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Viewing changes to TuxGuitar/src/org/herac/tuxguitar/gui/editors/chord/xml/ChordXMLWriter.java

  • Committer: Bazaar Package Importer
  • Author(s): Philippe Coval
  • Date: 2008-06-19 00:30:30 UTC
  • mto: (5.1.2 sid)
  • mto: This revision was merged to the branch mainline in revision 3.
  • Revision ID: james.westby@ubuntu.com-20080619003030-h719szrhsngou7c6
Tags: upstream-1.0
Import upstream version 1.0

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TuxGuitar/src/org/herac/tuxguitar/gui/editors/chord/xml/ChordXMLWriter.java
 
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package org.herac.tuxguitar.gui.editors.chord.xml;
 
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import java.io.File;
 
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import java.io.FileNotFoundException;
 
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import java.io.FileOutputStream;
 
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import java.util.Iterator;
 
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import java.util.List;
 
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import javax.xml.parsers.DocumentBuilder;
 
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import javax.xml.parsers.DocumentBuilderFactory;
 
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import javax.xml.parsers.FactoryConfigurationError;
 
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import javax.xml.parsers.ParserConfigurationException;
 
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import javax.xml.transform.OutputKeys;
 
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import javax.xml.transform.Result;
 
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import javax.xml.transform.Source;
 
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import javax.xml.transform.Transformer;
 
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import javax.xml.transform.TransformerConfigurationException;
 
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import javax.xml.transform.TransformerException;
 
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import javax.xml.transform.TransformerFactory;
 
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import javax.xml.transform.dom.DOMSource;
 
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import javax.xml.transform.stream.StreamResult;
 
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import org.herac.tuxguitar.song.models.TGChord;
 
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import org.w3c.dom.Attr;
 
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import org.w3c.dom.Document;
 
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import org.w3c.dom.Node;
 
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public class ChordXMLWriter {
 
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        public static void setChords(List chords,String fileName) {
 
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                File file = new File(fileName);
 
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                Document doc = createDocument();
 
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                setChords(chords,doc);
 
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                saveDocument(doc,file);
 
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        }
 
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        public static Document createDocument() {
 
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                Document document = null;
 
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                DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
 
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                try {
 
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                        DocumentBuilder builder = factory.newDocumentBuilder();
 
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                        document = builder.newDocument();
 
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                }catch (ParserConfigurationException pce) {
 
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                        pce.printStackTrace();
 
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                }
 
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                return document;
 
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        }
 
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        public static void saveDocument(Document document,File file) {
 
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                try {
 
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                        FileOutputStream fs = new FileOutputStream(file);
 
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                        // Write it out again
 
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                        TransformerFactory xformFactory = TransformerFactory.newInstance();
 
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                        Transformer idTransform = xformFactory.newTransformer();
 
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                        Source input = new DOMSource(document);
 
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                        Result output = new StreamResult(fs);
 
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                        idTransform.setOutputProperty(OutputKeys.INDENT, "yes");
 
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                        idTransform.transform(input, output);
 
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                } catch (FactoryConfigurationError e) {
 
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                        e.printStackTrace();
 
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                } catch (TransformerConfigurationException e) {
 
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                        e.printStackTrace();
 
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                } catch (TransformerException e) {
 
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                        e.printStackTrace();
 
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                } catch (FileNotFoundException e) {
 
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                        e.printStackTrace();
 
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                }
 
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        }
 
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        /**
 
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         * Write chords to xml file
 
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         */
 
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        private static void setChords(List chords,Document document){
 
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                //chords tag
 
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                Node chordsNode = document.createElement(ChordXML.CHORD_LIST_TAG);
 
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                Iterator it = chords.iterator();
 
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                while(it.hasNext()){
 
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                        TGChord chord = (TGChord)it.next();
 
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                        //chord tag
 
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                        Node chordNode = document.createElement(ChordXML.CHORD_TAG);
 
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                        chordsNode.appendChild(chordNode);
 
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                        //name attribute
 
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                        Attr nameAttr = document.createAttribute(ChordXML.CHORD_NAME_ATTRIBUTE);
 
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                        nameAttr.setNodeValue( chord.getName());
 
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                        chordNode.getAttributes().setNamedItem(nameAttr);
 
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                        //strings attribute
 
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                        Attr stringsAttr = document.createAttribute(ChordXML.CHORD_STRINGS_ATTRIBUTE);
 
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                        stringsAttr.setNodeValue(Integer.toString(chord.getStrings().length));
 
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                        chordNode.getAttributes().setNamedItem(stringsAttr);
 
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                        //first fret attribute
 
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                        Attr firstFretAttr = document.createAttribute(ChordXML.CHORD_FIRST_FRET_ATTRIBUTE);
 
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                        firstFretAttr.setNodeValue(Integer.toString(chord.getFirstFret()));
 
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                        chordNode.getAttributes().setNamedItem(firstFretAttr);
 
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                        for(int i = 0;i < chord.getStrings().length; i++){
 
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                                //string tag
 
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                                Node stringNode = document.createElement(ChordXML.STRING_TAG);
 
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                                chordNode.appendChild(stringNode);
 
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                                //number attribute
 
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                                Attr numberAttr = document.createAttribute(ChordXML.STRING_NUMBER_ATTRIBUTE);
 
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                                numberAttr.setNodeValue(Integer.toString(i));
 
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                                stringNode.getAttributes().setNamedItem(numberAttr);
 
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                                //fret attribute
 
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                                Attr fretAttr = document.createAttribute(ChordXML.STRING_FRET_ATTRIBUTE);
 
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                                fretAttr.setNodeValue(Integer.toString(chord.getFretValue(i)));
 
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                                stringNode.getAttributes().setNamedItem(fretAttr);
 
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                        }
 
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                }
 
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                document.appendChild(chordsNode);
 
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        }
 
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}