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library/src/main/java/com/obsez/android/lib/smbfilechooser/internals/Triple.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,68 @@ | ||
| package com.obsez.android.lib.smbfilechooser.internals; | ||
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| import android.util.Pair; | ||
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| public class Triple<F, S, T> extends Pair<F, S> { | ||
| public final T third; | ||
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| /** | ||
| * Constructor for a Pair. | ||
| * | ||
| * @param first the first object in the Pair | ||
| * @param second the second object in the pair | ||
| */ | ||
| public Triple(F first, S second) { | ||
| this(first, second, null); | ||
| } | ||
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| /** | ||
| * Constructor for a Triple. | ||
| * | ||
| * @param first the first object in the Triple | ||
| * @param second the second object in the Triple | ||
| * @param third the third object in the Triple | ||
| */ | ||
| public Triple(F first, S second, T third) { | ||
| super(first, second); | ||
| this.third = third; | ||
| } | ||
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| protected static boolean nullSafeEquals(Object a, Object b) { | ||
| //noinspection EqualsReplaceableByObjectsCall | ||
| return (a == b) || (a != null && a.equals(b)); | ||
| } | ||
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| @Override | ||
| public boolean equals(Object o) { | ||
| return (o instanceof Triple && nullSafeEquals(((Triple) o).first, first) && nullSafeEquals(((Triple) o).second, second) && nullSafeEquals(((Triple) o).third, third)); | ||
| } | ||
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| @Override | ||
| public int hashCode() { | ||
| return super.hashCode() ^ (third == null ? 0 : third.hashCode()); | ||
| } | ||
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| @Override | ||
| public String toString() { | ||
| return "Triple{" + first + ", " + second + ", " + third + "}"; | ||
| } | ||
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| /** | ||
| * @deprecated use {@link #create(Object, Object, Object)} instead | ||
| */ | ||
| @Deprecated | ||
| public static <A, B> Pair <A, B> create(A a, B b) { | ||
| throw new UnsupportedOperationException(); | ||
| } | ||
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| /** | ||
| * Convenience method for creating an appropriately typed Triple. | ||
| * @param a the first object in the Triple | ||
| * @param b the second object in the Triple | ||
| * @param c the third object in the Triple | ||
| * @return a Triple that is templatized with the types of a, b and c | ||
| */ | ||
| public static <A, B, C> Triple <A, B, C> create(A a, B b, C c) { | ||
| return new Triple<>(a, b, c); | ||
| } | ||
| } |
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