netconf/restconf/restconf-nb-bierman02/src/main/java/org/opendaylight/netconf/sal/rest/impl/StringModuleInstanceIdentifierCodec.java


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/*
 * 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.netconf.sal.rest.impl;

import static java.util.Objects.requireNonNull;

import org.eclipse.jdt.annotation.NonNull;
import org.opendaylight.yangtools.yang.common.XMLNamespace;
import org.opendaylight.yangtools.yang.data.util.AbstractModuleStringInstanceIdentifierCodec;
import org.opendaylight.yangtools.yang.data.util.DataSchemaContextTree;
import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
import org.opendaylight.yangtools.yang.model.api.Module;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;

/**
 * Codec for module instance identifiers.
 *
 * @deprecated This class will be replaced by StringModuleInstanceIdentifierCodec from restconf-nb-rfc8040
 */
@Deprecated
public final class StringModuleInstanceIdentifierCodec extends AbstractModuleStringInstanceIdentifierCodec {

    private final DataSchemaContextTree dataContextTree;
    private final SchemaContext context;
    private final String defaultPrefix;

    public StringModuleInstanceIdentifierCodec(final EffectiveModelContext context) {
        this.context = requireNonNull(context);
        this.dataContextTree = DataSchemaContextTree.from(context);
        this.defaultPrefix = "";
    }

    StringModuleInstanceIdentifierCodec(final EffectiveModelContext context, final @NonNull String defaultPrefix) {
        this.context = requireNonNull(context);
        this.dataContextTree = DataSchemaContextTree.from(context);
        this.defaultPrefix = defaultPrefix;
    }

    @Override
    protected Module moduleForPrefix(final String prefix) {
        if (prefix.isEmpty() && !this.defaultPrefix.isEmpty()) {
            return this.context.findModules(this.defaultPrefix).stream().findFirst().orElse(null);
        } else {
            return this.context.findModules(prefix).stream().findFirst().orElse(null);
        }
    }

    @Override
    protected DataSchemaContextTree getDataContextTree() {
        return this.dataContextTree;
    }

    @Override
    protected String prefixForNamespace(final XMLNamespace namespace) {
        return this.context.findModules(namespace).stream().findFirst().map(Module::getName).orElse(null);
    }
}