import static java.util.Objects.requireNonNull;
import com.google.common.base.MoreObjects;
-import com.google.common.base.Optional;
import com.google.common.base.Predicate;
import com.google.common.base.Splitter;
import com.google.common.base.Strings;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
-import java.util.Set;
+import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.jdt.annotation.Nullable;
import org.opendaylight.netconf.client.NetconfClientSession;
import org.opendaylight.netconf.sal.connect.netconf.util.NetconfMessageTransformUtil;
import org.slf4j.LoggerFactory;
// FIXME: propagate to API with immutable semantics
-public final class NetconfSessionPreferences {
-
- private static final class ParameterMatcher {
- private final Predicate<String> predicate;
- private final int skipLength;
-
- ParameterMatcher(final String name) {
- predicate = input -> input.startsWith(name);
-
- skipLength = name.length();
- }
-
- String from(final Iterable<String> params) {
- final Optional<String> o = Iterables.tryFind(params, predicate);
- if (!o.isPresent()) {
- return null;
- }
-
- return o.get().substring(skipLength);
- }
- }
-
+public record NetconfSessionPreferences(
+ @NonNull ImmutableMap<String, CapabilityOrigin> nonModuleCaps,
+ @NonNull ImmutableMap<QName, CapabilityOrigin> moduleBasedCaps) {
private static final Logger LOG = LoggerFactory.getLogger(NetconfSessionPreferences.class);
private static final ParameterMatcher MODULE_PARAM = new ParameterMatcher("module=");
private static final ParameterMatcher REVISION_PARAM = new ParameterMatcher("revision=");
private static final ParameterMatcher BROKEN_REVISON_PARAM = new ParameterMatcher("amp;revision=");
private static final Splitter AMP_SPLITTER = Splitter.on('&');
- private static final Predicate<String> CONTAINS_REVISION = input -> input.contains("revision=");
- private final ImmutableMap<QName, CapabilityOrigin> moduleBasedCaps;
- private final ImmutableMap<String, CapabilityOrigin> nonModuleCaps;
-
- private NetconfSessionPreferences(final ImmutableMap<String, CapabilityOrigin> nonModuleCaps,
- final ImmutableMap<QName, CapabilityOrigin> moduleBasedCaps) {
- this.nonModuleCaps = requireNonNull(nonModuleCaps);
- this.moduleBasedCaps = requireNonNull(moduleBasedCaps);
+ public NetconfSessionPreferences {
+ requireNonNull(nonModuleCaps);
+ requireNonNull(moduleBasedCaps);
}
- public Set<QName> getModuleBasedCaps() {
- return moduleBasedCaps.keySet();
+ public static @NonNull NetconfSessionPreferences fromNetconfSession(final NetconfClientSession session) {
+ return fromStrings(session.getServerCapabilities());
}
- public Map<QName, CapabilityOrigin> getModuleBasedCapsOrigin() {
- return moduleBasedCaps;
+ public static @NonNull NetconfSessionPreferences fromStrings(final Collection<String> capabilities) {
+ // we do not know origin of capabilities from only Strings, so we set it to default value
+ return fromStrings(capabilities, CapabilityOrigin.DeviceAdvertised);
}
- public Set<String> getNonModuleCaps() {
- return nonModuleCaps.keySet();
- }
+ public static @NonNull NetconfSessionPreferences fromStrings(final Collection<String> capabilities,
+ final CapabilityOrigin capabilityOrigin) {
+ final var moduleBasedCaps = new HashMap<QName, CapabilityOrigin>();
+ final var nonModuleCaps = new HashMap<String, CapabilityOrigin>();
+
+ for (final String capability : capabilities) {
+ nonModuleCaps.put(capability, capabilityOrigin);
+ final int qmark = capability.indexOf('?');
+ if (qmark == -1) {
+ continue;
+ }
+
+ final String namespace = capability.substring(0, qmark);
+ final Iterable<String> queryParams = AMP_SPLITTER.split(capability.substring(qmark + 1));
+ final String moduleName = MODULE_PARAM.from(queryParams);
+ if (Strings.isNullOrEmpty(moduleName)) {
+ continue;
+ }
+
+ String revision = REVISION_PARAM.from(queryParams);
+ if (!Strings.isNullOrEmpty(revision)) {
+ addModuleQName(moduleBasedCaps, nonModuleCaps, capability, cachedQName(namespace, revision, moduleName),
+ capabilityOrigin);
+ continue;
+ }
- public Map<String, CapabilityOrigin> getNonModuleBasedCapsOrigin() {
- return nonModuleCaps;
+ /*
+ * We have seen devices which mis-escape revision, but the revision may not
+ * even be there. First check if there is a substring that matches revision.
+ */
+ if (Iterables.any(queryParams, input -> input.contains("revision="))) {
+ LOG.debug("Netconf device was not reporting revision correctly, trying to get amp;revision=");
+ revision = BROKEN_REVISON_PARAM.from(queryParams);
+ if (Strings.isNullOrEmpty(revision)) {
+ LOG.warn("Netconf device returned revision incorrectly escaped for {}, ignoring it", capability);
+ addModuleQName(moduleBasedCaps, nonModuleCaps, capability,
+ cachedQName(namespace, moduleName), capabilityOrigin);
+ } else {
+ addModuleQName(moduleBasedCaps, nonModuleCaps, capability,
+ cachedQName(namespace, revision, moduleName), capabilityOrigin);
+ }
+ continue;
+ }
+
+ // Fallback, no revision provided for module
+ addModuleQName(moduleBasedCaps, nonModuleCaps, capability,
+ cachedQName(namespace, moduleName), capabilityOrigin);
+ }
+
+ return new NetconfSessionPreferences(ImmutableMap.copyOf(nonModuleCaps), ImmutableMap.copyOf(moduleBasedCaps));
}
public @Nullable CapabilityOrigin capabilityOrigin(final QName capability) {
// allows partial matches - assuming parameters are in the same order
public boolean containsPartialNonModuleCapability(final String capability) {
- for (final String nonModuleCap : getNonModuleCaps()) {
+ for (var nonModuleCap : nonModuleCaps.keySet()) {
if (nonModuleCap.startsWith(capability)) {
LOG.trace("capability {} partially matches {}", capability, nonModuleCaps);
return true;
@Override
public String toString() {
return MoreObjects.toStringHelper(this)
- .add("capabilities", nonModuleCaps)
- .add("moduleBasedCapabilities", moduleBasedCaps)
- .add("rollback", isRollbackSupported())
- .add("monitoring", isMonitoringSupported())
- .add("candidate", isCandidateSupported())
- .add("writableRunning", isRunningWritable())
- .toString();
+ .add("capabilities", nonModuleCaps)
+ .add("moduleBasedCapabilities", moduleBasedCaps)
+ .add("rollback", isRollbackSupported())
+ .add("monitoring", isMonitoringSupported())
+ .add("candidate", isCandidateSupported())
+ .add("writableRunning", isRunningWritable())
+ .toString();
}
public boolean isRollbackSupported() {
return new NetconfSessionPreferences(netconfSessionPreferences.nonModuleCaps, moduleBasedCaps);
}
- public static NetconfSessionPreferences fromNetconfSession(final NetconfClientSession session) {
- return fromStrings(session.getServerCapabilities());
- }
-
private static QName cachedQName(final String namespace, final String revision, final String moduleName) {
return QName.create(namespace, revision, moduleName).intern();
}
return QName.create(XMLNamespace.of(namespace), moduleName).withoutRevision().intern();
}
- public static NetconfSessionPreferences fromStrings(final Collection<String> capabilities) {
- // we do not know origin of capabilities from only Strings, so we set it to default value
- return fromStrings(capabilities, CapabilityOrigin.DeviceAdvertised);
+ private static void addModuleQName(final Map<QName, CapabilityOrigin> moduleBasedCaps,
+ final Map<String, CapabilityOrigin> nonModuleCaps, final String capability,
+ final QName qualifiedName, final CapabilityOrigin capabilityOrigin) {
+ moduleBasedCaps.put(qualifiedName, capabilityOrigin);
+ nonModuleCaps.remove(capability);
}
- public static NetconfSessionPreferences fromStrings(final Collection<String> capabilities,
- final CapabilityOrigin capabilityOrigin) {
- final var moduleBasedCaps = new HashMap<QName, CapabilityOrigin>();
- final var nonModuleCaps = new HashMap<String, CapabilityOrigin>();
-
- for (final String capability : capabilities) {
- nonModuleCaps.put(capability, capabilityOrigin);
- final int qmark = capability.indexOf('?');
- if (qmark == -1) {
- continue;
- }
-
- final String namespace = capability.substring(0, qmark);
- final Iterable<String> queryParams = AMP_SPLITTER.split(capability.substring(qmark + 1));
- final String moduleName = MODULE_PARAM.from(queryParams);
- if (Strings.isNullOrEmpty(moduleName)) {
- continue;
- }
-
- String revision = REVISION_PARAM.from(queryParams);
- if (!Strings.isNullOrEmpty(revision)) {
- addModuleQName(moduleBasedCaps, nonModuleCaps, capability, cachedQName(namespace, revision, moduleName),
- capabilityOrigin);
- continue;
- }
+ private static final class ParameterMatcher {
+ private final Predicate<String> predicate;
+ private final int skipLength;
- /*
- * We have seen devices which mis-escape revision, but the revision may not
- * even be there. First check if there is a substring that matches revision.
- */
- if (Iterables.any(queryParams, CONTAINS_REVISION)) {
+ ParameterMatcher(final String name) {
+ predicate = input -> input.startsWith(name);
+ skipLength = name.length();
+ }
- LOG.debug("Netconf device was not reporting revision correctly, trying to get amp;revision=");
- revision = BROKEN_REVISON_PARAM.from(queryParams);
- if (Strings.isNullOrEmpty(revision)) {
- LOG.warn("Netconf device returned revision incorrectly escaped for {}, ignoring it", capability);
- addModuleQName(moduleBasedCaps, nonModuleCaps, capability,
- cachedQName(namespace, moduleName), capabilityOrigin);
- } else {
- addModuleQName(moduleBasedCaps, nonModuleCaps, capability,
- cachedQName(namespace, revision, moduleName), capabilityOrigin);
- }
- continue;
+ String from(final Iterable<String> params) {
+ final var found = Iterables.tryFind(params, predicate);
+ if (!found.isPresent()) {
+ return null;
}
-
- // Fallback, no revision provided for module
- addModuleQName(moduleBasedCaps, nonModuleCaps, capability,
- cachedQName(namespace, moduleName), capabilityOrigin);
+ return found.get().substring(skipLength);
}
-
- return new NetconfSessionPreferences(ImmutableMap.copyOf(nonModuleCaps), ImmutableMap.copyOf(moduleBasedCaps));
- }
-
- private static void addModuleQName(final Map<QName, CapabilityOrigin> moduleBasedCaps,
- final Map<String, CapabilityOrigin> nonModuleCaps, final String capability,
- final QName qualifiedName, final CapabilityOrigin capabilityOrigin) {
- moduleBasedCaps.put(qualifiedName, capabilityOrigin);
- nonModuleCaps.remove(capability);
}
}