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package com.damnhandy.uri.template; |
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import com.damnhandy.uri.template.impl.*; |
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import org.joda.time.DateTime; |
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import org.joda.time.format.DateTimeFormat; |
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import org.joda.time.format.DateTimeFormatter; |
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import java.io.Serializable; |
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import java.io.UnsupportedEncodingException; |
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import java.lang.reflect.Array; |
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import java.text.DateFormat; |
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import java.text.SimpleDateFormat; |
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import java.util.*; |
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import java.util.Map.Entry; |
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import java.util.regex.Pattern; |
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public class UriTemplate implements Serializable |
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{ |
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private static final long serialVersionUID = -5245084430838445979L; |
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|
77 | 6 | public enum Encoding |
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{ |
79 | 2 | U, UR; |
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} |
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public static final String DEFAULT_SEPARATOR = ","; |
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87 | 1010 | transient DateTimeFormatter defaultDateTimeFormatter = DateTimeFormat.forPattern("yyyy-MM-dd'T'HH:mm:ss.SSSZ"); |
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92 | 1010 | @Deprecated |
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protected DateFormat defaultDateFormat = null; |
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98 | 2 | private static final char[] OPERATORS = |
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{'+', '#', '.', '/', ';', '?', '&', '!', '='}; |
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104 | 2 | private static final BitSet OPERATOR_BITSET = new BitSet(); |
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static |
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{ |
108 | 20 | for (int i = 0; i < OPERATORS.length; i++) |
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{ |
110 | 18 | OPERATOR_BITSET.set(OPERATORS[i]); |
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} |
112 | 2 | } |
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private String template; |
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private Pattern reverseMatchPattern; |
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128 | 1010 | private Map<String, Object> values = new LinkedHashMap<String, Object>(); |
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private LinkedList<UriTemplateComponent> components; |
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private Expression[] expressions; |
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private String[] variables; |
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private UriTemplate(final String template) throws MalformedUriTemplateException |
152 | 766 | { |
153 | 766 | this.template = template; |
154 | 766 | this.parseTemplateString(); |
155 | 710 | } |
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protected UriTemplate(LinkedList<UriTemplateComponent> components) |
163 | 244 | { |
164 | 244 | this.components = components; |
165 | 244 | initExpressions(); |
166 | 244 | buildTemplateStringFromComponents(); |
167 | 244 | } |
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public static UriTemplateBuilder createBuilder() |
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{ |
176 | 180 | return new UriTemplateBuilder(); |
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} |
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public static UriTemplateBuilder buildFromTemplate(String template) throws MalformedUriTemplateException |
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{ |
189 | 70 | return new UriTemplateBuilder(template); |
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} |
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public static UriTemplateBuilder buildFromTemplate(UriTemplate baseTemplate) throws MalformedUriTemplateException |
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{ |
209 | 182 | return new UriTemplateBuilder(baseTemplate); |
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} |
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public static final UriTemplate fromTemplate(final String templateString) throws MalformedUriTemplateException |
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{ |
221 | 742 | return new UriTemplate(templateString); |
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} |
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public static UriTemplateBuilder fromTemplate(UriTemplate baseTemplate) throws MalformedUriTemplateException |
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{ |
241 | 0 | return new UriTemplateBuilder(baseTemplate.getTemplate()); |
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} |
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public Collection<UriTemplateComponent> getComponents() { |
251 | 2 | return Collections.unmodifiableCollection(components); |
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} |
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public int expressionCount() |
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{ |
261 | 0 | return expressions.length; |
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} |
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public Expression[] getExpressions() |
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{ |
272 | 0 | return expressions; |
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} |
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public String[] getVariables() |
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{ |
282 | 0 | if (variables == null) |
283 | |
{ |
284 | 0 | Set<String> vars = new LinkedHashSet<String>(); |
285 | 0 | for (Expression e : getExpressions()) |
286 | |
{ |
287 | 0 | for (VarSpec v : e.getVarSpecs()) |
288 | |
{ |
289 | 0 | vars.add(v.getVariableName()); |
290 | 0 | } |
291 | |
} |
292 | 0 | variables = vars.toArray(new String[vars.size()]); |
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} |
294 | 0 | return variables; |
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} |
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protected void parseTemplateString() throws MalformedUriTemplateException |
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{ |
302 | 766 | final String templateString = getTemplate(); |
303 | 766 | final UriTemplateParser scanner = new UriTemplateParser(); |
304 | 766 | this.components = scanner.scan(templateString); |
305 | 710 | initExpressions(); |
306 | 710 | } |
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private void initExpressions() |
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{ |
313 | 954 | final List<Expression> expressionList = new LinkedList<Expression>(); |
314 | 954 | for (UriTemplateComponent c : components) |
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{ |
316 | 1454 | if (c instanceof Expression) |
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{ |
318 | 1066 | expressionList.add((Expression) c); |
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} |
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321 | 1454 | } |
322 | 954 | expressions = expressionList.toArray(new Expression[expressionList.size()]); |
323 | 954 | } |
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private void buildTemplateStringFromComponents() |
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{ |
328 | 244 | StringBuilder b = new StringBuilder(); |
329 | 244 | for (UriTemplateComponent c : components) |
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{ |
331 | 406 | b.append(c.getValue()); |
332 | 406 | } |
333 | 244 | this.template = b.toString(); |
334 | 244 | } |
335 | |
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336 | |
private void buildReverseMatchRegexFromComponents() |
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{ |
338 | 0 | StringBuilder b = new StringBuilder(); |
339 | 0 | for (UriTemplateComponent c : components) |
340 | |
{ |
341 | 0 | b.append("(").append(c.getMatchPattern()).append(")"); |
342 | 0 | } |
343 | 0 | this.reverseMatchPattern = Pattern.compile(b.toString()); |
344 | 0 | } |
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protected Pattern getReverseMatchPattern() |
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{ |
353 | 0 | if (this.reverseMatchPattern == null) |
354 | |
{ |
355 | 0 | buildReverseMatchRegexFromComponents(); |
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} |
357 | 0 | return this.reverseMatchPattern; |
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} |
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public static String expand(final String templateString, Map<String, Object> values) |
372 | |
throws MalformedUriTemplateException, VariableExpansionException |
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{ |
374 | 8 | UriTemplate t = new UriTemplate(templateString); |
375 | 8 | t.set(values); |
376 | 8 | return t.expand(); |
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} |
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public static String expandPartial(final String templateString, Map<String, Object> values) |
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throws MalformedUriTemplateException, VariableExpansionException |
392 | |
{ |
393 | 16 | UriTemplate t = new UriTemplate(templateString); |
394 | 16 | t.set(values); |
395 | 16 | return t.expandPartial(); |
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} |
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public String expand(Map<String, Object> vars) throws VariableExpansionException |
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{ |
408 | 418 | this.values = vars; |
409 | 418 | return expand(); |
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} |
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public String expand() throws VariableExpansionException |
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{ |
423 | 520 | String template = getTemplate(); |
424 | 1058 | for (Expression expression : expressions) |
425 | |
{ |
426 | 548 | final String replacement = expressionReplacementString(expression, false); |
427 | 538 | template = template.replaceAll(expression.getReplacementPattern(), replacement); |
428 | |
} |
429 | 510 | return template; |
430 | |
} |
431 | |
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432 | |
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public String expandPartial() throws VariableExpansionException |
437 | |
{ |
438 | 16 | String template = getTemplate(); |
439 | 70 | for (Expression expression : expressions) |
440 | |
{ |
441 | 54 | final String replacement = expressionReplacementString(expression, true); |
442 | 54 | template = template.replaceAll(expression.getReplacementPattern(), replacement); |
443 | |
} |
444 | 16 | return template; |
445 | |
} |
446 | |
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447 | |
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448 | |
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449 | |
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450 | |
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451 | |
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452 | |
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453 | |
public String getTemplate() |
454 | |
{ |
455 | 1916 | return template; |
456 | |
} |
457 | |
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458 | |
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459 | |
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460 | |
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461 | |
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462 | |
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463 | |
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464 | |
public Map<String, Object> getValues() |
465 | |
{ |
466 | 192 | return this.values; |
467 | |
} |
468 | |
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469 | |
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470 | |
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471 | |
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472 | |
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473 | |
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474 | |
public UriTemplate withDefaultDateFormat(String dateFormatString) |
475 | |
{ |
476 | 4 | return this.withDefaultDateFormat(DateTimeFormat.forPattern(dateFormatString)); |
477 | |
} |
478 | |
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479 | |
private UriTemplate withDefaultDateFormat(DateTimeFormatter dateTimeFormatter) |
480 | |
{ |
481 | 4 | defaultDateTimeFormatter = dateTimeFormatter; |
482 | 4 | return this; |
483 | |
} |
484 | |
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485 | |
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486 | |
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487 | |
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488 | |
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489 | |
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490 | |
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491 | |
@Deprecated |
492 | |
public UriTemplate withDefaultDateFormat(DateFormat dateFormat) |
493 | |
{ |
494 | 2 | if (!(dateFormat instanceof SimpleDateFormat)) |
495 | |
{ |
496 | 0 | throw new IllegalArgumentException( |
497 | |
"The only supported subclass of java.text.DateFormat is java.text.SimpleDateFormat"); |
498 | |
} |
499 | 2 | defaultDateTimeFormatter = DateTimeFormat.forPattern(((SimpleDateFormat) dateFormat).toPattern()); |
500 | 2 | return this; |
501 | |
} |
502 | |
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503 | |
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504 | |
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507 | |
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508 | |
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509 | |
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510 | |
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511 | |
public UriTemplate set(String variableName, Object value) |
512 | |
{ |
513 | 98 | values.put(variableName, value); |
514 | 98 | return this; |
515 | |
} |
516 | |
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517 | |
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518 | |
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519 | |
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520 | |
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521 | |
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522 | |
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523 | |
public boolean hasVariable(String variableName) |
524 | |
{ |
525 | 0 | return values.containsKey(variableName); |
526 | |
} |
527 | |
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528 | |
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529 | |
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530 | |
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531 | |
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532 | |
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533 | |
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534 | |
public Object get(String variableName) |
535 | |
{ |
536 | 0 | return values.get(variableName); |
537 | |
} |
538 | |
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539 | |
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540 | |
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541 | |
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542 | |
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543 | |
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544 | |
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545 | |
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546 | |
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547 | |
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548 | |
public UriTemplate set(String variableName, Date value) |
549 | |
{ |
550 | 12 | values.put(variableName, value); |
551 | 12 | return this; |
552 | |
} |
553 | |
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554 | |
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556 | |
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557 | |
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558 | |
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559 | |
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560 | |
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561 | |
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562 | |
public UriTemplate set(Map<String, Object> values) |
563 | |
{ |
564 | 28 | if (values != null && !values.isEmpty()) |
565 | |
{ |
566 | 22 | this.values.putAll(values); |
567 | |
} |
568 | 28 | return this; |
569 | |
} |
570 | |
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571 | |
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572 | |
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573 | |
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574 | |
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575 | |
public static boolean containsOperator(String op) |
576 | |
{ |
577 | 1052 | return OPERATOR_BITSET.get(op.toCharArray()[0]); |
578 | |
} |
579 | |
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580 | |
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581 | |
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582 | |
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583 | |
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584 | |
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585 | |
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586 | |
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587 | |
private String expressionReplacementString(Expression expression, boolean partial) throws VariableExpansionException |
588 | |
{ |
589 | 602 | final Operator operator = expression.getOperator(); |
590 | 602 | final List<String> replacements = expandVariables(expression, partial); |
591 | 592 | String result = partial ? joinParts(expression, replacements) : joinParts(operator.getSeparator(), replacements); |
592 | 592 | if (result != null) |
593 | |
{ |
594 | 566 | if (!partial && operator != Operator.RESERVED) |
595 | |
{ |
596 | 452 | result = operator.getPrefix() + result; |
597 | |
} |
598 | |
} |
599 | |
else |
600 | |
{ |
601 | 26 | result = ""; |
602 | |
} |
603 | 592 | return result; |
604 | |
} |
605 | |
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606 | |
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607 | |
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608 | |
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609 | |
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610 | |
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611 | |
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612 | |
@SuppressWarnings({"rawtypes", "unchecked"}) |
613 | |
private List<String> expandVariables(Expression expression, boolean partial) throws VariableExpansionException |
614 | |
{ |
615 | 602 | final List<String> replacements = new ArrayList<String>(); |
616 | 602 | final Operator operator = expression.getOperator(); |
617 | 602 | for (VarSpec varSpec : expression.getVarSpecs()) |
618 | |
{ |
619 | 822 | if (values.containsKey(varSpec.getVariableName())) |
620 | |
{ |
621 | 756 | Object value = values.get(varSpec.getVariableName()); |
622 | |
|
623 | 756 | String expanded = null; |
624 | |
|
625 | 756 | if (value != null) |
626 | |
{ |
627 | 734 | if (value.getClass().isArray()) |
628 | |
{ |
629 | 28 | if (value instanceof char[][]) |
630 | |
{ |
631 | 2 | final char[][] chars = (char[][]) value; |
632 | 2 | final List<String> strings = new ArrayList<String>(); |
633 | 6 | for (char[] c : chars) |
634 | |
{ |
635 | 4 | strings.add(String.valueOf(c)); |
636 | |
} |
637 | 2 | value = strings; |
638 | 2 | } |
639 | 26 | else if (value instanceof char[]) |
640 | |
{ |
641 | 2 | value = String.valueOf((char[]) value); |
642 | |
} |
643 | |
else |
644 | |
{ |
645 | 24 | value = arrayToList(value); |
646 | |
} |
647 | |
|
648 | |
} |
649 | |
} |
650 | |
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651 | |
|
652 | 754 | final boolean explodable = isExplodable(value); |
653 | 754 | if (explodable && varSpec.getModifier() == Modifier.PREFIX) |
654 | |
{ |
655 | 4 | throw new VariableExpansionException( |
656 | |
"Prefix modifiers are not applicable to variables that have composite values."); |
657 | |
} |
658 | |
|
659 | 750 | if (explodable) |
660 | |
{ |
661 | |
final VarExploder exploder; |
662 | 238 | if (value instanceof VarExploder) |
663 | |
{ |
664 | 6 | exploder = (VarExploder) value; |
665 | |
} |
666 | |
else |
667 | |
{ |
668 | 232 | exploder = VarExploderFactory.getExploder(value, varSpec); |
669 | |
} |
670 | 238 | if (varSpec.getModifier() == Modifier.EXPLODE) |
671 | |
{ |
672 | 132 | expanded = expandMap(operator, varSpec, exploder.getNameValuePairs()); |
673 | |
} |
674 | 106 | else if (varSpec.getModifier() != Modifier.EXPLODE) |
675 | |
{ |
676 | 106 | expanded = expandCollection(operator, varSpec, exploder.getValues()); |
677 | |
} |
678 | |
} |
679 | |
|
680 | |
|
681 | |
|
682 | |
|
683 | 746 | if (value instanceof Date) |
684 | |
{ |
685 | 16 | value = defaultDateTimeFormatter.print(new DateTime((Date) value)); |
686 | |
} |
687 | |
|
688 | |
|
689 | |
|
690 | 746 | if (value instanceof Collection) |
691 | |
{ |
692 | 142 | expanded = this.expandCollection(operator, varSpec, (Collection) value); |
693 | |
} |
694 | |
|
695 | |
|
696 | |
|
697 | 604 | else if (value instanceof Map) |
698 | |
{ |
699 | 72 | expanded = expandMap(operator, varSpec, (Map) value); |
700 | |
} |
701 | |
|
702 | |
|
703 | |
|
704 | 532 | else if (value == null) |
705 | |
{ |
706 | 22 | expanded = null; |
707 | |
} |
708 | |
|
709 | |
|
710 | |
|
711 | 510 | else if (expanded == null) |
712 | |
{ |
713 | 490 | expanded = this.expandStringValue(operator, varSpec, value.toString(), VarSpec.VarFormat.SINGLE); |
714 | |
} |
715 | 746 | if (expanded != null) |
716 | |
{ |
717 | 706 | replacements.add(expanded); |
718 | |
} |
719 | |
|
720 | 746 | } |
721 | 66 | else if (partial) |
722 | |
{ |
723 | 58 | replacements.add(null); |
724 | |
} |
725 | 812 | } |
726 | 592 | return replacements; |
727 | |
} |
728 | |
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729 | |
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730 | |
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731 | |
|
732 | |
|
733 | |
private boolean isExplodable(Object value) |
734 | |
{ |
735 | 754 | if (value == null) |
736 | |
{ |
737 | 22 | return false; |
738 | |
} |
739 | 732 | if (value instanceof Collection || value instanceof Map || value.getClass().isArray()) |
740 | |
{ |
741 | 218 | return true; |
742 | |
} |
743 | 514 | if (!isSimpleType(value)) |
744 | |
{ |
745 | 24 | return true; |
746 | |
} |
747 | 490 | return false; |
748 | |
} |
749 | |
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750 | |
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751 | |
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752 | |
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753 | |
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754 | |
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755 | |
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756 | |
|
757 | |
|
758 | |
|
759 | |
|
760 | |
|
761 | |
|
762 | |
|
763 | |
|
764 | |
|
765 | |
|
766 | |
|
767 | |
private boolean isSimpleType(Object value) |
768 | |
{ |
769 | |
|
770 | 1500 | if (value.getClass().isPrimitive() |
771 | 1500 | || value.getClass().isEnum() |
772 | |
|| value instanceof Class |
773 | |
|| value instanceof Number |
774 | |
|| value instanceof CharSequence |
775 | |
|| value instanceof Date |
776 | |
|| value instanceof Boolean |
777 | |
|| value instanceof UUID |
778 | |
) |
779 | |
{ |
780 | 1474 | return true; |
781 | |
} |
782 | 26 | return false; |
783 | |
} |
784 | |
|
785 | |
|
786 | |
|
787 | |
|
788 | |
|
789 | |
|
790 | |
|
791 | |
private String expandCollection(Operator operator, VarSpec varSpec, Collection<?> variable) |
792 | |
throws VariableExpansionException |
793 | |
{ |
794 | |
|
795 | 248 | if (variable == null || variable.isEmpty()) |
796 | |
{ |
797 | 14 | return null; |
798 | |
} |
799 | |
|
800 | 234 | final List<String> stringValues = new ArrayList<String>(); |
801 | 234 | final Iterator<?> i = variable.iterator(); |
802 | 234 | String separator = operator.getSeparator(); |
803 | 234 | if (varSpec.getModifier() != Modifier.EXPLODE) |
804 | |
{ |
805 | 164 | separator = operator.getListSeparator(); |
806 | |
} |
807 | 808 | while (i.hasNext()) |
808 | |
{ |
809 | 574 | final Object obj = i.next(); |
810 | 574 | checkValue(obj); |
811 | |
String value; |
812 | 574 | if(checkValue(obj)) |
813 | |
{ |
814 | 8 | value = joinParts(",", obj); |
815 | |
} |
816 | |
else |
817 | |
{ |
818 | 566 | if(isSimpleType(obj)) |
819 | |
{ |
820 | 566 | value = obj.toString(); |
821 | |
} |
822 | |
else |
823 | |
{ |
824 | 0 | throw new VariableExpansionException("Collections or other complex types are not supported in collections."); |
825 | |
} |
826 | |
} |
827 | |
|
828 | 574 | stringValues.add(expandStringValue(operator, varSpec, value, VarSpec.VarFormat.ARRAY)); |
829 | 574 | } |
830 | |
|
831 | 234 | if (varSpec.getModifier() != Modifier.EXPLODE && operator.useVarNameWhenExploded()) |
832 | |
{ |
833 | 64 | final String parts = joinParts(separator, stringValues); |
834 | 64 | if (operator == Operator.QUERY && parts == null) |
835 | |
{ |
836 | 0 | return varSpec.getVariableName() + "="; |
837 | |
} |
838 | 64 | return varSpec.getVariableName() + "=" + parts; |
839 | |
} |
840 | 170 | return joinParts(separator, stringValues); |
841 | |
} |
842 | |
|
843 | |
|
844 | |
|
845 | |
|
846 | |
|
847 | |
|
848 | |
private boolean checkValue(Object obj) throws VariableExpansionException |
849 | |
{ |
850 | 1586 | if (obj instanceof Map) |
851 | |
{ |
852 | 2 | throw new VariableExpansionException("Nested data structures are not supported."); |
853 | |
} |
854 | |
|
855 | 1584 | if (obj instanceof Collection || obj.getClass().isArray()) |
856 | |
{ |
857 | 32 | return true; |
858 | |
} |
859 | 1552 | return false; |
860 | |
} |
861 | |
|
862 | |
|
863 | |
|
864 | |
|
865 | |
|
866 | |
|
867 | |
|
868 | |
private String expandMap(Operator operator, VarSpec varSpec, Map<String, Object> variable) |
869 | |
throws VariableExpansionException |
870 | |
{ |
871 | 204 | if (variable == null || variable.isEmpty()) |
872 | |
{ |
873 | 10 | return null; |
874 | |
} |
875 | |
|
876 | 194 | List<String> stringValues = new ArrayList<String>(); |
877 | 194 | String pairJoiner = "="; |
878 | 194 | if (varSpec.getModifier() != Modifier.EXPLODE) |
879 | |
{ |
880 | 32 | pairJoiner = ","; |
881 | |
} |
882 | 194 | String joiner = operator.getSeparator(); |
883 | 194 | if (varSpec.getModifier() != Modifier.EXPLODE) |
884 | |
{ |
885 | 32 | joiner = operator.getListSeparator(); |
886 | |
} |
887 | 194 | for (Entry<String, Object> entry : variable.entrySet()) |
888 | |
{ |
889 | |
|
890 | 438 | String key = entry.getKey(); |
891 | |
String value; |
892 | 438 | if(checkValue(entry.getValue())) |
893 | |
{ |
894 | 16 | value = joinParts(",", entry.getValue()); |
895 | |
} |
896 | |
else |
897 | |
{ |
898 | 420 | if(isSimpleType(entry.getValue())) |
899 | |
{ |
900 | 418 | value = entry.getValue().toString(); |
901 | |
} |
902 | |
else |
903 | |
{ |
904 | 2 | throw new VariableExpansionException("Collections or other complex types are not supported in collections."); |
905 | |
} |
906 | |
} |
907 | |
|
908 | 434 | String pair = expandStringValue(operator, varSpec, key, VarSpec.VarFormat.PAIRS) + pairJoiner |
909 | 434 | + expandStringValue(operator, varSpec, value, VarSpec.VarFormat.PAIRS); |
910 | |
|
911 | 434 | stringValues.add(pair); |
912 | 434 | } |
913 | |
|
914 | 190 | if (varSpec.getModifier() != Modifier.EXPLODE |
915 | |
&& (operator == Operator.MATRIX || operator == Operator.QUERY || operator == Operator.CONTINUATION)) |
916 | |
{ |
917 | 12 | String joinedValues = joinParts(joiner, stringValues); |
918 | 12 | if (operator == Operator.QUERY && joinedValues == null) |
919 | |
{ |
920 | 0 | return varSpec.getVariableName() + "="; |
921 | |
} |
922 | 12 | return varSpec.getVariableName() + "=" + joinedValues; |
923 | |
} |
924 | |
|
925 | 178 | return joinParts(joiner, stringValues); |
926 | |
} |
927 | |
|
928 | |
|
929 | |
|
930 | |
|
931 | |
|
932 | |
|
933 | |
|
934 | |
|
935 | |
|
936 | |
|
937 | |
|
938 | |
|
939 | |
|
940 | |
private String expandStringValue(Operator operator, VarSpec varSpec, String variable, VarSpec.VarFormat format) |
941 | |
throws VariableExpansionException |
942 | |
{ |
943 | |
String expanded; |
944 | |
|
945 | 1932 | if (varSpec.getModifier() == Modifier.PREFIX) |
946 | |
{ |
947 | 48 | int position = varSpec.getPosition(); |
948 | 48 | if (position < variable.length()) |
949 | |
{ |
950 | 44 | variable = variable.substring(0, position); |
951 | |
} |
952 | |
} |
953 | |
|
954 | |
try |
955 | |
{ |
956 | |
|
957 | 1932 | if (operator.getEncoding() == Encoding.UR) |
958 | |
{ |
959 | 366 | expanded = UriUtil.encodeFragment(variable); |
960 | |
} |
961 | |
else |
962 | |
{ |
963 | 1566 | expanded = UriUtil.encode(variable); |
964 | |
} |
965 | |
} |
966 | 0 | catch (UnsupportedEncodingException e) |
967 | |
{ |
968 | 0 | throw new VariableExpansionException("Could not expand variable due to a problem URI encoding the value.", e); |
969 | 1932 | } |
970 | |
|
971 | 1932 | if (operator.isNamed()) |
972 | |
{ |
973 | 824 | if (expanded.isEmpty() && !"&".equals(operator.getSeparator()) ) |
974 | |
{ |
975 | 8 | expanded = varSpec.getValue(); |
976 | |
} |
977 | 816 | else if (format == VarSpec.VarFormat.SINGLE) |
978 | |
{ |
979 | 170 | expanded = varSpec.getVariableName() + "=" + expanded; |
980 | |
} |
981 | |
|
982 | |
else |
983 | |
{ |
984 | 646 | if (varSpec.getModifier() == Modifier.EXPLODE && |
985 | 424 | operator.useVarNameWhenExploded() && |
986 | |
format != VarSpec.VarFormat.PAIRS) |
987 | |
{ |
988 | 64 | expanded = varSpec.getVariableName() + "=" + expanded; |
989 | |
} |
990 | |
|
991 | |
} |
992 | |
} |
993 | 1932 | return expanded; |
994 | |
} |
995 | |
|
996 | |
|
997 | |
private String joinParts(final String joiner, Object parts) |
998 | |
{ |
999 | 24 | if(parts instanceof Collection) |
1000 | |
{ |
1001 | 24 | Collection<String> values = (Collection)parts; |
1002 | 24 | List<String> v = new ArrayList<String>(); |
1003 | 24 | for(String s : values) |
1004 | |
{ |
1005 | 60 | v.add(s); |
1006 | 60 | } |
1007 | 24 | return joinParts(joiner,v); |
1008 | |
} |
1009 | 0 | else if (parts.getClass().isArray()) |
1010 | |
{ |
1011 | 0 | List<String> v = Arrays.asList((String[]) parts); |
1012 | 0 | return joinParts(joiner,v); |
1013 | |
} |
1014 | 0 | return null; |
1015 | |
|
1016 | |
} |
1017 | |
|
1018 | |
|
1019 | |
|
1020 | |
|
1021 | |
|
1022 | |
private String joinParts(final String joiner, List<String> parts) |
1023 | |
{ |
1024 | 1040 | if (parts.isEmpty()) |
1025 | |
{ |
1026 | 26 | return null; |
1027 | |
} |
1028 | |
|
1029 | 1014 | if (parts.size() == 1) |
1030 | |
{ |
1031 | 566 | return parts.get(0); |
1032 | |
} |
1033 | |
|
1034 | 448 | final StringBuilder builder = new StringBuilder(); |
1035 | 1694 | for (int i = 0; i < parts.size(); i++) |
1036 | |
{ |
1037 | 1246 | final String part = parts.get(i); |
1038 | 1246 | if (!part.isEmpty()) |
1039 | |
{ |
1040 | 1240 | builder.append(part); |
1041 | 1240 | if (parts.size() > 0 && i != (parts.size() - 1)) |
1042 | |
{ |
1043 | 798 | builder.append(joiner); |
1044 | |
} |
1045 | |
} |
1046 | |
|
1047 | |
} |
1048 | 448 | return builder.toString(); |
1049 | |
} |
1050 | |
|
1051 | |
|
1052 | |
|
1053 | |
|
1054 | |
|
1055 | |
|
1056 | |
|
1057 | |
private String joinParts(final Expression expression, List<String> parts) |
1058 | |
{ |
1059 | |
|
1060 | 54 | int[] index = getIndexForPartsWithNullsFirstIfQueryOrRegularSequnceIfNot(expression, parts); |
1061 | |
|
1062 | 54 | List<String> replacedParts = new ArrayList<String>(parts.size()); |
1063 | 144 | for(int i = 0; i < parts.size(); i++) { |
1064 | 90 | StringBuilder builder = new StringBuilder(); |
1065 | 90 | if(parts.get(index[i]) == null) |
1066 | |
{ |
1067 | 40 | builder.append('{'); |
1068 | 98 | while(i < parts.size() && parts.get(index[i]) == null) |
1069 | |
{ |
1070 | 58 | if(builder.length() == 1) |
1071 | |
{ |
1072 | 40 | builder.append(replacedParts.size() == 0 ? expression.getOperator().getPrefix() : expression.getOperator().getSeparator()); |
1073 | |
} |
1074 | |
else |
1075 | |
{ |
1076 | 18 | builder.append(DEFAULT_SEPARATOR); |
1077 | |
} |
1078 | 58 | builder.append(expression.getVarSpecs().get(index[i]).getValue()); |
1079 | 58 | i++; |
1080 | |
} |
1081 | 40 | i--; |
1082 | 40 | builder.append('}'); |
1083 | |
} else { |
1084 | 50 | if(expression.getOperator() != Operator.RESERVED) { |
1085 | 46 | builder.append(replacedParts.size() == 0 ? expression.getOperator().getPrefix() : expression.getOperator().getSeparator()); |
1086 | |
} |
1087 | 50 | builder.append(parts.get(index[i])); |
1088 | |
} |
1089 | 90 | replacedParts.add(builder.toString()); |
1090 | |
} |
1091 | 54 | return joinParts("", replacedParts); |
1092 | |
} |
1093 | |
|
1094 | |
|
1095 | |
|
1096 | |
|
1097 | |
|
1098 | |
|
1099 | |
|
1100 | |
private List<Object> arrayToList(Object array) throws VariableExpansionException |
1101 | |
{ |
1102 | 24 | List<Object> list = new ArrayList<Object>(); |
1103 | 24 | int length = Array.getLength(array); |
1104 | 90 | for (int i = 0; i < length; i++) |
1105 | |
{ |
1106 | 68 | final Object element = Array.get(array, i); |
1107 | 68 | if (element.getClass().isArray()) |
1108 | |
{ |
1109 | 2 | throw new VariableExpansionException("Multi-dimenesional arrays are not supported."); |
1110 | |
} |
1111 | 66 | list.add(element); |
1112 | |
} |
1113 | 22 | return list; |
1114 | |
} |
1115 | |
|
1116 | |
|
1117 | |
|
1118 | |
|
1119 | |
|
1120 | |
|
1121 | |
|
1122 | |
|
1123 | |
|
1124 | |
|
1125 | |
private int[] getIndexForPartsWithNullsFirstIfQueryOrRegularSequnceIfNot(final Expression expression, List<String> parts) |
1126 | |
{ |
1127 | 54 | int[] index = new int[parts.size()]; |
1128 | |
|
1129 | 54 | int inverse, forward = 0, backward = parts.size() - 1; |
1130 | 162 | for (int i = 0; i < parts.size(); i++) { |
1131 | 108 | if (expression.getOperator() == Operator.QUERY) |
1132 | |
{ |
1133 | 28 | inverse = parts.size() - i - 1; |
1134 | 28 | if (parts.get(i) != null) |
1135 | |
{ |
1136 | 10 | index[forward++] = i; |
1137 | |
} |
1138 | 28 | if (parts.get(inverse) == null) |
1139 | |
{ |
1140 | 18 | index[backward--] = inverse; |
1141 | |
} |
1142 | |
} |
1143 | |
else |
1144 | |
{ |
1145 | 80 | index[i] = i; |
1146 | |
} |
1147 | |
} |
1148 | 54 | return index; |
1149 | |
} |
1150 | |
|
1151 | |
|
1152 | |
|
1153 | |
|
1154 | |
|
1155 | |
|
1156 | |
|
1157 | |
|
1158 | |
|
1159 | |
|
1160 | |
|
1161 | |
|
1162 | |
|
1163 | |
} |