47 lines
1.1 KiB
Java
47 lines
1.1 KiB
Java
package net.filebot.util;
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import static net.filebot.Logging.*;
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import java.util.function.Function;
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import java.util.logging.Level;
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public class SystemProperty<T> {
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public static <T> SystemProperty<T> of(String key, Function<String, T> valueFunction, T defaultValue) {
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return new SystemProperty<T>(key, valueFunction, defaultValue);
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}
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public static <T> SystemProperty<T> of(String key, Function<String, T> valueFunction) {
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return new SystemProperty<T>(key, valueFunction, null);
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}
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private final String key;
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private final Function<String, T> valueFunction;
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private final T defaultValue;
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public SystemProperty(String key, Function<String, T> valueFunction, T defaultValue) {
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this.key = key;
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this.valueFunction = valueFunction;
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this.defaultValue = defaultValue;
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}
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public T get() {
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String prop = System.getProperty(key);
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if (prop != null && prop.length() > 0) {
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try {
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return valueFunction.apply(prop);
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} catch (Exception e) {
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debug.logp(Level.WARNING, SystemProperty.class.getName(), key, e.toString());
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}
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}
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return defaultValue;
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}
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public void set(T value) {
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System.setProperty(key, value.toString());
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}
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}
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