diff --git a/apps/mappingmanagement/web/src/main/java/org/onosproject/mapping/web/MappingCodecRegistrator.java b/apps/mappingmanagement/web/src/main/java/org/onosproject/mapping/web/MappingCodecRegistrator.java index 2e6878c2f2..9540cc885a 100644 --- a/apps/mappingmanagement/web/src/main/java/org/onosproject/mapping/web/MappingCodecRegistrator.java +++ b/apps/mappingmanagement/web/src/main/java/org/onosproject/mapping/web/MappingCodecRegistrator.java @@ -22,7 +22,9 @@ import org.apache.felix.scr.annotations.Reference; import org.apache.felix.scr.annotations.ReferenceCardinality; import org.onosproject.codec.CodecService; import org.onosproject.mapping.addresses.MappingAddress; +import org.onosproject.mapping.instructions.MappingInstruction; import org.onosproject.mapping.web.codec.MappingAddressCodec; +import org.onosproject.mapping.web.codec.MappingInstructionCodec; import org.slf4j.Logger; import static org.slf4j.LoggerFactory.getLogger; @@ -41,6 +43,7 @@ public class MappingCodecRegistrator { @Activate public void activate() { codecService.registerCodec(MappingAddress.class, new MappingAddressCodec()); + codecService.registerCodec(MappingInstruction.class, new MappingInstructionCodec()); log.info("Started"); } @@ -48,6 +51,7 @@ public class MappingCodecRegistrator { @Deactivate public void deactivate() { codecService.unregisterCodec(MappingAddress.class); + codecService.unregisterCodec(MappingInstruction.class); log.info("Stopped"); } diff --git a/apps/mappingmanagement/web/src/main/java/org/onosproject/mapping/web/codec/DecodeMappingInstructionCodecHelper.java b/apps/mappingmanagement/web/src/main/java/org/onosproject/mapping/web/codec/DecodeMappingInstructionCodecHelper.java new file mode 100644 index 0000000000..9519439d34 --- /dev/null +++ b/apps/mappingmanagement/web/src/main/java/org/onosproject/mapping/web/codec/DecodeMappingInstructionCodecHelper.java @@ -0,0 +1,113 @@ +/* + * Copyright 2017-present Open Networking Laboratory + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.onosproject.mapping.web.codec; + +import com.fasterxml.jackson.databind.node.ObjectNode; +import org.onosproject.codec.CodecContext; +import org.onosproject.mapping.instructions.MappingInstruction; +import org.onosproject.mapping.instructions.MappingInstructions; +import org.onosproject.mapping.instructions.MulticastMappingInstruction; +import org.onosproject.mapping.instructions.UnicastMappingInstruction; + +import static org.onlab.util.Tools.nullIsIllegal; + +/** + * Decoding portion of the mapping instruction codec. + */ +public final class DecodeMappingInstructionCodecHelper { + private final ObjectNode json; + private final CodecContext context; + + /** + * Creates a decode mapping instruction codec object. + * + * @param json JSON object to decode + * @param context codec context + */ + public DecodeMappingInstructionCodecHelper(ObjectNode json, CodecContext context) { + this.json = json; + this.context = context; + } + + /** + * Decodes an unicast mapping instruction. + * + * @return mapping instruction object decoded from the JSON + * @throws IllegalArgumentException if the JSON is invalid + */ + private MappingInstruction decodeUnicast() { + String subType = nullIsIllegal(json.get(MappingInstructionCodec.SUBTYPE), + MappingInstructionCodec.SUBTYPE + MappingInstructionCodec.ERROR_MESSAGE).asText(); + + if (subType.equals(UnicastMappingInstruction.UnicastType.WEIGHT.name())) { + int weight = nullIsIllegal(json.get(MappingInstructionCodec.UNICAST_WEIGHT), + MappingInstructionCodec.UNICAST_WEIGHT + + MappingInstructionCodec.MISSING_MEMBER_MESSAGE).asInt(); + return MappingInstructions.unicastWeight(weight); + } else if (subType.equals(UnicastMappingInstruction.UnicastType.PRIORITY.name())) { + int priority = nullIsIllegal(json.get(MappingInstructionCodec.UNICAST_PRIORITY), + MappingInstructionCodec.UNICAST_PRIORITY + + MappingInstructionCodec.MISSING_MEMBER_MESSAGE).asInt(); + return MappingInstructions.unicastPriority(priority); + } + throw new IllegalArgumentException("Unicast MappingInstruction subtype " + + subType + " is not supported"); + } + + /** + * Decodes a multicast mapping instruction. + * + * @return mapping instruction object decoded from the JSON + * @throws IllegalArgumentException if the JSON is invalid + */ + private MappingInstruction decodeMulticast() { + String subType = nullIsIllegal(json.get(MappingInstructionCodec.SUBTYPE), + MappingInstructionCodec.SUBTYPE + MappingInstructionCodec.ERROR_MESSAGE).asText(); + + if (subType.equals(MulticastMappingInstruction.MulticastType.WEIGHT.name())) { + int weight = nullIsIllegal(json.get(MappingInstructionCodec.MULTICAST_WEIGHT), + MappingInstructionCodec.MULTICAST_WEIGHT + + MappingInstructionCodec.MISSING_MEMBER_MESSAGE).asInt(); + return MappingInstructions.multicastWeight(weight); + } else if (subType.equals(MulticastMappingInstruction.MulticastType.PRIORITY.name())) { + int priority = nullIsIllegal(json.get(MappingInstructionCodec.MULTICAST_PRIORITY), + MappingInstructionCodec.MULTICAST_PRIORITY + + MappingInstructionCodec.MISSING_MEMBER_MESSAGE).asInt(); + return MappingInstructions.multicastPriority(priority); + } + throw new IllegalArgumentException("Multicast MappingInstruction subtype " + + subType + " is not supported"); + } + + /** + * Decodes the JSON into a mapping instruction object. + * + * @return MappingInstruction object + * @throws IllegalArgumentException if the JSON is invalid + */ + public MappingInstruction decode() { + String type = nullIsIllegal(json.get(MappingInstructionCodec.TYPE), + MappingInstructionCodec.TYPE + MappingInstructionCodec.ERROR_MESSAGE).asText(); + + if (type.equals(MappingInstruction.Type.UNICAST.name())) { + return decodeUnicast(); + } else if (type.equals(MappingInstruction.Type.MULTICAST.name())) { + return decodeMulticast(); + } + throw new IllegalArgumentException("MappingInstruction type " + + type + " is not supported"); + } +} diff --git a/apps/mappingmanagement/web/src/main/java/org/onosproject/mapping/web/codec/EncodeMappingInstructionCodecHelper.java b/apps/mappingmanagement/web/src/main/java/org/onosproject/mapping/web/codec/EncodeMappingInstructionCodecHelper.java new file mode 100644 index 0000000000..1ef89d13c3 --- /dev/null +++ b/apps/mappingmanagement/web/src/main/java/org/onosproject/mapping/web/codec/EncodeMappingInstructionCodecHelper.java @@ -0,0 +1,129 @@ +/* + * Copyright 2017-present Open Networking Laboratory + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.onosproject.mapping.web.codec; + +import com.fasterxml.jackson.databind.node.ObjectNode; +import org.onosproject.codec.CodecContext; +import org.onosproject.mapping.instructions.MappingInstruction; +import org.onosproject.mapping.instructions.MulticastMappingInstruction; +import org.onosproject.mapping.instructions.UnicastMappingInstruction; +import org.slf4j.Logger; + +import static org.slf4j.LoggerFactory.getLogger; + +/** + * JSON encoding of MappingInstructions. + */ +public final class EncodeMappingInstructionCodecHelper { + protected static final Logger log = getLogger(EncodeMappingInstructionCodecHelper.class); + private final MappingInstruction instruction; + private final CodecContext context; + + /** + * Creates a mapping instruction object encoder. + * + * @param instruction mapping instruction to encode + * @param context codec context for the encoding + */ + public EncodeMappingInstructionCodecHelper(MappingInstruction instruction, + CodecContext context) { + this.instruction = instruction; + this.context = context; + } + + /** + * Encodes an unicast mapping instruction. + * + * @param result json node that the mapping instruction + * attributes are added to + */ + private void encodeUnicast(ObjectNode result) { + UnicastMappingInstruction unicastInstruction = + (UnicastMappingInstruction) instruction; + result.put(MappingInstructionCodec.SUBTYPE, unicastInstruction.subtype().name()); + + switch (unicastInstruction.subtype()) { + case WEIGHT: + UnicastMappingInstruction.WeightMappingInstruction wmi = + (UnicastMappingInstruction.WeightMappingInstruction) + unicastInstruction; + result.put(MappingInstructionCodec.UNICAST_WEIGHT, wmi.weight()); + break; + case PRIORITY: + UnicastMappingInstruction.PriorityMappingInstruction pmi = + (UnicastMappingInstruction.PriorityMappingInstruction) + unicastInstruction; + result.put(MappingInstructionCodec.UNICAST_PRIORITY, pmi.priority()); + break; + default: + log.info("Cannot convert unicast subtype of {}", + unicastInstruction.subtype()); + } + } + + /** + * Encodes a multicast mapping instruction. + * + * @param result json node that the mapping instruction + * attributes are added to + */ + private void encodeMulticast(ObjectNode result) { + MulticastMappingInstruction multicastMappingInstruction = + (MulticastMappingInstruction) instruction; + result.put(MappingInstructionCodec.SUBTYPE, multicastMappingInstruction.subtype().name()); + + switch (multicastMappingInstruction.subtype()) { + case WEIGHT: + MulticastMappingInstruction.WeightMappingInstruction wmi = + (MulticastMappingInstruction.WeightMappingInstruction) + multicastMappingInstruction; + result.put(MappingInstructionCodec.MULTICAST_WEIGHT, wmi.weight()); + break; + case PRIORITY: + MulticastMappingInstruction.PriorityMappingInstruction pmi = + (MulticastMappingInstruction.PriorityMappingInstruction) + multicastMappingInstruction; + result.put(MappingInstructionCodec.MULTICAST_PRIORITY, pmi.priority()); + break; + default: + log.info("Cannot convert multicast subtype of {}", + multicastMappingInstruction.subtype()); + } + } + + /** + * Encodes the given mapping instruction into JSON. + * + * @return JSON object node representing the mapping instruction. + */ + public ObjectNode encode() { + final ObjectNode result = context.mapper().createObjectNode() + .put(MappingInstructionCodec.TYPE, instruction.type().toString()); + + switch (instruction.type()) { + case UNICAST: + encodeUnicast(result); + break; + case MULTICAST: + encodeMulticast(result); + break; + default: + log.info("Cannot convert mapping instruction type of {}", instruction.type()); + break; + } + return result; + } +} diff --git a/apps/mappingmanagement/web/src/main/java/org/onosproject/mapping/web/codec/MappingInstructionCodec.java b/apps/mappingmanagement/web/src/main/java/org/onosproject/mapping/web/codec/MappingInstructionCodec.java new file mode 100644 index 0000000000..dff9133308 --- /dev/null +++ b/apps/mappingmanagement/web/src/main/java/org/onosproject/mapping/web/codec/MappingInstructionCodec.java @@ -0,0 +1,52 @@ +/* + * Copyright 2017-present Open Networking Laboratory + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.onosproject.mapping.web.codec; + +import com.fasterxml.jackson.databind.node.ObjectNode; +import org.onosproject.codec.CodecContext; +import org.onosproject.codec.JsonCodec; +import org.onosproject.mapping.instructions.MappingInstruction; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import static com.google.common.base.Preconditions.checkNotNull; + +/** + * Mapping instruction codec. + */ +public final class MappingInstructionCodec extends JsonCodec { + + protected static final Logger log = LoggerFactory.getLogger(MappingInstruction.class); + + protected static final String TYPE = "type"; + protected static final String SUBTYPE = "subtype"; + protected static final String UNICAST_WEIGHT = "unicastWeight"; + protected static final String UNICAST_PRIORITY = "unicastPriority"; + protected static final String MULTICAST_WEIGHT = "multicastWeight"; + protected static final String MULTICAST_PRIORITY = "multicastPriority"; + + protected static final String MISSING_MEMBER_MESSAGE = + " member is required in Instruction"; + protected static final String ERROR_MESSAGE = + " not specified in Instruction"; + + @Override + public ObjectNode encode(MappingInstruction instruction, CodecContext context) { + checkNotNull(instruction, "Mapping instruction cannot be null"); + + return new EncodeMappingInstructionCodecHelper(instruction, context).encode(); + } +} diff --git a/apps/mappingmanagement/web/src/test/java/org/onosproject/mapping/web/codec/MappingAddressCodecTest.java b/apps/mappingmanagement/web/src/test/java/org/onosproject/mapping/web/codec/MappingAddressCodecTest.java index 0d004b080d..41913c343b 100644 --- a/apps/mappingmanagement/web/src/test/java/org/onosproject/mapping/web/codec/MappingAddressCodecTest.java +++ b/apps/mappingmanagement/web/src/test/java/org/onosproject/mapping/web/codec/MappingAddressCodecTest.java @@ -41,7 +41,7 @@ public class MappingAddressCodecTest { private CodecContext context; private JsonCodec addressCodec; - MappingCodecRegistrator registrator; + private MappingCodecRegistrator registrator; private static final IpPrefix IPV4_PREFIX = IpPrefix.valueOf("10.1.1.0/24"); private static final IpPrefix IPV6_PREFIX = IpPrefix.valueOf("fe80::/64"); private static final MacAddress MAC = MacAddress.valueOf("00:00:11:00:00:01"); diff --git a/apps/mappingmanagement/web/src/test/java/org/onosproject/mapping/web/codec/MappingInstructionCodecTest.java b/apps/mappingmanagement/web/src/test/java/org/onosproject/mapping/web/codec/MappingInstructionCodecTest.java new file mode 100644 index 0000000000..715af50d5b --- /dev/null +++ b/apps/mappingmanagement/web/src/test/java/org/onosproject/mapping/web/codec/MappingInstructionCodecTest.java @@ -0,0 +1,153 @@ +/* + * Copyright 2017-present Open Networking Laboratory + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.onosproject.mapping.web.codec; + +import com.fasterxml.jackson.databind.ObjectMapper; +import com.fasterxml.jackson.databind.node.ObjectNode; +import org.junit.After; +import org.junit.Before; +import org.junit.Test; +import org.onosproject.codec.CodecContext; +import org.onosproject.codec.CodecService; +import org.onosproject.codec.JsonCodec; +import org.onosproject.codec.impl.CodecManager; +import org.onosproject.mapping.instructions.MappingInstruction; +import org.onosproject.mapping.instructions.MappingInstructions; +import org.onosproject.mapping.instructions.MulticastMappingInstruction; +import org.onosproject.mapping.instructions.UnicastMappingInstruction; +import org.onosproject.mapping.web.MappingCodecRegistrator; + +import static org.hamcrest.MatcherAssert.assertThat; +import static org.hamcrest.Matchers.notNullValue; +import static org.onosproject.mapping.web.codec.MappingInstructionJsonMatcher.matchesInstruction; + +/** + * Unit tests for MappingInstructionCodec. + */ +public class MappingInstructionCodecTest { + + private CodecContext context; + private JsonCodec instructionCodec; + private MappingCodecRegistrator registrator; + + private static final int UNICAST_WEIGHT = 1; + private static final int UNICAST_PRIORITY = 1; + private static final int MULTICAST_WEIGHT = 2; + private static final int MULTICAST_PRIORITY = 2; + + /** + * Sets up for each test. + * Creates a context and fetches the mapping instruction codec. + */ + @Before + public void setUp() { + CodecManager manager = new CodecManager(); + registrator = new MappingCodecRegistrator(); + registrator.codecService = manager; + registrator.activate(); + + context = new MappingInstructionCodecTest.MappingTestContext(registrator.codecService); + + instructionCodec = context.codec(MappingInstruction.class); + assertThat(instructionCodec, notNullValue()); + } + + @After + public void tearDown() { + registrator.deactivate(); + } + + /** + * Tests the encoding of unicast weight instruction. + */ + @Test + public void unicastWeightInstrutionTest() { + final UnicastMappingInstruction.WeightMappingInstruction instruction = + (UnicastMappingInstruction.WeightMappingInstruction) + MappingInstructions.unicastWeight(UNICAST_WEIGHT); + final ObjectNode instructionJson = + instructionCodec.encode(instruction, context); + assertThat(instructionJson, matchesInstruction(instruction)); + } + + /** + * Tests the encoding of unicast priority instruction. + */ + @Test + public void unicastPriorityInstructionTest() { + final UnicastMappingInstruction.PriorityMappingInstruction instruction = + (UnicastMappingInstruction.PriorityMappingInstruction) + MappingInstructions.unicastPriority(UNICAST_PRIORITY); + final ObjectNode instructionJson = + instructionCodec.encode(instruction, context); + assertThat(instructionJson, matchesInstruction(instruction)); + } + + /** + * Tests the encoding of multicast weight instruction. + */ + @Test + public void multicastWeightInstructionTest() { + final MulticastMappingInstruction.WeightMappingInstruction instruction = + (MulticastMappingInstruction.WeightMappingInstruction) + MappingInstructions.multicastWeight(MULTICAST_WEIGHT); + final ObjectNode instructionJson = + instructionCodec.encode(instruction, context); + assertThat(instructionJson, matchesInstruction(instruction)); + } + + /** + * Tests the encoding of multicast priority instruction. + */ + @Test + public void multicastPriorityInstructionTest() { + final MulticastMappingInstruction.PriorityMappingInstruction instruction = + (MulticastMappingInstruction.PriorityMappingInstruction) + MappingInstructions.multicastPriority(MULTICAST_PRIORITY); + final ObjectNode instructionJson = + instructionCodec.encode(instruction, context); + assertThat(instructionJson, matchesInstruction(instruction)); } + + /** + * Test mapping codec context. + */ + private class MappingTestContext implements CodecContext { + private final ObjectMapper mapper = new ObjectMapper(); + private final CodecService manager; + + /** + * Constructs a new mock codec context. + */ + public MappingTestContext(CodecService manager) { + this.manager = manager; + } + + @Override + public ObjectMapper mapper() { + return mapper; + } + + @Override + public JsonCodec codec(Class entityClass) { + return manager.getCodec(entityClass); + } + + @Override + public T getService(Class serviceClass) { + return null; + } + } +} diff --git a/apps/mappingmanagement/web/src/test/java/org/onosproject/mapping/web/codec/MappingInstructionJsonMatcher.java b/apps/mappingmanagement/web/src/test/java/org/onosproject/mapping/web/codec/MappingInstructionJsonMatcher.java new file mode 100644 index 0000000000..c1d0ccea34 --- /dev/null +++ b/apps/mappingmanagement/web/src/test/java/org/onosproject/mapping/web/codec/MappingInstructionJsonMatcher.java @@ -0,0 +1,214 @@ +/* + * Copyright 2017-present Open Networking Laboratory + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.onosproject.mapping.web.codec; + +import com.fasterxml.jackson.databind.JsonNode; +import org.hamcrest.Description; +import org.hamcrest.TypeSafeDiagnosingMatcher; +import org.onosproject.mapping.instructions.MappingInstruction; +import org.onosproject.mapping.instructions.MulticastMappingInstruction; +import org.onosproject.mapping.instructions.UnicastMappingInstruction; + +/** + * Hamcrest matcher for mapping instructions. + */ +public final class MappingInstructionJsonMatcher + extends TypeSafeDiagnosingMatcher { + + private final MappingInstruction instruction; + + /** + * A default constructor. + * + * @param instruction mapping instruction + */ + private MappingInstructionJsonMatcher(MappingInstruction instruction) { + this.instruction = instruction; + } + + /** + * Matches the contents of an unicast weight mapping instruction. + * + * @param node JSON instruction to match + * @param description object used for recording errors + * @return true if contents match, false otherwise + */ + private boolean matchUnicastWeightInstruction(JsonNode node, + Description description) { + UnicastMappingInstruction.WeightMappingInstruction instructionToMatch = + (UnicastMappingInstruction.WeightMappingInstruction) instruction; + final String jsonSubtype = node.get(MappingInstructionCodec.SUBTYPE).textValue(); + if (!instructionToMatch.subtype().name().equals(jsonSubtype)) { + description.appendText("subtype was " + jsonSubtype); + return false; + } + + final String jsonType = node.get(MappingInstructionCodec.TYPE).textValue(); + if (!instructionToMatch.type().name().equals(jsonType)) { + description.appendText("type was " + jsonType); + return false; + } + + final int jsonWeight = node.get(MappingInstructionCodec.UNICAST_WEIGHT).intValue(); + final int weight = instructionToMatch.weight(); + if (jsonWeight != weight) { + description.appendText("Unicast weight was " + jsonWeight); + return false; + } + + return true; + } + + /** + * Matches the contents of an unicast priority mapping instruction. + * + * @param node JSON instruction to match + * @param description object used for recording errors + * @return true if contents match, false otherwise + */ + private boolean matchUnicastPriorityInstruction(JsonNode node, + Description description) { + UnicastMappingInstruction.PriorityMappingInstruction instructionToMatch = + (UnicastMappingInstruction.PriorityMappingInstruction) instruction; + final String jsonSubtype = node.get(MappingInstructionCodec.SUBTYPE).textValue(); + if (!instructionToMatch.subtype().name().equals(jsonSubtype)) { + description.appendText("subtype was " + jsonSubtype); + return false; + } + + final String jsonType = node.get(MappingInstructionCodec.TYPE).textValue(); + if (!instructionToMatch.type().name().equals(jsonType)) { + description.appendText("type was " + jsonType); + return false; + } + + final int jsonPriority = node.get(MappingInstructionCodec.UNICAST_PRIORITY).intValue(); + final int priority = instructionToMatch.priority(); + if (jsonPriority != priority) { + description.appendText("Unicast priority was " + jsonPriority); + return false; + } + + return true; + } + + /** + * Matches the contents of a multicast weight mapping instruction. + * + * @param node JSON instruction to match + * @param description object used for recording errors + * @return true if contents match, false otherwise + */ + private boolean matchMulticastWeightInstruction(JsonNode node, + Description description) { + MulticastMappingInstruction.WeightMappingInstruction instructionToMatch = + (MulticastMappingInstruction.WeightMappingInstruction) instruction; + final String jsonSubtype = node.get(MappingInstructionCodec.SUBTYPE).textValue(); + if (!instructionToMatch.subtype().name().equals(jsonSubtype)) { + description.appendText("subtype was " + jsonSubtype); + return false; + } + + final String jsonType = node.get(MappingInstructionCodec.TYPE).textValue(); + if (!instructionToMatch.type().name().equals(jsonType)) { + description.appendText("type was " + jsonType); + return false; + } + + final int jsonWeight = node.get(MappingInstructionCodec.MULTICAST_WEIGHT).intValue(); + final int weight = instructionToMatch.weight(); + if (jsonWeight != weight) { + description.appendText("Multicast weight was " + jsonWeight); + return false; + } + + return true; + } + + /** + * Matches the contents of a multicast priority mapping instruction. + * + * @param node JSON instruction to match + * @param description object used for recording errors + * @return true if contents match, false otherwise + */ + private boolean matchMulticastPriorityInstruction(JsonNode node, + Description description) { + MulticastMappingInstruction.PriorityMappingInstruction instructionToMatch = + (MulticastMappingInstruction.PriorityMappingInstruction) instruction; + final String jsonSubtype = node.get(MappingInstructionCodec.SUBTYPE).textValue(); + if (!instructionToMatch.subtype().name().equals(jsonSubtype)) { + description.appendText("subtype was " + jsonSubtype); + return false; + } + + final String jsonType = node.get(MappingInstructionCodec.TYPE).textValue(); + if (!instructionToMatch.type().name().equals(jsonType)) { + description.appendText("type was " + jsonType); + return false; + } + + final int jsonPriority = node.get(MappingInstructionCodec.MULTICAST_PRIORITY).intValue(); + final int priority = instructionToMatch.priority(); + if (jsonPriority != priority) { + description.appendText("Multicast priority was " + jsonPriority); + return false; + } + + return true; + } + + @Override + protected boolean matchesSafely(JsonNode jsonNode, Description description) { + + // check type + final JsonNode jsonTypeNode = jsonNode.get(MappingInstructionCodec.TYPE); + final String jsonType = jsonTypeNode.textValue(); + final String type = instruction.type().name(); + if (!jsonType.equals(type)) { + description.appendText("type was " + type); + return false; + } + + if (instruction instanceof UnicastMappingInstruction.WeightMappingInstruction) { + return matchUnicastWeightInstruction(jsonNode, description); + } else if (instruction instanceof UnicastMappingInstruction.PriorityMappingInstruction) { + return matchUnicastPriorityInstruction(jsonNode, description); + } else if (instruction instanceof MulticastMappingInstruction.WeightMappingInstruction) { + return matchMulticastWeightInstruction(jsonNode, description); + } else if (instruction instanceof MulticastMappingInstruction.PriorityMappingInstruction) { + return matchMulticastPriorityInstruction(jsonNode, description); + } + + return false; + } + + @Override + public void describeTo(Description description) { + description.appendText(instruction.toString()); + } + + /** + * Factory to allocate a mapping instruction matcher. + * + * @param instruction instruction object we are looking for + * @return matcher + */ + public static MappingInstructionJsonMatcher matchesInstruction( + MappingInstruction instruction) { + return new MappingInstructionJsonMatcher(instruction); + } +}