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/*
* Copyright (c) 2007-2010, 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.codegen.custom;
import java.util.Arrays;
import org.jibx.runtime.IUnmarshaller;
import org.jibx.runtime.IUnmarshallingContext;
import org.jibx.runtime.JiBXException;
import org.jibx.runtime.impl.UnmarshallingContext;
import org.jibx.schema.elements.FacetElement;
import org.jibx.schema.elements.SchemaBase;
import org.jibx.schema.validation.ProblemLocation;
import org.jibx.schema.validation.ValidationContext;
import org.jibx.util.StringArray;
/**
* Unmarshaller class for all nested customizations. This is used for all the customizations below the <schema>
* level.
*/
public class ComponentCustomUnmarshaller implements IUnmarshaller
{
/** Attribute names allowed for all types of components. */
public static final StringArray s_baseAttributes =
new StringArray(new String[] { "inline", "path", "position" }, NestingCustomBase.s_allowedAttributes);
/** Attribute names allowed for all excludable components. */
public static final StringArray s_ignorableAttributes =
new StringArray(new String[] { "exclude" }, s_baseAttributes);
/** Mask for elements with values but no names. */
private static final long s_unnamedValueMask;
/** Allowed attribute names for customizing elements with values but no names. */
public static final StringArray s_unnamedValueAttributes =
new StringArray(new String[] { "class-name", "type", "value-name" }, s_ignorableAttributes);
/** Mask for elements with values and names. */
private static final long s_namedValueMask;
/** Allowed attribute names for customizing elements with values and names. */
public static final StringArray s_namedValueAttributes =
new StringArray(new String[] { "name" }, s_unnamedValueAttributes);
/** Mask for elements with names which can be ignored. */
private static final long s_namedIgnorableValueMask;
/** Allowed attribute names for customizing elements with values and names. */
public static final StringArray s_namedIgnorableValueAttributes =
new StringArray(new String[] { "ignore" }, s_namedValueAttributes);
/** Mask for type definition elements. */
private static final long s_typeDefinitionMask;
/** Allowed attribute names for type definition elements. */
public static final StringArray s_typeDefinitionAttributes =
new StringArray(new String[] { "class-name", "name" }, s_ignorableAttributes);
/** Mask for elements which are not deletable but do support nesting. */
private static final long s_simpleNestingMask;
/** Mask for elements which are deletable but do not support nesting. */
private static final long s_deletableLeafMask;
static {
long[] masks = SchemaBase.ELEMENT_MASKS;
long mask = masks[SchemaBase.ATTRIBUTE_TYPE];
mask |= masks[SchemaBase.ELEMENT_TYPE];
s_namedIgnorableValueMask = mask;
mask |= masks[SchemaBase.ATTRIBUTEGROUP_TYPE];
mask |= masks[SchemaBase.GROUP_TYPE];
s_namedValueMask = mask;
mask = masks[SchemaBase.ALL_TYPE];
mask |= masks[SchemaBase.CHOICE_TYPE];
mask |= masks[SchemaBase.SEQUENCE_TYPE];
s_unnamedValueMask = mask;
mask = masks[SchemaBase.COMPLEXTYPE_TYPE];
mask |= masks[SchemaBase.SIMPLETYPE_TYPE];
s_typeDefinitionMask = mask;
mask = SchemaBase.COMPLEXCONTENT_TYPE;
mask |= masks[SchemaBase.EXTENSION_TYPE];
mask |= masks[SchemaBase.LIST_TYPE];
mask |= masks[SchemaBase.RESTRICTION_TYPE];
mask |= masks[SchemaBase.SIMPLECONTENT_TYPE];
mask |= masks[SchemaBase.UNION_TYPE];
s_simpleNestingMask = mask;
mask = FacetElement.FACET_ELEMENT_MASK;
mask |= masks[SchemaBase.ANY_TYPE];
mask |= masks[SchemaBase.ANYATTRIBUTE_TYPE];
s_deletableLeafMask = mask;
};
/**
* Check if element present. If there's a start tag, we want to handle it.
*
* @param ctx Unmarshalling Context
* @return true if at a start tag
* @throws JiBXException error
*/
public boolean isPresent(IUnmarshallingContext ctx) throws JiBXException {
return ctx.isStart();
}
/**
* Unmarshal the element. This matches the current start tag name to the corresponding schema component element,
* then unmarshals the content based on the type of schema element (invoking the abstract unmarshaller defined
* in the binding for the actual content).
*
* @param obj ignored
* @param ictx unmarshalling context
* @return unmarshalled instance
* @throws JiBXException on error in document
*/
public Object unmarshal(Object obj, IUnmarshallingContext ictx) throws JiBXException {
// make sure current element name matches an allowed schema element
UnmarshallingContext ctx = (UnmarshallingContext)ictx;
String name = ctx.getElementName();
int index = Arrays.binarySearch(SchemaBase.ELEMENT_NAMES, name);
if (index >= 0) {
// check the type of element
long mask = SchemaBase.ELEMENT_MASKS[index];
StringArray attrs = null;
if ((mask & s_namedIgnorableValueMask) != 0) {
attrs = s_namedIgnorableValueAttributes;
} else if ((mask & s_namedValueMask) != 0) {
attrs = s_namedValueAttributes;
} else if ((mask & s_unnamedValueMask) != 0) {
attrs = s_unnamedValueAttributes;
} else if ((mask & s_typeDefinitionMask) != 0) {
attrs = s_typeDefinitionAttributes;
} else if ((mask & s_simpleNestingMask) != 0) {
attrs = s_baseAttributes;
} else if ((mask & s_deletableLeafMask) != 0) {
attrs = s_ignorableAttributes;
}
if (attrs != null) {
// create an instance and unmarshal with the appropriate handling
ComponentCustom comp = new ComponentCustom(name,
(NestingCustomBase)CustomBase.getContainingObject(ictx));
comp.validateAttributes(ictx, attrs);
ctx.getUnmarshaller("component-custom").unmarshal(comp, ctx);
ctx.parsePastCurrentEndTag(null, name);
return comp;
} else {
// report a validation error for unsupported element
ValidationContext vctx = (ValidationContext)ictx.getUserContext();
vctx.addFatal("No customizations allowed", new ProblemLocation(ictx));
}
} else {
// report a validation error for unknown element
ValidationContext vctx = (ValidationContext)ictx.getUserContext();
vctx.addFatal("Unknown element", new ProblemLocation(ictx));
}
ctx.skipElement();
return null;
}
}
