[MNG-7686] Speed up by replacing non-pattern #replaceAll() with #replace() or precompiled patterns

This closes #984
This commit is contained in:
Andrey Bruykhov 2023-02-07 17:28:03 +03:00 committed by Michael Osipov
parent ef3cf56b51
commit 6e25a2674b
16 changed files with 60 additions and 39 deletions

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@ -68,7 +68,7 @@ private boolean matchJdkVersionRange(String jdk) throws InvalidVersionSpecificat
}
private String convertJdkToMavenVersion(String jdk) {
return jdk.replaceAll("_", "-");
return jdk.replace("_", "-");
}
protected String getJdkVersion() {

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@ -22,7 +22,6 @@
import java.io.File;
import java.io.FileNotFoundException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.Arrays;
@ -81,7 +80,8 @@ protected File getLocalRepositoryPath() throws FileNotFoundException, URISyntaxE
return markerFile.getAbsoluteFile().getParentFile();
}
protected static File getFileForClasspathResource(String resource) throws FileNotFoundException {
protected static File getFileForClasspathResource(String resource)
throws FileNotFoundException, URISyntaxException {
ClassLoader cloader = Thread.currentThread().getContextClassLoader();
URL resourceUrl = cloader.getResource(resource);
@ -90,7 +90,7 @@ protected static File getFileForClasspathResource(String resource) throws FileNo
throw new FileNotFoundException("Unable to find: " + resource);
}
return new File(URI.create(resourceUrl.toString().replaceAll(" ", "%20")));
return new File(resourceUrl.toURI());
}
protected ArtifactRepository getLocalRepository() throws Exception {

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@ -22,6 +22,7 @@
import javax.inject.Singleton;
import java.io.FileNotFoundException;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
@ -59,8 +60,8 @@ public List<ArtifactResult> resolveArtifacts(
artifact = artifact.setFile(ProjectClasspathTest.getFileForClasspathResource(
ProjectClasspathTest.dir + "transitive-" + scope + "-dep.xml"));
result.setArtifact(artifact);
} catch (FileNotFoundException e) {
throw new IllegalStateException("Missing test POM for " + artifact);
} catch (FileNotFoundException | URISyntaxException e) {
throw new IllegalStateException("Missing test POM for " + artifact, e);
}
} else {
result.addException(new ArtifactNotFoundException(artifact, null));

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@ -20,6 +20,7 @@
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Pattern;
/**
* Helper class to format multiline messages to the console
@ -29,6 +30,8 @@ public class MultilineMessageHelper {
private static final int DEFAULT_MAX_SIZE = 65;
private static final char BOX_CHAR = '*';
private static final Pattern S_FILTER = Pattern.compile("\\s+");
public static String separatorLine() {
StringBuilder sb = new StringBuilder(DEFAULT_MAX_SIZE);
repeat(sb, '*', DEFAULT_MAX_SIZE);
@ -47,7 +50,7 @@ public static List<String> format(String... lines) {
// lines
for (String line : lines) {
sb.setLength(0);
String[] words = line.split("\\s+");
String[] words = S_FILTER.split(line);
for (String word : words) {
if (sb.length() >= remainder - word.length() - (sb.length() > 0 ? 1 : 0)) {
repeat(sb, ' ', remainder - sb.length());

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@ -160,11 +160,7 @@ public Object evaluate(String expr, Class<?> type) throws ExpressionEvaluationEx
}
// Was not an expression
if (expression.contains("$$")) {
return expression.replaceAll("\\$\\$", "\\$");
} else {
return expression;
}
return expression.replace("$$", "$");
}
MojoDescriptor mojoDescriptor = mojoExecution.getMojoDescriptor();

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@ -163,11 +163,7 @@ public Object evaluate(String expr, Class<?> type) throws ExpressionEvaluationEx
}
// Was not an expression
if (expression.contains("$$")) {
return expression.replaceAll("\\$\\$", "\\$");
} else {
return expression;
}
return expression.replace("$$", "$");
}
if ("localRepository".equals(expression)) {

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@ -119,11 +119,12 @@ private File getFile(String pathPattern, String basedirSysProp, String altLocati
basedir = System.getProperty("user.dir");
}
basedir = basedir.replaceAll("\\\\", "/");
basedir = basedir.replaceAll("\\$", "\\\\\\$");
basedir = basedir.replace("\\", "/");
basedir = basedir.replace("$", "\\$");
path = pathPattern.replaceAll("\\$\\{" + basedirSysProp + "\\}", basedir);
path = path.replaceAll("\\\\", "/");
// basedirSysProp is non regexp and basedir too
path = pathPattern.replace("${" + basedirSysProp + "}", basedir);
path = path.replace("\\", "/");
// ---------------------------------------------------------------------------------
// I'm not sure if this last regexp was really intended to disallow the usage of
// network paths as user.home directory. Unfortunately it did. I removed it and

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@ -22,7 +22,6 @@
import java.io.File;
import java.io.FileNotFoundException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.Arrays;
@ -79,7 +78,8 @@ protected File getLocalRepositoryPath() throws FileNotFoundException, URISyntaxE
return markerFile.getAbsoluteFile().getParentFile();
}
protected static File getFileForClasspathResource(String resource) throws FileNotFoundException {
protected static File getFileForClasspathResource(String resource)
throws FileNotFoundException, URISyntaxException {
ClassLoader cloader = Thread.currentThread().getContextClassLoader();
URL resourceUrl = cloader.getResource(resource);
@ -88,7 +88,7 @@ protected static File getFileForClasspathResource(String resource) throws FileNo
throw new FileNotFoundException("Unable to find: " + resource);
}
return new File(URI.create(resourceUrl.toString().replaceAll(" ", "%20")));
return new File(resourceUrl.toURI());
}
protected ArtifactRepository getLocalRepository() throws Exception {

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@ -175,6 +175,8 @@ public class MavenCli {
private CLIManager cliManager;
private static final Pattern NEXT_LINE = Pattern.compile("\r?\n");
public MavenCli() {
this(null);
}
@ -985,7 +987,7 @@ private void logSummary(
}
}
String[] lines = msg.split("(\r\n)|(\r)|(\n)");
String[] lines = NEXT_LINE.split(msg);
String currentColor = "";
for (int i = 0; i < lines.length; i++) {

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@ -24,6 +24,7 @@
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.regex.Pattern;
import org.apache.maven.model.Activation;
import org.apache.maven.model.Profile;
@ -43,6 +44,10 @@
@Singleton
public class JdkVersionProfileActivator implements ProfileActivator {
private static final Pattern FILTER_1 = Pattern.compile("[^0-9._-]");
private static final Pattern FILTER_2 = Pattern.compile("[._-]");
private static final Pattern FILTER_3 = Pattern.compile("\\."); // used for split now
@Override
public boolean isActive(Profile profile, ProfileActivationContext context, ModelProblemCollector problems) {
Activation activation = profile.getActivation();
@ -110,10 +115,10 @@ private static int getRelationOrder(String value, RangeValue rangeValue, boolean
return isLeft ? 1 : -1;
}
value = value.replaceAll("[^0-9\\.\\-\\_]", "");
value = FILTER_1.matcher(value).replaceAll("");
List<String> valueTokens = new ArrayList<>(Arrays.asList(value.split("[\\.\\-\\_]")));
List<String> rangeValueTokens = new ArrayList<>(Arrays.asList(rangeValue.value.split("\\.")));
List<String> valueTokens = new ArrayList<>(Arrays.asList(FILTER_2.split(value)));
List<String> rangeValueTokens = new ArrayList<>(Arrays.asList(FILTER_3.split(rangeValue.value)));
addZeroTokens(valueTokens, 3);
addZeroTokens(rangeValueTokens, 3);

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@ -25,6 +25,7 @@
import java.util.Objects;
import java.util.Optional;
import java.util.function.Function;
import java.util.regex.Pattern;
import org.apache.maven.model.transform.pull.NodeBufferingParser;
import org.codehaus.plexus.util.xml.pull.XmlPullParser;
@ -47,6 +48,8 @@ class ParentXMLFilter extends NodeBufferingParser {
private final Path projectPath;
private static final Pattern S_FILTER = Pattern.compile("\\s+");
/**
* @param relativePathMapper
*/
@ -73,7 +76,7 @@ protected void process(List<Event> buffer) {
hasVersion |= "version".equals(tagName);
hasRelativePath |= "relativePath".equals(tagName);
} else if (event.event == TEXT) {
if (event.text.matches("\\s+")) {
if (S_FILTER.matcher(event.text).matches()) {
if (whitespaceAfterParentStart.isEmpty()) {
whitespaceAfterParentStart = event.text;
}

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@ -20,6 +20,7 @@
import java.util.List;
import java.util.function.BiFunction;
import java.util.regex.Pattern;
import org.apache.maven.model.transform.pull.NodeBufferingParser;
import org.codehaus.plexus.util.xml.pull.XmlPullParser;
@ -34,6 +35,8 @@
public class ReactorDependencyXMLFilter extends NodeBufferingParser {
private final BiFunction<String, String, String> reactorVersionMapper;
private static final Pattern S_FILTER = Pattern.compile("\\s+");
public ReactorDependencyXMLFilter(
XmlPullParser xmlPullParser, BiFunction<String, String, String> reactorVersionMapper) {
super(xmlPullParser, "dependency");
@ -53,7 +56,7 @@ protected void process(List<Event> buffer) {
tagName = event.name;
hasVersion |= "version".equals(tagName);
} else if (event.event == TEXT) {
if (event.text.matches("\\s+")) {
if (S_FILTER.matcher(event.text).matches()) {
if (dependencyWhitespace.isEmpty()) {
dependencyWhitespace = event.text;
}

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@ -19,6 +19,7 @@
package org.apache.maven.model.transform;
import java.util.List;
import java.util.regex.Pattern;
import org.apache.maven.model.transform.pull.NodeBufferingParser;
import org.codehaus.plexus.util.xml.pull.XmlPullParser;
@ -32,6 +33,8 @@
*/
public class RelativePathXMLFilter extends NodeBufferingParser {
private static final Pattern S_FILTER = Pattern.compile("\\s+");
public RelativePathXMLFilter(XmlPullParser xmlPullParser) {
super(xmlPullParser, "parent");
}
@ -42,7 +45,9 @@ protected void process(List<Event> buffer) {
for (Event event : buffer) {
if (event.event == START_TAG && "relativePath".equals(event.name)) {
skip = true;
if (prev != null && prev.event == TEXT && prev.text.matches("\\s+")) {
if (prev != null
&& prev.event == TEXT
&& S_FILTER.matcher(prev.text).matches()) {
prev = null;
}
event = null;

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@ -30,6 +30,7 @@
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.regex.Pattern;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.ArtifactUtils;
@ -49,6 +50,8 @@ public class PluginDescriptor extends ComponentSetDescriptor implements Cloneabl
private static final String LIFECYCLE_DESCRIPTOR = "META-INF/maven/lifecycle.xml";
private static final Pattern PATTERN_FILTER_1 = Pattern.compile("-?(maven|plugin)-?");
private String groupId;
private String artifactId;
@ -166,7 +169,7 @@ public static String getGoalPrefixFromArtifactId(String artifactId) {
if ("maven-plugin-plugin".equals(artifactId)) {
return "plugin";
} else {
return artifactId.replaceAll("-?maven-?", "").replaceAll("-?plugin-?", "");
return PATTERN_FILTER_1.matcher(artifactId).replaceAll("");
}
}

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@ -25,6 +25,7 @@
import java.util.HashSet;
import java.util.Locale;
import java.util.Set;
import java.util.regex.Pattern;
import org.apache.maven.artifact.repository.metadata.Metadata;
import org.eclipse.aether.artifact.DefaultArtifact;
@ -37,6 +38,8 @@
public class RemoteSnapshotMetadataTest {
private Locale defaultLocale;
private static final Pattern DATE_FILTER = Pattern.compile("\\..*");
@BeforeEach
public void setLocaleToUseBuddhistCalendar() {
defaultLocale = Locale.getDefault();
@ -66,7 +69,7 @@ public void gregorianCalendarIsUsed() {
String dateAfter = gregorianDate();
String ts = metadata.metadata.getVersioning().getSnapshot().getTimestamp();
String datePart = ts.replaceAll("\\..*", "");
String datePart = DATE_FILTER.matcher(ts).replaceAll("");
/* Allow for this test running across midnight */
Set<String> expected = new HashSet<>(Arrays.asList(dateBefore, dateAfter));

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@ -24,6 +24,7 @@
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.regex.Pattern;
import org.apache.maven.settings.Mirror;
import org.apache.maven.settings.Profile;
@ -42,11 +43,10 @@
@Singleton
public class DefaultSettingsValidator implements SettingsValidator {
private static final String ID_REGEX = "[A-Za-z0-9_\\-.]+";
private static final String ID = "[\\w.-]+";
private static final Pattern ID_REGEX = Pattern.compile(ID);
private static final String ILLEGAL_FS_CHARS = "\\/:\"<>|?*";
private static final String ILLEGAL_REPO_ID_CHARS = ILLEGAL_FS_CHARS;
private static final String ILLEGAL_REPO_ID_CHARS = "\\/:\"<>|?*"; // ILLEGAL_FS_CHARS
@Override
public void validate(Settings settings, SettingsProblemCollector problems) {
@ -63,13 +63,13 @@ public void validate(Settings settings, SettingsProblemCollector problems) {
if (StringUtils.isBlank(pluginGroup)) {
addViolation(
problems, Severity.ERROR, "pluginGroups.pluginGroup[" + i + "]", null, "must not be empty");
} else if (!pluginGroup.matches(ID_REGEX)) {
} else if (!ID_REGEX.matcher(pluginGroup).matches()) {
addViolation(
problems,
Severity.ERROR,
"pluginGroups.pluginGroup[" + i + "]",
null,
"must denote a valid group id and match the pattern " + ID_REGEX);
"must denote a valid group id and match the pattern " + ID);
}
}
}