This is an automated email from the ASF dual-hosted git repository.
mgrigorov pushed a commit to branch 9.0.x
in repository https://gitbox.apache.org/repos/asf/tomcat.git
The following commit(s) were added to refs/heads/9.0.x by this push:
new a666c70 Replace "".equals(a) with a.isEmpty()
a666c70 is described below
commit a666c70dfffda09d50ff93106ebb29bfe7107fed
Author: Martin Tzvetanov Grigorov <mgrigo...@apache.org>
AuthorDate: Thu Sep 10 12:52:11 2020 +0300
Replace "".equals(a) with a.isEmpty()
https://medium.com/javarevisited/micro-optimizations-in-java-string-equals-22be19fd8416
Proposal for JDK: https://github.com/openjdk/jdk/pull/29
(cherry picked from commit f550254bb15e1b0cc50225aee1c3fb1ed034f552)
---
.../apache/catalina/ant/jmx/JMXAccessorCondition.java | 2 +-
.../apache/catalina/ant/jmx/JMXAccessorCreateTask.java | 2 +-
java/org/apache/catalina/ant/jmx/JMXAccessorTask.java | 2 +-
java/org/apache/catalina/core/ApplicationContext.java | 2 +-
java/org/apache/catalina/core/StandardContext.java | 2 +-
java/org/apache/catalina/core/StandardEngine.java | 2 +-
java/org/apache/catalina/filters/WebdavFixFilter.java | 2 +-
java/org/apache/catalina/ha/backend/TcpSender.java | 2 +-
.../catalina/ha/session/JvmRouteBinderValve.java | 2 +-
.../apache/catalina/manager/HTMLManagerServlet.java | 9 +++++----
java/org/apache/catalina/manager/ManagerServlet.java | 2 +-
.../catalina/manager/host/HostManagerServlet.java | 2 +-
java/org/apache/catalina/realm/RealmBase.java | 2 +-
java/org/apache/catalina/servlets/CGIServlet.java | 8 ++++----
java/org/apache/catalina/session/JDBCStore.java | 2 +-
.../org/apache/catalina/storeconfig/StoreRegistry.java | 2 +-
java/org/apache/catalina/util/ContextName.java | 18 +++++++++---------
java/org/apache/el/MethodExpressionImpl.java | 2 +-
java/org/apache/el/MethodExpressionLiteral.java | 2 +-
java/org/apache/el/ValueExpressionImpl.java | 2 +-
java/org/apache/el/ValueExpressionLiteral.java | 2 +-
java/org/apache/el/lang/ELSupport.java | 7 ++++---
java/org/apache/el/lang/FunctionMapperImpl.java | 2 +-
java/org/apache/el/util/ReflectionUtil.java | 2 +-
java/org/apache/jasper/JspC.java | 2 +-
java/org/apache/jasper/compiler/Generator.java | 2 +-
java/org/apache/jasper/compiler/Validator.java | 2 +-
.../apache/tomcat/util/digester/SetPropertiesRule.java | 2 +-
java/org/apache/tomcat/util/net/SSLUtilBase.java | 2 +-
.../apache/tomcat/websocket/WsWebSocketContainer.java | 3 ++-
30 files changed, 49 insertions(+), 46 deletions(-)
diff --git a/java/org/apache/catalina/ant/jmx/JMXAccessorCondition.java
b/java/org/apache/catalina/ant/jmx/JMXAccessorCondition.java
index b009684..4ac07c3 100644
--- a/java/org/apache/catalina/ant/jmx/JMXAccessorCondition.java
+++ b/java/org/apache/catalina/ant/jmx/JMXAccessorCondition.java
@@ -149,7 +149,7 @@ public class JMXAccessorCondition extends
JMXAccessorConditionBase {
* @return true if there is no if condition, or the named property exists
*/
protected boolean testIfCondition() {
- if (ifCondition == null || "".equals(ifCondition)) {
+ if (ifCondition == null || ifCondition.isEmpty()) {
return true;
}
return getProject().getProperty(ifCondition) != null;
diff --git a/java/org/apache/catalina/ant/jmx/JMXAccessorCreateTask.java
b/java/org/apache/catalina/ant/jmx/JMXAccessorCreateTask.java
index 28aab6c..558a258 100644
--- a/java/org/apache/catalina/ant/jmx/JMXAccessorCreateTask.java
+++ b/java/org/apache/catalina/ant/jmx/JMXAccessorCreateTask.java
@@ -154,7 +154,7 @@ public class JMXAccessorCreateTask extends JMXAccessorTask {
}
}
}
- if (classLoader != null && !"".equals(classLoader)) {
+ if (classLoader != null && !classLoader.isEmpty()) {
if (isEcho()) {
handleOutput("create MBean " + name + " from class "
+ className + " with classLoader " + classLoader);
diff --git a/java/org/apache/catalina/ant/jmx/JMXAccessorTask.java
b/java/org/apache/catalina/ant/jmx/JMXAccessorTask.java
index 8d5d268..d79e471 100644
--- a/java/org/apache/catalina/ant/jmx/JMXAccessorTask.java
+++ b/java/org/apache/catalina/ant/jmx/JMXAccessorTask.java
@@ -254,7 +254,7 @@ public class JMXAccessorTask extends
BaseRedirectorHelperTask {
* @return Returns the useRef.
*/
public boolean isUseRef() {
- return ref != null && !"".equals(ref);
+ return ref != null && !ref.isEmpty();
}
/**
diff --git a/java/org/apache/catalina/core/ApplicationContext.java
b/java/org/apache/catalina/core/ApplicationContext.java
index 7e6eed6..2bc9a48 100644
--- a/java/org/apache/catalina/core/ApplicationContext.java
+++ b/java/org/apache/catalina/core/ApplicationContext.java
@@ -1211,7 +1211,7 @@ public class ApplicationContext implements ServletContext
{
}
for (String role : roleNames) {
- if (role == null || "".equals(role)) {
+ if (role == null || role.isEmpty()) {
throw new IllegalArgumentException(
sm.getString("applicationContext.role.iae",
getContextPath()));
diff --git a/java/org/apache/catalina/core/StandardContext.java
b/java/org/apache/catalina/core/StandardContext.java
index 2c338d0..12641d7 100644
--- a/java/org/apache/catalina/core/StandardContext.java
+++ b/java/org/apache/catalina/core/StandardContext.java
@@ -2093,7 +2093,7 @@ public class StandardContext extends ContainerBase
if (path == null || path.equals("/")) {
invalid = true;
this.path = "";
- } else if ("".equals(path) || path.startsWith("/")) {
+ } else if (path.isEmpty() || path.startsWith("/")) {
this.path = path;
} else {
invalid = true;
diff --git a/java/org/apache/catalina/core/StandardEngine.java
b/java/org/apache/catalina/core/StandardEngine.java
index 9385369..f60c2e8 100644
--- a/java/org/apache/catalina/core/StandardEngine.java
+++ b/java/org/apache/catalina/core/StandardEngine.java
@@ -485,7 +485,7 @@ public class StandardEngine extends ContainerBase
implements Engine {
if (disabled) return;
if (Container.ADD_CHILD_EVENT.equals(event.getType())) {
Context context = (Context) event.getData();
- if ("".equals(context.getPath())) {
+ if (context.getPath().isEmpty()) {
// Force re-calculation and disable listener since it won't
// be re-used
engine.defaultAccessLog.set(null);
diff --git a/java/org/apache/catalina/filters/WebdavFixFilter.java
b/java/org/apache/catalina/filters/WebdavFixFilter.java
index e625f2e..3909f61 100644
--- a/java/org/apache/catalina/filters/WebdavFixFilter.java
+++ b/java/org/apache/catalina/filters/WebdavFixFilter.java
@@ -100,7 +100,7 @@ public class WebdavFixFilter extends GenericFilter {
httpResponse.sendRedirect(buildRedirect(httpRequest));
} else if (ua.startsWith(UA_MINIDIR_5_2_3790)) {
// XP 64-bit SP2
- if (!"".equals(httpRequest.getContextPath())) {
+ if (!httpRequest.getContextPath().isEmpty()) {
getServletContext().log(sm.getString("webDavFilter.xpRootContext"));
}
// Namespace issue maybe
diff --git a/java/org/apache/catalina/ha/backend/TcpSender.java
b/java/org/apache/catalina/ha/backend/TcpSender.java
index 760e1a0..5676c88 100644
--- a/java/org/apache/catalina/ha/backend/TcpSender.java
+++ b/java/org/apache/catalina/ha/backend/TcpSender.java
@@ -151,7 +151,7 @@ public class TcpSender
// read all the headers.
String header = connectionReaders[i].readLine();
int contentLength = 0;
- while (!"".equals(header)) {
+ while (!header.isEmpty()) {
int colon = header.indexOf(':');
String headerName = header.substring(0, colon).trim();
String headerValue = header.substring(colon + 1).trim();
diff --git a/java/org/apache/catalina/ha/session/JvmRouteBinderValve.java
b/java/org/apache/catalina/ha/session/JvmRouteBinderValve.java
index 7105654..f114a91 100644
--- a/java/org/apache/catalina/ha/session/JvmRouteBinderValve.java
+++ b/java/org/apache/catalina/ha/session/JvmRouteBinderValve.java
@@ -348,7 +348,7 @@ public class JvmRouteBinderValve extends ValveBase
implements ClusterValve {
// set original sessionid at request, to allow application detect the
// change
- if (sessionIdAttribute != null && !"".equals(sessionIdAttribute)) {
+ if (sessionIdAttribute != null && !sessionIdAttribute.isEmpty()) {
if (log.isDebugEnabled()) {
log.debug(sm.getString("jvmRoute.set.orignalsessionid",sessionIdAttribute,sessionId));
}
diff --git a/java/org/apache/catalina/manager/HTMLManagerServlet.java
b/java/org/apache/catalina/manager/HTMLManagerServlet.java
index 9854800..9447c29 100644
--- a/java/org/apache/catalina/manager/HTMLManagerServlet.java
+++ b/java/org/apache/catalina/manager/HTMLManagerServlet.java
@@ -443,10 +443,11 @@ public final class HTMLManagerServlet extends
ManagerServlet {
StringBuilder tmp = new StringBuilder();
tmp.append("path=");
tmp.append(URLEncoder.DEFAULT.encode(displayPath,
StandardCharsets.UTF_8));
- if (ctxt.getWebappVersion().length() > 0) {
+ final String webappVersion = ctxt.getWebappVersion();
+ if (webappVersion != null && webappVersion.length() > 0) {
tmp.append("&version=");
tmp.append(URLEncoder.DEFAULT.encode(
- ctxt.getWebappVersion(), StandardCharsets.UTF_8));
+ webappVersion, StandardCharsets.UTF_8));
}
String pathVersion = tmp.toString();
@@ -463,10 +464,10 @@ public final class HTMLManagerServlet extends
ManagerServlet {
+ URLEncoder.DEFAULT.encode(contextPath + "/",
StandardCharsets.UTF_8)
+ "\" " + Constants.REL_EXTERNAL + ">"
+ Escape.htmlElementContent(displayPath) + "</a>";
- if ("".equals(ctxt.getWebappVersion())) {
+ if (webappVersion == null || webappVersion.isEmpty()) {
args[1] = noVersion;
} else {
- args[1] =
Escape.htmlElementContent(ctxt.getWebappVersion());
+ args[1] = Escape.htmlElementContent(webappVersion);
}
if (ctxt.getDisplayName() == null) {
args[2] = " ";
diff --git a/java/org/apache/catalina/manager/ManagerServlet.java
b/java/org/apache/catalina/manager/ManagerServlet.java
index 4a67463..2be40ea 100644
--- a/java/org/apache/catalina/manager/ManagerServlet.java
+++ b/java/org/apache/catalina/manager/ManagerServlet.java
@@ -554,7 +554,7 @@ public class ManagerServlet extends HttpServlet implements
ContainerServlet {
smClient.getString("managerServlet.findleaksList"));
}
for (String result : results) {
- if ("".equals(result)) {
+ if (result.isEmpty()) {
result = "/";
}
writer.println(result);
diff --git a/java/org/apache/catalina/manager/host/HostManagerServlet.java
b/java/org/apache/catalina/manager/host/HostManagerServlet.java
index f825ac9..a1e10da 100644
--- a/java/org/apache/catalina/manager/host/HostManagerServlet.java
+++ b/java/org/apache/catalina/manager/host/HostManagerServlet.java
@@ -410,7 +410,7 @@ public class HostManagerServlet
host.addLifecycleListener(new HostConfig());
// Add host aliases
- if ((aliases != null) && !("".equals(aliases))) {
+ if ((aliases != null) && !aliases.isEmpty()) {
StringTokenizer tok = new StringTokenizer(aliases, ", ");
while (tok.hasMoreTokens()) {
host.addAlias(tok.nextToken());
diff --git a/java/org/apache/catalina/realm/RealmBase.java
b/java/org/apache/catalina/realm/RealmBase.java
index 1f2c7ea..5671c54 100644
--- a/java/org/apache/catalina/realm/RealmBase.java
+++ b/java/org/apache/catalina/realm/RealmBase.java
@@ -1544,7 +1544,7 @@ public abstract class RealmBase extends
LifecycleMBeanBase implements Realm {
private static X509UsernameRetriever createUsernameRetriever(String
className)
throws LifecycleException {
- if(null == className || "".equals(className.trim()))
+ if(null == className || className.trim().isEmpty())
return new X509SubjectDnRetriever();
try {
diff --git a/java/org/apache/catalina/servlets/CGIServlet.java
b/java/org/apache/catalina/servlets/CGIServlet.java
index 6d6fb18..e24c871 100644
--- a/java/org/apache/catalina/servlets/CGIServlet.java
+++ b/java/org/apache/catalina/servlets/CGIServlet.java
@@ -1077,7 +1077,7 @@ public final class CGIServlet extends HttpServlet {
* SHOULD NOT be defined.
*
*/
- if (!("".equals(sPathInfoCGI))) {
+ if (!sPathInfoCGI.isEmpty()) {
sPathTranslatedCGI = context.getRealPath(sPathInfoCGI);
}
if (sPathTranslatedCGI == null || "".equals(sPathTranslatedCGI)) {
@@ -1386,9 +1386,9 @@ public final class CGIServlet extends HttpServlet {
*/
protected String blanksToString(String couldBeBlank,
String subForBlanks) {
- return (("".equals(couldBeBlank) || couldBeBlank == null)
+ return (couldBeBlank == null || couldBeBlank.isEmpty())
? subForBlanks
- : couldBeBlank);
+ : couldBeBlank;
}
@@ -1689,7 +1689,7 @@ public final class CGIServlet extends HttpServlet {
try {
//set headers
String line = null;
- while (((line = cgiHeaderReader.readLine()) != null)
&& !("".equals(line))) {
+ while (((line = cgiHeaderReader.readLine()) != null)
&& !line.isEmpty()) {
if (log.isTraceEnabled()) {
log.trace("addHeader(\"" + line + "\")");
}
diff --git a/java/org/apache/catalina/session/JDBCStore.java
b/java/org/apache/catalina/session/JDBCStore.java
index f566190..bb57db0 100644
--- a/java/org/apache/catalina/session/JDBCStore.java
+++ b/java/org/apache/catalina/session/JDBCStore.java
@@ -445,7 +445,7 @@ public class JDBCStore extends StoreBase {
* @param dataSourceName The JNDI name of the DataSource-factory
*/
public void setDataSourceName(String dataSourceName) {
- if (dataSourceName == null || "".equals(dataSourceName.trim())) {
+ if (dataSourceName == null || dataSourceName.trim().isEmpty()) {
manager.getContext().getLogger().warn(
sm.getString(getStoreName() + ".missingDataSourceName"));
return;
diff --git a/java/org/apache/catalina/storeconfig/StoreRegistry.java
b/java/org/apache/catalina/storeconfig/StoreRegistry.java
index ccdc5e3..4ac91db 100644
--- a/java/org/apache/catalina/storeconfig/StoreRegistry.java
+++ b/java/org/apache/catalina/storeconfig/StoreRegistry.java
@@ -182,7 +182,7 @@ public class StoreRegistry {
*/
public void registerDescription(StoreDescription desc) {
String key = desc.getId();
- if (key == null || "".equals(key)) {
+ if (key == null || key.isEmpty()) {
key = desc.getTagClass();
}
descriptors.put(key, desc);
diff --git a/java/org/apache/catalina/util/ContextName.java
b/java/org/apache/catalina/util/ContextName.java
index 877197d..ce41224 100644
--- a/java/org/apache/catalina/util/ContextName.java
+++ b/java/org/apache/catalina/util/ContextName.java
@@ -25,7 +25,7 @@ import java.util.Locale;
public final class ContextName {
public static final String ROOT_NAME = "ROOT";
private static final String VERSION_MARKER = "##";
- private static final String FWD_SLASH_REPLACEMENT = "#";
+ private static final char FWD_SLASH_REPLACEMENT = '#';
private final String baseName;
private final String path;
@@ -54,10 +54,10 @@ public final class ContextName {
}
// Replace any remaining /
- tmp1 = tmp1.replaceAll("/", FWD_SLASH_REPLACEMENT);
+ tmp1 = tmp1.replace('/', FWD_SLASH_REPLACEMENT);
// Insert the ROOT name if required
- if (tmp1.startsWith(VERSION_MARKER) || "".equals(tmp1)) {
+ if (tmp1.startsWith(VERSION_MARKER) || tmp1.isEmpty()) {
tmp1 = ROOT_NAME + tmp1;
}
@@ -84,7 +84,7 @@ public final class ContextName {
if (ROOT_NAME.equals(tmp2)) {
path = "";
} else {
- path = "/" + tmp2.replaceAll(FWD_SLASH_REPLACEMENT, "/");
+ path = "/" + tmp2.replace(FWD_SLASH_REPLACEMENT, '/');
}
if (versionIndex > -1) {
@@ -116,7 +116,7 @@ public final class ContextName {
}
// Name is path + version
- if ("".equals(this.version)) {
+ if (this.version.isEmpty()) {
name = this.path;
} else {
name = this.path + VERSION_MARKER + this.version;
@@ -124,13 +124,13 @@ public final class ContextName {
// Base name is converted path + version
StringBuilder tmp = new StringBuilder();
- if ("".equals(this.path)) {
+ if (this.path.isEmpty()) {
tmp.append(ROOT_NAME);
} else {
- tmp.append(this.path.substring(1).replaceAll("/",
+ tmp.append(this.path.substring(1).replace('/',
FWD_SLASH_REPLACEMENT));
}
- if (this.version.length() > 0) {
+ if (!this.version.isEmpty()) {
tmp.append(VERSION_MARKER);
tmp.append(this.version);
}
@@ -161,7 +161,7 @@ public final class ContextName {
tmp.append(path);
}
- if (!"".equals(version)) {
+ if (!version.isEmpty()) {
tmp.append(VERSION_MARKER);
tmp.append(version);
}
diff --git a/java/org/apache/el/MethodExpressionImpl.java
b/java/org/apache/el/MethodExpressionImpl.java
index a3db932..04d8a9e 100644
--- a/java/org/apache/el/MethodExpressionImpl.java
+++ b/java/org/apache/el/MethodExpressionImpl.java
@@ -279,7 +279,7 @@ public final class MethodExpressionImpl extends
MethodExpression implements
ClassNotFoundException {
this.expr = in.readUTF();
String type = in.readUTF();
- if (!"".equals(type)) {
+ if (!type.isEmpty()) {
this.expectedType = ReflectionUtil.forName(type);
}
this.paramTypes = ReflectionUtil.toTypeArray(((String[]) in
diff --git a/java/org/apache/el/MethodExpressionLiteral.java
b/java/org/apache/el/MethodExpressionLiteral.java
index abdbfe7..3b7f60c 100644
--- a/java/org/apache/el/MethodExpressionLiteral.java
+++ b/java/org/apache/el/MethodExpressionLiteral.java
@@ -95,7 +95,7 @@ public class MethodExpressionLiteral extends MethodExpression
implements Externa
public void readExternal(ObjectInput in) throws IOException,
ClassNotFoundException {
this.expr = in.readUTF();
String type = in.readUTF();
- if (!"".equals(type)) {
+ if (!type.isEmpty()) {
this.expectedType = ReflectionUtil.forName(type);
}
this.paramTypes = ReflectionUtil.toTypeArray(((String[]) in
diff --git a/java/org/apache/el/ValueExpressionImpl.java
b/java/org/apache/el/ValueExpressionImpl.java
index 2682bbd..65ecd25 100644
--- a/java/org/apache/el/ValueExpressionImpl.java
+++ b/java/org/apache/el/ValueExpressionImpl.java
@@ -240,7 +240,7 @@ public final class ValueExpressionImpl extends
ValueExpression implements
ClassNotFoundException {
this.expr = in.readUTF();
String type = in.readUTF();
- if (!"".equals(type)) {
+ if (!type.isEmpty()) {
this.expectedType = ReflectionUtil.forName(type);
}
this.fnMapper = (FunctionMapper) in.readObject();
diff --git a/java/org/apache/el/ValueExpressionLiteral.java
b/java/org/apache/el/ValueExpressionLiteral.java
index 413f914..8b5febf 100644
--- a/java/org/apache/el/ValueExpressionLiteral.java
+++ b/java/org/apache/el/ValueExpressionLiteral.java
@@ -129,7 +129,7 @@ public final class ValueExpressionLiteral extends
ValueExpression implements
ClassNotFoundException {
this.value = in.readObject();
String type = in.readUTF();
- if (!"".equals(type)) {
+ if (!type.isEmpty()) {
this.expectedType = ReflectionUtil.forName(type);
}
}
diff --git a/java/org/apache/el/lang/ELSupport.java
b/java/org/apache/el/lang/ELSupport.java
index e979052..5b07838 100644
--- a/java/org/apache/el/lang/ELSupport.java
+++ b/java/org/apache/el/lang/ELSupport.java
@@ -540,19 +540,20 @@ public class ELSupport {
if (obj == null)
return null;
if (obj instanceof String) {
+ String str = (String) obj;
PropertyEditor editor = PropertyEditorManager.findEditor(type);
if (editor == null) {
- if ("".equals(obj)) {
+ if (str.isEmpty()) {
return null;
}
throw new ELException(MessageFactory.get("error.convert", obj,
obj.getClass(), type));
} else {
try {
- editor.setAsText((String) obj);
+ editor.setAsText(str);
return editor.getValue();
} catch (RuntimeException e) {
- if ("".equals(obj)) {
+ if (str.isEmpty()) {
return null;
}
throw new ELException(MessageFactory.get("error.convert",
diff --git a/java/org/apache/el/lang/FunctionMapperImpl.java
b/java/org/apache/el/lang/FunctionMapperImpl.java
index b58ab24..7ca71b4 100644
--- a/java/org/apache/el/lang/FunctionMapperImpl.java
+++ b/java/org/apache/el/lang/FunctionMapperImpl.java
@@ -146,7 +146,7 @@ public class FunctionMapperImpl extends FunctionMapper
implements
ClassNotFoundException {
this.prefix = in.readUTF();
- if ("".equals(this.prefix)) this.prefix = null;
+ if (this.prefix.isEmpty()) this.prefix = null;
this.localName = in.readUTF();
this.owner = in.readUTF();
this.name = in.readUTF();
diff --git a/java/org/apache/el/util/ReflectionUtil.java
b/java/org/apache/el/util/ReflectionUtil.java
index 24fe199..fecbaf7 100644
--- a/java/org/apache/el/util/ReflectionUtil.java
+++ b/java/org/apache/el/util/ReflectionUtil.java
@@ -52,7 +52,7 @@ public class ReflectionUtil {
}
public static Class<?> forName(String name) throws ClassNotFoundException {
- if (null == name || "".equals(name)) {
+ if (null == name || name.isEmpty()) {
return null;
}
Class<?> c = forNamePrimitive(name);
diff --git a/java/org/apache/jasper/JspC.java b/java/org/apache/jasper/JspC.java
index 87bb968..f211f31 100644
--- a/java/org/apache/jasper/JspC.java
+++ b/java/org/apache/jasper/JspC.java
@@ -1159,7 +1159,7 @@ public class JspC extends Task implements Options {
String packageName = clctxt.getServletPackageName();
String thisServletName;
- if ("".equals(packageName)) {
+ if (packageName.isEmpty()) {
thisServletName = className;
} else {
thisServletName = packageName + '.' + className;
diff --git a/java/org/apache/jasper/compiler/Generator.java
b/java/org/apache/jasper/compiler/Generator.java
index 6a76d3b..174cc4e 100644
--- a/java/org/apache/jasper/compiler/Generator.java
+++ b/java/org/apache/jasper/compiler/Generator.java
@@ -562,7 +562,7 @@ class Generator {
* preamble generation)
*/
private void genPreamblePackage(String packageName) {
- if (!"".equals(packageName) && packageName != null) {
+ if (packageName != null && !packageName.isEmpty()) {
out.printil("package " + packageName + ";");
out.println();
}
diff --git a/java/org/apache/jasper/compiler/Validator.java
b/java/org/apache/jasper/compiler/Validator.java
index a067699..7805cd6 100644
--- a/java/org/apache/jasper/compiler/Validator.java
+++ b/java/org/apache/jasper/compiler/Validator.java
@@ -1681,7 +1681,7 @@ class Validator {
lastArg = true;
}
String arg = signature.substring(start, p).trim();
- if (!"".equals(arg)) {
+ if (!arg.isEmpty()) {
params.add(arg);
}
if (lastArg) {
diff --git a/java/org/apache/tomcat/util/digester/SetPropertiesRule.java
b/java/org/apache/tomcat/util/digester/SetPropertiesRule.java
index 66d82f9..4779891 100644
--- a/java/org/apache/tomcat/util/digester/SetPropertiesRule.java
+++ b/java/org/apache/tomcat/util/digester/SetPropertiesRule.java
@@ -85,7 +85,7 @@ public class SetPropertiesRule extends Rule {
for (int i = 0; i < attributes.getLength(); i++) {
String name = attributes.getLocalName(i);
- if ("".equals(name)) {
+ if (name.isEmpty()) {
name = attributes.getQName(i);
}
String value = attributes.getValue(i);
diff --git a/java/org/apache/tomcat/util/net/SSLUtilBase.java
b/java/org/apache/tomcat/util/net/SSLUtilBase.java
index 09e3aa7..56453f3 100644
--- a/java/org/apache/tomcat/util/net/SSLUtilBase.java
+++ b/java/org/apache/tomcat/util/net/SSLUtilBase.java
@@ -192,7 +192,7 @@ public abstract class SSLUtilBase implements SSLUtil {
// Some key store types (e.g. hardware) expect the InputStream
// to be null
if(!("PKCS11".equalsIgnoreCase(type) ||
- "".equalsIgnoreCase(path)) ||
+ path.isEmpty()) ||
"NONE".equalsIgnoreCase(path)) {
istream =
ConfigFileLoader.getSource().getResource(path).getInputStream();
}
diff --git a/java/org/apache/tomcat/websocket/WsWebSocketContainer.java
b/java/org/apache/tomcat/websocket/WsWebSocketContainer.java
index 937dca0..0db496f 100644
--- a/java/org/apache/tomcat/websocket/WsWebSocketContainer.java
+++ b/java/org/apache/tomcat/websocket/WsWebSocketContainer.java
@@ -733,7 +733,8 @@ public class WsWebSocketContainer implements
WebSocketContainer, BackgroundProce
// Request line
result.put(GET_BYTES);
- if (null == uri.getPath() || "".equals(uri.getPath())) {
+ final String path = uri.getPath();
+ if (null == path || path.isEmpty()) {
result.put(ROOT_URI_BYTES);
} else {
result.put(uri.getRawPath().getBytes(StandardCharsets.ISO_8859_1));
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