From: felix <felix@a944a559-bf0e-0410-8ddc-85264b264b6c>
Date: Tue, 15 May 2007 18:25:47 +0000 (+0000)
Subject: Command Objekt zum Transformieren von String und ähnlichem in byte[]
X-Git-Url: https://git.internetallee.de/?a=commitdiff_plain;h=215bb4f260e332e183d6b0e7e79bf504ddf5d3d4;p=bytewurf.git

Command Objekt zum Transformieren von String und ähnlichem in byte[]

git-svn-id: https://www.internetallee.de/svn/bytewurf@22 a944a559-bf0e-0410-8ddc-85264b264b6c
---

diff --git a/projekte/netzschalter/src/de/bytewurf/projekte/netzschalter/Command.java b/projekte/netzschalter/src/de/bytewurf/projekte/netzschalter/Command.java
new file mode 100644
index 0000000..859169b
--- /dev/null
+++ b/projekte/netzschalter/src/de/bytewurf/projekte/netzschalter/Command.java
@@ -0,0 +1,33 @@
+/*
+ * Created on 15.05.2007
+ *
+ * To change this generated comment go to 
+ * Window>Preferences>Java>Code Generation>Code Template
+ */
+package de.bytewurf.projekte.netzschalter;
+
+/**
+ * @author felix
+ */
+public class Command {
+	byte[] commandBytes;
+	
+	Command(String commandString) {
+		String[] commands = commandString.split("[\t\n ,]+", 100);
+		commandBytes = new byte[commands.length];
+		try {
+			for (int i = 0; i < commands.length; i++) {
+				commandBytes[i] = Integer.decode(commands[i]).byteValue(); 
+			}
+		} catch (NumberFormatException e) {
+			commandBytes = null;
+			throw new RuntimeException("Ungültige Zahlen eingegeben" + e.toString());
+		}
+	}
+	
+	public byte[] getCommandBytes() {
+		if (commandBytes == null)
+			throw new RuntimeException("No Command configured yet.");
+		return commandBytes;
+	}
+}
diff --git a/projekte/netzschalter/test/de/bytewurf/projekte/netzschalter/CommandTest.java b/projekte/netzschalter/test/de/bytewurf/projekte/netzschalter/CommandTest.java
new file mode 100644
index 0000000..8dcc005
--- /dev/null
+++ b/projekte/netzschalter/test/de/bytewurf/projekte/netzschalter/CommandTest.java
@@ -0,0 +1,52 @@
+/*
+ * Created on 15.05.2007
+ *
+ * To change this generated comment go to 
+ * Window>Preferences>Java>Code Generation>Code Template
+ */
+package de.bytewurf.projekte.netzschalter;
+
+import junit.framework.TestCase;
+
+/**
+ * @author felix
+ */
+public class CommandTest extends TestCase {
+
+	public void testCommand() {
+		assertTrue(checkCommandWithException("Test"));
+		assertTrue(checkCommandWithException("Test"));
+		assertFalse(checkCommandWithException("123"));
+		assertTrue(checkCommandWithException("a b 1 3"));
+		assertFalse(checkCommandWithException("0xa,0x12"));
+		assertFalse(checkCommandWithException("0xa,  0x12"));
+		assertFalse(checkCommandWithException("0xaaa,  0x12"));
+	}
+	
+	private boolean checkCommandWithException(String commandText) {
+		boolean exceptionOccured = false;
+		try {
+			new Command(commandText);
+		} catch (Exception e) {
+			exceptionOccured = true;
+		}
+		return exceptionOccured;
+	}
+	
+	public void testGetCommandBytes() {
+		Command command;
+		command = new Command("0xab,0x12");
+		byte[] commandBytes = command.getCommandBytes();
+		assertEquals(2, commandBytes.length);
+		assertEquals(Integer.decode("0xab").byteValue(), commandBytes[0]);
+		assertEquals(Integer.decode("0x12").byteValue(), commandBytes[1]);
+		
+		command = new Command("10,20 30");
+		commandBytes = command.getCommandBytes();
+		assertEquals(3, commandBytes.length);
+		assertEquals(10, commandBytes[0]);
+		assertEquals(20, commandBytes[1]);
+		assertEquals(30, commandBytes[2]);
+	}
+
+}