initial import
Change-Id: Ief25aef0066ea96bd2c329ccef974c072b3a5a73
diff --git a/of/lib/src/main/java/org/projectfloodlight/openflow/protocol/OFOxmList.java b/of/lib/src/main/java/org/projectfloodlight/openflow/protocol/OFOxmList.java
new file mode 100644
index 0000000..7f66110
--- /dev/null
+++ b/of/lib/src/main/java/org/projectfloodlight/openflow/protocol/OFOxmList.java
@@ -0,0 +1,154 @@
+package org.projectfloodlight.openflow.protocol;
+
+import java.util.EnumMap;
+import java.util.Iterator;
+import java.util.Map;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.projectfloodlight.openflow.exceptions.OFParseError;
+import org.projectfloodlight.openflow.protocol.match.MatchField;
+import org.projectfloodlight.openflow.protocol.match.MatchFields;
+import org.projectfloodlight.openflow.protocol.oxm.OFOxm;
+import org.projectfloodlight.openflow.types.OFValueType;
+import org.projectfloodlight.openflow.types.PrimitiveSinkable;
+import org.projectfloodlight.openflow.util.ChannelUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.base.Objects;
+import com.google.common.collect.ImmutableMap;
+import com.google.common.hash.PrimitiveSink;
+
+public class OFOxmList implements Iterable<OFOxm<?>>, Writeable, PrimitiveSinkable {
+ private static final Logger logger = LoggerFactory.getLogger(OFOxmList.class);
+
+ private final Map<MatchFields, OFOxm<?>> oxmMap;
+
+ public final static OFOxmList EMPTY = new OFOxmList(ImmutableMap.<MatchFields, OFOxm<?>>of());
+
+ private OFOxmList(Map<MatchFields, OFOxm<?>> oxmMap) {
+ this.oxmMap = oxmMap;
+ }
+
+ @SuppressWarnings("unchecked")
+ public <T extends OFValueType<T>> OFOxm<T> get(MatchField<T> matchField) {
+ return (OFOxm<T>) oxmMap.get(matchField.id);
+ }
+
+ public static class Builder {
+ private final Map<MatchFields, OFOxm<?>> oxmMap;
+
+ public Builder() {
+ oxmMap = new EnumMap<MatchFields, OFOxm<?>>(MatchFields.class);
+ }
+
+ public Builder(EnumMap<MatchFields, OFOxm<?>> oxmMap) {
+ this.oxmMap = oxmMap;
+ }
+
+ public <T extends OFValueType<T>> void set(OFOxm<T> oxm) {
+ oxmMap.put(oxm.getMatchField().id, oxm);
+ }
+
+ public <T extends OFValueType<T>> void unset(MatchField<T> matchField) {
+ oxmMap.remove(matchField.id);
+ }
+
+ public OFOxmList build() {
+ return OFOxmList.ofList(oxmMap.values());
+ }
+ }
+
+ @Override
+ public Iterator<OFOxm<?>> iterator() {
+ return oxmMap.values().iterator();
+ }
+
+ public static OFOxmList ofList(Iterable<OFOxm<?>> oxmList) {
+ Map<MatchFields, OFOxm<?>> map = new EnumMap<MatchFields, OFOxm<?>>(
+ MatchFields.class);
+ for (OFOxm<?> o : oxmList) {
+ OFOxm<?> canonical = o.getCanonical();
+
+ if(logger.isDebugEnabled() && !Objects.equal(o, canonical)) {
+ logger.debug("OFOxmList: normalized non-canonical OXM {} to {}", o, canonical);
+ }
+
+ if(canonical != null)
+ map.put(canonical.getMatchField().id, canonical);
+
+ }
+ return new OFOxmList(map);
+ }
+
+ public static OFOxmList of(OFOxm<?>... oxms) {
+ Map<MatchFields, OFOxm<?>> map = new EnumMap<MatchFields, OFOxm<?>>(
+ MatchFields.class);
+ for (OFOxm<?> o : oxms) {
+ OFOxm<?> canonical = o.getCanonical();
+
+ if(logger.isDebugEnabled() && !Objects.equal(o, canonical)) {
+ logger.debug("OFOxmList: normalized non-canonical OXM {} to {}", o, canonical);
+ }
+
+ if(canonical != null)
+ map.put(canonical.getMatchField().id, canonical);
+ }
+ return new OFOxmList(map);
+ }
+
+ public static OFOxmList readFrom(ChannelBuffer bb, int length,
+ OFMessageReader<OFOxm<?>> reader) throws OFParseError {
+ return ofList(ChannelUtils.readList(bb, length, reader));
+ }
+
+ @Override
+ public void writeTo(ChannelBuffer bb) {
+ for (OFOxm<?> o : this) {
+ o.writeTo(bb);
+ }
+ }
+
+ public OFOxmList.Builder createBuilder() {
+ return new OFOxmList.Builder(new EnumMap<MatchFields, OFOxm<?>>(oxmMap));
+ }
+
+ @Override
+ public int hashCode() {
+ final int prime = 31;
+ int result = 1;
+ result = prime * result + ((oxmMap == null) ? 0 : oxmMap.hashCode());
+ return result;
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj)
+ return true;
+ if (obj == null)
+ return false;
+ if (getClass() != obj.getClass())
+ return false;
+ OFOxmList other = (OFOxmList) obj;
+ if (oxmMap == null) {
+ if (other.oxmMap != null)
+ return false;
+ } else if (!oxmMap.equals(other.oxmMap))
+ return false;
+ return true;
+ }
+
+ @Override
+ public String toString() {
+ return "OFOxmList" + oxmMap;
+ }
+
+ @Override
+ public void putTo(PrimitiveSink sink) {
+ for (OFOxm<?> o : this) {
+ o.putTo(sink);
+ }
+ }
+
+
+}