*/
package org.opendaylight.yangtools.yang.parser.stmt.rfc6020;
+import com.google.common.base.Preconditions;
+import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.ImmutableSet.Builder;
import java.util.Collection;
-import java.util.HashSet;
-import java.util.LinkedHashSet;
-import java.util.List;
-import java.util.Set;
import org.opendaylight.yangtools.yang.model.api.Rfc6020Mapping;
import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
import org.opendaylight.yangtools.yang.model.api.stmt.KeyStatement;
import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
-import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.KeyEffectiveStatementImpl;
public class KeyStatementImpl extends AbstractDeclaredStatement<Collection<SchemaNodeIdentifier>> implements
}
@Override
- public Collection<SchemaNodeIdentifier> parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value)
- throws SourceException {
-
- final List<String> keyTokens = StmtContextUtils.LIST_KEY_SPLITTER.splitToList(value);
-
- // to detect if key contains duplicates
- if ((new HashSet<>(keyTokens)).size() < keyTokens.size()) {
- throw new IllegalArgumentException();
+ public Collection<SchemaNodeIdentifier> parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
+ final Builder<SchemaNodeIdentifier> builder = ImmutableSet.<SchemaNodeIdentifier>builder();
+ int tokens = 0;
+ for (String keyToken : StmtContextUtils.LIST_KEY_SPLITTER.split(value)) {
+ builder.add(SchemaNodeIdentifier.create(false, Utils.qNameFromArgument(ctx, keyToken)));
+ tokens++;
}
- // FIXME: would an ImmutableSetBuilder be better?
- Set<SchemaNodeIdentifier> keyNodes = new LinkedHashSet<>();
- for (String keyToken : keyTokens) {
- keyNodes.add(SchemaNodeIdentifier.create(false, Utils.qNameFromArgument(ctx, keyToken)));
- }
+ // Throws NPE on nulls, retains first inserted value, cannot be modified
+ final Collection<SchemaNodeIdentifier> ret = builder.build();
- return keyNodes;
+ Preconditions.checkArgument(ret.size() == tokens, "Key argument '%s' contains duplicates", value);
+ return ret;
}
@Override