X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=org.argeo.app.servlet.publish%2Fsrc%2Forg%2Fargeo%2Fapp%2Fservlet%2Fpublish%2FGeoToSvgServlet.java;fp=org.argeo.app.servlet.publish%2Fsrc%2Forg%2Fargeo%2Fapp%2Fservlet%2Fpublish%2FGeoToSvgServlet.java;h=c22b8340733f993b1b6355016b715a94445a7ea6;hb=facc74e96dab06f75930bbcddecb586979fc3a7a;hp=0000000000000000000000000000000000000000;hpb=1b204a37538bb3d35c9c7162bab20c2c0d931f6e;p=gpl%2Fargeo-suite.git diff --git a/org.argeo.app.servlet.publish/src/org/argeo/app/servlet/publish/GeoToSvgServlet.java b/org.argeo.app.servlet.publish/src/org/argeo/app/servlet/publish/GeoToSvgServlet.java new file mode 100644 index 0000000..c22b834 --- /dev/null +++ b/org.argeo.app.servlet.publish/src/org/argeo/app/servlet/publish/GeoToSvgServlet.java @@ -0,0 +1,67 @@ +package org.argeo.app.servlet.publish; + +import java.io.IOException; +import java.io.InputStream; +import java.net.URLDecoder; +import java.nio.charset.StandardCharsets; +import java.util.Map; + +import javax.servlet.ServletException; +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + +import org.argeo.api.acr.Content; +import org.argeo.api.acr.ContentRepository; +import org.argeo.api.acr.ContentSession; +import org.argeo.app.geo.GeoUtils; +import org.argeo.app.geo.GpxUtils; +import org.argeo.cms.auth.RemoteAuthUtils; +import org.argeo.cms.servlet.ServletHttpRequest; +import org.geotools.data.collection.ListFeatureCollection; +import org.geotools.data.simple.SimpleFeatureCollection; +import org.opengis.feature.simple.SimpleFeature; + +/** + * A servlet transforming an geographical data to SVG. + */ +public class GeoToSvgServlet extends HttpServlet { + private static final long serialVersionUID = -6346379324580671894L; + private ContentRepository contentRepository; + + @Override + protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { + String servletPath = req.getServletPath(); + + servletPath = servletPath.substring(1, servletPath.lastIndexOf('.')); + servletPath = servletPath.substring(servletPath.indexOf('/'), servletPath.length()); + String path = URLDecoder.decode(servletPath, StandardCharsets.UTF_8); + String ext = servletPath.substring(path.lastIndexOf('.')); + + resp.setContentType("image/svg+xml"); + + ContentSession session = RemoteAuthUtils.doAs(() -> contentRepository.get(), new ServletHttpRequest(req)); + Content content = session.get(path); + if (".gpx".equals(ext)) { + try (InputStream in = content.open(InputStream.class)) { + SimpleFeature field = GpxUtils.parseGpxToPolygon(in); + + SimpleFeatureCollection features = new ListFeatureCollection(field.getType(), field); + GeoUtils.exportToSvg(features, resp.getWriter(), 100, 100); +// log.debug("SVG:\n" + writer.toString() + "\n"); + } + } + } + + public void start(Map properties) { + } + + public void stop(Map properties) { + + } + + public void setContentRepository(ContentRepository contentRepository) { + this.contentRepository = contentRepository; + } + +}