| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.camel.component.milo; |
| |
| import java.util.Base64; |
| import java.util.Objects; |
| import java.util.UUID; |
| |
| import org.eclipse.milo.opcua.stack.core.types.builtin.ByteString; |
| import org.eclipse.milo.opcua.stack.core.types.builtin.ExpandedNodeId; |
| import org.eclipse.milo.opcua.stack.core.types.builtin.NodeId; |
| import org.eclipse.milo.opcua.stack.core.types.builtin.unsigned.UInteger; |
| import org.eclipse.milo.opcua.stack.core.types.builtin.unsigned.UShort; |
| |
| import static java.util.Objects.requireNonNull; |
| import static org.eclipse.milo.opcua.stack.core.types.builtin.unsigned.Unsigned.ushort; |
| |
| /** |
| * Helper class to work with node IDs |
| */ |
| public final class NodeIds { |
| private NodeIds() { |
| } |
| |
| public static NodeId toNodeId(final UShort namespaceIndex, final ExpandedNodeId nodeId) { |
| requireNonNull(namespaceIndex); |
| |
| final Object id = nodeId.getIdentifier(); |
| |
| if (id instanceof String) { |
| return new NodeId(namespaceIndex, (String)id); |
| } else if (id instanceof UInteger) { |
| return new NodeId(namespaceIndex, (UInteger)id); |
| } else if (id instanceof ByteString) { |
| return new NodeId(namespaceIndex, (ByteString)id); |
| } else if (id instanceof UUID) { |
| return new NodeId(namespaceIndex, (UUID)id); |
| } |
| |
| throw new IllegalStateException("Invalid id type: " + id); |
| } |
| |
| public static NodeId toNodeId(final int namespaceIndex, final ExpandedNodeId nodeId) { |
| return toNodeId(ushort(namespaceIndex), nodeId); |
| } |
| |
| /** |
| * Create an attribute value for the "node" attribute |
| * |
| * @param namespace the namespace to use |
| * @param node the node ID |
| * @return the value ready to append to a "node" URI attribute |
| */ |
| public static String nodeValue(final String namespace, final String node) { |
| Objects.requireNonNull(namespace); |
| Objects.requireNonNull(node); |
| |
| final StringBuilder builder = new StringBuilder("RAW("); |
| appendNamespace(builder, namespace); |
| builder.append(';'); |
| appendNodeId(builder, node); |
| builder.append(')'); |
| return builder.toString(); |
| } |
| |
| /** |
| * Create an attribute value for the "node" attribute |
| * |
| * @param namespace the namespace to use |
| * @param node the node ID |
| * @return the value ready to append to a "node" URI attribute |
| */ |
| public static String nodeValue(final String namespace, final int node) { |
| Objects.requireNonNull(namespace); |
| |
| final StringBuilder builder = new StringBuilder("RAW("); |
| appendNamespace(builder, namespace); |
| builder.append(';'); |
| appendNodeId(builder, node); |
| builder.append(')'); |
| return builder.toString(); |
| } |
| |
| /** |
| * Create an attribute value for the "node" attribute |
| * |
| * @param namespace the namespace to use |
| * @param node the node ID |
| * @return the value ready to append to a "node" URI attribute |
| */ |
| public static String nodeValue(final String namespace, final UUID node) { |
| Objects.requireNonNull(namespace); |
| Objects.requireNonNull(node); |
| |
| final StringBuilder builder = new StringBuilder("RAW("); |
| appendNamespace(builder, namespace); |
| builder.append(';'); |
| appendNodeId(builder, node); |
| builder.append(')'); |
| return builder.toString(); |
| } |
| |
| /** |
| * Create an attribute value for the "node" attribute |
| * |
| * @param namespace the namespace to use |
| * @param node the node ID |
| * @return the value ready to append to a "node" URI attribute |
| */ |
| public static String nodeValue(final String namespace, final ByteString node) { |
| Objects.requireNonNull(namespace); |
| Objects.requireNonNull(node); |
| |
| final StringBuilder builder = new StringBuilder("RAW("); |
| appendNamespace(builder, namespace); |
| builder.append(';'); |
| appendNodeId(builder, node); |
| builder.append(')'); |
| return builder.toString(); |
| } |
| |
| /** |
| * Create an attribute value for the "node" attribute |
| * |
| * @param namespace the namespace to use |
| * @param node the node ID |
| * @return the value ready to append to a "node" URI attribute |
| */ |
| public static String nodeValue(final int namespace, final String node) { |
| Objects.requireNonNull(namespace); |
| Objects.requireNonNull(node); |
| |
| final StringBuilder builder = new StringBuilder("RAW("); |
| appendNamespace(builder, namespace); |
| builder.append(';'); |
| appendNodeId(builder, node); |
| builder.append(')'); |
| return builder.toString(); |
| } |
| |
| /** |
| * Create an attribute value for the "node" attribute |
| * |
| * @param namespace the namespace to use |
| * @param node the node ID |
| * @return the value ready to append to a "node" URI attribute |
| */ |
| public static String nodeValue(final int namespace, final int node) { |
| Objects.requireNonNull(namespace); |
| |
| final StringBuilder builder = new StringBuilder("RAW("); |
| appendNamespace(builder, namespace); |
| builder.append(';'); |
| appendNodeId(builder, node); |
| builder.append(')'); |
| return builder.toString(); |
| } |
| |
| /** |
| * Create an attribute value for the "node" attribute |
| * |
| * @param namespace the namespace to use |
| * @param node the node ID |
| * @return the value ready to append to a "node" URI attribute |
| */ |
| public static String nodeValue(final int namespace, final UUID node) { |
| Objects.requireNonNull(namespace); |
| Objects.requireNonNull(node); |
| |
| final StringBuilder builder = new StringBuilder("RAW("); |
| appendNamespace(builder, namespace); |
| builder.append(';'); |
| appendNodeId(builder, node); |
| builder.append(')'); |
| return builder.toString(); |
| } |
| |
| /** |
| * Create an attribute value for the "node" attribute |
| * |
| * @param namespace the namespace to use |
| * @param node the node ID |
| * @return the value ready to append to a "node" URI attribute |
| */ |
| public static String nodeValue(final int namespace, final ByteString node) { |
| Objects.requireNonNull(namespace); |
| Objects.requireNonNull(node); |
| |
| final StringBuilder builder = new StringBuilder("RAW("); |
| appendNamespace(builder, namespace); |
| builder.append(';'); |
| appendNodeId(builder, node); |
| builder.append(')'); |
| return builder.toString(); |
| } |
| |
| private static void appendNamespace(final StringBuilder builder, final String namespace) { |
| builder.append("nsu=").append(namespace); |
| } |
| |
| private static void appendNamespace(final StringBuilder builder, final int namespace) { |
| builder.append("ns=").append(Integer.toUnsignedString(namespace)); |
| } |
| |
| private static void appendNodeId(final StringBuilder builder, final String nodeId) { |
| builder.append("s=").append(nodeId); |
| } |
| |
| private static void appendNodeId(final StringBuilder builder, final int nodeId) { |
| builder.append("i=").append(Integer.toUnsignedString(nodeId)); |
| } |
| |
| private static void appendNodeId(final StringBuilder builder, final UUID nodeId) { |
| builder.append("g=").append(nodeId); |
| } |
| |
| private static void appendNodeId(final StringBuilder builder, final ByteString nodeId) { |
| builder.append("b=").append(Base64.getEncoder().encodeToString(nodeId.bytes())); |
| } |
| |
| } |