
/**
 * Redistribution and use of this software and associated documentation
 * ("Software"), with or without modification, are permitted provided
 * that the following conditions are met:
 *
 * 1. Redistributions of source code must retain copyright
 *    statements and notices.  Redistributions must also contain a
 *    copy of this document.
 *
 * 2. 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.
 *
 * 3. The name "Exolab" must not be used to endorse or promote
 *    products derived from this Software without prior written
 *    permission of Intalio, Inc.  For written permission,
 *    please contact info@exolab.org.
 *
 * 4. Products derived from this Software may not be called "Exolab"
 *    nor may "Exolab" appear in their names without prior written
 *    permission of Intalio, Inc. Exolab is a registered
 *    trademark of Intalio, Inc.
 *
 * 5. Due credit should be given to the Exolab Project
 *    (http://www.exolab.org/).
 *
 * THIS SOFTWARE IS PROVIDED BY INTALIO, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESSED 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
 * INTALIO, INC. OR ITS 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.
 *
 * Copyright 2000-2002 (C) Intalio, Inc. All Rights Reserved.
 *
 * $Id: XSNormalizedString.java,v 1.5 2005/03/05 13:41:44 mfuchs Exp $
 */
package org.exolab.castor.builder.types;

import org.exolab.castor.xml.schema.SimpleType;
import org.exolab.castor.xml.schema.Facet;
import org.exolab.javasource.JType;
import org.exolab.javasource.JSourceCode;
import org.exolab.javasource.JClass;

import java.util.Enumeration;

/**
 * <p>The XSType representing a normalizedString type.
 * <p>normalizedString is simply a XSString with some specific validation
 * @author <a href="blandin@intalio.com">Arnaud Blandin</a>
 * @version $Revision: 1.5 $ $Date: 2005/03/05 13:41:44 $
 */
public final class XSNormalizedString extends XSPatternBase {

	/**
	 * The JType represented by this XSType
	**/
	private static final JType jType = new JClass("java.lang.String");

	/**
	 * The length facet
	 */
	private int _length = 0;

	/**
	 * The max length facet
	**/
	private int maxLength = -1;

	/**
	 * The min length facet
	**/
	private int minLength = 0;

	/**
	 * Creates a new XSString
	 */
	public XSNormalizedString() {
		super(XSType.NORMALIZEDSTRING_TYPE);
	}

	/**
	 * Returns the Cdata necessary to convert an Object to
	 * an instance of this XSType. This method is really only useful
	 * for primitive types
	 * @param variableName the name of the Object
	 * @return the String necessary to convert an Object to an
	 * instance of this XSType
	**/
	public String createFromJavaObjectCode(String variableName) {
		return "(String)" + variableName;
	} //-- fromJavaObject

	/**
	 * Returns the JType that this XSType represents
	 * @return the JType that this XSType represents
	**/
	public JType getJType() {
		return XSNormalizedString.jType;
	} //-- getJType

	/**
	 * Returns the maximum length occurances of this type can be.
	 * A negative value denotes no maximum length
	 * @return the maximum length facet
	**/
	public int getMaxLength() {
		return maxLength;
	} //-- getMaxLength

	/**
	 * Returns the minimum length occurances of this type can be.
	 * @return the minimum length facet
	**/
	public int getMinLength() {
		return minLength;
	} //-- getMinLength

	/**
	 * Returns the length that this type must have
	 * @return the length that this type must have
	 */
	public int getLength() {
		return this._length;
	}
	/**
	 * Returns true if a maximum length has been set
	 * @return true if a maximum length has been set
	**/
	public boolean hasMaxLength() {
		return (maxLength >= 0);
	} //-- hasMaxLength

	/**
	 * Returns true if a minimum length has been set
	 * @return true if a minimum length has been set
	**/
	public boolean hasMinLength() {
		return (minLength > 0);
	} //-- hasMinLength

	/**
	 * Returns true if a length has been set
	 * @return true if a length has been set
	 */
	public boolean hasLength() {
		return (_length > 0);
	}

	/**
	 * Sets the length of this XSCDATA
	 * While setting the length, the maxLength and minLength are also
	 * set up to this length
	 * @param length the length to set
	 * @see #setMaxLength
	 * @see #setMinLength
	 */
	public void setLength(int length) {
		this._length = length;
		setMaxLength(length);
		setMinLength(length);
	}

	/**
	 * Sets the maximum length of this XSCDATA. To remove the max length
	 * facet, use a negative value.
	 * @param maxLength the maximum length for occurances of this type
	**/
	public void setMaxLength(int maxLength) {
		this.maxLength = maxLength;
	} //-- setMaxLength

	/**
	 * Sets the minimum length of this XSCDATA.
	 * @param minLength the minimum length for occurances of this type
	**/
	public void setMinLength(int minLength) {
		this.minLength = minLength;
	} //-- setMinLength

	public void setFacets(SimpleType simpleType) {
		//-- copy valid facets
		Enumeration enumeration = getFacets(simpleType);
		while (enumeration.hasMoreElements()) {

			Facet facet = (Facet) enumeration.nextElement();
			String name = facet.getName();

			//-- maxLength
			if (Facet.MAX_LENGTH.equals(name))
				setMaxLength(facet.toInt());
			//-- minLength
			else if (Facet.MIN_LENGTH.equals(name))
				setMinLength(facet.toInt());
			//-- length
			else if (Facet.LENGTH.equals(name))
				setLength(facet.toInt());
			else if (Facet.PATTERN.equals(name))
				setPattern(facet.getValue());

		}
	}

	/**
	 * Creates the validation code for an instance of this XSType. The validation
     * code should if necessary create a newly configured TypeValidator, that
     * should then be added to a FieldValidator instance whose name is provided.
	 * 
	 * @param fixedValue a fixed value to use if any
	 * @param jsc the JSourceCode to fill in.
     * @param fieldValidatorInstanceName the name of the FieldValidator
     * that the configured TypeValidator should be added to.
	 */
	public void validationCode (JSourceCode jsc, String fixedValue, String fieldValidatorInstanceName) {
		if (jsc == null)
			jsc = new JSourceCode();
		jsc.add("NameValidator typeValidator = new NameValidator(NameValidator.CDATA);");
		if ((hasMinLength()) && (!hasLength())) {
			jsc.add("typeValidator.setMinLength(");
			jsc.append(Integer.toString(getMinLength()));
			jsc.append(");");
		}
		if ((hasMaxLength()) && (!hasLength())) {
			jsc.add("typeValidator.setMaxLength(");
			jsc.append(Integer.toString(getMaxLength()));
			jsc.append(");");
		}
		if (hasLength()) {
			jsc.add("typeValidator.setLength(");
			jsc.append(Integer.toString(getLength()));
			jsc.append(");");
		}
		//-- fixed values
		if (fixedValue != null) {
			jsc.add("typeValidator.setFixed(\"");
			jsc.append(fixedValue);
			jsc.append("\");");
		}
		//-- pattern facet
		String pattern = getPattern();
		if (pattern != null) {
			jsc.add("typeValidator.setPattern(\"");
			jsc.append(escapePattern(pattern));
			jsc.append("\");");
		}
        jsc.add(fieldValidatorInstanceName+".setValidator(typeValidator);");
		
	}
} //-- XSNormalizedString