Properly escape spaces in tags. Closes influxdata#38

Author: majst01

src/main/java/org/influxdb/dto/Point.java

@@ -202,7 +202,8 @@ public String lineProtocol() {
 		sb.append(this.measurement);
 		for (Entry<String, String> tag : this.tags.entrySet()) {
 			sb.append(",");
-			sb.append(tag.getKey()).append("=").append(tag.getValue());
+			String value = tag.getValue().replace(" ", "\\ ");
+			sb.append(tag.getKey()).append("=").append(value);
 		}
 		sb.append(" ");
 		int fieldCount = this.fields.size();
@@ -222,5 +223,4 @@ public String lineProtocol() {
 		}
 		return sb.toString();
 	}
-
 }

src/test/java/org/influxdb/InfluxDBTest.java

@@ -93,7 +93,7 @@ public void setUp() throws InterruptedException, IOException {
 		// String logs = CharStreams.toString(new InputStreamReader(containerLogsStream,
 		// Charsets.UTF_8));
 		System.out.println("##################################################################################");
-		// System.out.println("CContainer Logs: \n" + logs);
+		// System.out.println("Container Logs: \n" + logs);
 		System.out.println("#  Connected to InfluxDB Version: " + this.influxDB.version() + " #");
 		System.out.println("##################################################################################");
 	}
@@ -181,4 +181,22 @@ public void testWrite() {
 		this.influxDB.query(query);
 		this.influxDB.deleteDatabase(dbName);
 	}
+
+	@Test(enabled = true)
+	public void testTicket38() {
+		String dbName = "ticket38_" + System.currentTimeMillis();
+		this.influxDB.setLogLevel(LogLevel.FULL);
+		this.influxDB.createDatabase(dbName);
+		Point point1 = Point
+				.measurement("metric")
+				.time(System.currentTimeMillis(), TimeUnit.MILLISECONDS)
+				.field("value", 5)
+				.tag("host", "host A")
+				.tag("host", "host-B")
+				.tag("host", "host-\"C")
+				.tag("region", "region")
+				.build();
+		this.influxDB.write(dbName, "default", point1);
+		this.influxDB.deleteDatabase(dbName);
+	}
 }