[New] added XmlModelSaxStreamReader

li.strolch.model/src/main/java/li/strolch/model/xml/XmlModelSaxStreamReader.java

@@ -0,0 +1,87 @@
+/*
+ * Copyright 2013 Robert von Burg <eitch@eitchnet.ch>
+ * 
+ * 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 li.strolch.model.xml;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.text.MessageFormat;
+import java.util.Date;
+
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.parsers.SAXParser;
+import javax.xml.parsers.SAXParserFactory;
+
+import li.strolch.exception.StrolchException;
+import li.strolch.model.Tags;
+
+import org.xml.sax.Attributes;
+import org.xml.sax.SAXException;
+
+import ch.eitchnet.utils.helper.StringHelper;
+
+/**
+ * @author Robert von Burg <eitch@eitchnet.ch>
+ */
+public class XmlModelSaxStreamReader extends XmlModelSaxReader {
+
+	private InputStream stream;
+
+	/**
+	 * @param listener
+	 * @param stream
+	 */
+	public XmlModelSaxStreamReader(StrolchElementListener listener, InputStream stream) {
+		super(listener);
+		this.stream = stream;
+	}
+
+	@Override
+	public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
+
+		switch (qName) {
+
+		case Tags.INCLUDE_FILE:
+			String msg = "The {0} can''t handle Tags of type {1}";
+			msg = MessageFormat.format(msg, XmlModelSaxStreamReader.class.getName(), Tags.INCLUDE_FILE);
+			throw new IllegalArgumentException(msg); //$NON-NLS-1$
+		default:
+			super.startElement(uri, localName, qName, attributes);
+		}
+	}
+
+	public void parseStream() {
+
+		try {
+			long startNanos = System.nanoTime();
+			this.statistics.startTime = new Date();
+
+			SAXParserFactory spf = SAXParserFactory.newInstance();
+			SAXParser sp = spf.newSAXParser();
+
+			sp.parse(this.stream, this);
+
+			long endNanos = System.nanoTime();
+			this.statistics.durationNanos = endNanos - startNanos;
+			String msg = "SAX parsed stream took {0}"; //$NON-NLS-1$
+			logger.info(MessageFormat.format(msg, StringHelper.formatNanoDuration(this.statistics.durationNanos)));
+
+		} catch (ParserConfigurationException | SAXException | IOException e) {
+
+			String msg = "Parsing failed due to internal error: {0}"; //$NON-NLS-1$
+			throw new StrolchException(MessageFormat.format(msg, e.getMessage()), e);
+		}
+	}
+}