org.liquigraph.model.Checksums.java Source code

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Here is the source code for org.liquigraph.model.Checksums.java

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/**
 * Copyright 2014-2016 the original author or 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 org.liquigraph.model;

import com.google.common.base.Charsets;
import com.google.common.hash.Hasher;
import com.google.common.hash.Hashing;

import java.util.Collection;

public class Checksums {

    public static String checksum(Collection<String> queries) {
        Hasher hasher = Hashing.sha1().newHasher();
        for (String query : queries) {
            hasher = hasher.putString(query, Charsets.UTF_8);
        }
        return hasher.hash().toString();
    }
}