Implemented FileState serialization/deserialization.

src/test/java/info/fetter/logstashforwarder/RegistrarTest.java

@@ -0,0 +1,81 @@
+package info.fetter.logstashforwarder;
+
+/*
+ * Copyright 2015 Didier Fetter
+ *
+ * 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.
+ *
+ */
+
+import static org.apache.log4j.Level.DEBUG;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.log4j.BasicConfigurator;
+import org.apache.log4j.Logger;
+import org.apache.log4j.spi.RootLogger;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import com.fasterxml.jackson.core.JsonGenerationException;
+import com.fasterxml.jackson.core.JsonParseException;
+import com.fasterxml.jackson.databind.JsonMappingException;
+
+public class RegistrarTest {
+	Logger logger = Logger.getLogger(RegistrarTest.class);
+
+	@BeforeClass
+	public static void setUpBeforeClass() throws Exception {
+		BasicConfigurator.configure();
+		RootLogger.getRootLogger().setLevel(DEBUG);
+	}
+
+	@AfterClass
+	public static void tearDownAfterClass() throws Exception {
+		BasicConfigurator.resetConfiguration();
+	}
+	
+	@Test
+	public void testReadState1() throws JsonParseException, JsonMappingException, IOException {
+		FileState[] states = Registrar.readStateFromJson(new File(RegistrarTest.class.getClassLoader().getResource("state1.json").getFile()));
+		for(FileState state : states) {
+			logger.debug("Loaded state : " + state);
+		}
+	}
+	
+	@Test
+	public void testWriteState2() throws JsonGenerationException, JsonMappingException, IOException {
+		FileState state1 = new FileState();
+		state1.setDirectory("/directory1");
+		state1.setFileName("file1");
+		state1.setPointer(1234);
+		state1.setSignature(123456);
+		state1.setSignatureLength(135);
+		FileState state2 = new FileState();
+		state2.setDirectory("/directory2");
+		state2.setFileName("file2");
+		state2.setPointer(4321);
+		state2.setSignature(654321);
+		state2.setSignatureLength(531);
+		List<FileState> stateList = new ArrayList<FileState>(2);
+		stateList.add(state1);
+		stateList.add(state2);
+		File file = new File("state2.json");
+		logger.debug("Writing to file : " + file.getCanonicalPath());
+		Registrar.writeStateToJson(file, stateList);
+	}
+}