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Move various util classes to prism-api
E.g. JavaTypeConverter, XmlTypeConverter, XsdTypeMapper, PrismUtil. These need to be cleaned up! Also moved CloneUtil.
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infra/prism/src/main/api/com/evolveum/midpoint/prism/util/PrismUtil.java
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| /* | ||
| * Copyright (c) 2010-2018 Evolveum | ||
| * | ||
| * 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 com.evolveum.midpoint.prism.util; | ||
|
|
||
| import com.evolveum.midpoint.prism.*; | ||
| import com.evolveum.midpoint.prism.delta.ItemDelta; | ||
| import com.evolveum.midpoint.prism.match.MatchingRule; | ||
| import com.evolveum.midpoint.prism.polystring.PolyString; | ||
| import com.evolveum.midpoint.prism.xml.XsdTypeMapper; | ||
| import com.evolveum.midpoint.util.exception.SchemaException; | ||
| import com.evolveum.prism.xml.ns._public.types_3.PolyStringType; | ||
| import org.apache.commons.lang.StringUtils; | ||
|
|
||
| import javax.xml.namespace.QName; | ||
| import java.util.Arrays; | ||
| import java.util.Collection; | ||
| import java.util.stream.Collectors; | ||
|
|
||
| /** | ||
| * TODO clean this up as it is part of prism-api! | ||
| * | ||
| * @author semancik | ||
| */ | ||
| public class PrismUtil { | ||
|
|
||
| public static <T> void recomputeRealValue(T realValue, PrismContext prismContext) { | ||
| if (realValue == null) { | ||
| return; | ||
| } | ||
| // TODO: switch to Recomputable interface instead of PolyString | ||
| if (realValue instanceof PolyString && prismContext != null) { | ||
| PolyString polyStringVal = (PolyString)realValue; | ||
| // Always recompute. Recompute is cheap operation and this avoids a lot of bugs | ||
| polyStringVal.recompute(prismContext.getDefaultPolyStringNormalizer()); | ||
| } | ||
| } | ||
|
|
||
| public static <T> void recomputePrismPropertyValue(PrismPropertyValue<T> pValue, PrismContext prismContext) { | ||
| if (pValue == null) { | ||
| return; | ||
| } | ||
| recomputeRealValue(pValue.getValue(), prismContext); | ||
| } | ||
|
|
||
| // /** | ||
| // * Super-mega-giga-ultra hack. This is used to "fortify" XML namespace declaration in a non-standard way. | ||
| // * It is useful in case that someone will try some stupid kind of schema-less XML normalization that removes | ||
| // * "unused" XML namespace declaration. The declarations are usually used, but they are used inside QName values | ||
| // * that the dumb normalization cannot see. Therefore this fortification places XML namespace declaration in | ||
| // * a explicit XML elements. That can be reconstructed later by using unfortification method below. | ||
| // */ | ||
| // public static void fortifyNamespaceDeclarations(Element definitionElement) { | ||
| // for(Element childElement: DOMUtil.listChildElements(definitionElement)) { | ||
| // fortifyNamespaceDeclarations(definitionElement, childElement); | ||
| // } | ||
| // } | ||
| // | ||
| // private static void fortifyNamespaceDeclarations(Element definitionElement, Element childElement) { | ||
| // Document doc = definitionElement.getOwnerDocument(); | ||
| // NamedNodeMap attributes = childElement.getAttributes(); | ||
| // for(int i=0; i<attributes.getLength(); i++) { | ||
| // Attr attr = (Attr)attributes.item(i); | ||
| // if (DOMUtil.isNamespaceDefinition(attr)) { | ||
| // String prefix = DOMUtil.getNamespaceDeclarationPrefix(attr); | ||
| // String namespace = DOMUtil.getNamespaceDeclarationNamespace(attr); | ||
| // Element namespaceElement = doc.createElementNS(PrismConstants.A_NAMESPACE.getNamespaceURI(), PrismConstants.A_NAMESPACE.getLocalPart()); | ||
| // namespaceElement.setAttribute(PrismConstants.A_NAMESPACE_PREFIX, prefix); | ||
| // namespaceElement.setAttribute(PrismConstants.A_NAMESPACE_URL, namespace); | ||
| // definitionElement.insertBefore(namespaceElement, childElement); | ||
| // } | ||
| // } | ||
| // } | ||
| // | ||
| // public static void unfortifyNamespaceDeclarations(Element definitionElement) { | ||
| // Map<String,String> namespaces = new HashMap<>(); | ||
| // for(Element childElement: DOMUtil.listChildElements(definitionElement)) { | ||
| // if (PrismConstants.A_NAMESPACE.equals(DOMUtil.getQName(childElement))) { | ||
| // String prefix = childElement.getAttribute(PrismConstants.A_NAMESPACE_PREFIX); | ||
| // String namespace = childElement.getAttribute(PrismConstants.A_NAMESPACE_URL); | ||
| // namespaces.put(prefix, namespace); | ||
| // definitionElement.removeChild(childElement); | ||
| // } else { | ||
| // unfortifyNamespaceDeclarations(definitionElement, childElement, namespaces); | ||
| // namespaces = new HashMap<>(); | ||
| // } | ||
| // } | ||
| // } | ||
| // | ||
| // private static void unfortifyNamespaceDeclarations(Element definitionElement, Element childElement, | ||
| // Map<String, String> namespaces) { | ||
| // for (Entry<String, String> entry: namespaces.entrySet()) { | ||
| // String prefix = entry.getKey(); | ||
| // String namespace = entry.getValue(); | ||
| // String declaredNamespace = DOMUtil.getNamespaceDeclarationForPrefix(childElement, prefix); | ||
| // if (declaredNamespace == null) { | ||
| // DOMUtil.setNamespaceDeclaration(childElement, prefix, namespace); | ||
| // } else if (!namespace.equals(declaredNamespace)) { | ||
| // throw new IllegalStateException("Namespace declaration with prefix '"+prefix+"' that was used to declare "+ | ||
| // "namespace '"+namespace+"' is now used for namespace '"+declaredNamespace+"', cannot unfortify."); | ||
| // } | ||
| // } | ||
| // } | ||
|
|
||
| public static boolean isEmpty(PolyStringType value) { | ||
| return value == null || StringUtils.isEmpty(value.getOrig()) && StringUtils.isEmpty(value.getNorm()); | ||
| } | ||
|
|
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| // public static PrismUnmarshaller getXnodeProcessor(@NotNull PrismContext prismContext) { | ||
| // return ((PrismContextImpl) prismContext).getPrismUnmarshaller(); | ||
| // } | ||
|
|
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| public static <T,X> PrismPropertyValue<X> convertPropertyValue(PrismPropertyValue<T> srcVal, | ||
| PrismPropertyDefinition<T> srcDef, PrismPropertyDefinition<X> targetDef, | ||
| PrismContext prismContext) { | ||
| if (targetDef.getTypeName().equals(srcDef.getTypeName())) { | ||
| return (PrismPropertyValue<X>) srcVal; | ||
| } else { | ||
| Class<X> expectedJavaType = XsdTypeMapper.toJavaType(targetDef.getTypeName()); | ||
| X convertedRealValue = JavaTypeConverter.convert(expectedJavaType, srcVal.getValue()); | ||
| return prismContext.itemFactory().createPrismPropertyValue(convertedRealValue); | ||
| } | ||
| } | ||
|
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| public static <T,X> PrismProperty<X> convertProperty(PrismProperty<T> srcProp, PrismPropertyDefinition<X> targetDef, | ||
| PrismContext prismContext) throws SchemaException { | ||
| if (targetDef.getTypeName().equals(srcProp.getDefinition().getTypeName())) { | ||
| return (PrismProperty<X>) srcProp; | ||
| } else { | ||
| PrismProperty<X> targetProp = targetDef.instantiate(); | ||
| Class<X> expectedJavaType = XsdTypeMapper.toJavaType(targetDef.getTypeName()); | ||
| for (PrismPropertyValue<T> srcPVal: srcProp.getValues()) { | ||
| X convertedRealValue = JavaTypeConverter.convert(expectedJavaType, srcPVal.getValue()); | ||
| targetProp.add(prismContext.itemFactory().createPrismPropertyValue(convertedRealValue)); | ||
| } | ||
| return targetProp; | ||
| } | ||
| } | ||
|
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||
| public static <O extends Objectable> void setDeltaOldValue(PrismObject<O> oldObject, ItemDelta<?,?> itemDelta) { | ||
| if (oldObject == null) { | ||
| return; | ||
| } | ||
| Item<PrismValue, ItemDefinition> itemOld = oldObject.findItem(itemDelta.getPath()); | ||
| if (itemOld != null) { | ||
| itemDelta.setEstimatedOldValues((Collection) PrismValueCollectionsUtil.cloneCollection(itemOld.getValues())); | ||
| } | ||
| } | ||
|
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| public static <O extends Objectable> void setDeltaOldValue(PrismObject<O> oldObject, Collection<? extends ItemDelta> itemDeltas) { | ||
| for(ItemDelta itemDelta: itemDeltas) { | ||
| setDeltaOldValue(oldObject, itemDelta); | ||
| } | ||
| } | ||
|
|
||
| public static <T> boolean equals(T a, T b, MatchingRule<T> matchingRule) throws SchemaException { | ||
| if (a == null && b == null) { | ||
| return true; | ||
| } | ||
| if (a == null || b == null) { | ||
| return false; | ||
| } | ||
| if (matchingRule == null) { | ||
| if (a instanceof byte[]) { | ||
| if (b instanceof byte[]) { | ||
| return Arrays.equals((byte[])a, (byte[])b); | ||
| } else { | ||
| return false; | ||
| } | ||
| } else { | ||
| return a.equals(b); | ||
| } | ||
| } else { | ||
| return matchingRule.match(a, b); | ||
| } | ||
| } | ||
|
|
||
| // for diagnostic purposes | ||
| public static String serializeQuietly(PrismContext prismContext, Object object) { | ||
| if (object == null) { | ||
| return null; | ||
| } | ||
| if (object instanceof Collection) { | ||
| return ((Collection<?>) object).stream() | ||
| .map(o -> serializeQuietly(prismContext, o)) | ||
| .collect(Collectors.joining("; ")); | ||
| } | ||
| try { | ||
| PrismSerializer<String> serializer = prismContext.xmlSerializer(); | ||
| if (object instanceof Item) { | ||
| return serializer.serialize((Item) object); | ||
| } else { | ||
| return serializer.serializeRealValue(object, new QName("value")); | ||
| } | ||
| } catch (Throwable t) { | ||
| return "Couldn't serialize (" + t.getMessage() + "): " + object; | ||
| } | ||
| } | ||
|
|
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| // for diagnostic purposes | ||
| public static Object serializeQuietlyLazily(PrismContext prismContext, Object object) { | ||
| if (object == null) { | ||
| return null; | ||
| } | ||
| return new Object() { | ||
| @Override | ||
| public String toString() { | ||
| return serializeQuietly(prismContext, object); | ||
| } | ||
| }; | ||
| } | ||
|
|
||
| } |
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