Create AbstractEROPathKeySubobjectParser

[bgpcep.git] / pcep / impl / src / main / java / org / opendaylight / protocol / pcep / impl / subobject / EROPathKey32SubobjectParser.java

diff --git a/pcep/impl/src/main/java/org/opendaylight/protocol/pcep/impl/subobject/EROPathKey32SubobjectParser.java b/pcep/impl/src/main/java/org/opendaylight/protocol/pcep/impl/subobject/EROPathKey32SubobjectParser.java
index 8b12a688cd69fb8d3949295898c26faaa886d9d2..4e75993be0c5493eda6646c3ef117f3969e14491 100644 (file)
--- a/pcep/impl/src/main/java/org/opendaylight/protocol/pcep/impl/subobject/EROPathKey32SubobjectParser.java
+++ b/pcep/impl/src/main/java/org/opendaylight/protocol/pcep/impl/subobject/EROPathKey32SubobjectParser.java
@@ -7,68 +7,23 @@
  */
 package org.opendaylight.protocol.pcep.impl.subobject;
 
-import static org.opendaylight.protocol.util.ByteBufWriteUtil.writeUnsignedShort;
-
-import com.google.common.base.Preconditions;
 import io.netty.buffer.ByteBuf;
-import io.netty.buffer.Unpooled;
-import org.opendaylight.protocol.pcep.spi.EROSubobjectParser;
-import org.opendaylight.protocol.pcep.spi.EROSubobjectSerializer;
-import org.opendaylight.protocol.pcep.spi.EROSubobjectUtil;
+import org.opendaylight.protocol.pcep.spi.AbstractEROPathKeySubobjectParser;
 import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
 import org.opendaylight.protocol.util.ByteArray;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.explicit.route.object.ero.Subobject;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.explicit.route.object.ero.SubobjectBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.PathKey;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.PceId;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.explicit.route.subobjects.subobject.type.PathKeyCase;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.explicit.route.subobjects.subobject.type.PathKeyCaseBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.explicit.route.subobjects.subobject.type.path.key._case.PathKeyBuilder;
-
-/**
- * Parser for {@link PathKey}
- */
-// TODO: refactor to abstract class
-public class EROPathKey32SubobjectParser implements EROSubobjectParser, EROSubobjectSerializer {
 
-    public static final int TYPE = 64;
-
-    private static final int PCE_ID_F_LENGTH = 4;
-
-    private static final int CONTENT_LENGTH = 2 + PCE_ID_F_LENGTH;
+public final class EROPathKey32SubobjectParser extends AbstractEROPathKeySubobjectParser {
 
     @Override
-    public Subobject parseSubobject(final ByteBuf buffer, final boolean loose) throws PCEPDeserializerException {
-        Preconditions.checkArgument(buffer != null && buffer.isReadable(), "Array of bytes is mandatory. Can't be null or empty.");
-        if (buffer.readableBytes() != CONTENT_LENGTH) {
-            throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + buffer.readableBytes() + "; Expected: >"
-                    + CONTENT_LENGTH + ".");
-        }
-        final int pathKey = buffer.readUnsignedShort();
-        final byte[] pceId = ByteArray.readBytes(buffer, PCE_ID_F_LENGTH);
-        final SubobjectBuilder builder = new SubobjectBuilder();
-        final PathKeyBuilder pBuilder = new PathKeyBuilder();
-        pBuilder.setPceId(new PceId(pceId));
-        pBuilder.setPathKey(new PathKey(pathKey));
-        builder.setLoose(loose);
-        builder.setSubobjectType(new PathKeyCaseBuilder().setPathKey(pBuilder.build()).build());
-        return builder.build();
+    protected final byte[] readPceId(final ByteBuf buffer) {
+        return ByteArray.readBytes(buffer, PCE_ID_F_LENGTH);
     }
 
     @Override
-    public void serializeSubobject(final Subobject subobject, final ByteBuf buffer) {
-        Preconditions.checkArgument(subobject.getSubobjectType() instanceof PathKeyCase, "Unknown subobject instance. Passed %s. Needed PathKey.", subobject.getSubobjectType().getClass());
-        final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.explicit.route
-            .subobjects.subobject.type.path.key._case.PathKey pk = ((PathKeyCase) subobject.getSubobjectType()).getPathKey();
-        final ByteBuf body = Unpooled.buffer();
-        Preconditions.checkArgument(pk.getPceId() != null, "PceId is mandatory.");
-        if(pk.getPceId().getBinary().length == EROPathKey128SubobjectParser.PCE128_ID_F_LENGTH) {
-            EROPathKey128SubobjectParser.serializeSubobject(subobject,buffer);
+    protected final void checkContentLenght(final int lenght) throws PCEPDeserializerException {
+        if (lenght != CONTENT_LENGTH) {
+            throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + lenght + "; Expected: >"
+                + CONTENT_LENGTH + ".");
         }
-        Preconditions.checkArgument(pk.getPathKey() != null, "PathKey is mandatory.");
-        writeUnsignedShort(pk.getPathKey().getValue(), body);
-        Preconditions.checkArgument(pk.getPceId().getBinary().length == PCE_ID_F_LENGTH, "PceId 32 Bit required.");
-        body.writeBytes(pk.getPceId().getBinary());
-        EROSubobjectUtil.formatSubobject(TYPE, subobject.isLoose(), body, buffer);
     }
 }