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HBASE-9708 Improve Snapshot Name Error Message (Esteban Gutierrez) 

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1573947 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
mbertozzi 2014-03-04 09:06:02 +00:00
parent f9dab7dddd
commit 5ece5d8271
2 changed files with 26 additions and 12 deletions
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2
hbase-client/src/main/java/org/apache/hadoop/hbase/snapshot/ClientSnapshotDescriptionUtils.java
View File

@ -39,7 +39,7 @@ public class ClientSnapshotDescriptionUtils {
public static void assertSnapshotRequestIsValid(HBaseProtos.SnapshotDescription snapshot)
throws IllegalArgumentException {
// make sure the snapshot name is valid
TableName.isLegalTableQualifierName(Bytes.toBytes(snapshot.getName()));
TableName.isLegalTableQualifierName(Bytes.toBytes(snapshot.getName()), true);
if(snapshot.hasTable()) {
// make sure the table name is valid, this will implicitly check validity
TableName tableName = TableName.valueOf(snapshot.getTable());

24
hbase-common/src/main/java/org/apache/hadoop/hbase/TableName.java
View File

@ -146,10 +146,16 @@ public final class TableName implements Comparable<TableName> {
}
public static byte [] isLegalTableQualifierName(final byte[] qualifierName) {
isLegalTableQualifierName(qualifierName, 0, qualifierName.length);
isLegalTableQualifierName(qualifierName, 0, qualifierName.length, false);
return qualifierName;
}
public static byte [] isLegalTableQualifierName(final byte[] qualifierName, boolean isSnapshot) {
isLegalTableQualifierName(qualifierName, 0, qualifierName.length, isSnapshot);
return qualifierName;
}
/**
* Qualifier names can only contain 'word' characters
* <code>[a-zA-Z_0-9]</code> or '_', '.' or '-'.
@ -162,14 +168,22 @@ public final class TableName implements Comparable<TableName> {
public static void isLegalTableQualifierName(final byte[] qualifierName,
int start,
int end) {
isLegalTableQualifierName(qualifierName, start, end, false);
}
public static void isLegalTableQualifierName(final byte[] qualifierName,
int start,
int end,
boolean isSnapshot) {
if(end - start < 1) {
throw new IllegalArgumentException("Table qualifier must not be empty");
throw new IllegalArgumentException(isSnapshot ? "Snapshot" : "Table" + " qualifier must not be empty");
}
if (qualifierName[start] == '.' || qualifierName[start] == '-') {
throw new IllegalArgumentException("Illegal first character <" + qualifierName[0] +
"> at 0. Namespaces can only start with alphanumeric " +
"characters': i.e. [a-zA-Z_0-9]: " + Bytes.toString(qualifierName));
"characters': i.e. [a-zA-Z_0-9]: " +
Bytes.toString(qualifierName));
}
for (int i = start; i < end; i++) {
if (Character.isLetterOrDigit(qualifierName[i]) ||
@ -180,12 +194,12 @@ public final class TableName implements Comparable<TableName> {
}
throw new IllegalArgumentException("Illegal character code:" + qualifierName[i] +
", <" + (char) qualifierName[i] + "> at " + i +
". User-space table qualifiers can only contain " +
". " + (isSnapshot ? "snapshot" : "User-space table") +
" qualifiers can only contain " +
"'alphanumeric characters': i.e. [a-zA-Z_0-9-.]: " +
Bytes.toString(qualifierName, start, end));
}
}
public static void isLegalNamespaceName(byte[] namespaceName) {
isLegalNamespaceName(namespaceName, 0, namespaceName.length);
}