/*
* Copyright (c) 2016 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.yangtools.yang.data.codec.xml;
import com.google.common.base.Preconditions;
import java.net.URI;
import java.util.Map.Entry;
import javax.xml.namespace.NamespaceContext;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
import org.opendaylight.yangtools.yang.common.QName;
import org.opendaylight.yangtools.yang.common.QNameModule;
import org.opendaylight.yangtools.yang.data.util.codec.QNameCodecUtil;
import org.opendaylight.yangtools.yang.model.api.Module;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
final class IdentityrefXmlCodec implements XmlCodec<QName> {
private final SchemaContext schemaContext;
private final QNameModule parentModule;
IdentityrefXmlCodec(final SchemaContext context, final QNameModule parentModule) {
this.schemaContext = Preconditions.checkNotNull(context);
this.parentModule = Preconditions.checkNotNull(parentModule);
}
@Override
public Class<QName> getDataType() {
return QName.class;
}
@Override
public QName parseValue(final NamespaceContext ctx, final String str) {
return QNameCodecUtil.decodeQName(str, prefix -> {
if (prefix.isEmpty()) {
return parentModule;
}
final String prefixedNS = ctx.getNamespaceURI(prefix);
final Module module = schemaContext.findModuleByNamespaceAndRevision(URI.create(prefixedNS), null);
Preconditions.checkArgument(module != null, "Could not find module for namespace %s", prefixedNS);
return module.getQNameModule();
});
}
@Override
public void writeValue(final XMLStreamWriter ctx, final QName value) throws XMLStreamException {
final RandomPrefix prefixes = new RandomPrefix(ctx.getNamespaceContext());
final String str = QNameCodecUtil.encodeQName(value, uri -> prefixes.encodePrefix(uri.getNamespace()));
for (Entry<URI, String> e : prefixes.getPrefixes()) {
ctx.writeNamespace(e.getValue(), e.getKey().toString());
}
ctx.writeCharacters(str);
}
}