root / trunk / libraries / libRemoteServices / src / org / gvsig / remoteClientOld / wms / ParserManager.java @ 3321
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package org.gvsig.remoteClientOld.wms; |
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import java.awt.geom.Rectangle2D; |
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import java.io.BufferedOutputStream; |
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import java.io.BufferedReader; |
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import java.io.DataOutputStream; |
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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.io.IOException; |
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import java.io.InputStream; |
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import java.io.Reader; |
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import java.io.StringReader; |
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import java.net.URL; |
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import java.util.Stack; |
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import java.util.TreeMap; |
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import org.gvsig.remoteClientOld.descriptor.Capabilities; |
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import org.gvsig.remoteClientOld.descriptor.Layer; |
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import org.gvsig.remoteClientOld.utils.CapabilitiesTags; |
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import org.gvsig.remoteClientOld.utils.DumbXMLParser; |
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public class ParserManager |
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{
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private final static int NOWHERE = 0x000; |
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private final static int INSERVICE = 0x001; |
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private final static int INCAPABILITY = 0x002; |
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private final static int INREQUEST = 0x004; |
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private final static int INGETCAPABILITIES = 0x008; |
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private final static int INGETMAP = 0x010; |
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private final static int INLAYER = 0x040; |
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private final static int INSTYLE = 0x080; |
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private final static int INBBOX = 0x100; |
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private final static int INABSTRACT = 0x400; |
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private final static int INEX_GeographicBoundingBox = 0x200; |
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private final static String LT="<", GT=">"; |
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private int where = NOWHERE; |
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private Stack layerStack = new Stack(); |
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private WMSLayer currentLayer = null; |
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private WMSStyle currentStyle = null; |
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private String savedLine = ""; |
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private DumbXMLParser parser = new DumbXMLParser(); |
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Capabilities capabilities; |
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double minX, minY, maxX, maxY;
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public File downloadFile(URL url, String fName) throws IOException |
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{
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File f = null; |
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f = new File(fName); |
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if (f.exists()) return f; |
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DataOutputStream dos = new DataOutputStream( new BufferedOutputStream(new FileOutputStream(f))); |
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byte[] buffer = new byte[1024*256]; |
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InputStream is = url.openStream();
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long readed = 0; |
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for (int i = is.read(buffer); i>0; i = is.read(buffer)){ |
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dos.write(buffer, 0, i);
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readed += i; |
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} |
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dos.close(); |
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return f;
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} |
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public Capabilities parseCapabilities(String caps) |
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{
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StringReader sr = new StringReader(caps); |
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return parseCapabilities(sr);
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} |
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public Capabilities parseCapabilities(Reader reader) |
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{
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capabilities = new Capabilities();
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String strBuf;
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int l=0; |
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BufferedReader brd;
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where = NOWHERE; |
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currentLayer = null;
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savedLine = "";
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try {
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brd = new BufferedReader(reader); |
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while ((strBuf = brd.readLine()) != null) { |
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l++; |
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parseLine((savedLine+" "+strBuf).trim());
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} |
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brd.close(); |
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System.out.println("Capabilities parseado. ("+l+" l?neas)."); |
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} catch (FileNotFoundException e) { |
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e.printStackTrace(); |
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} catch (Exception ie) { |
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System.err.println("ERROR."+l+"lineas leidas"); |
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ie.printStackTrace(); |
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} |
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return capabilities;
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} |
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private void parseLine(String l) |
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{
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String token = null; |
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if (l.length()>2 && l.substring(0,1).compareTo(LT) == 0) { |
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token = l.substring(1);//,l.indexOf(GT)); |
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if (l.indexOf(GT) < 0) { |
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savedLine = l; |
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return;
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} else
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savedLine = "";
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/* Parsing de los casos del tipo
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* <Style> <Name>all</Name> <Title>SRTM average reflectance, grayscale</Title> </Style> */
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// si hay m?s de dos tokens en la l?nea
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if (parser.countTokens(l) > 2) { |
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String t1 = parser.getToken(l,0); |
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String t2 = parser.getToken(l,1); |
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// si los dos primeros tokens no forman pareja
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if (t2.compareTo("/"+t1) != 0) { |
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//System.out.println(t1+"<>"+t2+" : "+l);
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int pos = l.indexOf(LT, 1); |
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parseLine(l.substring(0, pos).trim());
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parseLine(l.substring(pos).trim()); |
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return;
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// si los dos primeros tokens forman pareja
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} else {
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//System.out.println(t1+"=="+t2+" : "+l);
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int pos = l.indexOf(LT,
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l.indexOf(LT, 1)+1); |
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parseLine(l.substring(0, pos).trim());
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parseLine(l.substring(pos).trim()); |
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return;
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} |
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} |
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if (token.startsWith(CapabilitiesTags.CAPABILITIES_ROOT) ||
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token.startsWith("WMS_Capabilities")) {
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TreeMap pairs = parser.getPairs(l);
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capabilities.getServiceInformation().setVersion((String)pairs.get(CapabilitiesTags.VERSION));
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} else if (token.startsWith(CapabilitiesTags.SERVICE)) { |
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where |= INSERVICE; |
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} else if ((where & INSERVICE) == INSERVICE) { |
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parsingService(l,token); |
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} else if (token.startsWith(CapabilitiesTags.CAPABILITY)) { |
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where |= INCAPABILITY; |
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} else if ((where & INCAPABILITY) == INCAPABILITY) { |
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parsingCapability(l,token); |
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} |
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} |
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} |
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protected void parsingService(String l, String token) { |
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if (token.startsWith("/" +CapabilitiesTags.SERVICE)) { |
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where &= INSERVICE ^ 0xffff;
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} |
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} |
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protected void parsingCapability(String l, String token) { |
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if (token.startsWith("/"+ CapabilitiesTags.CAPABILITY)) { |
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where &= INCAPABILITY ^ 0xffff;
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} else if (token.startsWith(CapabilitiesTags.LAYER)) { |
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if ((where & INLAYER) != INLAYER)
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where |= INLAYER; |
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//layerNr++;
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Layer parentLayer = currentLayer; |
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if (currentLayer != null) { |
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layerStack.push(currentLayer); |
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//System.out.println("Eltos +:"+layerStack.size());
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for (int i=0; i<layerStack.size(); i++) |
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System.out.print("-"); |
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} |
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currentLayer = new WMSLayer();
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currentLayer.setParent(parentLayer); |
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//System.out.println("+Layer "+(layerNr)+":");
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} else if ((where & INLAYER) == INLAYER) { |
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parsingLayer(l,token); |
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} else if (token.startsWith(CapabilitiesTags.REQUEST)) { |
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where |= INREQUEST; |
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} else if ((where & INREQUEST) == INREQUEST) { |
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parsingRequest(l,token); |
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} |
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} |
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protected void parsingRequest(String l, String token) { |
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if (token.startsWith("/" + CapabilitiesTags.REQUEST)) { |
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where &= INREQUEST ^ 0xffff;
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} else if (token.startsWith(CapabilitiesTags.GETMAP)) { |
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where |= INGETMAP; |
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} else if ((where & INGETMAP) == INGETMAP) { |
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if (token.startsWith("/" + CapabilitiesTags.GETMAP)) { |
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where &= INGETMAP ^ 0xffff;
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} else if (token.startsWith(CapabilitiesTags.FORMAT)) { |
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capabilities.getServiceInformation().mapRequestInfo.formats.add(parser.getValue(l)); |
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//System.out.println("<Format>"+imageFormats.lastElement()+"</Format>");
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} |
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} |
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} |
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protected void parsingLayer(String l, String token) { |
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if (token.startsWith("/" + CapabilitiesTags.LAYER)) { |
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capabilities.getMapComposition().addLayer(currentLayer); |
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if (layerStack.empty()) {
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where &= INLAYER ^ 0xffff;
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currentLayer = null;
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} else {
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currentLayer = (WMSLayer) layerStack.pop(); |
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//System.out.println("Eltos -:"+layerStack.size());
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if (layerStack.empty())
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layerStack = new Stack(); |
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} |
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} else if (token.startsWith(CapabilitiesTags.STYLE)) { |
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where |= INSTYLE; |
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currentStyle = new WMSStyle();
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System.out.println(" Style"); |
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} else if ((where & INSTYLE) == INSTYLE) { |
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parsingStyle(l,token); |
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} else if (token.startsWith(CapabilitiesTags.DIMENSION)) { |
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TreeMap pairs = parser.getPairs(l);
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WMSDimension t = new WMSDimension();
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t.setName(CapabilitiesTags.DIMENSION_NAME); |
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t.setUnits((String) pairs.get(CapabilitiesTags.DIMENSION_UNITS));
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t.setDefault((String) pairs.get(CapabilitiesTags.DIMENSION_DEFAULT));
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t.setValue(parser.getValue(l)); |
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currentLayer.setProperty(t.getName(), t); |
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System.out.println(" "+t.toXML()); |
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} else if (token.startsWith(CapabilitiesTags.NAME)) { |
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currentLayer.setName(parser.getValue(l)); |
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System.out.println(" Name='"+currentLayer.getName()+"'"); |
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} else if (token.startsWith(CapabilitiesTags.TITLE)) { |
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currentLayer.setTitle(parser.getValue(l)); |
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System.out.println(" Title='"+currentLayer.getTitle()+"'"); |
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} else if (token.startsWith(CapabilitiesTags.BOUNDINGBOX)) { |
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TreeMap pairs = parser.getPairs(l);
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Rectangle2D bBox = parser.getBoundingBox(pairs);
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String srs = null; |
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if (pairs.containsKey(CapabilitiesTags.CRS))
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srs = (String) pairs.get(CapabilitiesTags.CRS);
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else if (pairs.containsKey(CapabilitiesTags.SRS)) |
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srs = (String) pairs.get(CapabilitiesTags.SRS);
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if (srs != null) { |
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currentLayer.setLatLonBoundingBox(bBox);//.addBoundingBox(srs, bBox);
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System.out.println(" Bbox("+srs+")='"+currentLayer.getLatLonBoundingBox()+"'"); |
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} |
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} else if (token.startsWith(CapabilitiesTags.LATLONBOUNDINGBOX)) { |
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currentLayer.setLatLonBoundingBox( |
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parser.getBoundingBox(l)); |
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System.out.println(" LLBbox='"+currentLayer.getLatLonBoundingBox()+"'"); |
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} else if (token.startsWith("EX_GeographicBoundingBox")) { |
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where |= INEX_GeographicBoundingBox; |
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} else if ((where & INEX_GeographicBoundingBox) == INEX_GeographicBoundingBox) { |
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if (token.startsWith("/EX_GeographicBoundingBox")) { |
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where &= INEX_GeographicBoundingBox ^ 0xffff;
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currentLayer.setLatLonBoundingBox( |
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new Rectangle2D.Double(minX, minY, maxX-minX,maxY-minY)); |
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System.out.println(" LLBbox='"+currentLayer.getLatLonBoundingBox()+"'"); |
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} else if (token.startsWith("westBoundLongitude")) { |
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minX = parser.getValueDouble(l); |
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} else if (token.startsWith("southBoundLatitude")) { |
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minY = parser.getValueDouble(l); |
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} else if (token.startsWith("eastBoundLongitude")) { |
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maxX = parser.getValueDouble(l); |
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} else if (token.startsWith("northBoundLatitude")) { |
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maxY = parser.getValueDouble(l); |
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} |
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} |
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} |
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protected void parsingStyle(String l, String token){ |
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if (token.startsWith("/" + CapabilitiesTags.STYLE)) { |
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where &= INSTYLE ^ 0xffff;
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currentLayer.addStyle(currentStyle); |
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currentStyle = null;
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} else if (token.startsWith(CapabilitiesTags.NAME)) { |
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currentStyle.setName(parser.getValue(l)); |
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System.out.println(" Name='"+currentStyle.getName()+"'"); |
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} else if (token.startsWith(CapabilitiesTags.TITLE)) { |
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currentStyle.setTitle(parser.getValue(l)); |
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System.out.println(" Title='"+currentStyle.getTitle()+"'"); |
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currentLayer.addStyle(currentStyle); |
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} |
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} |
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//------------------------------------------------------------------
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// -------------- Inner class to mover out!!!!???? ----------------
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//------------------------------------------------------------------
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public static class WMSDimension { |
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private String name; |
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private String units; |
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private String def; |
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private String value; |
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/**
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* @return Returns the def.
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*/
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public String getDefault() { |
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return def;
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} |
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/**
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* @param def The def to set.
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*/
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public void setDefault(String def) { |
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this.def = def;
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} |
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/**
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* @return Returns the units.
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*/
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public String getUnits() { |
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return units;
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} |
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/**
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* @param units The units to set.
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*/
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public void setUnits(String units) { |
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this.units = units;
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} |
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/**
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* @return Returns the value.
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*/
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public String getValue() { |
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return value;
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} |
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/**
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* @param value The value to set.
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*/
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public void setValue(String value) { |
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this.value = value;
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} |
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/**
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* @return Returns the name.
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*/
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public String getName() { |
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return name;
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} |
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/**
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* @param name The name to set.
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*/
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public void setName(String name) { |
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this.name = name;
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} |
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public String toXML() { |
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return "<Dimension name=\"" + name + |
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"\" units=\""+units+
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"\" default=\""+def+
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"\">"+value+
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"</Dimension>";
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} |
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} |
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} |