Java ZoneRulesProvider.getRules方法代码示例

import java.time.zone.ZoneRulesProvider; //导入方法依赖的package包/类
/**
 * Obtains an instance of {@code ZoneId} from an identifier.
 *
 * @param zoneId  the time-zone ID, not null
 * @param checkAvailable  whether to check if the zone ID is available
 * @return the zone ID, not null
 * @throws DateTimeException if the ID format is invalid
 * @throws DateTimeException if checking availability and the ID cannot be found
 */
static ZoneRegion ofId(String zoneId, boolean checkAvailable) {
    Jdk8Methods.requireNonNull(zoneId, "zoneId");
    if (zoneId.length() < 2 || PATTERN.matcher(zoneId).matches() == false) {
        throw new DateTimeException("Invalid ID for region-based ZoneId, invalid format: " + zoneId);
    }
    ZoneRules rules = null;
    try {
        // always attempt load for better behavior after deserialization
        rules = ZoneRulesProvider.getRules(zoneId, true);
    } catch (ZoneRulesException ex) {
        // special case as removed from data file
        if (zoneId.equals("GMT0")) {
            rules = ZoneOffset.UTC.getRules();
        } else if (checkAvailable) {
            throw ex;
        }
    }
    return new ZoneRegion(zoneId, rules);
}
 

import java.time.zone.ZoneRulesProvider; //导入方法依赖的package包/类
/**
 * Obtains an instance of {@code ZoneId} from an identifier.
 * 
 * @param zoneId the time-zone ID, not null
 * @param checkAvailable whether to check if the zone ID is available
 * @return the zone ID, not null
 * @throws DateTimeException if the ID format is invalid
 * @throws DateTimeException if checking availability and the ID cannot be found
 */
static ZoneRegion ofId(String zoneId, boolean checkAvailable) {

  Jdk7Methods.Objects_requireNonNull(zoneId, "zoneId");
  if (zoneId.length() < 2 || zoneId.startsWith("UTC") || zoneId.startsWith("GMT")
      || (PATTERN.matcher(zoneId).matches() == false)) {
    throw new DateTimeException("ZoneId format is not a valid region format");
  }
  ZoneRules rules = null;
  try {
    // always attempt load for better behavior after deserialization
    rules = ZoneRulesProvider.getRules(zoneId);
  } catch (ZoneRulesException ex) {
    if (checkAvailable) {
      throw ex;
    }
  }
  return new ZoneRegion(zoneId, rules);
}
 

import java.time.zone.ZoneRulesProvider; //导入方法依赖的package包/类
/**
 * Obtains an instance of {@code ZoneId} from an identifier.
 *
 * @param zoneId  the time-zone ID, not null
 * @param checkAvailable  whether to check if the zone ID is available
 * @return the zone ID, not null
 * @throws DateTimeException if the ID format is invalid
 * @throws ZoneRulesException if checking availability and the ID cannot be found
 */
static ZoneRegion ofId(String zoneId, boolean checkAvailable) {
    Objects.requireNonNull(zoneId, "zoneId");
    checkName(zoneId);
    ZoneRules rules = null;
    try {
        // always attempt load for better behavior after deserialization
        rules = ZoneRulesProvider.getRules(zoneId, true);
    } catch (ZoneRulesException ex) {
        if (checkAvailable) {
            throw ex;
        }
    }
    return new ZoneRegion(zoneId, rules);
}
 

import java.time.zone.ZoneRulesProvider; //导入方法依赖的package包/类
@Test
public void test_getRules_StringBoolean() {
    ZoneRules rules = ZoneRulesProvider.getRules("Europe/London", false);
    assertNotNull(rules);
    ZoneRules rules2 = ZoneRulesProvider.getRules("Europe/London", false);
    assertEquals(rules2, rules);
}
 

import java.time.zone.ZoneRulesProvider; //导入方法依赖的package包/类
@Test
public void test_getVersions_String() {
    NavigableMap<String, ZoneRules> versions = ZoneRulesProvider.getVersions("Europe/London");
    assertTrue(versions.size() >= 1);
    ZoneRules rules = ZoneRulesProvider.getRules("Europe/London", false);
    assertEquals(versions.lastEntry().getValue(), rules);

    NavigableMap<String, ZoneRules> copy = new TreeMap<>(versions);
    versions.clear();
    assertEquals(versions.size(), 0);
    NavigableMap<String, ZoneRules> versions2 = ZoneRulesProvider.getVersions("Europe/London");
    assertEquals(versions2, copy);
}
 

import java.time.zone.ZoneRulesProvider; //导入方法依赖的package包/类
@Override
public ZoneRules getRules() {

  // additional query for group provider when null allows for possibility
  // that the provider was added after the ZoneId was created
  return (this.rules != null ? this.rules : ZoneRulesProvider.getRules(this.id));
}
 

import java.time.zone.ZoneRulesProvider; //导入方法依赖的package包/类
@Test(groups = { "tck" })
public void test_getRules_String() {

  ZoneRules rules = ZoneRulesProvider.getRules("Europe/London");
  assertNotNull(rules);
  ZoneRules rules2 = ZoneRulesProvider.getRules("Europe/London");
  assertEquals(rules2, rules);
}
 

import java.time.zone.ZoneRulesProvider; //导入方法依赖的package包/类
@Test(groups = { "tck" })
public void test_getVersions_String() {

  NavigableMap<String, ZoneRules> versions = ZoneRulesProvider.getVersions("Europe/London");
  assertTrue(versions.size() >= 1);
  ZoneRules rules = ZoneRulesProvider.getRules("Europe/London");
  assertEquals(versions.lastEntry().getValue(), rules);

  NavigableMap<String, ZoneRules> copy = new TreeMap<>(versions);
  versions.clear();
  assertEquals(versions.size(), 0);
  NavigableMap<String, ZoneRules> versions2 = ZoneRulesProvider.getVersions("Europe/London");
  assertEquals(versions2, copy);
}
 

import java.time.zone.ZoneRulesProvider; //导入方法依赖的package包/类
@Override
public ZoneRules getRules() {
    // additional query for group provider when null allows for possibility
    // that the provider was updated after the ZoneId was created
    return (rules != null ? rules : ZoneRulesProvider.getRules(id, false));
}
 

import java.time.zone.ZoneRulesProvider; //导入方法依赖的package包/类
@Test(expectedExceptions=ZoneRulesException.class)
public void test_getRules_StringBoolean_unknownId() {
    ZoneRulesProvider.getRules("Europe/Lon", false);
}
 

import java.time.zone.ZoneRulesProvider; //导入方法依赖的package包/类
@Test(expectedExceptions=NullPointerException.class)
public void test_getRules_StringBoolean_null() {
    ZoneRulesProvider.getRules(null, false);
}
 

import java.time.zone.ZoneRulesProvider; //导入方法依赖的package包/类
@Override
public ZoneRules getRules() {
    // additional query for group provider when null allows for possibility
    // that the provider was added after the ZoneId was created
    return (rules != null ? rules : ZoneRulesProvider.getRules(id, false));
}
 

import java.time.zone.ZoneRulesProvider; //导入方法依赖的package包/类
@Test(groups = { "tck" }, expectedExceptions = ZoneRulesException.class)
public void test_getRules_String_unknownId() {

  ZoneRulesProvider.getRules("Europe/Lon");
}
 

import java.time.zone.ZoneRulesProvider; //导入方法依赖的package包/类
@Test(groups = { "tck" }, expectedExceptions = NullPointerException.class)
public void test_getRules_String_null() {

  ZoneRulesProvider.getRules(null);
}