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Removed duplicate code. Added ability to bypass compiler checks for checked exceptions, but still throw the exception (done via type erasure)

This commit is contained in:
nathan 2020-07-07 18:09:06 +02:00
parent 9ad9048a15
commit b2e802ed86
1 changed files with 8 additions and 52 deletions
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60
src/dorkbox/util/Sys.java
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@ -15,7 +15,6 @@
*/
package dorkbox.util;
import java.awt.Color;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
@ -637,61 +636,18 @@ class Sys {
System.err.println(builder.toString());
}
// Easier access for system properties, if necessary
public static
String getSystemString(final String property, final String defaultValue) {
String property1 = System.getProperty(property);
if (property1 == null) {
return defaultValue;
}
return property1;
/**
* Raises an exception, but bypasses the compiler checks for the checked exception. This uses type erasure to work
*/
public static void throwException(Throwable t) {
Sys.<RuntimeException>throwException0(t);
}
public static
int getSystemInt(final String property, final int defaultValue) {
String property1 = System.getProperty(property);
if (property1 == null) {
return defaultValue;
}
return Integer.parseInt(property1);
@SuppressWarnings("unchecked")
private static <E extends Throwable> void throwException0(Throwable t) throws E {
throw (E) t;
}
public static
long getSystemLong(final String property, final long defaultValue) {
String property1 = System.getProperty(property);
if (property1 == null) {
return defaultValue;
}
return Long.parseLong(property1);
}
public static
boolean getSystemBoolean(final String property, final boolean defaultValue) {
String property1 = System.getProperty(property);
if (property1 == null) {
return defaultValue;
}
return Boolean.parseBoolean(property1);
}
public static
Color getSystemColor(final String property, final Color defaultValue) {
String property1 = System.getProperty(property);
if (property1 == null) {
return defaultValue;
}
return Color.decode(property1);
}
// Parsing font from a string is inside SwingUtil
private
Sys() {
}