svn-gvsig-desktop / trunk / libraries / libCq CMS for java.old / src / org / cresques / io / DxfFile.java @ 12
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/*
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* Created on 30-abr-2004
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*
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* @author "Luis W. Sevilla" <sevilla_lui@gva.es>
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*/
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package org.cresques.io; |
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import java.io.BufferedReader; |
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import java.io.FileNotFoundException; |
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import java.io.FileReader; |
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import java.io.FileWriter; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.io.InputStreamReader; |
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import java.io.Reader; |
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import java.util.Date; |
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import java.util.Hashtable; |
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import java.util.Vector; |
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import org.cresques.geo.Projection; |
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import org.cresques.geo.ReProjection; |
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/**
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* Clase de soporte para ficheros .dxf de AutoCAD
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*
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* @author "Luis W. Sevilla" <sevilla_lui@gva.es>* @author administrador
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* TODO extension .dxf sin implementar
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*/
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public class DxfFile extends GeoFile { |
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private String name; |
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long lineNr = 0; |
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String buf = null; |
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BufferedReader fi;
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long l = 0; |
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int count = 0; |
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DxfGroup grp = null;
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EntityFactory entityMaker = null;
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/**
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* Crea los objetos en el Modelo correspondiente.
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* @author "Luis W. Sevilla" <sevilla_lui@gva.es>
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*/
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public interface EntityFactory { |
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public void createLayer(DxfGroupVector v) throws Exception ; |
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public void createPolyline(DxfGroupVector v) throws Exception ; |
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public void addVertex(DxfGroupVector v) throws Exception ; |
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public void endSeq() throws Exception ; |
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public void createLwPolyline(DxfGroupVector v) throws Exception ; |
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public void createLine(DxfGroupVector v) throws Exception ; |
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public void createText(DxfGroupVector v) throws Exception ; |
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public void createSolid(DxfGroupVector v) throws Exception ; |
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public void reProject(ReProjection rp); |
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}; |
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public DxfFile(Projection proj, String name, EntityFactory maker) { |
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super(proj);
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this.name = name;
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entityMaker = maker; |
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} |
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/**
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* Carga un .gml
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*/
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public GeoFile load() {
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System.out.println("Dxf: Cargando "+name+" ..."); |
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try {
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if (ZipFileFolder.isUrl(name)) {
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ZipFileFolder zFolder = new ZipFileFolder(name);
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InputStream is = zFolder.getInputStream(name);
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return load(new InputStreamReader(is)); |
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} else
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return load(new FileReader(name)); |
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} catch (FileNotFoundException fnfe) { |
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fnfe.printStackTrace(); |
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} catch (Exception e) { |
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System.err.println("Dxf: ERROR."+l+"lineas leidas"); |
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e.printStackTrace(); |
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} |
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return this; |
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} |
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public GeoFile load(Reader fr) throws NumberFormatException, Exception { |
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System.out.println("Dxf: Cargando '"+name+"' ..."); |
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fi = new BufferedReader(fr); |
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while ((grp = readGrp()) != null) { |
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l+=2;
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if (grp.equals(0, "EOF")) break; |
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if (grp.equals(0, "SECTION")) |
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readSection(); |
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} |
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fi.close(); |
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System.out.println("Dxf: '"+name+"' cargado. ("+l+" l?neas)."); |
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this.lineNr = l;
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//extent.add(collection.getExtent());
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return this; |
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} |
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private DxfGroup readGrp() throws NumberFormatException, IOException { |
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DxfGroup g = DxfGroup.read(fi); |
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if (g != null) l += 2; |
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return g;
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} |
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private void readSection() throws NumberFormatException, Exception { |
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while (true) { |
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grp = readGrp(); |
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if (grp.code == 2) |
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if (((String) grp.data).compareTo("HEADER") == 0) |
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readAnySection(); |
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else if (((String) grp.data).compareTo("CLASSES") == 0) |
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readAnySection(); |
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else if (((String) grp.data).compareTo("TABLES") == 0) |
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readTables(); |
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else if (((String) grp.data).compareTo("BLOCKS") == 0) |
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readAnySection(); |
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else if (((String) grp.data).compareTo("ENTITIES") == 0) |
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readEntities(); |
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else if (((String) grp.data).compareTo("OBJECTS") == 0) |
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readAnySection(); |
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else {
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System.out.println("DxfRead: Seccion "+grp.data); |
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readAnySection(); |
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} |
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else
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System.err.println("Dxf: Codigo/Seccion desconocidos" + grp); |
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if (grp.equals(0, "EOF")) break; |
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if (grp.equals(0, "ENDSEC")) break; |
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} |
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} |
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private void readTables() throws NumberFormatException, Exception { |
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System.out.println("Dxf: Seccion TABLAS, linea "+ l); |
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int layerCnt = 0; |
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String tableAct = "NONAME"; |
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Hashtable tables = new Hashtable(); |
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Vector table = new Vector(); |
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DxfGroupVector v = new DxfGroupVector();
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grp = readGrp(); |
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while (true) { |
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if (grp.code == 0) { |
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String data = (String) grp.getData(); |
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if (data.compareTo("ENDSEC") == 0 || data.compareTo("EOF") == 0) |
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break;
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else if (data.compareTo("ENDTAB") == 0) { |
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tables.put(tableAct, table); |
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table = new Vector(); |
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grp = readGrp(); |
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continue;
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} else {
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if (table.size()==1) { |
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tableAct = v.getDataAsString(2);
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System.out.println("Dxf: Tabla "+tableAct); |
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} else
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if (tableAct.compareTo("LAYER") == 0 && v.size()>0) { |
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entityMaker.createLayer(v); |
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layerCnt++; |
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} |
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v.clear(); |
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v.add(grp); |
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} |
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while (true) { |
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grp = readGrp(); |
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if (grp.code == 0) break; |
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v.add(grp); |
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} |
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table.add(v); |
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} else {
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System.err.println("Dxf: Error de secuencia"); |
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grp = readGrp(); |
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} |
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} |
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System.out.println("Dxf: Seccion TABLAS: " + layerCnt + " Capas. "); |
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} |
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private void readAnySection() throws NumberFormatException, IOException { |
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System.out.println("Dxf: Seccion '"+((String) grp.getData())+"', linea "+ l); |
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while (true) { |
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grp = readGrp(); |
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if (grp.equals(0, "ENDSEC")) break; |
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else if (grp.equals(0, "EOF")) break; |
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} |
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} |
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private void readEntities() throws NumberFormatException, Exception { |
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System.out.println("Dxf: Seccion ENTITIES, linea "+ l); |
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int entityCnt = 0; |
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int cntVeces = 0; |
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DxfGroupVector v = new DxfGroupVector();
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grp = readGrp(); |
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while (true) { |
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if (grp.equals(0, "ENDSEC")) break; |
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else if (grp.equals(0, "EOF")) break; |
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else if (grp.code == 0) { |
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if (v.size() > 0) { |
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String lastEntity = (String) ((DxfGroup) v.get(0)).data; |
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if (lastEntity.compareTo("POLYLINE") == 0) { |
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entityMaker.createPolyline(v); |
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} else if (lastEntity.compareTo("VERTEX") == 0) { |
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entityMaker.addVertex(v); |
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} else if (lastEntity.compareTo("SEQEND") == 0) { |
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entityMaker.endSeq(); |
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} else if (lastEntity.compareTo("LWPOLYLINE") == 0) { |
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entityMaker.createLwPolyline(v); |
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} else if (lastEntity.compareTo("LINE") == 0) { |
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entityMaker.createLine(v); |
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} else if (lastEntity.compareTo("TEXT") == 0) { |
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entityMaker.createText(v); |
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} else if (lastEntity.compareTo("SOLID") == 0) { |
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entityMaker.createSolid(v); |
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} else
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System.err.println("Dxf: Entidad "+lastEntity+" desconocida."); |
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} |
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v.clear(); |
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v.add(grp); |
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while (true) { |
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grp = readGrp(); |
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if (grp.code == 0) break; |
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v.add(grp); |
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} |
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entityCnt++; |
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} |
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cntVeces++; |
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} |
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System.out.println("Dxf: Seccion ENTITIES" + entityCnt + " Entidades, "+ cntVeces + " veces."); |
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//System.out.println("Seccion ENTITIES, linea "+ l+ " (SALGO)");
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} |
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public void save(String fName) throws IOException { |
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fName = DataSource.normalize(fName);
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FileWriter fw = new FileWriter(fName); |
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writeHeader(fw); |
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writeSections(fw); |
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writeEntities(fw); |
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fw.close(); |
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} |
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public void writeHeader(FileWriter fw) throws IOException { |
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// COMMENTAIRES DU TRADUCTEUR
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// fw.write(DxfGroup.toString(999, Integer.toString(features.size()) + " features"));
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fw.write(DxfGroup.toString(999, "TRANSLATION BY geo.cresques.io.DxfFile")); |
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fw.write(DxfGroup.toString(999, "DATE : " + (new Date()).toString())); |
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// ECRITURE DU HEADER
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fw.write(DxfGroup.toString(0, "SECTION")); |
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fw.write(DxfGroup.toString(2, "HEADER")); |
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fw.write(DxfGroup.toString(9, "$ACADVER")); |
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fw.write(DxfGroup.toString(1, "AC1009")); |
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fw.write(DxfGroup.toString(9, "$CECOLOR")); |
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fw.write(DxfGroup.toString(62, 256)); |
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fw.write(DxfGroup.toString(9, "$CELTYPE")); |
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fw.write(DxfGroup.toString(6, "DUPLAN")); |
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fw.write(DxfGroup.toString(9, "$CLAYER")); |
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fw.write(DxfGroup.toString(8, 0)); |
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fw.write(DxfGroup.toString(9, "$ELEVATION")); |
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fw.write(DxfGroup.toString(40, 0.0, 3)); |
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fw.write(DxfGroup.toString(9, "$EXTMAX")); |
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fw.write(DxfGroup.toString(10, extent.maxX(), 6)); |
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fw.write(DxfGroup.toString(20, extent.maxX(), 6)); |
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//fw.write(DxfGroup.toString(30, envelope.getMaxX(), 6));
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fw.write(DxfGroup.toString(9, "$EXTMIN")); |
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fw.write(DxfGroup.toString(10, extent.minX(), 6)); |
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fw.write(DxfGroup.toString(20, extent.minX(), 6)); |
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//fw.write(DxfGroup.toString(30, envelope.getMaxX(), 6));
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fw.write(DxfGroup.toString(9, "$INSBASE")); |
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fw.write(DxfGroup.toString(10, 0.0, 1)); |
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fw.write(DxfGroup.toString(20, 0.0, 1)); |
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fw.write(DxfGroup.toString(30, 0.0, 1)); |
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fw.write(DxfGroup.toString(9, "$LIMCHECK")); |
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fw.write(DxfGroup.toString(70, 1)); |
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fw.write(DxfGroup.toString(9, "$LIMMAX")); |
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fw.write(DxfGroup.toString(10, extent.maxX(), 6)); |
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fw.write(DxfGroup.toString(20, extent.maxX(), 6)); |
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fw.write(DxfGroup.toString(9, "$LIMMIN")); |
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fw.write(DxfGroup.toString(10, extent.minX(), 6)); |
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fw.write(DxfGroup.toString(20, extent.minX(), 6)); |
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fw.write(DxfGroup.toString(9, "$LUNITS")); |
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fw.write(DxfGroup.toString(70, 2)); |
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fw.write(DxfGroup.toString(9, "$LUPREC")); |
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fw.write(DxfGroup.toString(70, 2)); |
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fw.write(DxfGroup.toString(0, "ENDSEC")); |
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} |
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public void writeSections(FileWriter fw) throws IOException { |
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writeTables(fw); |
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} |
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public void writeTables(FileWriter fw) throws IOException { |
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} |
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public void writeEntities(FileWriter fw) throws IOException { |
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} |
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public void reProject(ReProjection rp) { |
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System.out.println("Dxf: reproyectando ..."); |
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entityMaker.reProject(rp); |
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} |
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} |