Move pcep base parser Activator to its own bundle

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

diff --git a/pcep/base-parser/src/main/java/org/opendaylight/protocol/pcep/parser/subobject/EROExplicitExclusionRouteSubobjectParser.java b/pcep/base-parser/src/main/java/org/opendaylight/protocol/pcep/parser/subobject/EROExplicitExclusionRouteSubobjectParser.java
new file mode 100644 (file)
index 0000000..d662564
--- /dev/null
+++ b/pcep/base-parser/src/main/java/org/opendaylight/protocol/pcep/parser/subobject/EROExplicitExclusionRouteSubobjectParser.java
@@ -0,0 +1,99 @@
+/*
+ * 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 com.google.common.base.Preconditions;
+import com.google.common.collect.Lists;
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import java.util.ArrayList;
+import java.util.List;
+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.PCEPDeserializerException;
+import org.opendaylight.protocol.pcep.spi.XROSubobjectRegistry;
+import org.opendaylight.protocol.util.Values;
+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.explicit.route.subobjects.subobject.type.ExrsCase;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.explicit.route.subobjects.subobject.type.ExrsCaseBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.explicit.route.subobjects.subobject.type.exrs._case.Exrs;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.explicit.route.subobjects.subobject.type.exrs._case.ExrsBuilder;
+
+public class EROExplicitExclusionRouteSubobjectParser implements EROSubobjectParser, EROSubobjectSerializer {
+
+    public static final int TYPE = 33;
+
+    private static final int HEADER_LENGTH = 2;
+
+    private final XROSubobjectRegistry registry;
+
+    public EROExplicitExclusionRouteSubobjectParser(final XROSubobjectRegistry registry) {
+        this.registry = registry;
+    }
+
+    @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.");
+        final SubobjectBuilder builder = new SubobjectBuilder();
+        builder.setLoose(loose);
+        final List<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.exclude.route.object.xro.Subobject> list = parseSubobject(buffer);
+        final List<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.explicit.route.subobjects.subobject.type.exrs._case.exrs.Exrs> exrss = Lists.newArrayList();
+        for (final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.exclude.route.object.xro.Subobject s : list) {
+            final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.explicit.route.subobjects.subobject.type.exrs._case.exrs.ExrsBuilder b = new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.explicit.route.subobjects.subobject.type.exrs._case.exrs.ExrsBuilder();
+            b.setAttribute(s.getAttribute());
+            b.setMandatory(s.isMandatory());
+            b.setSubobjectType(s.getSubobjectType());
+            exrss.add(b.build());
+        }
+        builder.setSubobjectType(new ExrsCaseBuilder().setExrs(new ExrsBuilder().setExrs(exrss).build()).build());
+        return builder.build();
+    }
+
+    @Override
+    public void serializeSubobject(final Subobject subobject, final ByteBuf buffer) {
+        Preconditions.checkArgument(subobject.getSubobjectType() instanceof ExrsCase, "Unknown subobject instance. Passed %s. Needed Exrs.", subobject.getSubobjectType().getClass());
+        final Exrs e = ((ExrsCase) subobject.getSubobjectType()).getExrs();
+        final List<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.exclude.route.object.xro.Subobject> list = new ArrayList<>();
+        for (final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.explicit.route.subobjects.subobject.type.exrs._case.exrs.Exrs ex : e.getExrs()) {
+            final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.exclude.route.object.xro.SubobjectBuilder b = new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.exclude.route.object.xro.SubobjectBuilder();
+            b.setAttribute(ex.getAttribute());
+            b.setMandatory(ex.isMandatory());
+            b.setSubobjectType(ex.getSubobjectType());
+            list.add(b.build());
+        }
+        final ByteBuf body = Unpooled.buffer();
+        serializeSubobject(list, body);
+        EROSubobjectUtil.formatSubobject(TYPE, subobject.isLoose(), body, buffer);
+    }
+
+    private List<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.exclude.route.object.xro.Subobject> parseSubobject(
+            final ByteBuf buffer) throws PCEPDeserializerException {
+        Preconditions.checkArgument(buffer != null && buffer.isReadable(), "Array of bytes is mandatory. Can't be null or empty.");
+        final List<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.exclude.route.object.xro.Subobject> subs = new ArrayList<>();
+        while (buffer.isReadable()) {
+            final boolean mandatory = ((buffer.getByte(buffer.readerIndex()) & (1 << Values.FIRST_BIT_OFFSET)) != 0) ? true : false;
+            final int type = (buffer.readUnsignedByte() & Values.BYTE_MAX_VALUE_BYTES) & ~(1 << Values.FIRST_BIT_OFFSET);
+            final int length = buffer.readUnsignedByte() - HEADER_LENGTH;
+            if (length > buffer.readableBytes()) {
+                throw new PCEPDeserializerException("Wrong length specified. Passed: " + length + "; Expected: <= "
+                        + buffer.readableBytes());
+            }
+            subs.add(this.registry.parseSubobject(type, buffer.readSlice(length), mandatory));
+        }
+        return subs;
+    }
+
+    private void serializeSubobject(
+            final List<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.exclude.route.object.xro.Subobject> subobjects, final ByteBuf body) {
+        for (final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.exclude.route.object.xro.Subobject subobject : subobjects) {
+            this.registry.serializeSubobject(subobject, body);
+        }
+    }
+}