1 files changed, 0 insertions, 267 deletions
diff --git a/src/wcps/server/servlet/WCPService.java b/src/wcps/server/servlet/WCPService.java
deleted file mode 100644
index 980b45d..0000000
--- a/src/wcps/server/servlet/WCPService.java
+++ /dev/null
@@ -1,267 +0,0 @@
-/*
- * This file is part of Petascope.
- *
- * Petascope is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as
- * published by the Free Software Foundation, either version 3 of
- * the License, or (at your option) any later version.
- *
- * Petascope is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with Petascope. If not, see <http://www.gnu.org/licenses/>.
- *
- * For more information please see <http://www.Petascope.org>
- * or contact Peter Baumann via <baumann@rasdaman.com>.
- *
- * Copyright 2009 Jacobs University Bremen, Peter Baumann.
- */
-
-package wcps.server.servlet;
-
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.StringBufferInputStream;
-import java.io.IOException;
-import java.io.OutputStream;
-import java.io.PrintWriter;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Properties;
-import javax.servlet.http.HttpServlet;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-import javax.servlet.ServletException;
-import org.apache.commons.fileupload.disk.DiskFileItemFactory;
-import org.apache.commons.fileupload.FileItem;
-import org.apache.commons.fileupload.servlet.ServletFileUpload;
-
-import wcps.server.core.CachedMetadataSource;
-import wcps.server.core.DbMetadataSource;
-import wcps.server.core.ProcessCoverageRequest;
-import wcps.server.core.WCPS;
-import syntaxParser.WCPSParser;
-import syntaxParser.WCPSScanner;
-import syntaxParser.WCPSRequest;
-import syntaxParser.SyntaxErrorException;
-import java.io.StringBufferInputStream;
-import org.xml.sax.InputSource;
-
-// This is the servlet interface of WCPS. It mostly consists of sanity checks ana initialization, the meat is onyl a few lines. The WCPS class does the actual work.
-
-// Note an important limitation: this will only return the first result if several are available. The reason is that WCPS currently has no standardized way to return multiple byte streams to the user.
-
-public class WCPService extends HttpServlet {
-
-    private static final long serialVersionUID = 84786549L;
-
-    private Properties dbParams;
-    private DbMetadataSource metadataSource;
-    private String rasdamanUrl;
-    private String rasdamanDatabase;
-    private WCPS wcps;
-
-    public void init() throws ServletException {
-
-        try {
-            dbParams = new Properties();
-            System.out.println ("WCPS: loading database properties");
-            dbParams.load( new FileInputStream( getServletContext().getRealPath( "/dbparams.properties" ) ) );
-            rasdamanUrl = dbParams.getProperty( "rasdaman_url" );
-            rasdamanDatabase = dbParams.getProperty( "rasdaman_database" );
-
-            System.out.println ("WCPS: initializing metadata database");
-            metadataSource = new DbMetadataSource( dbParams.getProperty( "metadata_driver" ), dbParams.getProperty( "metadata_url" ), dbParams.getProperty( "metadata_user" ), dbParams.getProperty( "metadata_pass" ), false );
-
-            System.out.println( "WCPS: initializing WCPS core" );
-            wcps = new WCPS( new File( getServletContext().getRealPath( "/xml/ogc/wcps/1.0.0/wcpsProcessCoverage.xsd" ) ), new CachedMetadataSource( metadataSource ) );
-
-            System.out.println( "WCPS: initialization complete" );
-        }
-        catch( Exception e ) {
-            System.out.println( "WCPS: initialization error" );
-            System.out.println( "WCPS: closing metadata database" );
-            if (metadataSource != null) {
-                metadataSource.close();
-            }
-            System.out.println( "WCPS: done with init error" );
-            throw new ServletException( "WCPS initialization error", e );
-        }
-
-    }
-
-    public void doGet( HttpServletRequest request, HttpServletResponse response ) throws ServletException, IOException {
-
-        System.out.println( "WCPS: invoked with GET" );
-        printUsage( response );
-
-    }
-
-    public void doPost (HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
-
-        System.out.println ("WCPS: invoked with POST");
-        OutputStream webOut = null;
-        try {
-            String xmlRequest = null;
-
-            if( ServletFileUpload.isMultipartContent( request ) ) {
-                @SuppressWarnings( "unchecked" ) Iterator<FileItem> fileItems = (Iterator<FileItem>) (new ServletFileUpload( new DiskFileItemFactory() )).parseRequest( request ).iterator();
-                if( !fileItems.hasNext() ) {
-                    throw new IOException( "Multipart POST request contains no parts" );
-                }
-                FileItem fileItem = fileItems.next();
-                if( fileItems.hasNext() ) {
-                    throw new IOException( "Multipart POST request contains too many parts" );
-                }
-                if( !fileItem.isFormField() && fileItem.getContentType().equals( "text/xml" ) ) {
-                    xmlRequest = fileItem.getString ();
-                }
-                if( xmlRequest == null ) {
-                    System.out.println ("WCPS: no XML file was uploaded within multipart POST request");
-                    printUsage( response );
-                    return;
-                }
-                System.out.println ("WCPS: received XML via a multipart POST request");
-            }
-
-            else {
-                String xml = request.getParameter( "xml" );
-                String query = request.getParameter( "query" );
-                if( xml != null ) {
-                    System.out.println( "WCPS: received XML via a 'xml' parameter in a POST request" );
-                    xmlRequest = xml;
-                }
-                else if( query != null ) {
-                    System.out.println( "WCPS: received the following  query via a 'query' parameter in a POST request:" );
-                    System.out.println( query );
-                    /* The JLex doesn't handle newlines well. 
-                       We consider them as whitespace anyway so we substitute them here.
-                     */
-                    query = query.replace('\n', ' ');
-                    query = query.replace('\r', ' ');
-                    query = query.replace('\t', ' ');
-                    log(query);
-                    // Initialize the parser
-                    WCPSParser parser = new WCPSParser(new WCPSScanner(new StringBufferInputStream(query)));
-                    try {
-                        WCPSRequest wcpsRequest = (WCPSRequest)parser.debug_parse().value;
-                        xmlRequest = wcpsRequest.toXML();
-                    } catch (SyntaxErrorException e) {
-                        FormatSyntaxException(e, response, query); 
-                        return;
-                    }
-                    System.out.println("The XML is: " + xmlRequest);
-                }
-                else {
-                    System.out.println( "WCPS: no request was received" );
-                    printUsage (response);
-                    return;
-                }
-            }
-            System.out.println( "WCPS: received the following request:" );
-            System.out.println( xmlRequest );
-
-            System.out.println( "WCPS: preparing request" );
-            ProcessCoverageRequest processCoverageRequest = wcps.pcPrepare(rasdamanUrl, rasdamanDatabase, new InputSource(new StringBufferInputStream(xmlRequest)));
-        System.out.println( "[" + processCoverageRequest.getMime() + "] " + processCoverageRequest.getQuery());
-            
-        String query = processCoverageRequest.getQuery();
-            log("Resulting RasQL query: " + query);
-            String mimetype = processCoverageRequest.getMime();
-            System.out.println( "WCPS: executing request" );
-
-            List<byte[]> results = processCoverageRequest.execute();
-
-            System.out.println( "WCPS: setting response mimetype to " + mimetype );
-            response.setContentType( mimetype );
-            System.out.println( "WCPS: returning response" );
-            webOut = response.getOutputStream();
-            webOut.write( results.get( 0 ) );
-            System.out.println( "WCPS: done" );
-        }
-        catch( Exception e ) {
-            printError( response, "Error: " + e.getMessage(), e );
-        }
-        finally {
-            if( webOut != null ) {
-                try {
-                    webOut.close();
-                }
-                catch( IOException e ) {}
-            }
-        }
-    }
-
-    public void destroy() {
-
-        super.destroy();
-
-    }
-
-    public String getServletInfo() {
-
-        return "Web Coverage Processing Service";
-
-    }
-
-    private void printError( HttpServletResponse response, String message, Exception e ) throws IOException {
-
-        System.out.println( "WCPS: error" );
-        System.out.println( "WCPS: setting response mimetype to text/html; charset=utf-8" );
-        response.setContentType( "text/html; charset=utf-8" );
-        System.out.println( "WCPS: returning the following error message" );
-        e.printStackTrace( System.out );
-        System.out.println( "WCPS: end of error message" );
-        PrintWriter out = new PrintWriter( response.getOutputStream() );
-        out.println( "<html><head><title>Web Coverage Processing Service</title></head><body>" );
-        out.println( "<h1>An error has occured</h1>" );
-        out.println( "<p>" + message + "</p>" );
-        out.println( "<p>Stack trace:<br/><small>" );
-        e.printStackTrace( out );
-        out.println( "</small></p></body></html>" );
-        out.close();
-        System.out.println( "WCPS: done with error" );
-
-    }
-
-    private void printUsage( HttpServletResponse response ) throws IOException {
-
-        System.out.println( "WCPS: setting response mimetype to text/html; charset=utf-8" );
-        System.out.println( "WCPS: returning usage message" );
-        response.setContentType( "text/html; charset=utf-8" );
-        PrintWriter out = new PrintWriter( response.getOutputStream() );
-        out.println( "<html><head><title>Web Coverage Processing Service</title></head><body>" );
-        out.println( "<h1>Hello</h1>" );
-        out.println( "<p>There are 3 ways to invoke this service:</p>" );
-        out.println( "<p>1. Upload a ProcessCoverage XML request as a multupart/form-data POST request containing a file. You can use the form below.</p>" );
-        out.println( "<form action=\"\" method=\"post\" enctype=\"multipart/form-data\"><input type=\"file\" accept=\"text/xml\" size=\"64\" name=\"xmlfile\"/> <input type=\"submit\" value=\"Send\"/></form>" );
-        out.println( "<p>2. Enter a ProcessCoverage XML request and submit it as a POST request with a parameter named <b>xml</b>. You can use the form below.</p>" );
-        out.println( "<form action=\"\" method=\"post\"><textarea cols=\"64\" rows=\"16\" name=\"xml\"></textarea><input type=\"submit\" value=\"Send\"/></form>" );
-        out.println( "<p>3. Enter a ProcessCoverage request in WCPS abstract syntax and submit it as a POST request with a parameter named <b>query</b>. You can use the form below.</p>" );
-        out.println( "<form action=\"\" method=\"post\"><textarea cols=\"64\" rows=\"4\" name=\"query\"></textarea><input type=\"submit\" value=\"Send\"/></form>" );
-        out.println( "</body></html>" );
-        out.close();
-        System.out.println( "WCPS: done nothing" );
-
-    }
-
-    void FormatSyntaxException(SyntaxErrorException e, 
-            HttpServletResponse response,
-            String query) throws IOException {
-//        response.setStatus(response.SC_INTERNAL_SERVER_ERROR);
-        response.setContentType("text/html; charset=utf-8");
-        PrintWriter o = new PrintWriter(response.getOutputStream());
-        o.println("<html><head><title>Web Coverage Processing Service</title></head><body>" );
-        o.println("<p>There seems to be a syntax problem with your query:</p>");
-        o.println("<p><font color='00FF00'>" + query.substring(0, e.getColumn()-1) + 
-                  "</font><font color='FF0000'>" + query.substring(e.getColumn()-1) +
-                  "</font></p>");
-        o.println("<p>Please correct it and try again.</p></body></html>");
-        o.close();
-        System.out.println( "WCPS: Syntax Error reported");
-    }
-
-}