OmemoFingerprint.java
- /**
- *
- * Copyright 2017 Paul Schaub
- *
- * 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 org.jivesoftware.smackx.omemo.trust;
- public class OmemoFingerprint implements CharSequence {
- private final String fingerprintString;
- public OmemoFingerprint(String fingerprintString) {
- this.fingerprintString = fingerprintString;
- }
- @Override
- public int length() {
- return fingerprintString.length();
- }
- @Override
- public char charAt(int index) {
- return fingerprintString.charAt(index);
- }
- @Override
- public CharSequence subSequence(int start, int end) {
- return fingerprintString.subSequence(start, end);
- }
- @Override
- public String toString() {
- return fingerprintString;
- }
- @Override
- public boolean equals(Object other) {
- if (!(other instanceof OmemoFingerprint)) {
- return false;
- }
- OmemoFingerprint otherFingerprint = (OmemoFingerprint) other;
- return this.toString().trim().equals(otherFingerprint.toString().trim());
- }
- /**
- * Split the fingerprint in blocks of 8 characters with spaces between.
- *
- * @return Block representation of the fingerprint.
- */
- public String blocksOf8Chars() {
- StringBuilder pretty = new StringBuilder();
- for (int i = 0; i < 8; i++) {
- if (i != 0) pretty.append(' ');
- pretty.append(this.fingerprintString.substring(8 * i, 8 * (i + 1)));
- }
- return pretty.toString();
- }
- @Override
- public int hashCode() {
- return toString().hashCode();
- }
- }