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package liquibase.change; |
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|
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import liquibase.util.MD5Util; |
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|
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import java.io.InputStream; |
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|
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public class CheckSum { |
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private int version; |
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private String checksum; |
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|
| 11 | 345 | private CheckSum(String checksum, int version) { |
| 12 | 345 | this.checksum = checksum; |
| 13 | 345 | this.version = version; |
| 14 | 345 | } |
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|
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public static CheckSum parse(String checksumValue) { |
| 17 | 18 | if (checksumValue == null) { |
| 18 | 0 | return null; |
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} |
| 20 | 18 | if (checksumValue.matches("^\\d:.*")) { |
| 21 | 4 | return new CheckSum(checksumValue.substring(2), Integer.valueOf(checksumValue.substring(0, 1))); |
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} else { |
| 23 | 14 | return new CheckSum(checksumValue, 1); |
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} |
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} |
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|
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public static int getCurrentVersion() { |
| 28 | 387 | return 3; |
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} |
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|
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public static CheckSum compute(String valueToChecksum) { |
| 32 | 320 | return new CheckSum(MD5Util.computeMD5(valueToChecksum), getCurrentVersion()); |
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} |
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|
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public static CheckSum compute(InputStream stream) { |
| 36 | 7 | return new CheckSum(MD5Util.computeMD5(stream), getCurrentVersion()); |
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} |
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|
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@Override |
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public String toString() { |
| 41 | 598 | return version + ":" + this.checksum; |
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} |
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|
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public int getVersion() { |
| 45 | 33 | return version; |
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} |
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|
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@Override |
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public int hashCode() { |
| 50 | 1 | return toString().hashCode(); |
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} |
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|
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@Override |
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public boolean equals(Object obj) { |
| 55 | 6 | return obj instanceof CheckSum && this.toString().equals(obj.toString()); |
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} |
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} |