/*
 * Copyright 2007 Keith Visco, 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:int XML Schema type.
 *
 * @author <a href="mailto:keith AT kvisco DOT com">Keith Visco</a>
 * @author <a href="mailto:ralf DOT joachim AT syscon DOT eu">Ralf Joachim</a>
 * @version $Revision$ $Date: 2006-04-25 15:08:23 -0600 (Tue, 25 Apr 2006) $
 */
public final class XSInt extends AbstractDigitsFacet {
  // --------------------------------------------------------------------------

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

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

  /** A constant holding the minimum value an xsd:int can have, -2<sup>31</sup>. */
  public static final String MIN_VALUE = Integer.toString(Integer.MIN_VALUE);

  /** A constant holding the maximum value an xsd:int can have, 2<sup>31</sup>-1. */
  public static final String MAX_VALUE = Integer.toString(Integer.MAX_VALUE);

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

  /** True if this type is implemented using the wrapper class. */
  private final boolean _asWrapper;

  /** The JType represented by this XSType. */
  private final JType _jType;

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

  /**
   * No-arg constructor.
   */
  public XSInt() {
    this(false);
  }

  /**
   * Constructs a new XSInt.
   * 
   * @param asWrapper If true, use the java.lang wrapper class.
   */
  public XSInt(final boolean asWrapper) {
    super();

    _asWrapper = asWrapper;
    if (_asWrapper) {
      _jType = new JClass("java.lang.Integer");
    } else {
      _jType = JType.INT;
    }

    setMinInclusive(MIN_VALUE);
    setMaxInclusive(MAX_VALUE);
  }

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

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

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

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

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

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

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

  /**
   * {@inheritDoc}
   */
  public String createDefaultValueWithString(final String variableName) {
    if (_asWrapper) {
      return "new java.lang.Integer(" + variableName + ")";
    }
    return "new java.lang.Integer(" + variableName + ").intValue()";
  }

  /**
   * {@inheritDoc}
   */
  public String createToJavaObjectCode(final String variableName) {
    if (_asWrapper) {
      return variableName;
    }
    return "new java.lang.Integer(" + variableName + ")";
  }

  /**
   * {@inheritDoc}
   */
  public String createFromJavaObjectCode(final String variableName) {
    if (_asWrapper) {
      return "((java.lang.Integer) " + variableName + ")";
    }
    return "((java.lang.Integer) " + variableName + ").intValue()";
  }

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

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

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

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

    if (getMinExclusive() != null) {
      jsc.add("typeValidator.setMinExclusive(" + getMinExclusive() + ");");
    } else if (getMinInclusive() != null) {
      jsc.add("typeValidator.setMinInclusive(" + getMinInclusive() + ");");
    }

    if (getMaxExclusive() != null) {
      jsc.add("typeValidator.setMaxExclusive(" + getMaxExclusive() + ");");
    } else if (getMaxInclusive() != null) {
      jsc.add("typeValidator.setMaxInclusive(" + getMaxInclusive() + ");");
    }

    codeDigitsFacet(jsc, "typeValidator");
  }

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