SignatureVerificationException.java

/*
 * Copyright 2022 The Sigstore Authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package dev.sigstore.tuf;

import java.util.Locale;

/** Thrown when the metadata has not been signed by enough of the allowed keys. */
public class SignatureVerificationException extends TufException {
  private final int requiredSignatures, verifiedSignatures;

  public SignatureVerificationException(int requiredSignatures, int verifiedSignatures) {
    super(
        String.format(
            Locale.ROOT,
            "The role has not been signed by enough keys. [Theshold: %d, Actual: %d]",
            requiredSignatures,
            verifiedSignatures));
    this.requiredSignatures = requiredSignatures;
    this.verifiedSignatures = verifiedSignatures;
  }

  public int getRequiredSignatures() {
    return requiredSignatures;
  }

  public int getVerifiedSignatures() {
    return verifiedSignatures;
  }
}