MockFieldValue.java

/*
 * Copyright (c) 2012, Stephen Colebourne & Michael Nascimento Santos
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  * Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 *  * Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 *  * Neither the name of JSR-310 nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package javax.time.calendrical;

import java.time.DateTimeException;
import java.time.calendrical.ChronoField;
import java.time.calendrical.DateTimeField;
import java.time.calendrical.DateTimeValueRange;
import java.time.jdk8.DefaultInterfaceDateTimeAccessor;

/**
 * Mock simple date-time with one field-value.
 */
public final class MockFieldValue extends DefaultInterfaceDateTimeAccessor {

  private final DateTimeField field;

  private final long value;

  public MockFieldValue(DateTimeField field, long value) {

    this.field = field;
    this.value = value;
  }

  @Override
  public boolean isSupported(DateTimeField field) {

    return field != null && field.equals(this.field);
  }

  @Override
  public DateTimeValueRange range(DateTimeField field) {

    if (field instanceof ChronoField) {
      if (isSupported(field)) {
        return field.range();
      }
      throw new DateTimeException("Unsupported field: " + field.getName());
    }
    return field.doRange(this);
  }

  @Override
  public long getLong(DateTimeField field) {

    if (this.field.equals(field)) {
      return this.value;
    }
    throw new DateTimeException("Unsupported field: " + field);
  }

}