Move pcep base parser Activator to its own bundle

[bgpcep.git] / pcep / base-parser / src / main / java / org / opendaylight / protocol / pcep / parser / subobject / XROPathKey32SubobjectParser.java

diff --git a/pcep/base-parser/src/main/java/org/opendaylight/protocol/pcep/parser/subobject/XROPathKey32SubobjectParser.java b/pcep/base-parser/src/main/java/org/opendaylight/protocol/pcep/parser/subobject/XROPathKey32SubobjectParser.java
new file mode 100644 (file)
index 0000000..e002027
--- /dev/null
+++ b/pcep/base-parser/src/main/java/org/opendaylight/protocol/pcep/parser/subobject/XROPathKey32SubobjectParser.java
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2013 Cisco Systems, Inc. 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.protocol.pcep.parser.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.PCEPDeserializerException;
+import org.opendaylight.protocol.pcep.spi.XROSubobjectParser;
+import org.opendaylight.protocol.pcep.spi.XROSubobjectSerializer;
+import org.opendaylight.protocol.pcep.spi.XROSubobjectUtil;
+import org.opendaylight.protocol.util.ByteArray;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.exclude.route.object.xro.Subobject;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.exclude.route.object.xro.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}
+ */
+public class XROPathKey32SubobjectParser implements XROSubobjectParser, XROSubobjectSerializer {
+
+    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;
+
+    @Override
+    public Subobject parseSubobject(final ByteBuf buffer, final boolean mandatory) 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.setMandatory(mandatory);
+        builder.setSubobjectType(new PathKeyCaseBuilder().setPathKey(pBuilder.build()).build());
+        return builder.build();
+    }
+
+    @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 == XROPathKey128SubobjectParser.PCE128_ID_F_LENGTH) {
+            XROPathKey128SubobjectParser.serializeSubobject(subobject,buffer);
+        }
+        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());
+        XROSubobjectUtil.formatSubobject(TYPE, subobject.isMandatory(), body, buffer);
+    }
+}