+++ /dev/null
-/*
- * Copyright (c) 2019 PANTHEON.tech, s.r.o. 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.cluster.datastore.node.utils.stream;
-
-import static com.google.common.base.Verify.verifyNotNull;
-import static java.util.Objects.requireNonNull;
-import static org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter.UNKNOWN_SIZE;
-
-import com.google.common.collect.ImmutableList;
-import com.google.common.collect.ImmutableList.Builder;
-import com.google.common.collect.ImmutableMap;
-import com.google.common.collect.ImmutableSet;
-import com.google.common.util.concurrent.UncheckedExecutionException;
-import java.io.DataInput;
-import java.io.IOException;
-import java.io.StringReader;
-import java.math.BigDecimal;
-import java.math.BigInteger;
-import java.nio.charset.StandardCharsets;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.concurrent.ExecutionException;
-import javax.xml.transform.dom.DOMSource;
-import org.eclipse.jdt.annotation.NonNull;
-import org.opendaylight.controller.cluster.datastore.node.utils.QNameFactory;
-import org.opendaylight.yangtools.rfc8528.data.api.MountPointIdentifier;
-import org.opendaylight.yangtools.util.xml.UntrustedXML;
-import org.opendaylight.yangtools.yang.common.Empty;
-import org.opendaylight.yangtools.yang.common.QName;
-import org.opendaylight.yangtools.yang.common.QNameModule;
-import org.opendaylight.yangtools.yang.common.Uint16;
-import org.opendaylight.yangtools.yang.common.Uint32;
-import org.opendaylight.yangtools.yang.common.Uint64;
-import org.opendaylight.yangtools.yang.common.Uint8;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.AugmentationIdentifier;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeWithValue;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
-import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.xml.sax.InputSource;
-import org.xml.sax.SAXException;
-
-/**
- * Abstract base class for NormalizedNodeDataInput based on {@link MagnesiumNode}, {@link MagnesiumPathArgument} and
- * {@link MagnesiumValue}.
- */
-abstract class AbstractMagnesiumDataInput extends AbstractNormalizedNodeDataInput {
- private static final Logger LOG = LoggerFactory.getLogger(AbstractMagnesiumDataInput.class);
-
- // Known singleton objects
- private static final @NonNull Byte INT8_0 = 0;
- private static final @NonNull Short INT16_0 = 0;
- private static final @NonNull Integer INT32_0 = 0;
- private static final @NonNull Long INT64_0 = 0L;
- private static final byte @NonNull[] BINARY_0 = new byte[0];
- private static final @NonNull AugmentationIdentifier EMPTY_AID = AugmentationIdentifier.create(ImmutableSet.of());
-
- // FIXME: these should be available as constants
- private static final @NonNull Uint8 UINT8_0 = Uint8.valueOf(0);
- private static final @NonNull Uint16 UINT16_0 = Uint16.valueOf(0);
- private static final @NonNull Uint32 UINT32_0 = Uint32.valueOf(0);
- private static final @NonNull Uint64 UINT64_0 = Uint64.valueOf(0);
-
- private final List<AugmentationIdentifier> codedAugments = new ArrayList<>();
- private final List<NodeIdentifier> codedNodeIdentifiers = new ArrayList<>();
- private final List<QNameModule> codedModules = new ArrayList<>();
- private final List<String> codedStrings = new ArrayList<>();
-
- AbstractMagnesiumDataInput(final DataInput input) {
- super(input);
- }
-
- @Override
- public final void streamNormalizedNode(final NormalizedNodeStreamWriter writer) throws IOException {
- streamNormalizedNode(requireNonNull(writer), null, input.readByte());
- }
-
- private void streamNormalizedNode(final NormalizedNodeStreamWriter writer, final PathArgument parent,
- final byte nodeHeader) throws IOException {
- switch (nodeHeader & MagnesiumNode.TYPE_MASK) {
- case MagnesiumNode.NODE_LEAF:
- streamLeaf(writer, parent, nodeHeader);
- break;
- case MagnesiumNode.NODE_CONTAINER:
- streamContainer(writer, nodeHeader);
- break;
- case MagnesiumNode.NODE_LIST:
- streamList(writer, nodeHeader);
- break;
- case MagnesiumNode.NODE_MAP:
- streamMap(writer, nodeHeader);
- break;
- case MagnesiumNode.NODE_MAP_ORDERED:
- streamMapOrdered(writer, nodeHeader);
- break;
- case MagnesiumNode.NODE_LEAFSET:
- streamLeafset(writer, nodeHeader);
- break;
- case MagnesiumNode.NODE_LEAFSET_ORDERED:
- streamLeafsetOrdered(writer, nodeHeader);
- break;
- case MagnesiumNode.NODE_CHOICE:
- streamChoice(writer, nodeHeader);
- break;
- case MagnesiumNode.NODE_AUGMENTATION:
- streamAugmentation(writer, nodeHeader);
- break;
- case MagnesiumNode.NODE_ANYXML:
- streamAnyxml(writer, nodeHeader);
- break;
- case MagnesiumNode.NODE_ANYXML_MODELED:
- streamAnyxmlModeled(writer, nodeHeader);
- break;
- case MagnesiumNode.NODE_LIST_ENTRY:
- streamListEntry(writer, parent, nodeHeader);
- break;
- case MagnesiumNode.NODE_LEAFSET_ENTRY:
- streamLeafsetEntry(writer, parent, nodeHeader);
- break;
- case MagnesiumNode.NODE_MAP_ENTRY:
- streamMapEntry(writer, parent, nodeHeader);
- break;
- default:
- throw new InvalidNormalizedNodeStreamException("Unexpected node header " + nodeHeader);
- }
- }
-
- private void streamAnyxml(final NormalizedNodeStreamWriter writer, final byte nodeHeader) throws IOException {
- final NodeIdentifier identifier = decodeNodeIdentifier(nodeHeader);
- LOG.trace("Streaming anyxml node {}", identifier);
-
- final DOMSource value = readDOMSource();
- if (writer.startAnyxmlNode(identifier, DOMSource.class)) {
- writer.domSourceValue(value);
- writer.endNode();
- }
- }
-
- private void streamAnyxmlModeled(final NormalizedNodeStreamWriter writer, final byte nodeHeader)
- throws IOException {
- // TODO: decide how to deal with these
- throw new UnsupportedOperationException("Reading YANG-modeled anyxml was never supported");
- }
-
- private void streamAugmentation(final NormalizedNodeStreamWriter writer, final byte nodeHeader) throws IOException {
- final AugmentationIdentifier augIdentifier = decodeAugmentationIdentifier(nodeHeader);
- LOG.trace("Streaming augmentation node {}", augIdentifier);
- writer.startAugmentationNode(augIdentifier);
- commonStreamContainer(writer, augIdentifier);
- }
-
- private void streamChoice(final NormalizedNodeStreamWriter writer, final byte nodeHeader) throws IOException {
- final NodeIdentifier identifier = decodeNodeIdentifier(nodeHeader);
- LOG.trace("Streaming choice node {}", identifier);
- writer.startChoiceNode(identifier, UNKNOWN_SIZE);
- commonStreamContainer(writer, identifier);
- }
-
- private void streamContainer(final NormalizedNodeStreamWriter writer, final byte nodeHeader) throws IOException {
- final NodeIdentifier identifier = decodeNodeIdentifier(nodeHeader);
- LOG.trace("Streaming container node {}", identifier);
- writer.startContainerNode(identifier, UNKNOWN_SIZE);
- commonStreamContainer(writer, identifier);
- }
-
- private void streamLeaf(final NormalizedNodeStreamWriter writer, final PathArgument parent, final byte nodeHeader)
- throws IOException {
- final NodeIdentifier identifier = decodeNodeIdentifier(nodeHeader);
- LOG.trace("Streaming leaf node {}", identifier);
- writer.startLeafNode(identifier);
-
- final Object value;
- if ((nodeHeader & MagnesiumNode.PREDICATE_ONE) == MagnesiumNode.PREDICATE_ONE) {
- if (!(parent instanceof NodeIdentifierWithPredicates)) {
- throw new InvalidNormalizedNodeStreamException("Invalid predicate leaf " + identifier + " in parent "
- + parent);
- }
-
- value = ((NodeIdentifierWithPredicates) parent).getValue(identifier.getNodeType());
- if (value == null) {
- throw new InvalidNormalizedNodeStreamException("Failed to find predicate leaf " + identifier
- + " in parent " + parent);
- }
- } else {
- value = readLeafValue();
- }
-
- writer.scalarValue(value);
- writer.endNode();
- }
-
- private void streamLeafset(final NormalizedNodeStreamWriter writer, final byte nodeHeader) throws IOException {
- final NodeIdentifier identifier = decodeNodeIdentifier(nodeHeader);
- LOG.trace("Streaming leaf set node {}", identifier);
- writer.startLeafSet(identifier, UNKNOWN_SIZE);
- commonStreamContainer(writer, identifier);
- }
-
- private void streamLeafsetOrdered(final NormalizedNodeStreamWriter writer, final byte nodeHeader)
- throws IOException {
- final NodeIdentifier identifier = decodeNodeIdentifier(nodeHeader);
- LOG.trace("Streaming ordered leaf set node {}", identifier);
- writer.startOrderedLeafSet(identifier, UNKNOWN_SIZE);
-
- commonStreamContainer(writer, identifier);
- }
-
- private void streamLeafsetEntry(final NormalizedNodeStreamWriter writer, final PathArgument parent,
- final byte nodeHeader) throws IOException {
- final NodeIdentifier nodeId = decodeNodeIdentifier(nodeHeader, parent);
- final Object value = readLeafValue();
- final NodeWithValue<Object> leafIdentifier = new NodeWithValue<>(nodeId.getNodeType(), value);
- LOG.trace("Streaming leaf set entry node {}", leafIdentifier);
- writer.startLeafSetEntryNode(leafIdentifier);
- writer.scalarValue(value);
- writer.endNode();
- }
-
- private void streamList(final NormalizedNodeStreamWriter writer, final byte nodeHeader) throws IOException {
- final NodeIdentifier identifier = decodeNodeIdentifier(nodeHeader);
- writer.startUnkeyedList(identifier, UNKNOWN_SIZE);
- commonStreamContainer(writer, identifier);
- }
-
- private void streamListEntry(final NormalizedNodeStreamWriter writer, final PathArgument parent,
- final byte nodeHeader) throws IOException {
- final NodeIdentifier identifier = decodeNodeIdentifier(nodeHeader, parent);
- LOG.trace("Streaming unkeyed list item node {}", identifier);
- writer.startUnkeyedListItem(identifier, UNKNOWN_SIZE);
- commonStreamContainer(writer, identifier);
- }
-
- private void streamMap(final NormalizedNodeStreamWriter writer, final byte nodeHeader) throws IOException {
- final NodeIdentifier identifier = decodeNodeIdentifier(nodeHeader);
- LOG.trace("Streaming map node {}", identifier);
- writer.startMapNode(identifier, UNKNOWN_SIZE);
- commonStreamContainer(writer, identifier);
- }
-
- private void streamMapOrdered(final NormalizedNodeStreamWriter writer, final byte nodeHeader) throws IOException {
- final NodeIdentifier identifier = decodeNodeIdentifier(nodeHeader);
- LOG.trace("Streaming ordered map node {}", identifier);
- writer.startOrderedMapNode(identifier, UNKNOWN_SIZE);
- commonStreamContainer(writer, identifier);
- }
-
- private void streamMapEntry(final NormalizedNodeStreamWriter writer, final PathArgument parent,
- final byte nodeHeader) throws IOException {
- final NodeIdentifier nodeId = decodeNodeIdentifier(nodeHeader, parent);
-
- final int size;
- switch (mask(nodeHeader, MagnesiumNode.PREDICATE_MASK)) {
- case MagnesiumNode.PREDICATE_ZERO:
- size = 0;
- break;
- case MagnesiumNode.PREDICATE_ONE:
- size = 1;
- break;
- case MagnesiumNode.PREDICATE_1B:
- size = input.readUnsignedByte();
- break;
- case MagnesiumNode.PREDICATE_4B:
- size = input.readInt();
- break;
- default:
- // ISE on purpose: this should never ever happen
- throw new IllegalStateException("Failed to decode NodeIdentifierWithPredicates size from header "
- + nodeHeader);
- }
-
- final NodeIdentifierWithPredicates identifier = readNodeIdentifierWithPredicates(nodeId.getNodeType(), size);
- LOG.trace("Streaming map entry node {}", identifier);
- writer.startMapEntryNode(identifier, UNKNOWN_SIZE);
- commonStreamContainer(writer, identifier);
- }
-
- private void commonStreamContainer(final NormalizedNodeStreamWriter writer, final PathArgument parent)
- throws IOException {
- for (byte nodeType = input.readByte(); nodeType != MagnesiumNode.NODE_END; nodeType = input.readByte()) {
- streamNormalizedNode(writer, parent, nodeType);
- }
- writer.endNode();
- }
-
- private @NonNull NodeIdentifier decodeNodeIdentifier() throws IOException {
- final QNameModule module = decodeQNameModule();
- final String localName = readRefString();
- final NodeIdentifier nodeId;
- try {
- nodeId = QNameFactory.getNodeIdentifier(module, localName);
- } catch (ExecutionException e) {
- throw new InvalidNormalizedNodeStreamException("Illegal QName module=" + module + " localName="
- + localName, e);
- }
-
- codedNodeIdentifiers.add(nodeId);
- return nodeId;
- }
-
- private NodeIdentifier decodeNodeIdentifier(final byte nodeHeader) throws IOException {
- return decodeNodeIdentifier(nodeHeader, null);
- }
-
- private NodeIdentifier decodeNodeIdentifier(final byte nodeHeader, final PathArgument parent) throws IOException {
- final int index;
- switch (nodeHeader & MagnesiumNode.ADDR_MASK) {
- case MagnesiumNode.ADDR_DEFINE:
- return readNodeIdentifier();
- case MagnesiumNode.ADDR_LOOKUP_1B:
- index = input.readUnsignedByte();
- break;
- case MagnesiumNode.ADDR_LOOKUP_4B:
- index = input.readInt();
- break;
- case MagnesiumNode.ADDR_PARENT:
- if (parent instanceof NodeIdentifier) {
- return (NodeIdentifier) parent;
- }
- throw new InvalidNormalizedNodeStreamException("Invalid node identifier reference to parent " + parent);
- default:
- throw new InvalidNormalizedNodeStreamException("Unexpected node identifier addressing in header "
- + nodeHeader);
- }
-
- try {
- return codedNodeIdentifiers.get(index);
- } catch (IndexOutOfBoundsException e) {
- throw new InvalidNormalizedNodeStreamException("Invalid QName reference " + index, e);
- }
- }
-
- private AugmentationIdentifier decodeAugmentationIdentifier(final byte nodeHeader) throws IOException {
- final int index;
- switch (nodeHeader & MagnesiumNode.ADDR_MASK) {
- case MagnesiumNode.ADDR_DEFINE:
- return readAugmentationIdentifier();
- case MagnesiumNode.ADDR_LOOKUP_1B:
- index = input.readUnsignedByte();
- break;
- case MagnesiumNode.ADDR_LOOKUP_4B:
- index = input.readInt();
- break;
- default:
- throw new InvalidNormalizedNodeStreamException(
- "Unexpected augmentation identifier addressing in header " + nodeHeader);
- }
-
- try {
- return codedAugments.get(index);
- } catch (IndexOutOfBoundsException e) {
- throw new InvalidNormalizedNodeStreamException("Invalid augmentation identifier reference " + index, e);
- }
- }
-
- @Override
- public final YangInstanceIdentifier readYangInstanceIdentifier() throws IOException {
- final byte type = input.readByte();
- if (type == MagnesiumValue.YIID) {
- return readYangInstanceIdentifier(input.readInt());
- } else if (type >= MagnesiumValue.YIID_0) {
- // Note 'byte' is range limited, so it is always '&& type <= MagnesiumValue.YIID_31'
- return readYangInstanceIdentifier(type - MagnesiumValue.YIID_0);
- } else {
- throw new InvalidNormalizedNodeStreamException("Unexpected YangInstanceIdentifier type " + type);
- }
- }
-
- private @NonNull YangInstanceIdentifier readYangInstanceIdentifier(final int size) throws IOException {
- if (size > 0) {
- final Builder<PathArgument> builder = ImmutableList.builderWithExpectedSize(size);
- for (int i = 0; i < size; ++i) {
- builder.add(readPathArgument());
- }
- return YangInstanceIdentifier.create(builder.build());
- } else if (size == 0) {
- return YangInstanceIdentifier.empty();
- } else {
- throw new InvalidNormalizedNodeStreamException("Invalid YangInstanceIdentifier size " + size);
- }
- }
-
- @Override
- public final QName readQName() throws IOException {
- final byte type = input.readByte();
- switch (type) {
- case MagnesiumValue.QNAME:
- return decodeQName();
- case MagnesiumValue.QNAME_REF_1B:
- return decodeQNameRef1();
- case MagnesiumValue.QNAME_REF_2B:
- return decodeQNameRef2();
- case MagnesiumValue.QNAME_REF_4B:
- return decodeQNameRef4();
- default:
- throw new InvalidNormalizedNodeStreamException("Unexpected QName type " + type);
- }
- }
-
- @Override
- public final PathArgument readPathArgument() throws IOException {
- final byte header = input.readByte();
- switch (header & MagnesiumPathArgument.TYPE_MASK) {
- case MagnesiumPathArgument.AUGMENTATION_IDENTIFIER:
- return readAugmentationIdentifier(header);
- case MagnesiumPathArgument.NODE_IDENTIFIER:
- verifyPathIdentifierOnly(header);
- return readNodeIdentifier(header);
- case MagnesiumPathArgument.NODE_IDENTIFIER_WITH_PREDICATES:
- return readNodeIdentifierWithPredicates(header);
- case MagnesiumPathArgument.NODE_WITH_VALUE:
- verifyPathIdentifierOnly(header);
- return readNodeWithValue(header);
- case MagnesiumPathArgument.MOUNTPOINT_IDENTIFIER:
- verifyPathIdentifierOnly(header);
- return MountPointIdentifier.create(readNodeIdentifier(header).getNodeType());
- default:
- throw new InvalidNormalizedNodeStreamException("Unexpected PathArgument header " + header);
- }
- }
-
- private AugmentationIdentifier readAugmentationIdentifier() throws IOException {
- final AugmentationIdentifier result = readAugmentationIdentifier(input.readInt());
- codedAugments.add(result);
- return result;
- }
-
- private AugmentationIdentifier readAugmentationIdentifier(final byte header) throws IOException {
- final byte count = mask(header, MagnesiumPathArgument.AID_COUNT_MASK);
- switch (count) {
- case MagnesiumPathArgument.AID_COUNT_1B:
- return readAugmentationIdentifier(input.readUnsignedByte());
- case MagnesiumPathArgument.AID_COUNT_2B:
- return readAugmentationIdentifier(input.readUnsignedShort());
- case MagnesiumPathArgument.AID_COUNT_4B:
- return readAugmentationIdentifier(input.readInt());
- default:
- return readAugmentationIdentifier(rshift(count, MagnesiumPathArgument.AID_COUNT_SHIFT));
- }
- }
-
- private AugmentationIdentifier readAugmentationIdentifier(final int size) throws IOException {
- if (size > 0) {
- final List<QName> qnames = new ArrayList<>(size);
- for (int i = 0; i < size; ++i) {
- qnames.add(readQName());
- }
- return AugmentationIdentifier.create(ImmutableSet.copyOf(qnames));
- } else if (size == 0) {
- return EMPTY_AID;
- } else {
- throw new InvalidNormalizedNodeStreamException("Invalid augmentation identifier size " + size);
- }
- }
-
- private NodeIdentifier readNodeIdentifier() throws IOException {
- return decodeNodeIdentifier();
- }
-
- private NodeIdentifier readNodeIdentifier(final byte header) throws IOException {
- switch (header & MagnesiumPathArgument.QNAME_MASK) {
- case MagnesiumPathArgument.QNAME_DEF:
- return decodeNodeIdentifier();
- case MagnesiumPathArgument.QNAME_REF_1B:
- return decodeNodeIdentifierRef1();
- case MagnesiumPathArgument.QNAME_REF_2B:
- return decodeNodeIdentifierRef2();
- case MagnesiumPathArgument.QNAME_REF_4B:
- return decodeNodeIdentifierRef4();
- default:
- throw new InvalidNormalizedNodeStreamException("Invalid QName coding in " + header);
- }
- }
-
- private NodeIdentifierWithPredicates readNodeIdentifierWithPredicates(final byte header) throws IOException {
- final QName qname = readNodeIdentifier(header).getNodeType();
- switch (mask(header, MagnesiumPathArgument.SIZE_MASK)) {
- case MagnesiumPathArgument.SIZE_1B:
- return readNodeIdentifierWithPredicates(qname, input.readUnsignedByte());
- case MagnesiumPathArgument.SIZE_2B:
- return readNodeIdentifierWithPredicates(qname, input.readUnsignedShort());
- case MagnesiumPathArgument.SIZE_4B:
- return readNodeIdentifierWithPredicates(qname, input.readInt());
- default:
- return readNodeIdentifierWithPredicates(qname, rshift(header, MagnesiumPathArgument.SIZE_SHIFT));
- }
- }
-
- private NodeIdentifierWithPredicates readNodeIdentifierWithPredicates(final QName qname, final int size)
- throws IOException {
- if (size == 1) {
- return NodeIdentifierWithPredicates.of(qname, readQName(), readLeafValue());
- } else if (size > 1) {
- final ImmutableMap.Builder<QName, Object> builder = ImmutableMap.builderWithExpectedSize(size);
- for (int i = 0; i < size; ++i) {
- builder.put(readQName(), readLeafValue());
- }
- return NodeIdentifierWithPredicates.of(qname, builder.build());
- } else if (size == 0) {
- return NodeIdentifierWithPredicates.of(qname);
- } else {
- throw new InvalidNormalizedNodeStreamException("Invalid predicate count " + size);
- }
- }
-
- private NodeWithValue<?> readNodeWithValue(final byte header) throws IOException {
- final QName qname = readNodeIdentifier(header).getNodeType();
- return new NodeWithValue<>(qname, readLeafValue());
- }
-
- private static void verifyPathIdentifierOnly(final byte header) throws InvalidNormalizedNodeStreamException {
- if (mask(header, MagnesiumPathArgument.SIZE_MASK) != 0) {
- throw new InvalidNormalizedNodeStreamException("Invalid path argument header " + header);
- }
- }
-
- private @NonNull NodeIdentifier decodeNodeIdentifierRef1() throws IOException {
- return lookupNodeIdentifier(input.readUnsignedByte());
- }
-
- private @NonNull NodeIdentifier decodeNodeIdentifierRef2() throws IOException {
- return lookupNodeIdentifier(input.readUnsignedShort() + 256);
- }
-
- private @NonNull NodeIdentifier decodeNodeIdentifierRef4() throws IOException {
- return lookupNodeIdentifier(input.readInt());
- }
-
- private @NonNull QName decodeQName() throws IOException {
- return decodeNodeIdentifier().getNodeType();
- }
-
- private @NonNull QName decodeQNameRef1() throws IOException {
- return lookupQName(input.readUnsignedByte());
- }
-
- private @NonNull QName decodeQNameRef2() throws IOException {
- return lookupQName(input.readUnsignedShort() + 256);
- }
-
- private @NonNull QName decodeQNameRef4() throws IOException {
- return lookupQName(input.readInt());
- }
-
- private @NonNull QNameModule decodeQNameModule() throws IOException {
- final byte type = input.readByte();
- final int index;
- switch (type) {
- case MagnesiumValue.MODREF_1B:
- index = input.readUnsignedByte();
- break;
- case MagnesiumValue.MODREF_2B:
- index = input.readUnsignedShort() + 256;
- break;
- case MagnesiumValue.MODREF_4B:
- index = input.readInt();
- break;
- default:
- return decodeQNameModuleDef(type);
- }
-
- try {
- return codedModules.get(index);
- } catch (IndexOutOfBoundsException e) {
- throw new InvalidNormalizedNodeStreamException("Invalid QNameModule reference " + index, e);
- }
- }
-
- // QNameModule definition, i.e. two encoded strings
- private @NonNull QNameModule decodeQNameModuleDef(final byte type) throws IOException {
- final String namespace = readRefString(type);
-
- final byte refType = input.readByte();
- final String revision = refType == MagnesiumValue.STRING_EMPTY ? null : readRefString(refType);
- final QNameModule module;
- try {
- module = QNameFactory.createModule(namespace, revision);
- } catch (UncheckedExecutionException e) {
- throw new InvalidNormalizedNodeStreamException("Illegal QNameModule ns=" + namespace + " rev=" + revision,
- e);
- }
-
- codedModules.add(module);
- return module;
- }
-
- private @NonNull String readRefString() throws IOException {
- return readRefString(input.readByte());
- }
-
- private @NonNull String readRefString(final byte type) throws IOException {
- final String str;
- switch (type) {
- case MagnesiumValue.STRING_REF_1B:
- return lookupString(input.readUnsignedByte());
- case MagnesiumValue.STRING_REF_2B:
- return lookupString(input.readUnsignedShort() + 256);
- case MagnesiumValue.STRING_REF_4B:
- return lookupString(input.readInt());
- case MagnesiumValue.STRING_EMPTY:
- return "";
- case MagnesiumValue.STRING_2B:
- str = readString2();
- break;
- case MagnesiumValue.STRING_4B:
- str = readString4();
- break;
- case MagnesiumValue.STRING_CHARS:
- str = readCharsString();
- break;
- case MagnesiumValue.STRING_UTF:
- str = input.readUTF();
- break;
- default:
- throw new InvalidNormalizedNodeStreamException("Unexpected String type " + type);
- }
-
- // TODO: consider interning Strings -- that would help with bits, but otherwise it's probably not worth it
- codedStrings.add(verifyNotNull(str));
- return str;
- }
-
- private @NonNull String readString() throws IOException {
- final byte type = input.readByte();
- switch (type) {
- case MagnesiumValue.STRING_EMPTY:
- return "";
- case MagnesiumValue.STRING_UTF:
- return input.readUTF();
- case MagnesiumValue.STRING_2B:
- return readString2();
- case MagnesiumValue.STRING_4B:
- return readString4();
- case MagnesiumValue.STRING_CHARS:
- return readCharsString();
- default:
- throw new InvalidNormalizedNodeStreamException("Unexpected String type " + type);
- }
- }
-
- private @NonNull String readString2() throws IOException {
- return readByteString(input.readUnsignedShort());
- }
-
- private @NonNull String readString4() throws IOException {
- return readByteString(input.readInt());
- }
-
- private @NonNull String readByteString(final int size) throws IOException {
- if (size > 0) {
- final byte[] bytes = new byte[size];
- input.readFully(bytes);
- return new String(bytes, StandardCharsets.UTF_8);
- } else if (size == 0) {
- return "";
- } else {
- throw new InvalidNormalizedNodeStreamException("Invalid String bytes length " + size);
- }
- }
-
- private @NonNull String readCharsString() throws IOException {
- final int size = input.readInt();
- if (size > 0) {
- final char[] chars = new char[size];
- for (int i = 0; i < size; ++i) {
- chars[i] = input.readChar();
- }
- return String.valueOf(chars);
- } else if (size == 0) {
- return "";
- } else {
- throw new InvalidNormalizedNodeStreamException("Invalid String chars length " + size);
- }
- }
-
- private @NonNull NodeIdentifier lookupNodeIdentifier(final int index) throws InvalidNormalizedNodeStreamException {
- try {
- return codedNodeIdentifiers.get(index);
- } catch (IndexOutOfBoundsException e) {
- throw new InvalidNormalizedNodeStreamException("Invalid QName reference " + index, e);
- }
- }
-
- private @NonNull QName lookupQName(final int index) throws InvalidNormalizedNodeStreamException {
- return lookupNodeIdentifier(index).getNodeType();
- }
-
- private @NonNull String lookupString(final int index) throws InvalidNormalizedNodeStreamException {
- try {
- return codedStrings.get(index);
- } catch (IndexOutOfBoundsException e) {
- throw new InvalidNormalizedNodeStreamException("Invalid String reference " + index, e);
- }
- }
-
- private @NonNull DOMSource readDOMSource() throws IOException {
- final String str = readString();
- try {
- return new DOMSource(UntrustedXML.newDocumentBuilder().parse(new InputSource(new StringReader(str)))
- .getDocumentElement());
- } catch (SAXException e) {
- throw new IOException("Error parsing XML: " + str, e);
- }
- }
-
- private @NonNull Object readLeafValue() throws IOException {
- final byte type = input.readByte();
- switch (type) {
- case MagnesiumValue.BOOLEAN_FALSE:
- return Boolean.FALSE;
- case MagnesiumValue.BOOLEAN_TRUE:
- return Boolean.TRUE;
- case MagnesiumValue.EMPTY:
- return Empty.getInstance();
- case MagnesiumValue.INT8:
- return input.readByte();
- case MagnesiumValue.INT8_0:
- return INT8_0;
- case MagnesiumValue.INT16:
- return input.readShort();
- case MagnesiumValue.INT16_0:
- return INT16_0;
- case MagnesiumValue.INT32:
- return input.readInt();
- case MagnesiumValue.INT32_0:
- return INT32_0;
- case MagnesiumValue.INT32_2B:
- return input.readShort() & 0xFFFF;
- case MagnesiumValue.INT64:
- return input.readLong();
- case MagnesiumValue.INT64_0:
- return INT64_0;
- case MagnesiumValue.INT64_4B:
- return input.readInt() & 0xFFFFFFFFL;
- case MagnesiumValue.UINT8:
- return Uint8.fromByteBits(input.readByte());
- case MagnesiumValue.UINT8_0:
- return UINT8_0;
- case MagnesiumValue.UINT16:
- return Uint16.fromShortBits(input.readShort());
- case MagnesiumValue.UINT16_0:
- return UINT16_0;
- case MagnesiumValue.UINT32:
- return Uint32.fromIntBits(input.readInt());
- case MagnesiumValue.UINT32_0:
- return UINT32_0;
- case MagnesiumValue.UINT32_2B:
- return Uint32.fromIntBits(input.readShort() & 0xFFFF);
- case MagnesiumValue.UINT64:
- return Uint64.fromLongBits(input.readLong());
- case MagnesiumValue.UINT64_0:
- return UINT64_0;
- case MagnesiumValue.UINT64_4B:
- return Uint64.fromLongBits(input.readInt() & 0xFFFFFFFFL);
- case MagnesiumValue.BIGDECIMAL:
- // FIXME: use string -> BigDecimal cache
- return new BigDecimal(input.readUTF());
- case MagnesiumValue.BIGINTEGER:
- return readBigInteger();
- case MagnesiumValue.STRING_EMPTY:
- return "";
- case MagnesiumValue.STRING_UTF:
- return input.readUTF();
- case MagnesiumValue.STRING_2B:
- return readString2();
- case MagnesiumValue.STRING_4B:
- return readString4();
- case MagnesiumValue.STRING_CHARS:
- return readCharsString();
- case MagnesiumValue.BINARY_0:
- return BINARY_0;
- case MagnesiumValue.BINARY_1B:
- return readBinary(128 + input.readUnsignedByte());
- case MagnesiumValue.BINARY_2B:
- return readBinary(384 + input.readUnsignedShort());
- case MagnesiumValue.BINARY_4B:
- return readBinary(input.readInt());
- case MagnesiumValue.YIID_0:
- return YangInstanceIdentifier.empty();
- case MagnesiumValue.YIID:
- return readYangInstanceIdentifier(input.readInt());
- case MagnesiumValue.QNAME:
- return decodeQName();
- case MagnesiumValue.QNAME_REF_1B:
- return decodeQNameRef1();
- case MagnesiumValue.QNAME_REF_2B:
- return decodeQNameRef2();
- case MagnesiumValue.QNAME_REF_4B:
- return decodeQNameRef4();
- case MagnesiumValue.BITS_0:
- return ImmutableSet.of();
- case MagnesiumValue.BITS_1B:
- return readBits(input.readUnsignedByte() + 29);
- case MagnesiumValue.BITS_2B:
- return readBits(input.readUnsignedShort() + 285);
- case MagnesiumValue.BITS_4B:
- return readBits(input.readInt());
-
- default:
- if (type > MagnesiumValue.BINARY_0 && type <= MagnesiumValue.BINARY_127) {
- return readBinary(type - MagnesiumValue.BINARY_0);
- } else if (type > MagnesiumValue.BITS_0 && type < MagnesiumValue.BITS_1B) {
- return readBits(type - MagnesiumValue.BITS_0);
- } else if (type > MagnesiumValue.YIID_0) {
- // Note 'byte' is range limited, so it is always '&& type <= MagnesiumValue.YIID_31'
- return readYangInstanceIdentifier(type - MagnesiumValue.YIID_0);
- } else {
- throw new InvalidNormalizedNodeStreamException("Invalid value type " + type);
- }
- }
- }
-
- abstract @NonNull BigInteger readBigInteger() throws IOException;
-
- private byte @NonNull [] readBinary(final int size) throws IOException {
- if (size > 0) {
- final byte[] ret = new byte[size];
- input.readFully(ret);
- return ret;
- } else if (size == 0) {
- return BINARY_0;
- } else {
- throw new InvalidNormalizedNodeStreamException("Invalid binary length " + size);
- }
- }
-
- private @NonNull ImmutableSet<String> readBits(final int size) throws IOException {
- if (size > 0) {
- final ImmutableSet.Builder<String> builder = ImmutableSet.builder();
- for (int i = 0; i < size; ++i) {
- builder.add(readRefString());
- }
- return builder.build();
- } else if (size == 0) {
- return ImmutableSet.of();
- } else {
- throw new InvalidNormalizedNodeStreamException("Invalid bits length " + size);
- }
- }
-
- private static byte mask(final byte header, final byte mask) {
- return (byte) (header & mask);
- }
-
- private static int rshift(final byte header, final byte shift) {
- return (header & 0xFF) >>> shift;
- }
-}
Code Review / controller.git / blobdiff