.format(msg, StringHelper.formatNanoDuration(this.statistics.durationNanos)));
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} catch (ParserConfigurationException | SAXException | IOException e) {
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String msg = "Parsing failed due to internal error: {0}"; //$NON-NLS-1$
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throw new StrolchException(MessageFormat.format(msg, e.getMessage()), e);
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}
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}
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}
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