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Replaced asserts with proper runtime exceptions

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This commit is contained in:
Elias Naur 2004-03-27 11:55:07 +00:00
parent afb8491cfa
commit c093f3ace1
11 changed files with 1058 additions and 1013 deletions
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36
src/java/org/lwjgl/input/Keyboard.java
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@ -285,7 +285,8 @@ public class Keyboard {
* @throws Exception if the keyboard could not be created for any reason
*/
public static void create() throws Exception {
assert Window.isCreated() : "Window must be created prior to creating keyboard";
if (!Window.isCreated())
throw new IllegalStateException("Window must be created before you can create Keyboard");
if (!initialized)
initialize();
if (created)
@ -334,7 +335,8 @@ public class Keyboard {
* @see org.lwjgl.input.Keyboard#read()
*/
public static void poll() {
assert created : "The keyboard has not been created.";
if (!created)
throw new IllegalStateException("Keyboard must be created before you can poll the device");
nPoll(keyDownBuffer);
}
@ -361,8 +363,10 @@ public class Keyboard {
* @see org.lwjgl.input.Keyboard#getEventCharacter()
*/
public static void read() {
assert created : "The keyboard has not been created.";
assert readBuffer != null : "Keyboard buffering has not been enabled.";
if (!created)
throw new IllegalStateException("Keyboard must be created before you can read events");
if (readBuffer == null)
throw new IllegalStateException("Event buffering must be enabled before you can read events");
readBuffer.compact();
int numEvents = nRead(readBuffer, readBuffer.position());
if (translationEnabled)
@ -383,8 +387,10 @@ public class Keyboard {
* and keyboard buffering must be enabled.
*/
public static void enableTranslation() throws Exception {
assert created : "The keyboard has not been created.";
assert readBuffer != null : "Keyboard buffering has not been enabled.";
if (!created)
throw new IllegalStateException("Keyboard must be created before you can read events");
if (readBuffer == null)
throw new IllegalStateException("Event buffering must be enabled before you can read events");
nEnableTranslation();
translationEnabled = true;
}
@ -398,7 +404,8 @@ public class Keyboard {
* Enable keyboard buffering. Must be called after the keyboard is created.
*/
public static void enableBuffer() throws Exception {
assert created : "The keyboard has not been created.";
if (!created)
throw new IllegalStateException("Keyboard must be created before you can enable buffering");
readBuffer = BufferUtils.createByteBuffer(4*BUFFER_SIZE);
readBuffer.limit(0);
nEnableBuffer();
@ -417,7 +424,8 @@ public class Keyboard {
* @return true if the key is down according to the last poll()
*/
public static boolean isKeyDown(int key) {
assert created : "The keyboard has not been created.";
if (!created)
throw new IllegalStateException("Keyboard must be created before you can query key state");
return keyDownBuffer.get(key) != 0;
}
@ -442,7 +450,8 @@ public class Keyboard {
* @return STATE_ON if on, STATE_OFF if off and STATE_UNKNOWN if the state is unknown
*/
public static int isStateKeySet(int key) {
assert created : "The keyboard has not been created.";
if (!created)
throw new IllegalStateException("Keyboard must be created before you can query key state");
return nisStateKeySet(key);
}
private static native int nisStateKeySet(int key);
@ -473,7 +482,8 @@ public class Keyboard {
* @return the number of keyboard events
*/
public static int getNumKeyboardEvents() {
assert created : "The keyboard has not been created.";
if (!created)
throw new IllegalStateException("Keyboard must be created before you can read events");
if (translationEnabled)
return readBuffer.remaining()/4;
else
@ -492,8 +502,10 @@ public class Keyboard {
* @return true if a keyboard event was read, false otherwise
*/
public static boolean next() {
assert created : "The keyboard has not been created.";
assert readBuffer != null : "Keyboard buffering has not been enabled.";
if (!created)
throw new IllegalStateException("Keyboard must be created before you can read events");
if (readBuffer == null)
throw new IllegalStateException("Event buffering must be enabled before you can read events");
if (readBuffer.hasRemaining()) {
eventKey = readBuffer.get() & 0xFF;