ingo@2806: package de.intevation.flys.importer.parsers;
ingo@2806: 
ingo@2806: import java.io.File;
ingo@2806: 
ingo@2808: import java.math.BigDecimal;
ingo@2808: 
ingo@2808: import java.text.NumberFormat;
ingo@2808: import java.text.ParseException;
ingo@2808: 
ingo@2808: import java.util.ArrayList;
ingo@2806: import java.util.List;
ingo@2808: import java.util.Locale;
ingo@2808: 
ingo@2808: import java.util.regex.Matcher;
ingo@2808: import java.util.regex.Pattern;
ingo@2806: 
ingo@2806: import java.io.IOException;
ingo@2806: import java.io.LineNumberReader;
ingo@2806: import java.io.FileInputStream;
ingo@2806: import java.io.InputStreamReader;
ingo@2806: 
ingo@2806: import org.apache.log4j.Logger;
ingo@2806: 
ingo@2806: import de.intevation.flys.importer.ImportBedHeightSingle;
ingo@2808: import de.intevation.flys.importer.ImportBedHeightSingleValue;
ingo@2808: import de.intevation.flys.importer.ImportBedHeightType;
ingo@2808: import de.intevation.flys.importer.ImportElevationModel;
ingo@2808: import de.intevation.flys.importer.ImportLocationSystem;
ingo@2808: import de.intevation.flys.importer.ImportRange;
ingo@2808: import de.intevation.flys.importer.ImportUnit;
ingo@2806: 
ingo@2806: 
ingo@2806: public class BedHeightSingleParser {
ingo@2806: 
ingo@2806:     public static final String ENCODING = "ISO-8859-1";
ingo@2806: 
ingo@2808:     public static final Locale DEFAULT_LOCALE = Locale.GERMAN;
ingo@2808: 
ingo@2808:     public static final String START_META_CHAR = "#";
ingo@2808:     public static final String SEPERATOR_CHAR  = ";";
ingo@2808: 
ingo@2808:     public static final Pattern META_YEAR =
ingo@2808:         Pattern.compile("^Jahr: (\\d*).*");
ingo@2808: 
ingo@2808:     public static final Pattern META_TYPE =
ingo@2808:         Pattern.compile("^Aufnahmeart: (.*).*");
ingo@2808: 
ingo@2808:     public static final Pattern META_LOCATION_SYSTEM =
ingo@2808:         Pattern.compile("^Lagesystem: (.*).*");
ingo@2808: 
ingo@2808:     public static final Pattern META_CUR_ELEVATION_SYSTEM =
ingo@2808:         Pattern.compile("^H.hensystem:\\s(\\w++) (.* )??\\[(.*)\\].*");
ingo@2808: 
ingo@2808:     public static final Pattern META_OLD_ELEVATION_SYSTEM =
ingo@2808:         Pattern.compile("^urspr.ngliches H.hensystem:\\s(\\w++) (.* )??\\[(.*)\\].*");
ingo@2808: 
ingo@2808:     public static final Pattern META_SOUNDING_WIDTH =
ingo@2808:         Pattern.compile("^ausgewertete Peilbreite: (\\d*).*");
ingo@2808: 
ingo@2808:     public static final Pattern META_RANGE =
ingo@2808:         Pattern.compile("^Strecke:\\D*(\\d++.\\d*)-(\\d++.\\d*).*");
ingo@2808: 
ingo@2808:     public static final Pattern META_EVALUATION_BY =
ingo@2808:         Pattern.compile("^Auswerter: (.*).*");
ingo@2808: 
ingo@2808:     public static final Pattern META_COMMENTS =
ingo@2808:         Pattern.compile("^Weitere Bemerkungen: (.*).*");
ingo@2806: 
ingo@2806:     private static final Logger log =
ingo@2806:         Logger.getLogger(BedHeightSingleParser.class);
ingo@2806: 
ingo@2806: 
ingo@2808:     protected static NumberFormat nf = NumberFormat.getInstance(DEFAULT_LOCALE);
ingo@2808: 
ingo@2808: 
ingo@2806:     protected List<ImportBedHeightSingle> bedHeights;
ingo@2806: 
ingo@2806: 
ingo@2806:     public BedHeightSingleParser() {
ingo@2806:         bedHeights = new ArrayList<ImportBedHeightSingle>();
ingo@2806:     }
ingo@2806: 
ingo@2806: 
ingo@2806:     public List<ImportBedHeightSingle> getBedHeights() {
ingo@2806:         return bedHeights;
ingo@2806:     }
ingo@2806: 
ingo@2806: 
ingo@2806:     public void parse(File file) throws IOException {
ingo@2806:         log.info("Parsing bed height single file '" + file + "'");
ingo@2806: 
ingo@2808:         ImportBedHeightSingle obj = new ImportBedHeightSingle(file.getName());
ingo@2808: 
ingo@2806:         LineNumberReader in = null;
ingo@2806:         try {
ingo@2806:             in =
ingo@2806:                 new LineNumberReader(
ingo@2806:                 new InputStreamReader(
ingo@2806:                 new FileInputStream(file), ENCODING));
ingo@2806: 
ingo@2806:             String line = null;
ingo@2806:             while ((line = in.readLine()) != null) {
ingo@2806:                 if ((line = line.trim()).length() == 0) {
ingo@2806:                     continue;
ingo@2806:                 }
ingo@2808: 
ingo@2808:                 if (line.startsWith(START_META_CHAR)) {
ingo@2808:                     handleMetaLine(obj, line);
ingo@2808:                 }
ingo@2808:                 else {
ingo@2808:                     handleDataLine(obj, line);
ingo@2808:                 }
ingo@2806:             }
ingo@2806:         }
ingo@2806:         finally {
ingo@2806:             if (in != null) {
ingo@2806:                 in.close();
ingo@2806:             }
ingo@2806:         }
ingo@2806:     }
ingo@2808: 
ingo@2808: 
ingo@2808:     protected void handleMetaLine(ImportBedHeightSingle obj, String line) {
ingo@2808:         String meta = stripMetaLine(line);
ingo@2808: 
ingo@2808:         if (handleMetaYear(obj, meta)) {
ingo@2808:             return;
ingo@2808:         }
ingo@2808:         else if (handleMetaSoundingWidth(obj, meta)) {
ingo@2808:             return;
ingo@2808:         }
ingo@2808:         else if (handleMetaComment(obj, meta)) {
ingo@2808:             return;
ingo@2808:         }
ingo@2808:         else if (handleMetaEvaluationBy(obj, meta)) {
ingo@2808:             return;
ingo@2808:         }
ingo@2808:         else if (handleMetaRange(obj, meta)) {
ingo@2808:             return;
ingo@2808:         }
ingo@2808:         else if (handleMetaType(obj, meta)) {
ingo@2808:             return;
ingo@2808:         }
ingo@2808:         else if (handleMetaLocationSystem(obj, meta)) {
ingo@2808:             return;
ingo@2808:         }
ingo@2808:         else if (handleMetaCurElevationModel(obj, meta)) {
ingo@2808:             return;
ingo@2808:         }
ingo@2808:         else if (handleMetaOldElevationModel(obj, meta)) {
ingo@2808:             return;
ingo@2808:         }
ingo@2808:         else {
ingo@2808:             log.warn("Meta line did not match any known type: " + line);
ingo@2808:         }
ingo@2808:     }
ingo@2808: 
ingo@2808: 
ingo@2808:     protected boolean handleMetaYear(ImportBedHeightSingle obj, String line) {
ingo@2808:         Matcher m = META_YEAR.matcher(line);
ingo@2808: 
ingo@2808:         if (m.matches()) {
ingo@2808:             String tmp = m.group(1);
ingo@2808: 
ingo@2808:             try {
ingo@2808:                 obj.setYear(Integer.valueOf(tmp));
ingo@2808:                 return true;
ingo@2808:             }
ingo@2808:             catch (NumberFormatException e) {
ingo@2808:                 log.warn("Error while parsing year!", e);
ingo@2808:             }
ingo@2808:         }
ingo@2808: 
ingo@2808:         return false;
ingo@2808:     }
ingo@2808: 
ingo@2808: 
ingo@2808:     protected boolean handleMetaSoundingWidth(ImportBedHeightSingle obj, String line) {
ingo@2808:         Matcher m = META_SOUNDING_WIDTH.matcher(line);
ingo@2808: 
ingo@2808:         if (m.matches()) {
ingo@2808:             String tmp = m.group(1);
ingo@2808: 
ingo@2808:             try {
ingo@2808:                 obj.setSoundingWidth(Integer.valueOf(tmp));
ingo@2808:                 return true;
ingo@2808:             }
ingo@2808:             catch (NumberFormatException e) {
ingo@2808:                 log.warn("Error while parsing sounding width!", e);
ingo@2808:             }
ingo@2808:         }
ingo@2808: 
ingo@2808:         return false;
ingo@2808:     }
ingo@2808: 
ingo@2808: 
ingo@2808:     protected boolean handleMetaComment(ImportBedHeightSingle obj, String line) {
ingo@2808:         Matcher m = META_COMMENTS.matcher(line);
ingo@2808: 
ingo@2808:         if (m.matches()) {
ingo@2808:             String tmp = m.group(1);
ingo@2808: 
ingo@2808:             obj.setDescription(tmp);
ingo@2808: 
ingo@2808:             return true;
ingo@2808:         }
ingo@2808: 
ingo@2808:         return false;
ingo@2808:     }
ingo@2808: 
ingo@2808: 
ingo@2808:     protected boolean handleMetaEvaluationBy(
ingo@2808:         ImportBedHeightSingle obj,
ingo@2808:         String                line
ingo@2808:     ) {
ingo@2808:         Matcher m = META_EVALUATION_BY.matcher(line);
ingo@2808: 
ingo@2808:         if (m.matches()) {
ingo@2808:             String tmp = m.group(1);
ingo@2808:             tmp = tmp.replace(";", "");
ingo@2808: 
ingo@2808:             obj.setEvaluationBy(tmp);
ingo@2808: 
ingo@2808:             return true;
ingo@2808:         }
ingo@2808: 
ingo@2808:         return false;
ingo@2808:     }
ingo@2808: 
ingo@2808: 
ingo@2808:     protected boolean handleMetaRange(ImportBedHeightSingle obj, String line) {
ingo@2808:         Matcher m = META_RANGE.matcher(line);
ingo@2808: 
ingo@2808:         if (m.matches() && m.groupCount() >= 2) {
ingo@2808:             String a = m.group(1).replace(";", "");
ingo@2808:             String b = m.group(2).replace(";", "");
ingo@2808: 
ingo@2808:             try {
ingo@2808:                 BigDecimal lower = new BigDecimal(nf.parse(a).doubleValue());
ingo@2808:                 BigDecimal upper = new BigDecimal(nf.parse(b).doubleValue());
ingo@2808: 
ingo@2808:                 obj.setRange(new ImportRange(lower, upper));
ingo@2808: 
ingo@2808:                 return true;
ingo@2808:             }
ingo@2808:             catch (ParseException e) {
ingo@2808:                 log.warn("Error while parsing range!", e);
ingo@2808:             }
ingo@2808:         }
ingo@2808: 
ingo@2808:         return false;
ingo@2808:     }
ingo@2808: 
ingo@2808: 
ingo@2808:     protected boolean handleMetaType(ImportBedHeightSingle obj, String line) {
ingo@2808:         Matcher m = META_TYPE.matcher(line);
ingo@2808: 
ingo@2808:         if (m.matches()) {
ingo@2808:             String tmp = m.group(1).replace(";", "");
ingo@2808: 
ingo@2808:             obj.setType(new ImportBedHeightType(
ingo@2808:                 ImportBedHeightType.getBedHeightName(tmp),
ingo@2808:                 tmp));
ingo@2808: 
ingo@2808:             return true;
ingo@2808:         }
ingo@2808: 
ingo@2808:         return false;
ingo@2808:     }
ingo@2808: 
ingo@2808: 
ingo@2808:     protected boolean handleMetaLocationSystem(
ingo@2808:         ImportBedHeightSingle obj,
ingo@2808:         String                line
ingo@2808:     ) {
ingo@2808:         Matcher m = META_LOCATION_SYSTEM.matcher(line);
ingo@2808: 
ingo@2808:         if (m.matches()) {
ingo@2808:             String tmp = m.group(1).replace(";", "");
ingo@2808: 
ingo@2808:             obj.setLocationSystem(new ImportLocationSystem(tmp, tmp));
ingo@2808: 
ingo@2808:             return true;
ingo@2808:         }
ingo@2808: 
ingo@2808:         return false;
ingo@2808:     }
ingo@2808: 
ingo@2808: 
ingo@2808:     protected boolean handleMetaCurElevationModel(
ingo@2808:         ImportBedHeightSingle obj,
ingo@2808:         String                line
ingo@2808:     ) {
ingo@2808:         Matcher m = META_CUR_ELEVATION_SYSTEM.matcher(line);
ingo@2808: 
ingo@2808:         if (m.matches()) {
ingo@2808:             String name = m.group(1);
ingo@2808:             String num  = m.group(2);
ingo@2808:             String unit = m.group(3);
ingo@2808: 
ingo@2808:             obj.setCurElevationModel(new ImportElevationModel(
ingo@2808:                 name + " " + num,
ingo@2808:                 new ImportUnit(unit)
ingo@2808:             ));
ingo@2808: 
ingo@2808:             return true;
ingo@2808:         }
ingo@2808: 
ingo@2808:         return false;
ingo@2808:     }
ingo@2808: 
ingo@2808: 
ingo@2808:     protected boolean handleMetaOldElevationModel(
ingo@2808:         ImportBedHeightSingle obj,
ingo@2808:         String                line
ingo@2808:     ) {
ingo@2808:         Matcher m = META_OLD_ELEVATION_SYSTEM.matcher(line);
ingo@2808: 
ingo@2808:         if (m.matches()) {
ingo@2808:             String name = m.group(1);
ingo@2808:             String num  = m.group(2);
ingo@2808:             String unit = m.group(3);
ingo@2808: 
ingo@2808:             obj.setOldElevationModel(new ImportElevationModel(
ingo@2808:                 name + " " + num,
ingo@2808:                 new ImportUnit(unit)
ingo@2808:             ));
ingo@2808: 
ingo@2808:             return true;
ingo@2808:         }
ingo@2808: 
ingo@2808:         return false;
ingo@2808:     }
ingo@2808: 
ingo@2808: 
ingo@2808:     protected void handleDataLine(ImportBedHeightSingle obj, String line) {
ingo@2808:         log.debug("Handle data line: '" + line + "'");
ingo@2808: 
ingo@2808:         String[] values = line.split(SEPERATOR_CHAR);
ingo@2808: 
ingo@2808:         if (values == null || values.length < 6) {
ingo@2808:             log.warn("Error while parsing data line: '" + line + "'");
ingo@2808:             return;
ingo@2808:         }
ingo@2808: 
ingo@2808: 
ingo@2808:         try {
ingo@2808:             ImportBedHeightSingleValue value = new ImportBedHeightSingleValue(
ingo@2808:                 obj,
ingo@2808:                 new BigDecimal(nf.parse(values[0]).doubleValue()),
ingo@2808:                 new BigDecimal(nf.parse(values[1]).doubleValue()),
ingo@2808:                 new BigDecimal(nf.parse(values[2]).doubleValue()),
ingo@2808:                 new BigDecimal(nf.parse(values[3]).doubleValue()),
ingo@2808:                 new BigDecimal(nf.parse(values[4]).doubleValue()),
ingo@2808:                 new BigDecimal(nf.parse(values[5]).doubleValue())
ingo@2808:             );
ingo@2808: 
ingo@2808:             obj.addValue(value);
ingo@2808:         }
ingo@2808:         catch (ParseException e) {
ingo@2808:             log.warn("Error while parsing data row.", e);
ingo@2808:         }
ingo@2808:     }
ingo@2808: 
ingo@2808: 
ingo@2808:     protected static String stripMetaLine(String line) {
ingo@2808:         String tmp = line.substring(1, line.length()-1);
ingo@2808: 
ingo@2808:         if (tmp.startsWith(" ")) {
ingo@2808:             return tmp.substring(1, tmp.length()-1);
ingo@2808:         }
ingo@2808:         else {
ingo@2808:             return tmp;
ingo@2808:         }
ingo@2808:     }
ingo@2806: }
ingo@2806: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :