42 lines
1.0 KiB
Java
42 lines
1.0 KiB
Java
package org.gcube.informationsystem.utils;
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import java.util.HashSet;
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import java.util.Set;
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import java.util.UUID;
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public final class ReservedUUID {
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public static final Set<String> RESERVED_UUID_STRING;
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public static final Set<UUID> RESERVED_UUID;
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static {
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RESERVED_UUID_STRING = new HashSet<>();
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RESERVED_UUID = new HashSet<>();
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String[] uuidValidCharacters = {"1","2","3","4","5","6","7","8","9","a","b","c","d","e","f"};
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for(String string : uuidValidCharacters) {
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String uuidString = "00000000-0000-0000-0000-000000000000";
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uuidString.replaceAll("0", string);
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RESERVED_UUID_STRING.add(uuidString);
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RESERVED_UUID.add(UUID.fromString(uuidString));
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}
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}
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public static boolean isReservedUUID(UUID uuid) {
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return RESERVED_UUID.contains(uuid);
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}
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public static boolean isReservedUUID(String uuid) {
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return RESERVED_UUID_STRING.contains(uuid);
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}
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public static Set<String> allUUIDAsString(){
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return new HashSet<>(RESERVED_UUID_STRING);
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}
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public static Set<UUID> allUUID(){
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return new HashSet<>(RESERVED_UUID);
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}
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}
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