Examples of org.apache.xmlbeans.xml.stream.XMLInputStream

org.apache.xmlbeans.xml.stream.XMLInputStream
This is the top level interface for iterating over XML Events in an XML document.
Difference from SAX

An event stream can be thought of encapsulating SAX events. It applies an iterator/pull metaphor to the parser allowing procedural, stream-based, handling of input XML rather than having to write chained event handlers to handle complex XML documents.
Difference from DOM

The pull metaphor allows single-pass, stream-based parsing of the document rather than tree based manipulation.
@since XMLInputStream 1.0 @version 1.0 @see org.apache.xmlbeans.xml.stream.XMLEvent @see org.apache.xmlbeans.xml.stream.CharacterData @see org.apache.xmlbeans.xml.stream.ProcessingInstruction @see org.apache.xmlbeans.xml.stream.StartElement @see org.apache.xmlbeans.xml.stream.EndElement @see org.apache.xmlbeans.xml.stream.CharacterData @see org.apache.xmlbeans.xml.stream.XMLName @deprecated XMLInputStream was deprecated by XMLStreamReader from STaX - jsr173 API.

            reader1 = new StringReader(s);
            reader2 = new StringReader(s);


        System.out.println("reader ...");
        XmlStreamSource source = new XppXmlStreamImpl(reader1);
        XMLInputStream myStream = XmlStreamFactory.
                createXmlInputStream( source );


        XMLInputStream babelStream = XMLInputStreamFactory.newInstance().
            newInputStream(reader2);


        System.out.println("myStream ...");
        for(int i=0; myStream.hasNext() && i<3; i++)
        {
            System.out.println( "my: " + " '" +
                myStream.next() + "'");
            System.out.println( "bb: " + " '" +
                    babelStream.next() + "'");
        }


        XMLInputStream myss = myStream.getSubStream();
        XMLInputStream bbss = babelStream.getSubStream();


        for(int i=0; myss.hasNext() && i<3; i++)
        {
            System.out.println( "my SUBStream: " + " '" +
                    myss.next() + "'");
            System.out.println( "bb SUBStream: " + " '" +
                    bbss.next() + "'");
        }


        XMLInputStream myss2 = myss.getSubStream();
        XMLInputStream bbss2 = myss.getSubStream();
        for(; myss2.hasNext() ;)
        {
            System.out.println( "my SubSUBStream 2: " +
                    " '" + myss2.next() + "'");
            System.out.println( "bb SubSUBStream 2: " +
                    " '" + bbss2.next() + "'");
        }
        myss2.close();
        bbss2.close();


        for(; myss.hasNext() || bbss.hasNext() ;)
        {
            System.out.println( "my SUBStream: " + " '" +
                    myss.next() + "'");

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        reader1 = new StringReader(s);
        reader2 = new StringReader(s);


        System.out.println("reader ... in main3");
        XmlStreamSource source = new XppXmlStreamImpl(reader1);
        XMLInputStream myStream = XmlStreamFactory.
                createXmlInputStream( source );


        //XMLInputStream babelStream = XMLInputStreamFactory.newInstance().
        //    newInputStream(reader2);


        System.out.println("myStream ...");
        for(int i=0; myStream.hasNext() && i<0; i++)
        {
            System.out.println( "my: " + " '" +
                myStream.next() + "'");
            //System.out.println( "bb: " + " '" +
            //        babelStream.next() + "'");
        }


        XMLInputStream myss = myStream.getSubStream();
        //XMLInputStream bbss = babelStream.getSubStream();


        for(int i=0; myss.hasNext() && i<3; i++)
        {
            System.out.println( "my SUBStream: " + " '" +
                    myss.next() + "'");
            //System.out.println( "bb SUBStream: " + " '" +
            //        bbss.next() + "'");
        }


        XMLInputStream myss2 = myss.getSubStream();
        //XMLInputStream bbss2 = myss.getSubStream();
        for(; myss2.hasNext() ;)
        {
            System.out.println( "my SubSUBStream 2: " +
                    " '" + myss2.next() + "'");
            //System.out.println( "bb SubSUBStream 2: " +
            //        " '" + bbss2.next() + "'");
        }
        myss2.close();
        //bbss2.close();


        for(; myss.hasNext() /*|| bbss.hasNext()*/ ;)
        {
            System.out.println( "my SUBStream: " + " '" +

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            return;


        Reader r1 = new BufferedReader( new FileReader(file));
        Reader r2 = new BufferedReader( new FileReader(file));


        XMLInputStream xpp = XmlStreamFactory.
                createXmlInputStream(new XppXmlStreamImpl(r2));
        XMLInputStream babel = XMLInputStreamFactory.newInstance().
            newInputStream(r1);


        while( xpp.hasNext() || babel.hasNext() )
        {
            XMLEvent xppevent = xpp.peek();
            XMLEvent babelevent = babel.peek();


            if( !(""+xppevent).equals((""+babelevent)) )
                printError(xppevent, babelevent);
            else
            {
                //System.out.println("   `" + xppevent + "'\n   `" + babelevent +
                //                   "'"); System.out.flush();
            }


            xppevent = xpp.next();
            babelevent = babel.next();
        }


        //System.out.println("   xpp   overlimit: " + xpp.next() );
        //System.out.println("   babel overlimit: " + babel.next() );

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            //throw new Exception("compareFile: file not a File");
            return;


        Reader r2 = new BufferedReader( new FileReader(file));


        XMLInputStream xpp = XmlStreamFactory.
                createXmlInputStream(new XppXmlStreamImpl(r2));
        XMLInputStream morphedStream;
        try
        {
            System.out.println("Starting xquery");
            XmlObject xmlObj = XmlObject.Factory.parse(xpp);
            XmlCursor crs = xmlObj.newCursor();

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        //babel
        for( int i=0; i<TIMES; i++ )
        {
            Reader r = new BufferedReader( new FileReader(file));
            start = new Date().getTime();
            XMLInputStream babel = XMLInputStreamFactory.newInstance().
                newInputStream(r);
            while( babel.hasNext() )
            {
                XMLEvent babelevent = babel.peek();
                babelevent = babel.next();
            }
            babeltime += new Date().getTime() - start;
            r.close();
            //System.out.print(".");
        }


        //xpp with direct acces to the xpp parser
        for( int i=0; i<TIMES; i++ )
        {
            Reader r = new BufferedReader( new FileReader(file));
            start = new Date().getTime();
            MXParser xpp = (MXParser) new MXParserCachingStrings();
            xpp.setFeature( MXParser.FEATURE_PROCESS_NAMESPACES, true);
            xpp.setInput( r );
            int eventType = xpp.getEventType();
            while ( eventType != xpp.END_DOCUMENT )
            {
                eventType = xpp.nextToken();
            }
            xrtime += new Date().getTime() - start;
            r.close();
            //System.out.print("'");
        }


        //xpp with XppXmlStreamImpl
        for( int i=0; i<TIMES; i++ )
        {
            Reader r = new BufferedReader( new FileReader(file));
            //XMLInputStream xpp = new XppAdaptor().getStream(r2);
            start = new Date().getTime();
            XMLInputStream xpp = (XMLInputStream) new XppXmlStreamImpl(r);


            while( xpp.hasNext() )
            {
                XMLEvent xppevent = xpp.peek();
                xppevent = xpp.next();
            }
            xstime += new Date().getTime() - start;
            r.close();
            //System.out.print("`");
        }

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