Source Code Cross Referenced for Command.java in  » GIS » GeoTools-2.4.1 » org » geotools » referencing » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » GIS » GeoTools 2.4.1 » org.geotools.referencing 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         *    GeoTools - OpenSource mapping toolkit
003:         *    http://geotools.org
004:         *    (C) 2005-2006, GeoTools Project Managment Committee (PMC)
005:         *    (C) 2001, Institut de Recherche pour le Développement
006:         *   
007:         *    This library is free software; you can redistribute it and/or
008:         *    modify it under the terms of the GNU Lesser General Public
009:         *    License as published by the Free Software Foundation;
010:         *    version 2.1 of the License.
011:         *
012:         *    This library is distributed in the hope that it will be useful,
013:         *    but WITHOUT ANY WARRANTY; without even the implied warranty of
014:         *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
015:         *    Lesser General Public License for more details.
016:         */
017:        package org.geotools.referencing;
018:
019:        // J2SE dependencies
020:        import java.util.Locale;
021:        import java.util.Set;
022:        import java.util.Arrays;
023:        import java.util.HashSet;
024:        import java.util.Iterator;
025:        import java.io.PrintWriter;
026:        import java.io.IOException;
027:        import java.text.NumberFormat;
028:
029:        // OpenGIS dependencies
030:        import org.opengis.util.InternationalString;
031:        import org.opengis.metadata.citation.Citation;
032:        import org.opengis.referencing.IdentifiedObject;
033:        import org.opengis.referencing.AuthorityFactory;
034:        import org.opengis.referencing.FactoryException;
035:        import org.opengis.referencing.NoSuchAuthorityCodeException;
036:        import org.opengis.referencing.crs.CRSAuthorityFactory;
037:        import org.opengis.referencing.crs.CoordinateReferenceSystem;
038:        import org.opengis.referencing.operation.CoordinateOperation;
039:        import org.opengis.referencing.operation.CoordinateOperationFactory;
040:        import org.opengis.referencing.operation.OperationNotFoundException;
041:        import org.opengis.referencing.operation.CoordinateOperationAuthorityFactory;
042:
043:        // Geotools dependencies
044:        import org.geotools.factory.Hints;
045:        import org.geotools.io.TableWriter;
046:        import org.geotools.referencing.wkt.Parser;
047:        import org.geotools.referencing.datum.BursaWolfParameters;
048:        import org.geotools.referencing.datum.DefaultGeodeticDatum;
049:        import org.geotools.referencing.factory.AbstractAuthorityFactory;
050:        import org.geotools.referencing.factory.FactoryDependencies;
051:        import org.geotools.resources.Arguments;
052:        import org.geotools.resources.CRSUtilities;
053:        import org.geotools.resources.i18n.Errors;
054:        import org.geotools.resources.i18n.ErrorKeys;
055:        import org.geotools.resources.i18n.Vocabulary;
056:        import org.geotools.resources.i18n.VocabularyKeys;
057:
058:        /**
059:         * Implementation of the {@link CRS#main} method. Exists as a separated class in order
060:         * to reduce the class loading for applications that don't want to run this main method.
061:         *
062:         * @source $URL: http://svn.geotools.org/geotools/tags/2.4.1/modules/library/referencing/src/main/java/org/geotools/referencing/Command.java $
063:         * @version $Id: Command.java 25477 2007-05-10 13:01:00Z desruisseaux $
064:         * @author Martin Desruisseaux
065:         */
066:        final class Command {
067:            /**
068:             * The hints for the factory to fetch. Null for now, but may be different in a future version.
069:             */
070:            private static final Hints HINTS = null;
071:
072:            /**
073:             * The authority factory.
074:             */
075:            private final AuthorityFactory factory;
076:
077:            /**
078:             * The object to use for formatting objects.
079:             */
080:            private final Parser formatter;
081:
082:            /**
083:             * Creates an instance of the specified authority.
084:             */
085:            private Command(final String authority) {
086:                factory = (authority == null) ? CRS.getAuthorityFactory(false)
087:                        : ReferencingFactoryFinder.getCRSAuthorityFactory(
088:                                authority, HINTS);
089:                formatter = new Parser();
090:            }
091:
092:            /**
093:             * The separator to put between WKT.
094:             */
095:            private static char[] getSeparator() {
096:                final char[] separator = new char[79];
097:                Arrays.fill(separator, '\u2500');
098:                return separator;
099:            }
100:
101:            /**
102:             * Prints usage.
103:             */
104:            private static void help(final PrintWriter out) {
105:                out
106:                        .println("Display informations about CRS identified by authority codes.");
107:                out
108:                        .println("Usage: java org.geotools.referencing.CRS [options] [codes]");
109:                out.println("Options:");
110:                out
111:                        .println(" -authority=ARG : Uses the specified authority factory (default to all).");
112:                out
113:                        .println(" -bursawolfs    : Lists Bursa-Wolf parameters for the specified CRS.");
114:                out
115:                        .println(" -codes         : Lists all available CRS codes with their description.");
116:                out
117:                        .println(" -colors        : Enable syntax coloring on ANSI X3.64 compatible terminal.");
118:                out
119:                        .println(" -dependencies  : Lists authority factory dependencies as a tree.");
120:                out
121:                        .println(" -factories     : Lists all availables CRS authority factories.");
122:                out
123:                        .println(" -forcexy       : Force \"longitude first\" axis order.");
124:                out.println(" -help          : Prints this message.");
125:                out
126:                        .println(" -locale=ARG    : Formats texts in the specified locale.");
127:                out
128:                        .println(" -operations    : Prints all available coordinate operations between a pair of CRS.");
129:                out
130:                        .println(" -transform     : Prints the preferred math transform between a pair of CRS.");
131:            }
132:
133:            /**
134:             * Prints all objects as WKT. This is the default behavior when no option is specified.
135:             */
136:            private void list(final PrintWriter out, final String[] args)
137:                    throws FactoryException {
138:                char[] separator = null;
139:                for (int i = 0; i < args.length; i++) {
140:                    if (separator == null) {
141:                        separator = getSeparator();
142:                    } else {
143:                        out.println(separator);
144:                    }
145:                    out
146:                            .println(formatter.format(factory
147:                                    .createObject(args[i])));
148:                    final String warning = formatter.getWarning();
149:                    if (warning != null) {
150:                        out.println();
151:                        out.print(Vocabulary.format(VocabularyKeys.WARNING));
152:                        out.print(": ");
153:                        out.println(warning);
154:                    }
155:                }
156:            }
157:
158:            /**
159:             * Lists all authority codes.
160:             */
161:            private void codes(final PrintWriter out) throws FactoryException {
162:                final Set codes = factory
163:                        .getAuthorityCodes(CoordinateReferenceSystem.class);
164:                final TableWriter table = new TableWriter(out);
165:                table.writeHorizontalSeparator();
166:                table.write(Vocabulary.format(VocabularyKeys.CODE));
167:                table.nextColumn();
168:                table.write(Vocabulary.format(VocabularyKeys.DESCRIPTION));
169:                table.writeHorizontalSeparator();
170:                for (final Iterator it = codes.iterator(); it.hasNext();) {
171:                    final String code = (String) it.next();
172:                    table.write(code);
173:                    table.nextColumn();
174:                    try {
175:                        final InternationalString description = factory
176:                                .getDescriptionText(code);
177:                        if (description != null) {
178:                            table.write(description.toString());
179:                        }
180:                    } catch (NoSuchAuthorityCodeException e) {
181:                        table.write(e.getLocalizedMessage());
182:                    }
183:                    table.nextLine();
184:                }
185:                table.writeHorizontalSeparator();
186:                try {
187:                    table.flush();
188:                } catch (IOException e) {
189:                    // Should never happen, since we are backed by PrintWriter
190:                    throw new AssertionError(e);
191:                }
192:            }
193:
194:            /**
195:             * Lists all CRS authority factories.
196:             */
197:            private static void factories(final PrintWriter out) {
198:                final Set/*<Citation>*/done = new HashSet();
199:                final TableWriter table = new TableWriter(out, " \u2502 ");
200:                final TableWriter notes = new TableWriter(out, " ");
201:                int noteCount = 0;
202:                notes.setMultiLinesCells(true);
203:                table.setMultiLinesCells(true);
204:                table.writeHorizontalSeparator();
205:                table.write(Vocabulary.format(VocabularyKeys.AUTHORITY));
206:                table.nextColumn();
207:                table.write(Vocabulary.format(VocabularyKeys.DESCRIPTION));
208:                table.nextColumn();
209:                table.write(Vocabulary.format(VocabularyKeys.NOTE));
210:                table.writeHorizontalSeparator();
211:                for (final Iterator it = ReferencingFactoryFinder
212:                        .getCRSAuthorityFactories(HINTS).iterator(); it
213:                        .hasNext();) {
214:                    AuthorityFactory factory = (AuthorityFactory) it.next();
215:                    final Citation authority = factory.getAuthority();
216:                    final Iterator identifiers = authority.getIdentifiers()
217:                            .iterator();
218:                    if (!identifiers.hasNext()) {
219:                        // No identifier. Scan next authorities.
220:                        continue;
221:                    }
222:                    if (!done.add(authority)) {
223:                        // Already done. Scans next authorities.
224:                        continue;
225:                    }
226:                    table.write((String) identifiers.next());
227:                    table.nextColumn();
228:                    table.write(authority.getTitle().toString().trim());
229:                    if (factory instanceof  AbstractAuthorityFactory) {
230:                        String description;
231:                        try {
232:                            description = ((AbstractAuthorityFactory) factory)
233:                                    .getBackingStoreDescription();
234:                        } catch (FactoryException e) {
235:                            description = e.getLocalizedMessage();
236:                        }
237:                        if (description != null) {
238:                            final String n = String.valueOf(++noteCount);
239:                            table.nextColumn();
240:                            table.write('(');
241:                            table.write(n);
242:                            table.write(')');
243:                            notes.write('(');
244:                            notes.write(n);
245:                            notes.write(')');
246:                            notes.nextColumn();
247:                            notes.write(description.trim());
248:                            notes.nextLine();
249:                        }
250:                    }
251:                    table.nextLine();
252:                }
253:                table.writeHorizontalSeparator();
254:                try {
255:                    table.flush();
256:                    notes.flush();
257:                } catch (IOException e) {
258:                    // Should never happen, since we are backed by PrintWriter.
259:                    throw new AssertionError(e);
260:                }
261:            }
262:
263:            /**
264:             * Prints the bursa-wolfs parameters for the specified CRS.
265:             */
266:            private void bursaWolfs(final PrintWriter out, final String[] args)
267:                    throws FactoryException {
268:                final NumberFormat nf = NumberFormat.getNumberInstance();
269:                nf.setMinimumFractionDigits(3);
270:                nf.setMaximumFractionDigits(3);
271:                final TableWriter table = new TableWriter(out);
272:                table.writeHorizontalSeparator();
273:                final String[] titles = {
274:                        Vocabulary.format(VocabularyKeys.TARGET), "dx", "dy",
275:                        "dz", "ex", "ey", "ez", "ppm" };
276:                for (int i = 0; i < titles.length; i++) {
277:                    table.write(titles[i]);
278:                    table.nextColumn();
279:                    table.setAlignment(TableWriter.ALIGN_CENTER);
280:                }
281:                table.writeHorizontalSeparator();
282:                for (int i = 0; i < args.length; i++) {
283:                    IdentifiedObject object = factory.createObject(args[i]);
284:                    if (object instanceof  CoordinateReferenceSystem) {
285:                        object = CRSUtilities
286:                                .getDatum((CoordinateReferenceSystem) object);
287:                    }
288:                    if (object instanceof  DefaultGeodeticDatum) {
289:                        final BursaWolfParameters[] params = ((DefaultGeodeticDatum) object)
290:                                .getBursaWolfParameters();
291:                        for (int j = 0; j < params.length; j++) {
292:                            final BursaWolfParameters p = params[j];
293:                            table.setAlignment(TableWriter.ALIGN_LEFT);
294:                            table.write(p.targetDatum.getName().getCode());
295:                            table.nextColumn();
296:                            table.setAlignment(TableWriter.ALIGN_RIGHT);
297:                            double v;
298:                            for (int k = 0; k < 7; k++) {
299:                                switch (k) {
300:                                case 0:
301:                                    v = p.dx;
302:                                    break;
303:                                case 1:
304:                                    v = p.dy;
305:                                    break;
306:                                case 2:
307:                                    v = p.dz;
308:                                    break;
309:                                case 3:
310:                                    v = p.ex;
311:                                    break;
312:                                case 4:
313:                                    v = p.ey;
314:                                    break;
315:                                case 5:
316:                                    v = p.ez;
317:                                    break;
318:                                case 6:
319:                                    v = p.ppm;
320:                                    break;
321:                                default:
322:                                    throw new AssertionError(k);
323:                                }
324:                                table.write(nf.format(v));
325:                                table.nextColumn();
326:                            }
327:                            table.nextLine();
328:                        }
329:                        table.writeHorizontalSeparator();
330:                    }
331:                }
332:                try {
333:                    table.flush();
334:                } catch (IOException e) {
335:                    // Should never happen, since we are backed by PrintWriter
336:                    throw new AssertionError(e);
337:                }
338:            }
339:
340:            /**
341:             * Prints the operations between every pairs of the specified authority code.
342:             */
343:            private void operations(final PrintWriter out, final String[] args)
344:                    throws FactoryException {
345:                if (!(factory instanceof  CoordinateOperationAuthorityFactory)) {
346:                    return;
347:                }
348:                final CoordinateOperationAuthorityFactory factory = (CoordinateOperationAuthorityFactory) this .factory;
349:                char[] separator = null;
350:                for (int i = 0; i < args.length; i++) {
351:                    for (int j = i + 1; j < args.length; j++) {
352:                        final Set/*<CoordinateOperation>*/op;
353:                        op = factory.createFromCoordinateReferenceSystemCodes(
354:                                args[i], args[j]);
355:                        for (final Iterator it = op.iterator(); it.hasNext();) {
356:                            final CoordinateOperation operation = (CoordinateOperation) it
357:                                    .next();
358:                            if (separator == null) {
359:                                separator = getSeparator();
360:                            } else {
361:                                out.println(separator);
362:                            }
363:                            out.println(formatter.format(operation));
364:                        }
365:                    }
366:                }
367:            }
368:
369:            /**
370:             * Prints the math transforms between every pairs of the specified authority code.
371:             */
372:            private void transform(final PrintWriter out, final String[] args)
373:                    throws FactoryException {
374:                if (!(factory instanceof  CRSAuthorityFactory)) {
375:                    return;
376:                }
377:                final CRSAuthorityFactory factory = (CRSAuthorityFactory) this .factory;
378:                final CoordinateOperationFactory opFactory = ReferencingFactoryFinder
379:                        .getCoordinateOperationFactory(HINTS);
380:                char[] separator = null;
381:                for (int i = 0; i < args.length; i++) {
382:                    final CoordinateReferenceSystem crs1 = factory
383:                            .createCoordinateReferenceSystem(args[i]);
384:                    for (int j = i + 1; j < args.length; j++) {
385:                        final CoordinateReferenceSystem crs2 = factory
386:                                .createCoordinateReferenceSystem(args[j]);
387:                        final CoordinateOperation op;
388:                        try {
389:                            op = opFactory.createOperation(crs1, crs2);
390:                        } catch (OperationNotFoundException exception) {
391:                            out.println(exception.getLocalizedMessage());
392:                            continue;
393:                        }
394:                        if (separator == null) {
395:                            separator = getSeparator();
396:                        } else {
397:                            out.println(separator);
398:                        }
399:                        out.println(formatter.format(op.getMathTransform()));
400:                    }
401:                }
402:            }
403:
404:            /**
405:             * Prints all {@linkplain AuthorityFactory authority factory} dependencies as a tree.
406:             */
407:            private static void printAuthorityFactoryDependencies(
408:                    final PrintWriter out, final boolean colors) {
409:                final FactoryDependencies printer = new FactoryDependencies(CRS
410:                        .getAuthorityFactory(false));
411:                printer.setAttributeEnabled(true);
412:                printer.setColorEnabled(colors);
413:                printer.print(out);
414:                out.flush();
415:            }
416:
417:            /**
418:             * Dispose the factory.
419:             */
420:            private void dispose() throws FactoryException {
421:                if (factory instanceof  AbstractAuthorityFactory) {
422:                    ((AbstractAuthorityFactory) factory).dispose();
423:                }
424:            }
425:
426:            /**
427:             * Implementation of {@link CRS#main}.
428:             */
429:            public static void execute(String[] args) {
430:                final Arguments arguments = new Arguments(args);
431:                final PrintWriter out = arguments.out;
432:                Locale.setDefault(arguments.locale);
433:                if (arguments.getFlag("-forcexy")) {
434:                    Hints.putSystemDefault(
435:                            Hints.FORCE_LONGITUDE_FIRST_AXIS_ORDER,
436:                            Boolean.TRUE);
437:                }
438:                if (arguments.getFlag("-help")) {
439:                    args = arguments.getRemainingArguments(0);
440:                    help(out);
441:                    return;
442:                }
443:                if (arguments.getFlag("-factories")) {
444:                    args = arguments.getRemainingArguments(0);
445:                    factories(out);
446:                    return;
447:                }
448:                if (arguments.getFlag("-dependencies")) {
449:                    final boolean colors = arguments.getFlag("-colors");
450:                    args = arguments.getRemainingArguments(0);
451:                    printAuthorityFactoryDependencies(out, colors);
452:                    return;
453:                }
454:                final String authority = arguments
455:                        .getOptionalString("-authority");
456:                final Command command = new Command(authority);
457:                command.formatter.setColorEnabled(arguments.getFlag("-colors"));
458:                try {
459:                    if (arguments.getFlag("-codes")) {
460:                        args = arguments.getRemainingArguments(0);
461:                        command.codes(out);
462:                    } else if (arguments.getFlag("-bursawolfs")) {
463:                        args = arguments.getRemainingArguments(
464:                                Integer.MAX_VALUE, '-');
465:                        command.bursaWolfs(out, args);
466:                    } else if (arguments.getFlag("-operations")) {
467:                        args = arguments.getRemainingArguments(2, '-');
468:                        command.operations(out, args);
469:                    } else if (arguments.getFlag("-transform")) {
470:                        args = arguments.getRemainingArguments(2, '-');
471:                        command.transform(out, args);
472:                    } else {
473:                        args = arguments.getRemainingArguments(
474:                                Integer.MAX_VALUE, '-');
475:                        command.list(out, args);
476:                    }
477:                    out.flush();
478:                    command.dispose();
479:                } catch (FactoryException exception) {
480:                    out.flush();
481:                    arguments.err.println(exception.getLocalizedMessage());
482:                } catch (Exception exception) {
483:                    out.flush();
484:                    exception.printStackTrace(arguments.err);
485:                }
486:            }
487:        }
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