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-rw-r--r--src/wcs/server/servlet/WCS.java277
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diff --git a/src/wcs/server/servlet/WCS.java b/src/wcs/server/servlet/WCS.java
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+++ b/src/wcs/server/servlet/WCS.java
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+package wcs.server.servlet;
+
+import wcs.server.core.*;
+import java.io.StringReader;
+import java.io.StringWriter;
+import javax.xml.bind.JAXBContext;
+import javax.xml.bind.Unmarshaller;
+import net.opengis.ows.v_1_0_0.ExceptionReport;
+import net.opengis.wcs.v_1_1_0.Capabilities;
+import net.opengis.wcs.v_1_1_0.CoverageDescriptions;
+import net.opengis.wcs.v_1_1_0.DescribeCoverage;
+import net.opengis.wcs.v_1_1_0.GetCapabilities;
+import net.opengis.wcs.v_1_1_0.GetCoverage;
+
+/**
+ * The Web Coverage Service (WCS)
+ * This class provides methods for each of the WCS operations:
+ * - GetCapabilities
+ * - DescribeCoverage
+ * - GetCoverage
+ *
+ * @author Andrei Aiordachioaie
+ */
+public class WCS {
+
+ private static Boolean ok;
+ private static Boolean printOutput;
+ private static Boolean printLog;
+ private static String metaDbPath;
+
+ /**
+ * Public minimal constructor
+ * @param metadataDbPath path to the "dbparams.properties" file
+ */
+ public WCS(String metadataDbPath)
+ {
+ printLog = true;
+ printOutput = true;
+ ok = true;
+ metaDbPath = metadataDbPath;
+ }
+
+ /**
+ * Record a log message
+ * @param msg Text of the message
+ */
+ public static void log(String msg)
+ {
+ if (printLog)
+ System.err.println(msg);
+ }
+
+ /**
+ * WCS GetCapabilities operation
+ */
+ public String GetCapabilities(String stringXml)
+ {
+ String output = "Default output. ";
+ String errmsg = "No error. ";
+ ok = false;
+
+ try
+ {
+ // read the input XML
+ log(">>> Reading the input XML file ... ");
+ JAXBContext context = JAXBContext.newInstance("net.opengis.wcs.v_1_1_0");
+ Unmarshaller unmarshaller = context.createUnmarshaller() ;
+ Object xml = unmarshaller.unmarshal(new StringReader(stringXml));
+ // Find out which class to execute ...
+ log(">>> It is a " + xml.getClass().getSimpleName() + " request.");
+
+ log(">>> Compiling data into XML format for GetCapabilities ... ");
+ GetCapabilities input = (GetCapabilities) xml;
+ Capabilities cap = new executeGetCapabilities(input,metaDbPath).get();
+
+ // Write the output
+ javax.xml.bind.JAXBContext jaxbCtx = javax.xml.bind.JAXBContext.newInstance(cap.getClass().getPackage().getName());
+ javax.xml.bind.Marshaller marshaller = jaxbCtx.createMarshaller();
+ marshaller.setProperty(javax.xml.bind.Marshaller.JAXB_ENCODING, "UTF-8"); //NOI18N
+ marshaller.setProperty(javax.xml.bind.Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);
+ StringWriter strWriter = new StringWriter();
+ marshaller.marshal(cap, strWriter);
+ output = strWriter.toString();
+ log(">>> Done! User has the GetCapabilities result !");
+ ok = true;
+
+
+ }
+ catch (javax.xml.bind.JAXBException ex) {
+ java.util.logging.Logger.getLogger("global").log(java.util.logging.Level.SEVERE, null, ex); //NOI18N
+ ex.printStackTrace();
+ errmsg = ex.toString();
+ log("ERROR 1 ");
+ }
+ catch (WCSException e)
+ {
+ log("*** GOT WCS EXCEPTION !");
+ ExceptionReport report = e.getReport();
+ try
+ {
+ javax.xml.bind.JAXBContext jaxbCtx = javax.xml.bind.JAXBContext.newInstance(report.getClass().getPackage().getName());
+ javax.xml.bind.Marshaller marshaller = jaxbCtx.createMarshaller();
+ marshaller.setProperty(javax.xml.bind.Marshaller.JAXB_ENCODING, "UTF-8"); //NOI18N
+ marshaller.setProperty(javax.xml.bind.Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);
+ marshaller.marshal(report, System.err);
+ StringWriter strWriter = new StringWriter();
+ marshaller.marshal(report, strWriter);
+ output = strWriter.toString();
+ ok = true;
+ log("Done with the Error Report !");
+ }
+ catch (Exception e2)
+ {
+ e2.printStackTrace();
+ errmsg = e2.toString();
+ log("ERROR 2");
+ }
+ }
+ catch (Exception e)
+ {
+ e.printStackTrace();
+ errmsg = e.toString();
+ log("ERROR 3");
+ }
+
+ if (ok == false)
+ output = errmsg;
+ if (printOutput)
+ System.out.println("*****************\nOUTPUT IS \n" + output);
+
+ return output;
+ }
+
+ /**
+ * WCS GetCoverage operation
+ */
+ public String GetCoverage(String stringXml)
+ {
+ String output = "Default output. ";
+ String errmsg = "No error. ";
+ ok = false;
+
+ try
+ {
+ // read the input XML
+ log(">>> Reading the input XML file ... ");
+ JAXBContext context = JAXBContext.newInstance("net.opengis.wcs.v_1_1_0");
+ Unmarshaller unmarshaller = context.createUnmarshaller() ;
+ Object xml = unmarshaller.unmarshal(new StringReader(stringXml));
+ log(">>> It is a " + xml.getClass().getSimpleName() + " request.");
+
+ //Convert the WCS into WCPS
+ log(">>> Converting to WCPS ... please wait");
+ GetCoverage wcs = (GetCoverage) xml;
+ ProcessCoverage wcps = new convertGetCoverage(wcs, metaDbPath).get();
+ // Write the output WCPS request
+ log(">>> Writing the WCPS XML request ...");
+ javax.xml.bind.JAXBContext jaxbCtx = javax.xml.bind.JAXBContext.newInstance(wcps.getClass().getPackage().getName());
+ javax.xml.bind.Marshaller marshaller = jaxbCtx.createMarshaller();
+ marshaller.setProperty(javax.xml.bind.Marshaller.JAXB_ENCODING, "UTF-8"); //NOI18N
+ marshaller.setProperty(javax.xml.bind.Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);
+ StringWriter strWriter = new StringWriter();
+ marshaller.marshal(wcps, strWriter);
+ output = strWriter.toString();
+ log(">>> Done! User has his WCPS request !");
+ ok = true;
+ }
+ catch (WCSException e)
+ {
+ ExceptionReport report = e.getReport();
+ try
+ {
+ javax.xml.bind.JAXBContext jaxbCtx = javax.xml.bind.JAXBContext.newInstance(report.getClass().getPackage().getName());
+ javax.xml.bind.Marshaller marshaller = jaxbCtx.createMarshaller();
+ marshaller.setProperty(javax.xml.bind.Marshaller.JAXB_ENCODING, "UTF-8"); //NOI18N
+ marshaller.setProperty(javax.xml.bind.Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);
+ marshaller.marshal(report, System.err);
+ StringWriter strWriter = new StringWriter();
+ marshaller.marshal(report, strWriter);
+ output = strWriter.toString();
+ ok = true;
+ log("Done with the Error Report !");
+ }
+ catch (Exception e2)
+ {
+ e2.printStackTrace();
+ errmsg = e2.toString();
+ log("ERROR 4");
+ }
+ }
+ catch (Exception e)
+ {
+ e.printStackTrace();
+ errmsg = e.toString();
+ log("ERROR 5");
+ }
+
+ if (ok == false)
+ output = errmsg;
+ if (printOutput)
+ System.out.println("*****************\nOUTPUT IS \n" + output);
+
+ return output;
+ }
+
+ /**
+ * WCS DescribeCoverage operation
+ */
+ public String DescribeCoverage(String stringXml)
+ {
+ String output = "Default output. ";
+ String errmsg = "No error. ";
+ ok = false;
+
+ try
+ {
+ // read the input XML
+ log(">>> Reading the input XML file ... ");
+ JAXBContext context = JAXBContext.newInstance("net.opengis.wcs.v_1_1_0");
+ Unmarshaller unmarshaller = context.createUnmarshaller() ;
+ Object xml = unmarshaller.unmarshal(new StringReader(stringXml));
+ log(">>> It is a " + xml.getClass().getSimpleName() + " request.");
+
+ log(">>> Querying the WCPS architecture for the details on this coverage ...");
+ DescribeCoverage input = (DescribeCoverage) xml;
+ CoverageDescriptions covs = new executeDescribeCoverage(input, metaDbPath).get();
+
+ // Write the output file
+ javax.xml.bind.JAXBContext jaxbCtx = javax.xml.bind.JAXBContext.newInstance(covs.getClass().getPackage().getName());
+ javax.xml.bind.Marshaller marshaller = jaxbCtx.createMarshaller();
+ marshaller.setProperty(javax.xml.bind.Marshaller.JAXB_ENCODING, "UTF-8"); //NOI18N
+ marshaller.setProperty(javax.xml.bind.Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);
+ StringWriter strWriter = new StringWriter();
+ marshaller.marshal(covs, strWriter);
+ output = strWriter.toString();
+ log(">>> Done! User has the DescribeCoverage result !");
+ ok = true;
+ }
+ catch (WCSException e)
+ {
+ ExceptionReport report = e.getReport();
+ try {
+ javax.xml.bind.JAXBContext jaxbCtx = javax.xml.bind.JAXBContext.newInstance(report.getClass().getPackage().getName());
+ javax.xml.bind.Marshaller marshaller = jaxbCtx.createMarshaller();
+ marshaller.setProperty(javax.xml.bind.Marshaller.JAXB_ENCODING, "UTF-8"); //NOI18N
+ marshaller.setProperty(javax.xml.bind.Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);
+ marshaller.marshal(report, System.err);
+ StringWriter strWriter = new StringWriter();
+ marshaller.marshal(report, strWriter);
+ output = strWriter.toString();
+ ok = true;
+ log("Done with the Error Report !");
+ }
+ catch (Exception e2)
+ {
+ e2.printStackTrace();
+ errmsg = e2.toString();
+ log("ERROR 6");
+ }
+ }
+ catch (Exception e)
+ {
+ e.printStackTrace();
+ errmsg = e.toString();
+ log("ERROR 7");
+ }
+
+
+ if (ok == false)
+ output = errmsg;
+ if (printOutput)
+ System.out.println("*****************\nOUTPUT IS \n" + output);
+
+ return output;
+ }
+
+}
generated by cgit (git 2.34.1) at 2026-03-25 12:39:21 +0000