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package org.traccar.reports.common;
import org.apache.commons.jexl3.JexlBuilder;
import org.apache.commons.jexl3.introspection.JexlPermissions;
import org.jxls.expression.ExpressionEvaluator;
import org.jxls.expression.JexlExpressionEvaluator;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
public class ExpressionEvaluatorFactory implements org.jxls.expression.ExpressionEvaluatorFactory {
private final JexlPermissions permissions = new JexlPermissions() {
@Override
public boolean allow(Package pack) {
return true;
}
@Override
public boolean allow(Class<?> clazz) {
return true;
}
@Override
public boolean allow(Constructor<?> ctor) {
return true;
}
@Override
public boolean allow(Method method) {
return true;
}
@Override
public boolean allow(Field field) {
return true;
}
@Override
public JexlPermissions compose(String... src) {
return this;
}
};
@Override
public ExpressionEvaluator createExpressionEvaluator(String expression) {
JexlExpressionEvaluator expressionEvaluator = expression == null
? new JexlExpressionEvaluator()
: new JexlExpressionEvaluator(expression);
expressionEvaluator.setJexlEngine(new JexlBuilder()
.silent(true)
.strict(false)
.permissions(permissions)
.create());
return expressionEvaluator;
}
}
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