Decouple config and netconf subsystems.

[controller.git] / opendaylight / config / config-manager-facade-xml / src / main / java / org / opendaylight / controller / config / facade / xml / mapping / attributes / fromxml / SimpleIdentityRefAttributeReadingStrategy.java

diff --git a/opendaylight/config/config-manager-facade-xml/src/main/java/org/opendaylight/controller/config/facade/xml/mapping/attributes/fromxml/SimpleIdentityRefAttributeReadingStrategy.java b/opendaylight/config/config-manager-facade-xml/src/main/java/org/opendaylight/controller/config/facade/xml/mapping/attributes/fromxml/SimpleIdentityRefAttributeReadingStrategy.java
new file mode 100644 (file)
index 0000000..2bd4356
--- /dev/null
+++ b/opendaylight/config/config-manager-facade-xml/src/main/java/org/opendaylight/controller/config/facade/xml/mapping/attributes/fromxml/SimpleIdentityRefAttributeReadingStrategy.java
@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2015 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.controller.config.facade.xml.mapping.attributes.fromxml;
+
+import com.google.common.base.Preconditions;
+import com.google.common.collect.Maps;
+import java.net.URI;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Map;
+import org.opendaylight.controller.config.facade.xml.mapping.IdentityMapping;
+import org.opendaylight.controller.config.util.xml.DocumentedException;
+import org.opendaylight.controller.config.util.xml.XmlElement;
+import org.opendaylight.yangtools.yang.common.QName;
+
+
+public class SimpleIdentityRefAttributeReadingStrategy extends SimpleAttributeReadingStrategy {
+
+    private final String key;
+    private final Map<String, Map<Date, IdentityMapping>> identityMap;
+
+    public SimpleIdentityRefAttributeReadingStrategy(String nullableDefault, String key, Map<String, Map<Date, IdentityMapping>> identityMap) {
+        super(nullableDefault);
+        this.key = key;
+        this.identityMap = identityMap;
+    }
+
+    @Override
+    protected String readElementContent(XmlElement xmlElement) throws DocumentedException {
+        Map.Entry<String, String> namespaceOfTextContent = xmlElement.findNamespaceOfTextContent();
+        String content = xmlElement.getTextContent();
+
+        final String namespace;
+        final String localName;
+        if(namespaceOfTextContent.getKey().isEmpty()) {
+            localName = content;
+            namespace = xmlElement.getNamespace();
+        } else {
+            String prefix = namespaceOfTextContent.getKey() + ":";
+            Preconditions.checkArgument(content.startsWith(prefix), "Identity ref should be prefixed with \"%s\"", prefix);
+            localName = content.substring(prefix.length());
+            namespace = namespaceOfTextContent.getValue();
+        }
+
+        Date revision = null;
+        Map<Date, IdentityMapping> revisions = identityMap.get(namespace);
+        if(revisions.keySet().size() > 1) {
+            for (Map.Entry<Date, IdentityMapping> revisionToIdentityEntry : revisions.entrySet()) {
+                if(revisionToIdentityEntry.getValue().containsIdName(localName)) {
+                    Preconditions.checkState(revision == null, "Duplicate identity %s, in namespace %s, with revisions: %s, %s detected. Cannot map attribute",
+                            localName, namespace, revision, revisionToIdentityEntry.getKey());
+                    revision = revisionToIdentityEntry.getKey();
+                }
+            }
+        } else {
+            revision = revisions.keySet().iterator().next();
+        }
+        return QName.create(URI.create(namespace), revision, localName).toString();
+    }
+
+    @Override
+    protected Object postprocessParsedValue(String textContent) {
+        HashMap<String,String> map = Maps.newHashMap();
+        map.put(key, textContent);
+        return map;
+    }
+
+    @Override
+    protected Object postprocessNullableDefault(String nullableDefault) {
+        return nullableDefault == null ? null : postprocessParsedValue(nullableDefault);
+    }
+}