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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/windows/classes/sun/nio/ch/FileDispatcherImpl.java
View file

@ -141,14 +141,8 @@ class FileDispatcherImpl extends FileDispatcher {
static boolean isFastFileTransferRequested() {
String fileTransferProp = GetPropertyAction
.privilegedGetProperty("jdk.nio.enableFastFileTransfer");
boolean enable;
if ("".equals(fileTransferProp)) {
enable = true;
} else {
enable = Boolean.parseBoolean(fileTransferProp);
}
return enable;
.privilegedGetProperty("jdk.nio.enableFastFileTransfer", "false");
return fileTransferProp.isEmpty() ? true : Boolean.parseBoolean(fileTransferProp);
}
static {

3
src/java.base/windows/classes/sun/nio/fs/WindowsFileAttributes.java
View file

@ -116,8 +116,7 @@ class WindowsFileAttributes
static {
String propValue = GetPropertyAction.privilegedGetProperty(
"sun.nio.fs.ensureAccurateMetadata", "false");
ensureAccurateMetadata = (propValue.length() == 0) ?
true : Boolean.valueOf(propValue);
ensureAccurateMetadata = propValue.isEmpty() ? true : Boolean.parseBoolean(propValue);
}
// attributes

2
src/java.base/windows/classes/sun/nio/fs/WindowsFileStore.java
View file

@ -52,7 +52,7 @@ class WindowsFileStore
// file store "display name" is the volume name if available
String vol = volInfo.volumeName();
if (vol.length() > 0) {
if (!vol.isEmpty()) {
this.displayName = vol;
} else {
// TBD - should we map all types? Does this need to be localized?

2
src/java.base/windows/classes/sun/nio/fs/WindowsFileSystem.java
View file

@ -218,7 +218,7 @@ class WindowsFileSystem
StringBuilder sb = new StringBuilder();
sb.append(first);
for (String segment: more) {
if (segment.length() > 0) {
if (!segment.isEmpty()) {
if (sb.length() > 0)
sb.append('\\');
sb.append(segment);

2
src/java.base/windows/classes/sun/nio/fs/WindowsLinkSupport.java
View file

@ -329,7 +329,7 @@ class WindowsLinkSupport {
// remove special prefix
String target = stripPrefix(new String(name));
if (target.length() == 0) {
if (target.isEmpty()) {
throw new IOException("Symbolic link target is invalid");
}
return target;

8
src/java.base/windows/classes/sun/nio/fs/WindowsPath.java
View file

@ -243,7 +243,7 @@ class WindowsPath implements Path {
// relative to default directory
String remaining = path.substring(root.length());
String defaultDirectory = getFileSystem().defaultDirectory();
if (remaining.length() == 0) {
if (remaining.isEmpty()) {
return defaultDirectory;
} else if (defaultDirectory.endsWith("\\")) {
return defaultDirectory + remaining;
@ -299,7 +299,7 @@ class WindowsPath implements Path {
// -- Path operations --
private boolean isEmpty() {
return path.length() == 0;
return path.isEmpty();
}
private WindowsPath emptyPath() {
@ -340,7 +340,7 @@ class WindowsPath implements Path {
@Override
public WindowsPath getRoot() {
if (root.length() == 0)
if (root.isEmpty())
return null;
return new WindowsPath(getFileSystem(), type, root, root);
}
@ -556,7 +556,7 @@ class WindowsPath implements Path {
// corner case - all names removed
if (remaining == 0) {
return (root.length() == 0) ? emptyPath() : getRoot();
return root.isEmpty() ? emptyPath() : getRoot();
}
// re-constitute the path from the remaining names.