/* * Copyright (c) 2007, 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.binding.util.StringArray; import org.jibx.runtime.BindingDirectory; import org.jibx.runtime.IBindingFactory; 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; /** * 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[] { "path", "position" }, NestingCustomBase.s_allowedAttributes); /** Attribute names allowed for all ignorable of components. */ public static final StringArray s_ignorableAttributes = new StringArray(new String[] { "ignore" }, 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", "generation", "property", "type" }, 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 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", "generation", "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.ATTRIBUTEGROUP_TYPE]; mask |= masks[SchemaBase.ELEMENT_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; }; // // Binding information /** Index for abstract mapping. */ protected static final int s_mappingIndex; static { try { IBindingFactory factory = BindingDirectory.getFactory(ComponentCustom.class); s_mappingIndex = factory.getTypeIndex("component-custom"); if (s_mappingIndex < 0) { throw new RuntimeException("Missing required 'component-custom' abstract mapping in binding"); } } catch (JiBXException e) { throw new RuntimeException("Unable to load binding: " + e.getMessage()); } }; /** * Check if element present. If there's a start tag, we want to handle it. * * @param ctx * @return true if at a start tag * @throws JiBXException */ 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_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(s_mappingIndex).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 for element '" + name + '\'', new ProblemLocation(ictx)); } } else { // report a validation error for unknown element ValidationContext vctx = (ValidationContext)ictx.getUserContext(); vctx.addFatal("Unknown element '" + name + '\'', new ProblemLocation(ictx)); } return null; } }