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org.jibx.schema.elements.CommonSimpleModification Maven / Gradle / Ivy

/*
Copyright (c) 2006-2009, Dennis M. Sosnoski
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 JiBX 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 org.jibx.schema.elements;

import org.jibx.runtime.IUnmarshallingContext;
import org.jibx.runtime.JiBXException;
import org.jibx.schema.validation.ValidationContext;

/**
 * Base representation for all simple type modification elements. This includes
 * both extension and restriction, but only when used with simple
 * types.
 *
 * @author Dennis M. Sosnoski
 */
public class CommonSimpleModification extends CommonTypeDerivation
{
    /** Mask bits for attribute child elements. */
    private long ATTRIBUTE_MASK = ELEMENT_MASKS[ATTRIBUTE_TYPE] |
        ELEMENT_MASKS[ATTRIBUTEGROUP_TYPE];
    
    /** Mask bits for attribute child elements. */
    private long ANYATTRIBUTE_MASK = ELEMENT_MASKS[ANYATTRIBUTE_TYPE];
    
    //
    // Instance data
    
    /** Filtered list of attribute definitions. */
    private final FilteredSegmentList m_attributeList;
    
    /** Filtered list of anyAttribute definitions (zero or one). */
    private final FilteredSegmentList m_anyAttributeList;
    
	/**
     * Constructor.
     * 
     * @param type actual element type
     */
    public CommonSimpleModification(int type) {
    	super(type);
        m_attributeList = new FilteredSegmentList(getChildrenWritable(),
            ATTRIBUTE_MASK, this);
        m_anyAttributeList = new FilteredSegmentList(getChildrenWritable(),
            ANYATTRIBUTE_MASK, m_attributeList, this);
    }

    //
    // Base class overrides

    /* (non-Javadoc)
     * @see org.jibx.schema.elements.CommonTypeDerivation#isComplexType()
     */
    public boolean isComplexType() {
        return false;
    }

    /* (non-Javadoc)
     * @see org.jibx.schema.elements.CommonTypeDerivation#isExtension()
     */
    public boolean isExtension() {
        return true;
    }
    
    /*
     * (non-Javadoc)
     * 
     * @see org.jibx.schema.ElementBase#preset(org.jibx.runtime.IUnmarshallingContext)
     */
    protected void preset(IUnmarshallingContext ictx) throws JiBXException {
        validateAttributes(ictx, s_allowedAttributes);
        super.preset(ictx);
    }

    //
    // Access methods
    
    /**
     * Get list of attribute child elements. This list must be empty when
     * a simpleContent or complexContent definition is used.
     *
     * @return list of attributes
     */
    public FilteredSegmentList getAttributeList() {
        return m_attributeList;
    }
    
    /**
     * Get anyAttribute child element.
     * 
     * @return element, or null if none
     */
    public AnyAttributeElement getAnyAttribute() {
        return m_anyAttributeList.size() > 0 ?
            (AnyAttributeElement)m_anyAttributeList.get(0) : null;
    }

    /**
     * Set anyAttribute child element.
     *
     * @param element element, or null if unsetting
     */
    public void setAnyAttribute(AnyAttributeElement element) {
        m_anyAttributeList.clear();
        if (element != null) {
            m_anyAttributeList.add(element);
        }
    }
    
    //
    // Validation methods

    /* (non-Javadoc)
     * @see org.jibx.schema.ComponentBase#prevalidate(org.jibx.schema.ValidationContext)
     */
    public void prevalidate(ValidationContext vctx) {
        
        // check form of definition
        if (m_anyAttributeList.size() > 1) {
            vctx.addError("Only one  child allowed", this);
        }
        
        // continue with parent class prevalidation
        super.prevalidate(vctx);
    }
}




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