/*
 * Copyright 2007 Andrew Fawcett, Ralf Joachim
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */
package org.exolab.castor.builder.types;

import org.exolab.javasource.JClass;
import org.exolab.javasource.JSourceCode;
import org.exolab.javasource.JType;

/**
 * The xsd:decimal XML Schema datatype.
 * 
 * @author <a href="mailto:andrew DOT fawcett AT coda DOT com">Andrew Fawcett</a>
 * @author <a href="mailto:ralf DOT joachim AT syscon DOT eu">Ralf Joachim</a>
 * @version $Revision$ $Date: 2005-12-13 14:58:48 -0700 (Tue, 13 Dec 2005) $
 */
public final class XSDecimal extends AbstractDigitsFacet {
  // --------------------------------------------------------------------------

  /** Name of this XSType. */
  public static final String NAME = "decimal";

  /** Type number of this XSType. */
  public static final short TYPE = XSType.DECIMAL_TYPE;

  /** The JType represented by this XSType. */
  private static final JType JTYPE = new JClass("java.math.BigDecimal");

  // --------------------------------------------------------------------------

  /**
   * No-arg constructor.
   */
  public XSDecimal() {
    super(false);
  }

  // --------------------------------------------------------------------------

  /**
   * {@inheritDoc}
   */
  public String getName() {
    return NAME;
  }

  /**
   * {@inheritDoc}
   */
  public short getType() {
    return TYPE;
  }

  /**
   * {@inheritDoc}
   */
  public boolean isPrimitive() {
    return false;
  }

  /**
   * {@inheritDoc}
   */
  public boolean isDateTime() {
    return false;
  }

  /**
   * {@inheritDoc}
   */
  public JType getJType() {
    return JTYPE;
  }

  /**
   * {@inheritDoc}
   */
  public String newInstanceCode() {
    return "new java.math.BigDecimal(0);";
  }

  /**
   * {@inheritDoc}
   */
  public String createToJavaObjectCode(final String variableName) {
    return variableName;
  }

  /**
   * {@inheritDoc}
   */
  public String createFromJavaObjectCode(final String variableName) {
    return "(java.math.BigDecimal) " + variableName;
  }

  // --------------------------------------------------------------------------

  /**
   * {@inheritDoc}
   */
  public void validationCode(final JSourceCode jsc, final String fixedValue,
      final String validatorInstanceName) {
    jsc.add("org.exolab.castor.xml.validators.DecimalValidator typeValidator;\n"
        + "typeValidator = new org.exolab.castor.xml.validators.DecimalValidator();\n"
        + "{0}.setValidator(typeValidator);", validatorInstanceName);

    if (fixedValue != null) {
      jsc.add("typeValidator.setFixed(" + fixedValue + ");");
    }

    codePatternFacet(jsc, "typeValidator");
    codeWhiteSpaceFacet(jsc, "typeValidator");

    if (getMinExclusive() != null) {
      jsc.add("java.math.BigDecimal min = new java.math.BigDecimal(\"{0}\");\n"
          + "typeValidator.setMinExclusive(min);", getMinExclusive());
    } else if (getMinInclusive() != null) {
      jsc.add("java.math.BigDecimal min = new java.math.BigDecimal(\"{0}\");\n"
          + "typeValidator.setMinInclusive(min);", getMinInclusive());
    }

    if (getMaxExclusive() != null) {
      jsc.add("java.math.BigDecimal max = new java.math.BigDecimal(\"{0}\");\n"
          + "typeValidator.setMaxExclusive(max);", getMaxExclusive());
    } else if (getMaxInclusive() != null) {
      jsc.add("java.math.BigDecimal max = new java.math.BigDecimal(\"{0}\");\n"
          + "typeValidator.setMaxInclusive(max);", getMaxInclusive());
    }

    codeDigitsFacet(jsc, "typeValidator");
  }

  // --------------------------------------------------------------------------
}
