/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.cxf.aegis.services.base64;
import java.util.zip.CRC32;
public class BinaryDataService {
public String verifyDataIntegrity(byte[] data, int length, long crc32) {
return getStatusForData(data, length, crc32);
}
/**
* @param data
* @param length
* @param crc32
* @return
*/
private String getStatusForData(byte[] data, int length, long crc32) {
String status;
if (data.length != length) {
status = "data.length == " + data.length + ", should be " + length;
} else {
CRC32 computedCrc32 = new CRC32();
computedCrc32.update(data);
if (computedCrc32.getValue() != crc32) {
status = "Computed crc32 == " + computedCrc32.getValue() + ", should be " + crc32;
} else {
status = "OK";
}
}
return status;
}
}