package org.keycloak.protocol.cas.utils;
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import jakarta.xml.bind.JAXBElement;
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import jakarta.xml.bind.annotation.XmlAccessType;
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import jakarta.xml.bind.annotation.XmlAccessorType;
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import jakarta.xml.bind.annotation.XmlAnyElement;
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import jakarta.xml.bind.annotation.XmlSchema;
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import jakarta.xml.bind.annotation.adapters.XmlAdapter;
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import org.keycloak.protocol.cas.representations.CASServiceResponse;
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import javax.xml.namespace.QName;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.List;
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import java.util.Map;
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/**
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* Transforms the attribute map of the AuthenticationSuccess object (which can contain either simple values or
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* lists) to a flat list of XML nodes, where the key is the node name.<br>
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* Lists output multiple XML nodes with the same name.
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*/
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public final class AttributesMapAdapter extends XmlAdapter<AttributesMapAdapter.AttributeWrapperType, Map<String, Object>> {
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@Override
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public AttributeWrapperType marshal(Map<String, Object> v) throws Exception {
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return new AttributeWrapperType(v);
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}
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@Override
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public Map<String, Object> unmarshal(AttributeWrapperType v) throws Exception {
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throw new IllegalStateException("not implemented");
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}
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@XmlAccessorType(XmlAccessType.FIELD)
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static class AttributeWrapperType {
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@XmlAnyElement
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private final List<JAXBElement<String>> elements;
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AttributeWrapperType(Map<String, Object> attributes) {
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this.elements = new ArrayList<>();
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for (Map.Entry<String, Object> entry : attributes.entrySet()) {
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if (entry.getValue() instanceof Collection) {
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for (Object item : ((Collection) entry.getValue())) {
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addElement(entry.getKey(), item);
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}
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} else {
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addElement(entry.getKey(), entry.getValue());
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}
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}
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}
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private void addElement(String name, Object value) {
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if (value != null) {
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String namespace = CASServiceResponse.class.getPackage().getAnnotation(XmlSchema.class).namespace();
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elements.add(new JAXBElement<>(new QName(namespace, name), String.class, value.toString()));
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}
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}
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}
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}
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