package com.google.common.base;

/* loaded from: classes.dex */
public abstract class Converter<A, B> implements Function<A, B> {
    private final boolean a;

    protected Converter() {
        this(true);
    }

    public final B a(A a) {
        return b(a);
    }

    @Override // com.google.common.base.Function
    @Deprecated
    public final B apply(A a) {
        return a(a);
    }

    B b(A a) {
        if (!this.a) {
            return c(a);
        }
        if (a == null) {
            return null;
        }
        B c = c(a);
        Preconditions.a(c);
        return c;
    }

    protected abstract B c(A a);

    Converter(boolean z) {
        this.a = z;
    }
}