/*
* 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.resolving;
import com.google.common.base.Optional;
import com.google.common.base.Preconditions;
import com.google.common.collect.Maps;
import java.util.Map;
import javax.management.openmbean.CompositeDataSupport;
import javax.management.openmbean.CompositeType;
import javax.management.openmbean.OpenDataException;
import javax.management.openmbean.OpenType;
import javax.management.openmbean.SimpleType;
import org.opendaylight.controller.config.facade.xml.util.Util;
import org.opendaylight.controller.config.util.xml.DocumentedException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
class CompositeAttributeResolvingStrategy extends
AbstractAttributeResolvingStrategy<CompositeDataSupport, CompositeType> {
private final Map<String, AttributeResolvingStrategy<?, ? extends OpenType<?>>> innerTypes;
private final Map<String, String> yangToJavaAttrMapping;
private static final Logger LOG = LoggerFactory.getLogger(CompositeAttributeResolvingStrategy.class);
CompositeAttributeResolvingStrategy(final Map<String, AttributeResolvingStrategy<?, ? extends OpenType<?>>> innerTypes,
final CompositeType openType, final Map<String, String> yangToJavaAttrMapping) {
super(openType);
this.innerTypes = innerTypes;
this.yangToJavaAttrMapping = yangToJavaAttrMapping;
}
@Override
public String toString() {
return "ResolvedCompositeAttribute [" + innerTypes + "]";
}
@Override
public Optional<CompositeDataSupport> parseAttribute(final String attrName, final Object value) throws DocumentedException {
if (value == null) {
return Optional.absent();
}
Util.checkType(value, Map.class);
Map<?, ?> valueMap = (Map<?, ?>) value;
valueMap = preprocessValueMap(valueMap);
Map<String, Object> items = Maps.newHashMap();
Map<String, OpenType<?>> openTypes = Maps.newHashMap();
final String[] names = new String[getOpenType().keySet().size()];
final String[] descriptions = new String[getOpenType().keySet().size()];
OpenType<?>[] itemTypes = new OpenType[names.length];
int i = 0;
for (Object innerAttrName : innerTypes.keySet()) {
Preconditions.checkState(innerAttrName instanceof String, "Attribute name must be string");
String innerAttrNameStr = (String) innerAttrName;
AttributeResolvingStrategy<?, ? extends OpenType<?>> attributeResolvingStrategy = innerTypes
.get(innerAttrName);
Object valueToParse = valueMap.get(innerAttrName);
Optional<?> parsedInnerValue = attributeResolvingStrategy.parseAttribute(innerAttrNameStr, valueToParse);
if(attributeResolvingStrategy instanceof EnumAttributeResolvingStrategy) {
// Open type for enum contain the class name necessary for its resolution, however in a DTO
// the open type need to be just SimpleType.STRING so that JMX is happy
// After the enum attribute is resolved, change its open type back to STRING
openTypes.put(innerAttrNameStr, SimpleType.STRING);
} else {
openTypes.put(innerAttrNameStr, attributeResolvingStrategy.getOpenType());
}
items.put(yangToJavaAttrMapping.get(innerAttrNameStr),
parsedInnerValue.isPresent() ? parsedInnerValue.get() : null);
// fill names + item types in order to reconstruct the open type for current attribute
names[i] = yangToJavaAttrMapping.get(innerAttrNameStr);
descriptions[i] = getOpenType().getDescription(names[i]);
itemTypes[i] = openTypes.get(innerAttrNameStr);
i++;
}
CompositeDataSupport parsedValue;
try {
LOG.trace("Attribute {} with open type {}. Reconstructing open type.", attrName, getOpenType());
setOpenType(new CompositeType(getOpenType().getTypeName(), getOpenType().getDescription(), names, descriptions, itemTypes));
LOG.debug("Attribute {}. Open type reconstructed to {}", attrName, getOpenType(), getOpenType());
parsedValue = new CompositeDataSupport(getOpenType(), items);
} catch (final OpenDataException e) {
throw new IllegalStateException("An error occurred during restoration of composite type " + this
+ " for attribute " + attrName + " from value " + value, e);
}
LOG.debug("Attribute {} : {} parsed to type {} as {}", attrName, value, getOpenType(), parsedValue);
return Optional.of(parsedValue);
}
protected Map<?, ?> preprocessValueMap(final Map<?, ?> valueMap) {
return valueMap;
}
}