/*
    * Copyright 2007 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.castor.xml.schema.Facet;
  import org.exolab.javasource.JSourceCode;
  
  /**
   * A base class for types which support the range, whiteSpace and pattern facets.
   * 
   * @author <a href="mailto:ralf DOT joachim AT syscon DOT eu">Ralf Joachim</a>
   * @version $Revision: 6623 $ $Date: 2005-03-05 06:42:06 -0700 (Sat, 05 Mar 2005) $
   * @since 1.1
   */
  public abstract class AbstractRangeFacet extends AbstractWhiteSpaceFacet {
  
    /** Maximum Date (exclusive). */
    private String _maxExclusive;
  
    /** Maximum Date (inclusive). */
    private String _maxInclusive;
  
    /** Minimum Date (exclusive). */
    private String _minExclusive;
  
    /** Minimum Date (inclusive). */
    private String _minInclusive;
  
    private String _positiveInfinity;
  
    private String _negativeInfinity;
  
    /**
     * Returns true if a maximum (inclusive or exclusive) has been set.
     * 
     * @return True if a maximum (inclusive or exclusive) has been set.
     */
    public final boolean hasMaximum() {
      return (_maxInclusive != null) || (_maxExclusive != null);
    }
  
    /**
     * Returns the maximum exclusive value that this XSDate can hold.
     * 
     * @return The maximum exclusive value that this XSDate can hold. If no maximum exclusive value
     *         has been set, Null will be returned.
     */
    public final String getMaxExclusive() {
      return _maxExclusive;
    }
  
    /**
     * Sets the maximum exclusive value that this XSDate can hold.
     * 
     * @param max The maximum exclusive value this XSDate can be.
     */
    public final void setMaxExclusive(final String max) {
      _maxExclusive = max;
      _maxInclusive = null;
    }
  
    /**
     * Returns the maximum inclusive value that this XSDate can hold.
     * 
     * @return The maximum inclusive value that this XSDate can hold. If no maximum inclusive value
     *         has been set, Null will be returned.
     */
    public final String getMaxInclusive() {
      return _maxInclusive;
    }
  
    /**
     * Sets the maximum inclusive value that this XSDate can hold.
     * 
     * @param max The maximum inclusive value this XSDate can be.
     */
    public final void setMaxInclusive(final String max) {
      _maxInclusive = max;
      _maxExclusive = null;
    }
  
    /**
     * Returns true if a minimum (inclusive or exclusive) has been set.
     * 
     * @return True if a minimum (inclusive or exclusive) has been set.
     */
    public final boolean hasMinimum() {
      return (_minInclusive != null) || (_minExclusive != null);
   }
 
   /**
    * Returns the minimum exclusive value that this XSDate can hold.
    * 
    * @return The minimum exclusive value that this XSDate can hold. If no minimum exclusive value
    *         has been set, Null will be returned.
    */
   public final String getMinExclusive() {
     return _minExclusive;
   }
 
   /**
    * Sets the minimum exclusive value that this XSDate can hold.
    * 
    * @param min The minimum exclusive value this XSDate can be.
    */
   public final void setMinExclusive(final String min) {
     _minExclusive = min;
     _minInclusive = null;
   }
 
   /**
    * Returns the minimum inclusive value that this XSDate can hold.
    * 
    * @return The minimum inclusive value that this XSDate can be.
    */
   public final String getMinInclusive() {
     return _minInclusive;
   }
 
   /**
    * Sets the minimum inclusive value that this XSDate can hold.
    * 
    * @param min The minimum inclusive value this XSDate can be.
    */
   public final void setMinInclusive(final String min) {
     _minInclusive = min;
     _minExclusive = null;
   }
 
   public final void setPositiveInfinity(final String positiveInfity) {
     _positiveInfinity = positiveInfity;
   }
 
   public final void setNegativeInfinity(final String negativeInfity) {
     _negativeInfinity = negativeInfity;
   }
 
   public final boolean hasPositiveInfinity() {
     return _positiveInfinity != null;
   }
 
   public final boolean hasNegavtiveInfinity() {
     return _negativeInfinity != null;
   }
 
   public final String getPositiveInfinity() {
     return _positiveInfinity;
   }
 
   public final String getNegativeInfinity() {
     return _negativeInfinity;
   }
 
   /**
    * {@inheritDoc}
    */
   protected void setFacet(final Facet facet) {
     super.setFacet(facet);
     setRangeFacet(facet);
   }
 
   /**
    * Transfer given facet if it is a range.
    *
    * @param facet The facet to transfer.
    */
   protected final void setRangeFacet(final Facet facet) {
     String name = facet.getName();
     if (Facet.MAX_EXCLUSIVE.equals(name)) {
       setMaxExclusive(facet.getValue());
     } else if (Facet.MAX_INCLUSIVE.equals(name)) {
       setMaxInclusive(facet.getValue());
     } else if (Facet.MIN_EXCLUSIVE.equals(name)) {
       setMinExclusive(facet.getValue());
     } else if (Facet.MIN_INCLUSIVE.equals(name)) {
       setMinInclusive(facet.getValue());
     }
   }
 
   /**
    * Generate the source code for pattern facet validation.
    *
    * @param jsc The JSourceCode to fill in.
    * @param validatorName The name of the TypeValidator that the range should be added to.
    */
   protected final void codeRangeFacet(final JSourceCode jsc, final String validatorName) {
     // maxInclusive / maxExclusive facets (only one or the other, never both)
     if (_maxInclusive != null) {
       jsc.add("{0}.setMaxInclusive(\"{1}\");", validatorName, getMaxInclusive());
     } else if (_maxExclusive != null) {
       jsc.add("{0}.setMaxExclusive(\"{1}\");", validatorName, getMaxExclusive());
     }
 
     // minInclusive / minExclusive facets (only one or the other, never both)
     if (_minInclusive != null) {
       jsc.add("{0}.setMinInclusive(\"{1}\");", validatorName, getMinInclusive());
     } else if (_minExclusive != null) {
       jsc.add("{0}.setMinExclusive(\"{1}\");", validatorName, getMinExclusive());
     }
 
     // if (_positiveInfinity != null) {
     // jsc.add("{0}.setPositiveInfinity(\"{1}\");", validatorName, getPositiveInfinity());
     // }
     //
     // if (_negativeInfinity != null) {
     // jsc.add("{0}.setNegativeInfinity(\"{1}\");", validatorName, getNegativeInfinity());
     // }
   }
 
 }