42 lines
1.3 KiB
Java
42 lines
1.3 KiB
Java
package org.schabi.newpipe.extractor.utils;
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import org.mozilla.javascript.Context;
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import org.mozilla.javascript.Function;
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import org.mozilla.javascript.ScriptableObject;
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public final class JavaScript {
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private JavaScript() {
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}
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public static void compileOrThrow(final String function) {
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try {
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final Context context = Context.enter();
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context.setOptimizationLevel(-1);
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// If it doesn't compile it throws an exception here
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context.compileString(function, null, 1, null);
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} finally {
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Context.exit();
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}
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}
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public static String run(final String function,
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final String functionName,
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final String... parameters) {
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try {
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final Context context = Context.enter();
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context.setOptimizationLevel(-1);
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final ScriptableObject scope = context.initSafeStandardObjects();
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context.evaluateString(scope, function, functionName, 1, null);
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final Function jsFunction = (Function) scope.get(functionName, scope);
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final Object result = jsFunction.call(context, scope, scope, parameters);
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return result.toString();
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} finally {
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Context.exit();
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}
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}
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}
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