Mercurial > dive4elements > river
comparison artifacts/src/main/java/org/dive4elements/river/exports/DiagramAttributes.java @ 8892:87a242425467
Introduced ChartExtender that allows to tweak the charts for very specific use cases.
| author | gernotbelger |
|---|---|
| date | Thu, 15 Feb 2018 13:46:35 +0100 |
| parents | f87f435df856 |
| children | 55e2155ab52d |
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| 8891:f431aec10d2c | 8892:87a242425467 |
|---|---|
| 7 */ | 7 */ |
| 8 | 8 |
| 9 package org.dive4elements.river.exports; | 9 package org.dive4elements.river.exports; |
| 10 | 10 |
| 11 import java.util.ArrayList; | 11 import java.util.ArrayList; |
| 12 import java.util.Collection; | |
| 13 import java.util.Collections; | |
| 12 import java.util.List; | 14 import java.util.List; |
| 13 | 15 |
| 14 import org.w3c.dom.Element; | 16 import org.w3c.dom.Element; |
| 15 import org.w3c.dom.NodeList; | 17 import org.w3c.dom.NodeList; |
| 16 | 18 |
| 79 return retval; | 81 return retval; |
| 80 } | 82 } |
| 81 | 83 |
| 82 public List<Processor> getProcessors() { | 84 public List<Processor> getProcessors() { |
| 83 return processors; | 85 return processors; |
| 86 } | |
| 87 | |
| 88 public Collection<ChartExtender> getExtenders() { | |
| 89 return DiagramAttributes.this.getExtenders(); | |
| 84 } | 90 } |
| 85 | 91 |
| 86 public Title getTitle() { | 92 public Title getTitle() { |
| 87 return DiagramAttributes.this.getTitle(); | 93 return DiagramAttributes.this.getTitle(); |
| 88 } | 94 } |
| 343 } | 349 } |
| 344 } // class Title | 350 } // class Title |
| 345 | 351 |
| 346 private List<AxisAttributes> axesAttrs; | 352 private List<AxisAttributes> axesAttrs; |
| 347 private List<AxisProcessor> axesProcessors; | 353 private List<AxisProcessor> axesProcessors; |
| 354 private List<ChartExtender> extenders = new ArrayList<>(); | |
| 348 | 355 |
| 349 private Title title; | 356 private Title title; |
| 350 private Title subtitle; | 357 private Title subtitle; |
| 351 | 358 |
| 352 private DomainAxisAttributes domainAxis; | 359 private DomainAxisAttributes domainAxis; |
| 361 parseAxis(config); | 368 parseAxis(config); |
| 362 parseProcessors(config); | 369 parseProcessors(config); |
| 363 parseTitle(config); | 370 parseTitle(config); |
| 364 parseSubtitle(config); | 371 parseSubtitle(config); |
| 365 parseDomainAxis(config); | 372 parseDomainAxis(config); |
| 373 parseExtenders(config); | |
| 366 return this; | 374 return this; |
| 367 } | 375 } |
| 368 | 376 |
| 369 public List<AxisAttributes> getAxesAttributes() { | 377 public List<AxisAttributes> getAxesAttributes() { |
| 370 return axesAttrs; | 378 return axesAttrs; |
| 457 } | 465 } |
| 458 | 466 |
| 459 public List<AxisProcessor> getAxesProcessors() { | 467 public List<AxisProcessor> getAxesProcessors() { |
| 460 return axesProcessors; | 468 return axesProcessors; |
| 461 } | 469 } |
| 470 | |
| 471 public Collection<ChartExtender> getExtenders() { | |
| 472 return Collections.unmodifiableCollection(extenders); | |
| 473 } | |
| 462 | 474 |
| 463 public Title getTitle() { | 475 public Title getTitle() { |
| 464 return title; | 476 return title; |
| 465 } | 477 } |
| 466 | 478 |
| 488 (Class<Processor>)Class.forName(className); | 500 (Class<Processor>)Class.forName(className); |
| 489 axesProcessors.add(new AxisProcessor(processorClass, axisName)); | 501 axesProcessors.add(new AxisProcessor(processorClass, axisName)); |
| 490 } | 502 } |
| 491 catch (ClassNotFoundException cnfe) { | 503 catch (ClassNotFoundException cnfe) { |
| 492 log.error(cnfe, cnfe); | 504 log.error(cnfe, cnfe); |
| 505 } | |
| 506 } | |
| 507 } | |
| 508 | |
| 509 private void parseExtenders(final Element config) { | |
| 510 final NodeList processorNodes = config.getElementsByTagName("chartextender"); | |
| 511 | |
| 512 for (int i = 0, N = processorNodes.getLength(); i < N; ++i) { | |
| 513 final Element extenderElement = (Element)processorNodes.item(i); | |
| 514 final String className = extenderElement.getAttribute("class").trim(); | |
| 515 if (className.isEmpty() ) { | |
| 516 log.error("chartextender missing 'class' attribute"); | |
| 517 continue; | |
| 518 } | |
| 519 | |
| 520 try { | |
| 521 final Class<?> protoclass = Class.forName(className); | |
| 522 if( !ChartExtender.class.isAssignableFrom(protoclass) ) { | |
| 523 log.error(String.format( "Chart extender must implement interface ChartExtender: %s", className) ); | |
| 524 continue; | |
| 525 } | |
| 526 | |
| 527 final ChartExtender extender = (ChartExtender) protoclass.newInstance(); | |
| 528 extenders.add(extender); | |
| 529 } | |
| 530 catch (ClassNotFoundException | InstantiationException | IllegalAccessException cnfe) { | |
| 531 log.error(String.format( "Failed to load or create chartextender class: %s", className ), cnfe); | |
| 493 } | 532 } |
| 494 } | 533 } |
| 495 } | 534 } |
| 496 | 535 |
| 497 private void parseTitle(Element config) { | 536 private void parseTitle(Element config) { |