2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.yangtools.yang.data.util;
10 import static com.google.common.base.Preconditions.checkArgument;
12 import com.google.common.annotations.Beta;
13 import javax.annotation.Nonnull;
14 import org.opendaylight.yangtools.yang.common.QName;
15 import org.opendaylight.yangtools.yang.model.api.IdentitySchemaNode;
16 import org.opendaylight.yangtools.yang.model.api.Module;
19 public abstract class AbstractModuleStringIdentityrefCodec extends AbstractStringIdentityrefCodec {
21 * Resolve a string prefix into the corresponding module.
23 * @param prefix Prefix
24 * @return module mapped to prefix, or null if the module cannot be resolved
26 protected abstract Module moduleForPrefix(@Nonnull String prefix);
29 protected final QName createQName(@Nonnull final String prefix, @Nonnull final String localName) {
30 final Module module = moduleForPrefix(prefix);
31 checkArgument(module != null, "Failed to lookup prefix %s", prefix);
33 final QName qname = QName.create(module.getQNameModule(), localName);
34 for (IdentitySchemaNode identity : module.getIdentities()) {
35 if (qname.equals(identity.getQName())) {
36 return identity.getQName();
40 throw new IllegalArgumentException("Failed to find identity matching " + qname);