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8215281: Use String.isEmpty() when applicable in java.base

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Reviewed-by: dfuchs, alanb
This commit is contained in:
Claes Redestad 2018-12-13 15:31:05 +01:00
parent c998ead188
commit a3df1d618e
155 changed files with 340 additions and 382 deletions
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10
src/java.base/share/classes/java/security/Security.java
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@ -649,7 +649,7 @@ public final class Security {
}
}
if ((candidates == null) || (candidates.isEmpty()))
if (candidates == null || candidates.isEmpty())
return null;
Object[] candidatesArray = candidates.toArray();
@ -1005,11 +1005,11 @@ public final class Security {
String algName = null;
String attrName = null;
if (filterValue.length() == 0) {
if (filterValue.isEmpty()) {
// The filterValue is an empty string. So the filterKey
// should be in the format of <crypto_service>.<algorithm_or_type>.
algName = filterKey.substring(algIndex + 1).trim();
if (algName.length() == 0) {
if (algName.isEmpty()) {
// There must be a algorithm or type name.
throw new InvalidParameterException("Invalid filter");
}
@ -1024,7 +1024,7 @@ public final class Security {
throw new InvalidParameterException("Invalid filter");
} else {
attrName = filterKey.substring(attrIndex + 1).trim();
if (attrName.length() == 0) {
if (attrName.isEmpty()) {
// There is no attribute name in the filter.
throw new InvalidParameterException("Invalid filter");
}
@ -1070,7 +1070,7 @@ public final class Security {
**/
public static Set<String> getAlgorithms(String serviceName) {
if ((serviceName == null) || (serviceName.length() == 0) ||
if ((serviceName == null) || (serviceName.isEmpty()) ||
(serviceName.endsWith("."))) {
return Collections.emptySet();
}