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/*
* Copyright (c) 1998-2018 John Caron and University Corporation for Atmospheric Research/Unidata
* See LICENSE for license information.
*/
package ucar.nc2.util.xml;
import org.jdom2.Document;
import org.jdom2.Element;
import org.jdom2.JDOMException;
import org.jdom2.input.SAXBuilder;
import ucar.nc2.NetcdfFile;
import ucar.nc2.constants.FeatureType;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.List;
/**
* Read Runtime Configuration
*
*
*
*
*
*
* @author caron
*/
public class RuntimeConfigParser {
public static void read(InputStream is, StringBuilder errlog) throws IOException {
Document doc;
SAXBuilder saxBuilder = new SAXBuilder();
try {
doc = saxBuilder.build(is);
} catch (JDOMException e) {
throw new IOException(e.getMessage());
}
read(doc.getRootElement(), errlog);
}
public static void read(org.jdom2.Element root, StringBuilder errlog) {
List children = root.getChildren();
for (int i = 0; i < children.size(); i++) {
Element elem = (Element) children.get(i);
if (elem.getName().equals("ioServiceProvider")) {
String className = elem.getAttributeValue("class");
try {
ucar.nc2.NetcdfFile.registerIOProvider(className);
} catch (ClassNotFoundException e) {
errlog.append("CoordSysBuilder class not found= " + className + "; check your classpath\n");
} catch (Exception e) {
errlog.append("IOServiceProvider " + className + " failed= " + e.getMessage() + "\n");
}
} else if (elem.getName().equals("coordSysBuilder")) {
String conventionName = elem.getAttributeValue("convention");
String className = elem.getAttributeValue("class");
try {
ucar.nc2.dataset.CoordSysBuilder.registerConvention(conventionName, className);
} catch (ClassNotFoundException e) {
errlog.append("CoordSysBuilder class not found= " + className + "; check your classpath\n");
} catch (Exception e) {
errlog.append("CoordSysBuilder " + className + " failed= " + e.getMessage() + "\n");
}
} else if (elem.getName().equals("coordTransBuilder")) {
String transformName = elem.getAttributeValue("name");
String className = elem.getAttributeValue("class");
try {
ucar.nc2.dataset.CoordTransBuilder.registerTransform(transformName, className);
} catch (ClassNotFoundException e) {
errlog.append("CoordSysBuilder class not found= " + className + "; check your classpath\n");
} catch (Exception e) {
errlog.append("CoordTransBuilder " + className + " failed= " + e.getMessage() + "\n");
}
} else if (elem.getName().equals("featureDatasetFactory")) {
String typeName = elem.getAttributeValue("featureType");
String className = elem.getAttributeValue("class");
FeatureType featureType = FeatureType.valueOf(typeName.toUpperCase());
if (null == featureType) {
errlog.append("FeatureDatasetFactory " + className + " unknown datatype= " + typeName + "\n");
continue;
}
try {
boolean ok = ucar.nc2.ft.FeatureDatasetFactoryManager.registerFactory( featureType, className);
if (!ok)
errlog.append("FeatureDatasetFactory " + className + " failed\n");
} catch (Exception e) {
errlog.append("FeatureDatasetFactory " + className + " failed= " + e.getMessage() + "\n");
}
} else if (elem.getName().equals("gribParameterTable")) {
String editionS = elem.getAttributeValue("edition");
String centerS = elem.getAttributeValue("center");
String subcenterS = elem.getAttributeValue("subcenter");
String versionS = elem.getAttributeValue("version");
String filename = elem.getText();
if ((centerS == null) || (versionS == null) || (filename == null)) {
errlog.append("table element must center, version and filename attributes\n");
continue;
}
// Grib1ParamTables.addParameterTable(int center, int subcenter, int tableVersion, String filename) {
// use reflection to decouple from the grib package
try {
int center = Integer.parseInt(centerS);
int subcenter = (subcenterS == null) ? -1 : Integer.parseInt(subcenterS);
int version = Integer.parseInt(versionS);
// ucar.nc2.grib.grib1.tables.Grib1ParamTables.addParameterTable(int center, int subcenter, int tableVersion, String tableFilename)
Class c = RuntimeConfigParser.class.getClassLoader().loadClass("ucar.nc2.grib.grib1.tables.Grib1ParamTables");
Method m = c.getMethod("addParameterTable", int.class, int.class, int.class, String.class);
m.invoke(null, center, subcenter, version, filename);
} catch (Exception e) {
e.printStackTrace();
}
String strictS = elem.getAttributeValue("strict");
if (strictS != null) {
boolean notStrict = strictS.equalsIgnoreCase("false");
try {
Class c = RuntimeConfigParser.class.getClassLoader().loadClass("ucar.grib.grib1.tables.Grib1ParamTables");
Method m = c.getMethod("setStrict", boolean.class);
m.invoke(null, !notStrict);
} catch (Exception e) {
e.printStackTrace();
}
continue;
}
} else if (elem.getName().equals("gribParameterTableLookup")) {
String editionS = elem.getAttributeValue("edition");
String filename = elem.getText();
// ucar.nc2.grib.grib1.tables.Grib1ParamTables.addParameterTableLookup(String lookupFilename)
try {
Class c = RuntimeConfigParser.class.getClassLoader().loadClass("ucar.nc2.grib.grib1.tables.Grib1ParamTables");
Method m = c.getMethod("addParameterTableLookup", String.class);
m.invoke(null, filename);
} catch (Exception e) {
e.printStackTrace();
}
} else if (elem.getName().equals("table")) {
String type = elem.getAttributeValue("type");
String filename = elem.getAttributeValue("filename");
if ((type == null) || (filename == null)) {
errlog.append("table element must have both type and filename attributes\n");
continue;
}
try {
if (type.equalsIgnoreCase("GRIB1")) {
// ucar.grib.grib1.GribPDSParamTable.addParameterUserLookup( filename);
// use reflection instead to decouple from the grib package
try {
Class c = RuntimeConfigParser.class.getClassLoader().loadClass("ucar.grib.grib1.GribPDSParamTable");
Method m = c.getMethod("addParameterUserLookup", String.class);
m.invoke(null, filename);
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (NoSuchMethodException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
}
} else if (type.equalsIgnoreCase("GRIB2")) {
// ucar.grib.grib2.ParameterTable.addParametersUser( filename);
try {
Class c = RuntimeConfigParser.class.getClassLoader().loadClass(" ucar.grib.grib2.ParameterTable");
Method m = c.getMethod("addParametersUser", String.class);
m.invoke(null, filename);
} catch (Exception e) {
e.printStackTrace();
}
} else {
errlog.append("Unknown table type " + type + "\n");
continue;
}
} catch (Exception e) {
errlog.append("table read failed on " + filename + " = " + e.getMessage() + "\n");
}
} else if (elem.getName().equals("bufrtable")) {
String filename = elem.getAttributeValue("filename");
if (filename == null) {
errlog.append("bufrtable must have filename attribute\n");
continue;
}
// reflection is used to decouple optional jars
Class bufrTablesClass;
try {
bufrTablesClass = RuntimeConfigParser.class.getClassLoader().loadClass("ucar.nc2.iosp.bufr.tables.BufrTables"); // only load if bufr.jar is present
java.lang.Class[] params = new Class[1];
params[0] = String.class;
Method method = bufrTablesClass.getMethod("addLookupFile", params);
Object[] args = new Object[1];
args[0] = filename;
method.invoke(null, args); // static method has null for object
} catch (Throwable e) {
if (e instanceof FileNotFoundException)
errlog.append("bufrtable read failed on " + filename + " = " + e.getMessage() + "\n");
else
errlog.append("bufr.jar is not on classpath\n");
}
} else if (elem.getName().equals("Netcdf4Clibrary")) {
// cdm does not have a dependency on netcdf4 (and we don't want to introduce one),
// so we cannot refer to the Nc4Iosp.class object.
String nc4IospClassName = "ucar.nc2.jni.netcdf.Nc4Iosp";
/*
/usr/local/lib
netcdf
false
*/
String path = elem.getChildText("libraryPath");
String name = elem.getChildText("libraryName");
if (path != null && name != null) {
// reflection is used to decouple optional jars
try {
Class nc4IospClass = RuntimeConfigParser.class.getClassLoader().loadClass(nc4IospClassName);
Method method = nc4IospClass.getMethod("setLibraryAndPath", new Class[] {String.class, String.class});
method.invoke(null, path, name); // static method has null for object
} catch (Throwable e) {
errlog.append(nc4IospClassName + " is not on classpath\n");
}
}
boolean useForReading = Boolean.parseBoolean(elem.getChildText("useForReading"));
if (useForReading) {
try {
// Registers Nc4Iosp in front of all the other IOSPs already registered in NetcdfFile.().
// Crucially, this means that we'll try to open a file with Nc4Iosp before we try it with H5iosp.
NetcdfFile.registerIOProvider(nc4IospClassName);
} catch (IllegalAccessException | InstantiationException | ClassNotFoundException e) {
errlog.append(String.format("Could not register IOSP '%s': %s%n", nc4IospClassName, e.getMessage()));
}
}
}
}
}
}