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package org.bukkit.inventory;
import com.google.common.base.Preconditions;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import java.util.function.Predicate;
import org.bukkit.Material;
/**
* Represents a potential item match within a recipe. All choices within a
* recipe must be satisfied for it to be craftable.
*
* <b>This class is not legal for implementation by plugins!</b>
*/
public interface RecipeChoice extends Predicate<ItemStack>, Cloneable {
/**
* Gets a single item stack representative of this stack choice.
*
* @return a single representative item
* @deprecated for compatability only
*/
@Deprecated
ItemStack getItemStack();
RecipeChoice clone();
/**
* Represents a choice of multiple matching Materials.
*/
public static class MaterialChoice implements RecipeChoice {
private List<Material> choices;
public MaterialChoice(List<Material> choices) {
Preconditions.checkArgument(choices != null, "choices");
Preconditions.checkArgument(!choices.isEmpty(), "Must have at least one choice");
this.choices = choices;
}
@Override
public boolean test(ItemStack t) {
for (Material match : choices) {
if (t.getType() == match) {
return true;
}
}
return false;
}
@Override
public ItemStack getItemStack() {
ItemStack stack = new ItemStack(choices.get(0));
// For compat
if (choices.size() > 1) {
stack.setDurability(Short.MAX_VALUE);
}
return stack;
}
public List<Material> getChoices() {
return Collections.unmodifiableList(choices);
}
@Override
public MaterialChoice clone() {
try {
MaterialChoice clone = (MaterialChoice) super.clone();
clone.choices = new ArrayList<>(choices);
return clone;
} catch (CloneNotSupportedException ex) {
throw new AssertionError(ex);
}
}
@Override
public int hashCode() {
int hash = 3;
hash = 37 * hash + Objects.hashCode(this.choices);
return hash;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
final MaterialChoice other = (MaterialChoice) obj;
if (!Objects.equals(this.choices, other.choices)) {
return false;
}
return true;
}
@Override
public String toString() {
return "MaterialChoice{" + "choices=" + choices + '}';
}
}
}
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