/**
* @param groupName allow groupName is null
* @param charsetName
* @param cmd
* @param errorNo
* @return
* @throws FdfsException
*/
public static byte[] createRequest(String groupName, String charsetName, byte cmd, byte errorNo)
throws FdfsException {
byte[] groupNameByteArr = null;
int headerLength = 10;
int bodyLength = 0;
if (Strings.isNotBlank(groupName)) { //
bodyLength = FDFS_GROUP_NAME_MAX_LEN;
groupNameByteArr = Strings.getBytes(groupName, charsetName);
}
int totalLength = headerLength + bodyLength;
WriteByteArrayFragment request = new WriteByteArrayFragment(totalLength);
// writeHeader
{
request.writeLong(bodyLength);
request.writeByte(cmd);
request.writeByte(errorNo);
}
// writeBody
{
if (Strings.isNotBlank(groupName)) { //
request.writeLimitedBytes(groupNameByteArr, FDFS_GROUP_NAME_MAX_LEN);
}
}
return request.getData();
}
/**
* Assert that the given text does not contain the given substring.
*
* <pre class="code">
* Assert.notContains(name, "rod", "Name must not contain 'rod'");
* </pre>
*
* @param textToSearch the text to search
* @param substring the substring to find within the text
* @param message the exception message to use if the assertion fails
*/
public static void notContains(String textToSearch, String substring, String message) {
if (Strings.isNotBlank(textToSearch)
&& Strings.isNotBlank(substring)
&& textToSearch.indexOf(substring) != -1) {
throw new IllegalArgumentException(message);
}
}
