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Posted to dev@camel.apache.org by Andrea Cosentino <an...@gmail.com> on 2020/04/06 07:41:25 UTC

Re: [camel] 02/03: Switch to faster String#indexOf method taking a char parameter.

The PackageHelper is broken by this commit

Il giorno lun 6 apr 2020 alle ore 09:05 <pa...@apache.org> ha
scritto:

> This is an automated email from the ASF dual-hosted git repository.
>
> pascalschumacher pushed a commit to branch master
> in repository https://gitbox.apache.org/repos/asf/camel.git
>
> commit 93e11b338ca61415a84c500622ac8f7a2024ce99
> Author: Pascal Schumacher <pa...@gmx.net>
> AuthorDate: Sun Apr 5 23:22:55 2020 +0200
>
>     Switch to faster String#indexOf method taking a char parameter.
> ---
>  .../src/main/java/org/apache/camel/parser/RouteBuilderParser.java | 2 +-
>  .../src/main/java/org/apache/camel/parser/XmlRouteParser.java     | 2 +-
>  .../component/aws/xray/decorators/AbstractSegmentDecorator.java   | 6
> +++---
>  .../camel/component/aws/xray/component/TestXRayProducer.java      | 2 +-
>  .../main/java/org/apache/camel/language/bean/BeanLanguage.java    | 2 +-
>  .../java/org/apache/camel/dataformat/bindy/UnicodeHelperTest.java | 8
> ++++----
>  .../java/org/apache/camel/component/cxf/jaxrs/CxfRsProducer.java  | 4 ++--
>  .../java/org/apache/camel/component/dozer/ExpressionMapper.java   | 4 ++--
>  .../java/org/apache/camel/component/file/remote/FtpComponent.java | 4 ++--
>  .../org/apache/camel/component/file/remote/SftpComponent.java     | 2 +-
>  .../google/bigquery/sql/GoogleBigQuerySQLConfiguration.java       | 2 +-
>  .../src/main/java/org/apache/camel/http/base/HttpHelper.java      | 2 +-
>  .../src/main/java/org/apache/camel/http/common/HttpHelper.java    | 2 +-
>  .../main/java/org/apache/camel/component/http/HttpProducer.java   | 2 +-
>  .../java/org/apache/camel/component/irc/IrcConfiguration.java     | 2 +-
>  .../main/java/org/apache/camel/component/scp/ScpComponent.java    | 2 +-
>  .../java/org/apache/camel/component/mail/MailConfiguration.java   | 2 +-
>  .../org/apache/camel/component/milo/AbstractMiloServerTest.java   | 2 +-
>  .../org/apache/camel/component/netty/http/NettyHttpHelper.java    | 2 +-
>  .../main/java/org/apache/camel/component/rest/RestProducer.java   | 4 ++--
>  .../salesforce/internal/streaming/SubscriptionHelper.java         | 2 +-
>  .../org/apache/camel/component/websocket/WebsocketComponent.java  | 8
> ++++----
>  .../camel/component/zookeeper/operations/ZooKeeperHelper.java     | 2 +-
>  .../java/org/apache/camel/catalog/impl/AbstractCamelCatalog.java  | 6
> +++---
>  .../src/main/java/org/apache/camel/impl/RouteIdFactory.java       | 2 +-
>  .../java/org/apache/camel/builder/xml/XPathTransformTest.java     | 2 +-
>  .../src/main/java/org/apache/camel/main/BaseMainSupport.java      | 4 ++--
>  .../src/main/java/org/apache/camel/support/ResourceHelper.java    | 2 +-
>  .../src/main/java/org/apache/camel/xml/io/XmlStreamReader.java    | 6
> +++---
>  .../src/test/java/org/apache/camel/xml/in/ModelParserTest.java    | 2 +-
>  .../main/java/org/apache/camel/tooling/util/PackageHelper.java    | 6
> +++---
>  .../org/apache/camel/maven/bom/generator/BomGeneratorMojo.java    | 2 +-
>  .../main/java/org/apache/camel/maven/packaging/XRefCheckMojo.java | 4 ++--
>  33 files changed, 53 insertions(+), 53 deletions(-)
>
> diff --git
> a/catalog/camel-route-parser/src/main/java/org/apache/camel/parser/RouteBuilderParser.java
> b/catalog/camel-route-parser/src/main/java/org/apache/camel/parser/RouteBuilderParser.java
> index 76d51e1..af5bb24 100644
> ---
> a/catalog/camel-route-parser/src/main/java/org/apache/camel/parser/RouteBuilderParser.java
> +++
> b/catalog/camel-route-parser/src/main/java/org/apache/camel/parser/RouteBuilderParser.java
> @@ -432,7 +432,7 @@ public final class RouteBuilderParser {
>
>      private static String endpointComponentName(String uri) {
>          if (uri != null) {
> -            int idx = uri.indexOf(":");
> +            int idx = uri.indexOf(':');
>              if (idx > 0) {
>                  return uri.substring(0, idx);
>              }
> diff --git
> a/catalog/camel-route-parser/src/main/java/org/apache/camel/parser/XmlRouteParser.java
> b/catalog/camel-route-parser/src/main/java/org/apache/camel/parser/XmlRouteParser.java
> index 1c1f9d3..e1a2cb0 100644
> ---
> a/catalog/camel-route-parser/src/main/java/org/apache/camel/parser/XmlRouteParser.java
> +++
> b/catalog/camel-route-parser/src/main/java/org/apache/camel/parser/XmlRouteParser.java
> @@ -308,7 +308,7 @@ public final class XmlRouteParser {
>
>      private static String endpointComponentName(String uri) {
>          if (uri != null) {
> -            int idx = uri.indexOf(":");
> +            int idx = uri.indexOf(':');
>              if (idx > 0) {
>                  return uri.substring(0, idx);
>              }
> diff --git
> a/components/camel-aws-xray/src/main/java/org/apache/camel/component/aws/xray/decorators/AbstractSegmentDecorator.java
> b/components/camel-aws-xray/src/main/java/org/apache/camel/component/aws/xray/decorators/AbstractSegmentDecorator.java
> index aeb457b..c5e0adc 100644
> ---
> a/components/camel-aws-xray/src/main/java/org/apache/camel/component/aws/xray/decorators/AbstractSegmentDecorator.java
> +++
> b/components/camel-aws-xray/src/main/java/org/apache/camel/component/aws/xray/decorators/AbstractSegmentDecorator.java
> @@ -67,13 +67,13 @@ public abstract class AbstractSegmentDecorator
> implements SegmentDecorator {
>       * @return The stripped value from the URI
>       */
>      public static String stripSchemeAndOptions(Endpoint endpoint) {
> -        int start = endpoint.getEndpointUri().indexOf(":");
> +        int start = endpoint.getEndpointUri().indexOf(':');
>          start++;
>          // Remove any leading '/'
>          while (endpoint.getEndpointUri().charAt(start) == '/') {
>              start++;
>          }
> -        int end = endpoint.getEndpointUri().indexOf("?");
> +        int end = endpoint.getEndpointUri().indexOf('?');
>          return end == -1 ? endpoint.getEndpointUri().substring(start) :
> endpoint.getEndpointUri().substring(start, end);
>      }
>
> @@ -84,7 +84,7 @@ public abstract class AbstractSegmentDecorator
> implements SegmentDecorator {
>       * @return A {@link Map} representation of the contained parameters
> of the provided URI
>       */
>      public static Map<String,  String> toQueryParameters(String uri) {
> -        int index = uri.indexOf("?");
> +        int index = uri.indexOf('?');
>          if (index != -1) {
>              String queryString = uri.substring(index + 1);
>              Map<String, String> map = new HashMap<>();
> diff --git
> a/components/camel-aws-xray/src/test/java/org/apache/camel/component/aws/xray/component/TestXRayProducer.java
> b/components/camel-aws-xray/src/test/java/org/apache/camel/component/aws/xray/component/TestXRayProducer.java
> index f77fac2..23e7d17 100644
> ---
> a/components/camel-aws-xray/src/test/java/org/apache/camel/component/aws/xray/component/TestXRayProducer.java
> +++
> b/components/camel-aws-xray/src/test/java/org/apache/camel/component/aws/xray/component/TestXRayProducer.java
> @@ -47,6 +47,6 @@ public class TestXRayProducer extends DefaultProducer {
>      }
>
>      private static String trim(String endpoint) {
> -        return endpoint.substring(endpoint.indexOf(":") + 1);
> +        return endpoint.substring(endpoint.indexOf(':') + 1);
>      }
>  }
> diff --git
> a/components/camel-bean/src/main/java/org/apache/camel/language/bean/BeanLanguage.java
> b/components/camel-bean/src/main/java/org/apache/camel/language/bean/BeanLanguage.java
> index bde8853..2ae6b7b 100644
> ---
> a/components/camel-bean/src/main/java/org/apache/camel/language/bean/BeanLanguage.java
> +++
> b/components/camel-bean/src/main/java/org/apache/camel/language/bean/BeanLanguage.java
> @@ -129,7 +129,7 @@ public class BeanLanguage extends LanguageSupport
> implements GeneratedPropertyCo
>              //first check case :: because of my.own.Bean::method
>              int doubleColonIndex = expression.indexOf("::");
>              //need to check that not inside params
> -            int beginOfParameterDeclaration = expression.indexOf("(");
> +            int beginOfParameterDeclaration = expression.indexOf('(');
>              if (doubleColonIndex > 0 && (!expression.contains("(") ||
> doubleColonIndex < beginOfParameterDeclaration)) {
>                  beanName = expression.substring(0, doubleColonIndex);
>                  method = expression.substring(doubleColonIndex + 2);
> diff --git
> a/components/camel-bindy/src/test/java/org/apache/camel/dataformat/bindy/UnicodeHelperTest.java
> b/components/camel-bindy/src/test/java/org/apache/camel/dataformat/bindy/UnicodeHelperTest.java
> index b2e7fdb..0dc5533 100644
> ---
> a/components/camel-bindy/src/test/java/org/apache/camel/dataformat/bindy/UnicodeHelperTest.java
> +++
> b/components/camel-bindy/src/test/java/org/apache/camel/dataformat/bindy/UnicodeHelperTest.java
> @@ -166,7 +166,7 @@ public class UnicodeHelperTest {
>      @Test
>      public void testIndexOf() {
>          final UnicodeHelper lh = new UnicodeHelper("a",
> Method.CODEPOINTS);
> -        Assert.assertEquals(-1, lh.indexOf("b"));
> +        Assert.assertEquals(-1, lh.indexOf('b'));
>
>          final UnicodeHelper lh2 = new UnicodeHelper(
>              "a" + new String(Character.toChars(0x1f600)) + "a" + UCSTR +
> "A" + "k\u035fh" + "z"
> @@ -186,7 +186,7 @@ public class UnicodeHelperTest {
>      @Test
>      public void testIndexOf2() {
>          final UnicodeHelper lh = new UnicodeHelper("a", Method.GRAPHEME);
> -        Assert.assertEquals(-1, lh.indexOf("b"));
> +        Assert.assertEquals(-1, lh.indexOf('b'));
>
>          final UnicodeHelper lh2 = new UnicodeHelper(
>              "a" + new String(Character.toChars(0x1f600)) + "a" + UCSTR +
> "A" + "k\u035fh" + "z"
> @@ -201,8 +201,8 @@ public class UnicodeHelperTest {
>          Assert.assertEquals(11, lh2.indexOf(UCSTR), 8);
>
>          final UnicodeHelper lh3 = new UnicodeHelper("mm̂mm̂m",
> Method.GRAPHEME);
> -        Assert.assertEquals(0, lh3.indexOf("m"));
> -        Assert.assertEquals(2, lh3.indexOf("m", 1));
> +        Assert.assertEquals(0, lh3.indexOf('m'));
> +        Assert.assertEquals(2, lh3.indexOf('m', 1));
>          Assert.assertEquals(3, lh3.indexOf("m̂", 2));
>      }
>
> diff --git
> a/components/camel-cxf/src/main/java/org/apache/camel/component/cxf/jaxrs/CxfRsProducer.java
> b/components/camel-cxf/src/main/java/org/apache/camel/component/cxf/jaxrs/CxfRsProducer.java
> index feedf4f..0d57864 100644
> ---
> a/components/camel-cxf/src/main/java/org/apache/camel/component/cxf/jaxrs/CxfRsProducer.java
> +++
> b/components/camel-cxf/src/main/java/org/apache/camel/component/cxf/jaxrs/CxfRsProducer.java
> @@ -264,8 +264,8 @@ public class CxfRsProducer extends
> DefaultAsyncProducer {
>          if (cxfMessage != null) {
>              String requestURL =
> (String)cxfMessage.get("org.apache.cxf.request.uri");
>              String matrixParam = null;
> -            int matrixStart = requestURL.indexOf(";");
> -            int matrixEnd = requestURL.indexOf("?") > -1 ?
> requestURL.indexOf("?") : requestURL.length();
> +            int matrixStart = requestURL.indexOf(';');
> +            int matrixEnd = requestURL.indexOf('?') > -1 ?
> requestURL.indexOf('?') : requestURL.length();
>              Map<String, String> maps = null;
>              if (requestURL != null && matrixStart > 0) {
>                  matrixParam = requestURL.substring(matrixStart + 1,
> matrixEnd);
> diff --git
> a/components/camel-dozer/src/main/java/org/apache/camel/component/dozer/ExpressionMapper.java
> b/components/camel-dozer/src/main/java/org/apache/camel/component/dozer/ExpressionMapper.java
> index f9ba88e..0d7edf8 100644
> ---
> a/components/camel-dozer/src/main/java/org/apache/camel/component/dozer/ExpressionMapper.java
> +++
> b/components/camel-dozer/src/main/java/org/apache/camel/component/dozer/ExpressionMapper.java
> @@ -112,14 +112,14 @@ public class ExpressionMapper extends BaseConverter {
>       * The actual expression, without the language prefix.
>       */
>      public String getExpressionPart() {
> -        return getParameter().substring(getParameter().indexOf(":") + 1);
> +        return getParameter().substring(getParameter().indexOf(':') + 1);
>      }
>
>      /**
>       * The expression language used for this mapping.
>       */
>      public String getLanguagePart() {
> -        return getParameter().substring(0, getParameter().indexOf(":"));
> +        return getParameter().substring(0, getParameter().indexOf(':'));
>      }
>
>      /**
> diff --git
> a/components/camel-ftp/src/main/java/org/apache/camel/component/file/remote/FtpComponent.java
> b/components/camel-ftp/src/main/java/org/apache/camel/component/file/remote/FtpComponent.java
> index e78bfd0..c0b4dbb 100644
> ---
> a/components/camel-ftp/src/main/java/org/apache/camel/component/file/remote/FtpComponent.java
> +++
> b/components/camel-ftp/src/main/java/org/apache/camel/component/file/remote/FtpComponent.java
> @@ -70,8 +70,8 @@ public class FtpComponent extends
> RemoteFileComponent<FTPFile> {
>       */
>      protected String getBaseUri(String uri) {
>          String baseUri = uri;
> -        if (uri.indexOf("?") != -1) {
> -            baseUri = uri.substring(0, uri.indexOf("?"));
> +        if (uri.indexOf('?') != -1) {
> +            baseUri = uri.substring(0, uri.indexOf('?'));
>          }
>          return baseUri;
>      }
> diff --git
> a/components/camel-ftp/src/main/java/org/apache/camel/component/file/remote/SftpComponent.java
> b/components/camel-ftp/src/main/java/org/apache/camel/component/file/remote/SftpComponent.java
> index 697bac9..d3fd36d 100644
> ---
> a/components/camel-ftp/src/main/java/org/apache/camel/component/file/remote/SftpComponent.java
> +++
> b/components/camel-ftp/src/main/java/org/apache/camel/component/file/remote/SftpComponent.java
> @@ -48,7 +48,7 @@ public class SftpComponent extends
> RemoteFileComponent<SftpRemoteFile> {
>          // to escape the $ for the expression (file language)
>          String baseUri = uri;
>          if (uri.contains("?")) {
> -            baseUri = uri.substring(0, uri.indexOf("?"));
> +            baseUri = uri.substring(0, uri.indexOf('?'));
>          }
>
>          // lets make sure we create a new configuration as each endpoint
> can
> diff --git
> a/components/camel-google-bigquery/src/main/java/org/apache/camel/component/google/bigquery/sql/GoogleBigQuerySQLConfiguration.java
> b/components/camel-google-bigquery/src/main/java/org/apache/camel/component/google/bigquery/sql/GoogleBigQuerySQLConfiguration.java
> index 0f9143a..1e918fc 100644
> ---
> a/components/camel-google-bigquery/src/main/java/org/apache/camel/component/google/bigquery/sql/GoogleBigQuerySQLConfiguration.java
> +++
> b/components/camel-google-bigquery/src/main/java/org/apache/camel/component/google/bigquery/sql/GoogleBigQuerySQLConfiguration.java
> @@ -35,7 +35,7 @@ public class GoogleBigQuerySQLConfiguration {
>      private String query;
>
>      public void parseRemaining(String remaining) {
> -        int indexOfColon = remaining.indexOf(":");
> +        int indexOfColon = remaining.indexOf(':');
>
>          if (indexOfColon < 0) {
>              throw new IllegalArgumentException("Google BigQuery Endpoint
> format \"projectId:query\"");
> diff --git
> a/components/camel-http-base/src/main/java/org/apache/camel/http/base/HttpHelper.java
> b/components/camel-http-base/src/main/java/org/apache/camel/http/base/HttpHelper.java
> index 9ddd58c..1073618 100644
> ---
> a/components/camel-http-base/src/main/java/org/apache/camel/http/base/HttpHelper.java
> +++
> b/components/camel-http-base/src/main/java/org/apache/camel/http/base/HttpHelper.java
> @@ -46,7 +46,7 @@ public final class HttpHelper {
>              throw new ProtocolException("Invalid HTTP version string: " +
> s);
>          }
>          int i1 = "HTTP/".length();
> -        int i2 = s.indexOf(".", i1);
> +        int i2 = s.indexOf('.', i1);
>          if (i2 == -1) {
>              throw new ProtocolException("Invalid HTTP version number: " +
> s);
>          }
> diff --git
> a/components/camel-http-common/src/main/java/org/apache/camel/http/common/HttpHelper.java
> b/components/camel-http-common/src/main/java/org/apache/camel/http/common/HttpHelper.java
> index 66a3d1c..1dde940 100644
> ---
> a/components/camel-http-common/src/main/java/org/apache/camel/http/common/HttpHelper.java
> +++
> b/components/camel-http-common/src/main/java/org/apache/camel/http/common/HttpHelper.java
> @@ -223,7 +223,7 @@ public final class HttpHelper {
>              }
>              if (path.length() > 0) {
>                  // inject the dynamic path before the query params, if
> there are any
> -                int idx = uri.indexOf("?");
> +                int idx = uri.indexOf('?');
>
>                  // if there are no query params
>                  if (idx == -1) {
> diff --git
> a/components/camel-http/src/main/java/org/apache/camel/component/http/HttpProducer.java
> b/components/camel-http/src/main/java/org/apache/camel/component/http/HttpProducer.java
> index 9d58cbb..b688a5e 100644
> ---
> a/components/camel-http/src/main/java/org/apache/camel/component/http/HttpProducer.java
> +++
> b/components/camel-http/src/main/java/org/apache/camel/component/http/HttpProducer.java
> @@ -509,7 +509,7 @@ public class HttpProducer extends DefaultProducer {
>                      //it removes "boundary" from Content-Type; I have to
> use contentType.create method.
>                      if (contentTypeString != null) {
>                          // using ContentType.parser for charset
> -                        if (contentTypeString.indexOf("charset") > 0 ||
> contentTypeString.indexOf(";") > 0) {
> +                        if (contentTypeString.indexOf("charset") > 0 ||
> contentTypeString.indexOf(';') > 0) {
>                              contentType =
> ContentType.parse(contentTypeString);
>                          } else {
>                              contentType =
> ContentType.create(contentTypeString);
> diff --git
> a/components/camel-irc/src/main/java/org/apache/camel/component/irc/IrcConfiguration.java
> b/components/camel-irc/src/main/java/org/apache/camel/component/irc/IrcConfiguration.java
> index 5443e2d..1b3fb65 100644
> ---
> a/components/camel-irc/src/main/java/org/apache/camel/component/irc/IrcConfiguration.java
> +++
> b/components/camel-irc/src/main/java/org/apache/camel/component/irc/IrcConfiguration.java
> @@ -160,7 +160,7 @@ public class IrcConfiguration implements Cloneable {
>          String username = null;
>          String password = null;
>          if (userInfo != null) {
> -            int colonIndex = userInfo.indexOf(":");
> +            int colonIndex = userInfo.indexOf(':');
>              if (colonIndex != -1) {
>                  username = userInfo.substring(0, colonIndex);
>                  password = userInfo.substring(colonIndex + 1);
> diff --git
> a/components/camel-jsch/src/main/java/org/apache/camel/component/scp/ScpComponent.java
> b/components/camel-jsch/src/main/java/org/apache/camel/component/scp/ScpComponent.java
> index 5ee2311..f1fc631 100644
> ---
> a/components/camel-jsch/src/main/java/org/apache/camel/component/scp/ScpComponent.java
> +++
> b/components/camel-jsch/src/main/java/org/apache/camel/component/scp/ScpComponent.java
> @@ -44,7 +44,7 @@ public class ScpComponent extends
> RemoteFileComponent<ScpFile> {
>
>      @Override
>      protected GenericFileEndpoint<ScpFile> buildFileEndpoint(String uri,
> String remaining, Map<String, Object> parameters) throws Exception {
> -        int query = uri.indexOf("?");
> +        int query = uri.indexOf('?');
>          return new ScpEndpoint(uri, this, new ScpConfiguration(new
> URI(query >= 0 ? uri.substring(0, query) : uri)));
>      }
>
> diff --git
> a/components/camel-mail/src/main/java/org/apache/camel/component/mail/MailConfiguration.java
> b/components/camel-mail/src/main/java/org/apache/camel/component/mail/MailConfiguration.java
> index 2688c19..29d04d1 100644
> ---
> a/components/camel-mail/src/main/java/org/apache/camel/component/mail/MailConfiguration.java
> +++
> b/components/camel-mail/src/main/java/org/apache/camel/component/mail/MailConfiguration.java
> @@ -455,7 +455,7 @@ public class MailConfiguration implements Cloneable {
>              // set default destination to username@host for backwards
> compatibility
>              // can be overridden by URI parameters
>              String address = username;
> -            if (address.indexOf("@") == -1) {
> +            if (address.indexOf('@') == -1) {
>                  address += "@" + host;
>              }
>              setTo(address);
> diff --git
> a/components/camel-milo/src/test/java/org/apache/camel/component/milo/AbstractMiloServerTest.java
> b/components/camel-milo/src/test/java/org/apache/camel/component/milo/AbstractMiloServerTest.java
> index 085beb7..c2c6989 100644
> ---
> a/components/camel-milo/src/test/java/org/apache/camel/component/milo/AbstractMiloServerTest.java
> +++
> b/components/camel-milo/src/test/java/org/apache/camel/component/milo/AbstractMiloServerTest.java
> @@ -132,7 +132,7 @@ public abstract class AbstractMiloServerTest extends
> CamelTestSupport {
>      boolean isJavaVersionSatisfied(int requiredVersion) {
>          String version = System.getProperty("java.version");
>          if (!version.startsWith("1.")) {
> -            int dot = version.indexOf(".");
> +            int dot = version.indexOf('.');
>              if (dot != -1) {
>                  version = version.substring(0, dot);
>              }
> diff --git
> a/components/camel-netty-http/src/main/java/org/apache/camel/component/netty/http/NettyHttpHelper.java
> b/components/camel-netty-http/src/main/java/org/apache/camel/component/netty/http/NettyHttpHelper.java
> index c383152..be42101 100644
> ---
> a/components/camel-netty-http/src/main/java/org/apache/camel/component/netty/http/NettyHttpHelper.java
> +++
> b/components/camel-netty-http/src/main/java/org/apache/camel/component/netty/http/NettyHttpHelper.java
> @@ -207,7 +207,7 @@ public final class NettyHttpHelper {
>              }
>
>              // inject the dynamic path before the query params, if there
> are any
> -            int idx = uri.indexOf("?");
> +            int idx = uri.indexOf('?');
>
>              // if there are no query params
>              if (idx == -1) {
> diff --git
> a/components/camel-rest/src/main/java/org/apache/camel/component/rest/RestProducer.java
> b/components/camel-rest/src/main/java/org/apache/camel/component/rest/RestProducer.java
> index 2f8be9f..121d2aa 100644
> ---
> a/components/camel-rest/src/main/java/org/apache/camel/component/rest/RestProducer.java
> +++
> b/components/camel-rest/src/main/java/org/apache/camel/component/rest/RestProducer.java
> @@ -232,8 +232,8 @@ public class RestProducer extends DefaultAsyncProducer
> {
>      private String resolveHeaderPlaceholders(String str, Message msg) {
>          int startIndex = -1;
>          String res = str;
> -        while ((startIndex = res.indexOf("{", startIndex + 1)) >= 0) {
> -            int endIndex = res.indexOf("}", startIndex);
> +        while ((startIndex = res.indexOf('{', startIndex + 1)) >= 0) {
> +            int endIndex = res.indexOf('}', startIndex);
>              if (endIndex == -1) {
>                  continue;
>              }
> diff --git
> a/components/camel-salesforce/camel-salesforce-component/src/main/java/org/apache/camel/component/salesforce/internal/streaming/SubscriptionHelper.java
> b/components/camel-salesforce/camel-salesforce-component/src/main/java/org/apache/camel/component/salesforce/internal/streaming/SubscriptionHelper.java
> index 3960ef1..8bb3c20 100644
> ---
> a/components/camel-salesforce/camel-salesforce-component/src/main/java/org/apache/camel/component/salesforce/internal/streaming/SubscriptionHelper.java
> +++
> b/components/camel-salesforce/camel-salesforce-component/src/main/java/org/apache/camel/component/salesforce/internal/streaming/SubscriptionHelper.java
> @@ -526,7 +526,7 @@ public class SubscriptionHelper extends ServiceSupport
> {
>              channelName.append(topicName);
>          }
>
> -        final int typeIdx = channelName.indexOf("/", 1);
> +        final int typeIdx = channelName.indexOf('/', 1);
>          if ("event".equals(channelName.substring(1, typeIdx)) &&
> !topicName.endsWith("__e")) {
>              channelName.append("__e");
>          }
> diff --git
> a/components/camel-websocket/src/main/java/org/apache/camel/component/websocket/WebsocketComponent.java
> b/components/camel-websocket/src/main/java/org/apache/camel/component/websocket/WebsocketComponent.java
> index 3a34e99..9c563a8 100644
> ---
> a/components/camel-websocket/src/main/java/org/apache/camel/component/websocket/WebsocketComponent.java
> +++
> b/components/camel-websocket/src/main/java/org/apache/camel/component/websocket/WebsocketComponent.java
> @@ -550,7 +550,7 @@ public class WebsocketComponent extends
> DefaultComponent implements SSLContextPa
>          // Is not correct as it does not support to add port in the URI
>          //return String.format("/%s/*", remaining);
>
> -        int index = remaining.indexOf("/");
> +        int index = remaining.indexOf('/');
>          if (index != -1) {
>              return remaining.substring(index, remaining.length());
>          } else {
> @@ -559,8 +559,8 @@ public class WebsocketComponent extends
> DefaultComponent implements SSLContextPa
>      }
>
>      private int extractPortNumber(String remaining) {
> -        int index1 = remaining.indexOf(":");
> -        int index2 = remaining.indexOf("/");
> +        int index1 = remaining.indexOf(':');
> +        int index2 = remaining.indexOf('/');
>
>          if ((index1 != -1) && (index2 != -1)) {
>              String result = remaining.substring(index1 + 1, index2);
> @@ -571,7 +571,7 @@ public class WebsocketComponent extends
> DefaultComponent implements SSLContextPa
>      }
>
>      private String extractHostName(String remaining) {
> -        int index = remaining.indexOf(":");
> +        int index = remaining.indexOf(':');
>          if (index != -1) {
>              return remaining.substring(0, index);
>          } else {
> diff --git
> a/components/camel-zookeeper/src/main/java/org/apache/camel/component/zookeeper/operations/ZooKeeperHelper.java
> b/components/camel-zookeeper/src/main/java/org/apache/camel/component/zookeeper/operations/ZooKeeperHelper.java
> index 89a8813..13777f2 100644
> ---
> a/components/camel-zookeeper/src/main/java/org/apache/camel/component/zookeeper/operations/ZooKeeperHelper.java
> +++
> b/components/camel-zookeeper/src/main/java/org/apache/camel/component/zookeeper/operations/ZooKeeperHelper.java
> @@ -32,7 +32,7 @@ public final class ZooKeeperHelper {
>
>          int pos = 1; // skip first slash, root is guaranteed to exist
>          do {
> -            pos = path.indexOf("/", pos + 1);
> +            pos = path.indexOf('/', pos + 1);
>
>              if (pos == -1) {
>                  if (makeLastNode) {
> diff --git
> a/core/camel-core-catalog/src/main/java/org/apache/camel/catalog/impl/AbstractCamelCatalog.java
> b/core/camel-core-catalog/src/main/java/org/apache/camel/catalog/impl/AbstractCamelCatalog.java
> index 3dab3f7..e0d746f 100644
> ---
> a/core/camel-core-catalog/src/main/java/org/apache/camel/catalog/impl/AbstractCamelCatalog.java
> +++
> b/core/camel-core-catalog/src/main/java/org/apache/camel/catalog/impl/AbstractCamelCatalog.java
> @@ -397,7 +397,7 @@ public abstract class AbstractCamelCatalog {
>              // clip the scheme from the syntax
>              alternativeSyntax = CatalogHelper.after(alternativeSyntax,
> ":");
>              // trim so only userinfo
> -            int idx = alternativeSyntax.indexOf("@");
> +            int idx = alternativeSyntax.indexOf('@');
>              String fields = alternativeSyntax.substring(0, idx);
>              String[] names = fields.split(":");
>
> @@ -408,7 +408,7 @@ public abstract class AbstractCamelCatalog {
>                  String password = null;
>
>                  // grab unserinfo part before @
> -                String userInfo = authority.substring(0,
> authority.indexOf("@"));
> +                String userInfo = authority.substring(0,
> authority.indexOf('@'));
>                  String[] parts = userInfo.split(":");
>                  if (parts.length == 2) {
>                      username = parts[0];
> @@ -661,7 +661,7 @@ public abstract class AbstractCamelCatalog {
>
>      public String endpointComponentName(String uri) {
>          if (uri != null) {
> -            int idx = uri.indexOf(":");
> +            int idx = uri.indexOf(':');
>              if (idx > 0) {
>                  return uri.substring(0, idx);
>              }
> diff --git
> a/core/camel-core-engine/src/main/java/org/apache/camel/impl/RouteIdFactory.java
> b/core/camel-core-engine/src/main/java/org/apache/camel/impl/RouteIdFactory.java
> index 8a7eddd..bef8fa6 100644
> ---
> a/core/camel-core-engine/src/main/java/org/apache/camel/impl/RouteIdFactory.java
> +++
> b/core/camel-core-engine/src/main/java/org/apache/camel/impl/RouteIdFactory.java
> @@ -97,7 +97,7 @@ public class RouteIdFactory implements NodeIdFactory {
>          if (colon > 0) {
>              String name = uri.substring(colon + 1);
>
> -            int questionMark = name.indexOf("?");
> +            int questionMark = name.indexOf('?');
>
>              if (questionMark > 0) {
>                  return Optional.of(name.substring(0, questionMark));
> diff --git
> a/core/camel-core/src/test/java/org/apache/camel/builder/xml/XPathTransformTest.java
> b/core/camel-core/src/test/java/org/apache/camel/builder/xml/XPathTransformTest.java
> index 559ae1f..046fada 100644
> ---
> a/core/camel-core/src/test/java/org/apache/camel/builder/xml/XPathTransformTest.java
> +++
> b/core/camel-core/src/test/java/org/apache/camel/builder/xml/XPathTransformTest.java
> @@ -114,7 +114,7 @@ public class XPathTransformTest extends
> ContextTestSupport {
>          if (version.startsWith("1.")) {
>              version = version.substring(2, 3);
>          } else {
> -            int dot = version.indexOf(".");
> +            int dot = version.indexOf('.');
>              if (dot != -1) {
>                  version = version.substring(0, dot);
>              }
> diff --git
> a/core/camel-main/src/main/java/org/apache/camel/main/BaseMainSupport.java
> b/core/camel-main/src/main/java/org/apache/camel/main/BaseMainSupport.java
> index 1679fcf..abb1983 100644
> ---
> a/core/camel-main/src/main/java/org/apache/camel/main/BaseMainSupport.java
> +++
> b/core/camel-main/src/main/java/org/apache/camel/main/BaseMainSupport.java
> @@ -874,7 +874,7 @@ public abstract class BaseMainSupport extends
> BaseService {
>
>          for (String key : prop.stringPropertyNames()) {
>              if (key.startsWith("camel.component.properties.")) {
> -                int dot = key.indexOf(".", 26);
> +                int dot = key.indexOf('.', 26);
>                  String option = dot == -1 ? "" : key.substring(dot + 1);
>                  String value = prop.getProperty(key, "");
>                  validateOptionAndValue(key, option, value);
> @@ -1208,7 +1208,7 @@ public abstract class BaseMainSupport extends
> BaseService {
>                                              Function<String,
> Iterable<Object>> supplier) {
>          if (key.startsWith(keyPrefix)) {
>              // grab name
> -            final int dot = key.indexOf(".", keyPrefix.length());
> +            final int dot = key.indexOf('.', keyPrefix.length());
>              final String name = dot == -1 ?
> key.substring(keyPrefix.length()) : key.substring(keyPrefix.length(), dot);
>
>              // enabled is a virtual property
> diff --git
> a/core/camel-support/src/main/java/org/apache/camel/support/ResourceHelper.java
> b/core/camel-support/src/main/java/org/apache/camel/support/ResourceHelper.java
> index 2d4df7a..8046832 100644
> ---
> a/core/camel-support/src/main/java/org/apache/camel/support/ResourceHelper.java
> +++
> b/core/camel-support/src/main/java/org/apache/camel/support/ResourceHelper.java
> @@ -80,7 +80,7 @@ public final class ResourceHelper {
>       */
>      public static String getScheme(String uri) {
>          if (hasScheme(uri)) {
> -            return uri.substring(0, uri.indexOf(":") + 1);
> +            return uri.substring(0, uri.indexOf(':') + 1);
>          } else {
>              return null;
>          }
> diff --git
> a/core/camel-xml-io/src/main/java/org/apache/camel/xml/io/XmlStreamReader.java
> b/core/camel-xml-io/src/main/java/org/apache/camel/xml/io/XmlStreamReader.java
> index 2102b20..fea01f3 100644
> ---
> a/core/camel-xml-io/src/main/java/org/apache/camel/xml/io/XmlStreamReader.java
> +++
> b/core/camel-xml-io/src/main/java/org/apache/camel/xml/io/XmlStreamReader.java
> @@ -640,7 +640,7 @@ public class XmlStreamReader extends Reader {
>      private static String getContentTypeMime(final String
> httpContentType) {
>          String mime = null;
>          if (httpContentType != null) {
> -            final int i = httpContentType.indexOf(";");
> +            final int i = httpContentType.indexOf(';');
>              if (i == -1) {
>                  mime = httpContentType.trim();
>              } else {
> @@ -655,7 +655,7 @@ public class XmlStreamReader extends Reader {
>      private static String getContentTypeEncoding(final String
> httpContentType) {
>          String encoding = null;
>          if (httpContentType != null) {
> -            final int i = httpContentType.indexOf(";");
> +            final int i = httpContentType.indexOf(';');
>              if (i > -1) {
>                  final String postMime = httpContentType.substring(i + 1);
>                  final Matcher m = CHARSET_PATTERN.matcher(postMime);
> @@ -739,7 +739,7 @@ public class XmlStreamReader extends Reader {
>                  offset += c;
>                  max -= c;
>                  c = is.read(bytes, offset, max);
> -                firstGT = new String(bytes, 0, offset,
> guessedEnc).indexOf(">");
> +                firstGT = new String(bytes, 0, offset,
> guessedEnc).indexOf('>');
>              }
>              if (firstGT == -1) {
>                  if (c == -1) {
> diff --git
> a/core/camel-xml-io/src/test/java/org/apache/camel/xml/in/ModelParserTest.java
> b/core/camel-xml-io/src/test/java/org/apache/camel/xml/in/ModelParserTest.java
> index 05322bb..3f1a1ce 100644
> ---
> a/core/camel-xml-io/src/test/java/org/apache/camel/xml/in/ModelParserTest.java
> +++
> b/core/camel-xml-io/src/test/java/org/apache/camel/xml/in/ModelParserTest.java
> @@ -64,7 +64,7 @@ public class ModelParserTest {
>          if (url.startsWith("file:")) {
>              url = url.substring("file:".length(),
> url.indexOf("barInterceptorRoute.xml"));
>          } else if (url.startsWith("jar:file:")) {
> -            url = url.substring("jar:file:".length(), url.indexOf("!"));
> +            url = url.substring("jar:file:".length(), url.indexOf('!'));
>          }
>          return Paths.get(url);
>      }
> diff --git
> a/tooling/camel-tooling-util/src/main/java/org/apache/camel/tooling/util/PackageHelper.java
> b/tooling/camel-tooling-util/src/main/java/org/apache/camel/tooling/util/PackageHelper.java
> index 49c6751..3c782ec 100644
> ---
> a/tooling/camel-tooling-util/src/main/java/org/apache/camel/tooling/util/PackageHelper.java
> +++
> b/tooling/camel-tooling-util/src/main/java/org/apache/camel/tooling/util/PackageHelper.java
> @@ -166,11 +166,11 @@ public final class PackageHelper {
>       * Extract the model kind from a given json schema
>       */
>      public static String getSchemaKind(String json) {
> -        int i = json.indexOf("\"kind\"");
> +        int i = json.indexOf('\'kind\"");
>          if (i >= 0) {
> -            int s = json.indexOf("\"", i + 6);
> +            int s = json.indexOf('\'", i + 6);
>              if (s >= 0) {
> -                int e = json.indexOf("\"", s + 1);
> +                int e = json.indexOf('\'", s + 1);
>                  if (e >= 0) {
>                      return json.substring(s + 1, e);
>                  }
> diff --git
> a/tooling/maven/bom-generator-maven-plugin/src/main/java/org/apache/camel/maven/bom/generator/BomGeneratorMojo.java
> b/tooling/maven/bom-generator-maven-plugin/src/main/java/org/apache/camel/maven/bom/generator/BomGeneratorMojo.java
> index bc1d346..0f4e389 100644
> ---
> a/tooling/maven/bom-generator-maven-plugin/src/main/java/org/apache/camel/maven/bom/generator/BomGeneratorMojo.java
> +++
> b/tooling/maven/bom-generator-maven-plugin/src/main/java/org/apache/camel/maven/bom/generator/BomGeneratorMojo.java
> @@ -384,7 +384,7 @@ public class BomGeneratorMojo extends AbstractMojo {
>      private String resolveVersion(MavenProject project, String version) {
>          if (version.contains("${")) {
>              int start = version.indexOf("${");
> -            int end = version.indexOf("}");
> +            int end = version.indexOf('}');
>              if (end > start) {
>                  String prop = version.substring(start + 2, end);
>                  String resolved =
> project.getProperties().getProperty(prop);
> diff --git
> a/tooling/maven/camel-package-maven-plugin/src/main/java/org/apache/camel/maven/packaging/XRefCheckMojo.java
> b/tooling/maven/camel-package-maven-plugin/src/main/java/org/apache/camel/maven/packaging/XRefCheckMojo.java
> index 979d201..c4f49d7 100644
> ---
> a/tooling/maven/camel-package-maven-plugin/src/main/java/org/apache/camel/maven/packaging/XRefCheckMojo.java
> +++
> b/tooling/maven/camel-package-maven-plugin/src/main/java/org/apache/camel/maven/packaging/XRefCheckMojo.java
> @@ -110,8 +110,8 @@ public class XRefCheckMojo extends AbstractMojo {
>
>          Pattern xref =
> Pattern.compile("\\b(?<all>xref:(?<link>[^\\[]+.adoc)[^\\]]*\\])");
>          for (Map.Entry<String, Path> page : pages.entrySet()) {
> -            int firstDot = page.getKey().indexOf(":");
> -            int secondDot = firstDot >= 0 ? page.getKey().indexOf(":",
> firstDot + 1) : -1;
> +            int firstDot = page.getKey().indexOf(':');
> +            int secondDot = firstDot >= 0 ? page.getKey().indexOf(':',
> firstDot + 1) : -1;
>              String component = secondDot >= 0 ?
> page.getKey().substring(0, firstDot) : "";
>              String module = secondDot >= 0 ?
> page.getKey().substring(firstDot + 1, secondDot) : "";
>              String str = PackageHelper.loadText(page.getValue());
>
>