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com.liferay.source.formatter.check.JavaOSGiReferenceCheck Maven / Gradle / Ivy
/**
* SPDX-FileCopyrightText: (c) 2000 Liferay, Inc. https://liferay.com
* SPDX-License-Identifier: LGPL-2.1-or-later OR LicenseRef-Liferay-DXP-EULA-2.0.0-2023-06
*/
package com.liferay.source.formatter.check;
import com.liferay.petra.string.CharPool;
import com.liferay.petra.string.StringBundler;
import com.liferay.petra.string.StringPool;
import com.liferay.portal.kernel.util.StringUtil;
import com.liferay.portal.kernel.util.Validator;
import com.liferay.source.formatter.BNDSettings;
import com.liferay.source.formatter.check.util.JavaSourceUtil;
import com.liferay.source.formatter.parser.JavaClass;
import com.liferay.source.formatter.parser.JavaClassParser;
import com.liferay.source.formatter.parser.JavaTerm;
import com.liferay.source.formatter.util.FileUtil;
import java.io.File;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CopyOnWriteArraySet;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* @author Hugo Huijser
*/
public class JavaOSGiReferenceCheck extends BaseFileCheck {
@Override
public boolean isModuleSourceCheck() {
return true;
}
@Override
protected String doProcess(
String fileName, String absolutePath, String content)
throws Exception {
if (!content.contains("@Component")) {
return content;
}
String packageName = JavaSourceUtil.getPackageName(content);
if (!packageName.startsWith("com.liferay")) {
return content;
}
_checkMissingReference(fileName, content);
String moduleSuperClassContent = _getModuleSuperClassContent(
content, JavaSourceUtil.getClassName(fileName), packageName);
content = _formatDuplicateReferenceMethods(
fileName, content, moduleSuperClassContent);
if (!isExcludedPath("service.reference.util.excludes", absolutePath)) {
for (String serviceProxyFactoryUtilClassName :
_getServiceProxyFactoryUtilClassNames()) {
_checkUtilUsage(
fileName, content, serviceProxyFactoryUtilClassName,
moduleSuperClassContent);
}
}
List serviceReferenceUtilClassNames = getAttributeValues(
_SERVICE_REFERENCE_UTIL_CLASS_NAMES_KEY, absolutePath);
for (String serviceReferenceUtilClassName :
serviceReferenceUtilClassNames) {
_checkUtilUsage(
fileName, content, serviceReferenceUtilClassName,
moduleSuperClassContent);
}
_checkUnnecessaryVariableInjection(fileName, absolutePath, content);
return content;
}
private void _checkMissingReference(String fileName, String content) {
String moduleServicePackageName = null;
Matcher matcher = _serviceUtilImportPattern.matcher(content);
while (matcher.find()) {
String serviceUtilClassName = matcher.group(2);
if (serviceUtilClassName.equals("IdentifiableOSGiServiceUtil") ||
serviceUtilClassName.equals("SystemExecutorServiceUtil")) {
continue;
}
if (moduleServicePackageName == null) {
moduleServicePackageName = _getModuleServicePackageName(
fileName);
}
if (Validator.isNotNull(moduleServicePackageName)) {
String serviceUtilClassPackageName = matcher.group(1);
if (serviceUtilClassPackageName.startsWith(
moduleServicePackageName)) {
continue;
}
}
addMessage(
fileName,
"Use @Reference instead of calling " + serviceUtilClassName +
" directly");
}
}
private void _checkUnnecessaryVariableInjection(
String fileName, String absolutePath, String content)
throws Exception {
if (!absolutePath.contains("-service/") ||
!absolutePath.contains("/service/impl/") ||
!fileName.endsWith("ServiceImpl.java")) {
return;
}
BNDSettings bndSettings = getBNDSettings(fileName);
String bndSettingsContent = bndSettings.getContent();
if (!bndSettingsContent.contains("-dsannotations-options: inherit")) {
return;
}
String serviceBaseClassPath = StringUtil.replace(
absolutePath, new String[] {"/service/impl/", "Impl.java"},
new String[] {"/service/base/", "BaseImpl.java"});
File file = new File(serviceBaseClassPath);
if (!file.exists()) {
return;
}
JavaClass serviceBaseJavaClass = JavaClassParser.parseJavaClass(
serviceBaseClassPath, FileUtil.read(file));
JavaClass javaClass = JavaClassParser.parseJavaClass(fileName, content);
for (JavaTerm javaTerm : javaClass.getChildJavaTerms()) {
if (!javaTerm.hasAnnotation() || !javaTerm.isJavaVariable() ||
!javaTerm.isPrivate()) {
continue;
}
String fieldTypeClassName = _getFieldTypeClassName(
javaTerm, JavaTerm.ACCESS_MODIFIER_PRIVATE, javaClass);
if (Validator.isNull(fieldTypeClassName)) {
continue;
}
for (JavaTerm serviceBaseJavaTerm :
serviceBaseJavaClass.getChildJavaTerms()) {
if (!serviceBaseJavaTerm.hasAnnotation() ||
!serviceBaseJavaTerm.isJavaVariable() ||
!serviceBaseJavaTerm.isProtected()) {
continue;
}
String serviceBaseFieldTypeClassName = _getFieldTypeClassName(
serviceBaseJavaTerm, JavaTerm.ACCESS_MODIFIER_PROTECTED,
serviceBaseJavaClass);
if (Validator.isNotNull(serviceBaseFieldTypeClassName) &&
fieldTypeClassName.equals(serviceBaseFieldTypeClassName)) {
addMessage(
fileName,
"Use super class variable '" +
serviceBaseJavaTerm.getName() +
"' instead of injection",
javaTerm.getLineNumber());
}
}
}
}
private void _checkUtilUsage(
String fileName, String content,
String serviceReferenceUtilClassName,
String moduleSuperClassContent)
throws Exception {
if (!content.contains(serviceReferenceUtilClassName) ||
(Validator.isNotNull(moduleSuperClassContent) &&
moduleSuperClassContent.contains("@Component"))) {
return;
}
int pos = serviceReferenceUtilClassName.lastIndexOf(StringPool.PERIOD);
String shortClassName = serviceReferenceUtilClassName.substring(
pos + 1);
JavaClass javaClass = JavaClassParser.parseJavaClass(fileName, content);
for (JavaTerm javaTerm : javaClass.getChildJavaTerms()) {
if (!javaTerm.isStatic() &&
(javaTerm.isJavaConstructor() || javaTerm.isJavaMethod()) &&
!javaTerm.hasAnnotation("Reference")) {
String javaTermContent = javaTerm.getContent();
if (javaTermContent.matches(
StringBundler.concat(
"(?s).*", shortClassName, "\\.(?!class).*"))) {
addMessage(
fileName,
"Use portal service reference instead of '" +
serviceReferenceUtilClassName + "' in modules");
return;
}
}
}
}
private String _formatDuplicateReferenceMethods(
String fileName, String content, String moduleSuperClassContent)
throws Exception {
if (Validator.isNull(moduleSuperClassContent) ||
!moduleSuperClassContent.contains("@Component") ||
!moduleSuperClassContent.contains("@Reference")) {
return content;
}
Matcher matcher = _referenceMethodPattern.matcher(
moduleSuperClassContent);
boolean bndInheritRequired = false;
while (matcher.find()) {
String referenceMethod = matcher.group();
int pos = content.indexOf(referenceMethod);
if (pos != -1) {
String referenceMethodContent = matcher.group(6);
Matcher referenceMethodContentMatcher =
_referenceMethodContentPattern.matcher(
referenceMethodContent);
if (referenceMethodContentMatcher.find()) {
String variableName = referenceMethodContentMatcher.group(
1);
if (StringUtil.count(content, variableName) > 1) {
continue;
}
}
int x = content.lastIndexOf("\n\n", pos);
int y = pos + referenceMethod.length();
String entireMethod = content.substring(x + 1, y);
content = StringUtil.removeSubstring(content, entireMethod);
bndInheritRequired = true;
}
else {
String referenceMethodModifierAndName = matcher.group(2);
Pattern duplicateReferenceMethodPattern = Pattern.compile(
referenceMethodModifierAndName +
"\\(\\s*([ ,<>\\w]+)\\s+\\w+\\) \\{\\s+([\\s\\S]*?)" +
"\\s*?\n\t\\}\n");
Matcher duplicateReferenceMethodMatcher =
duplicateReferenceMethodPattern.matcher(content);
if (!duplicateReferenceMethodMatcher.find()) {
bndInheritRequired = true;
continue;
}
String methodContent = duplicateReferenceMethodMatcher.group(2);
String referenceMethodName = matcher.group(4);
if (methodContent.startsWith("super." + referenceMethodName)) {
int x = content.lastIndexOf(
"\n\n", duplicateReferenceMethodMatcher.start());
int y = duplicateReferenceMethodMatcher.end();
String entireMethod = content.substring(x + 1, y);
content = StringUtil.removeSubstring(content, entireMethod);
bndInheritRequired = true;
}
}
}
if (bndInheritRequired) {
BNDSettings bndSettings = getBNDSettings(fileName);
String bndSettingsContent = bndSettings.getContent();
if (!bndSettingsContent.contains(
"-dsannotations-options: inherit") &&
_bndFileNames.add(bndSettings.getFileName())) {
addMessage(
fileName,
"Add '-dsannotations-options: inherit' to '" +
bndSettings.getFileName());
}
}
return content;
}
private String _getFieldTypeClassName(
JavaTerm javaTerm, String accessModifier, JavaClass javaClass) {
Pattern pattern = Pattern.compile(
"@Reference\n\t+" + accessModifier + "\\s(\\S+)\\s+(\\S+\\.)?\\w+");
Matcher matcher = pattern.matcher(javaTerm.getContent());
if (!matcher.find()) {
return null;
}
String fieldTypeClassName = matcher.group(1);
if (!fieldTypeClassName.contains(StringPool.PERIOD)) {
fieldTypeClassName = _getFullyQualifiedName(
fieldTypeClassName, javaClass);
}
return fieldTypeClassName;
}
private String _getFullyQualifiedName(
String className, JavaClass javaClass) {
for (String importName : javaClass.getImportNames()) {
if (importName.endsWith(StringPool.PERIOD + className)) {
return importName;
}
}
return javaClass.getPackageName() + StringPool.PERIOD + className;
}
private String _getModuleClassContent(String fullClassName)
throws Exception {
String classContent = _moduleFileContentsMap.get(fullClassName);
if (classContent != null) {
return classContent;
}
Map moduleFileNamesMap = _getModuleFileNamesMap();
String moduleFileName = moduleFileNamesMap.get(fullClassName);
if (moduleFileName == null) {
_moduleFileContentsMap.put(fullClassName, StringPool.BLANK);
return StringPool.BLANK;
}
File file = new File(moduleFileName);
classContent = FileUtil.read(file);
if (classContent != null) {
_moduleFileContentsMap.put(fullClassName, classContent);
}
return classContent;
}
private synchronized Map _getModuleFileNamesMap()
throws Exception {
if (_moduleFileNamesMap != null) {
return _moduleFileNamesMap;
}
_moduleFileNamesMap = new HashMap<>();
List fileNames = new ArrayList<>();
String moduleRootDirLocation = "modules/";
for (int i = 0; i < 6; i++) {
File file = new File(getBaseDirName() + moduleRootDirLocation);
if (file.exists()) {
fileNames = getFileNames(
getBaseDirName() + moduleRootDirLocation, new String[0],
new String[] {"**/*.java"});
break;
}
moduleRootDirLocation = "../" + moduleRootDirLocation;
}
for (String fileName : fileNames) {
String className = StringUtil.replace(
fileName, CharPool.SLASH, CharPool.PERIOD);
int pos = className.lastIndexOf(".com.liferay.");
className = className.substring(pos + 1, fileName.length() - 5);
_moduleFileNamesMap.put(className, fileName);
}
return _moduleFileNamesMap;
}
private String _getModuleServicePackageName(String fileName) {
String serviceDirLocation = fileName;
while (true) {
int pos = serviceDirLocation.lastIndexOf(StringPool.SLASH);
if (pos == -1) {
return StringPool.BLANK;
}
serviceDirLocation = serviceDirLocation.substring(0, pos + 1);
File file = new File(serviceDirLocation + "service");
if (file.exists()) {
serviceDirLocation = serviceDirLocation + "service";
break;
}
file = new File(serviceDirLocation + "liferay");
if (file.exists()) {
return StringPool.BLANK;
}
serviceDirLocation = StringUtil.replaceLast(
serviceDirLocation, CharPool.SLASH, StringPool.BLANK);
}
serviceDirLocation = StringUtil.replace(
serviceDirLocation, CharPool.SLASH, CharPool.PERIOD);
int pos = serviceDirLocation.lastIndexOf(".com.");
return serviceDirLocation.substring(pos + 1);
}
private String _getModuleSuperClassContent(
String content, String className, String packageName)
throws Exception {
Pattern pattern = Pattern.compile(
" class " + className + "\\s+extends\\s+([\\w.]+) ");
Matcher matcher = pattern.matcher(content);
if (!matcher.find()) {
return null;
}
String superClassName = matcher.group(1);
if (superClassName.contains(StringPool.PERIOD)) {
if (!superClassName.startsWith("com.liferay")) {
return null;
}
return _getModuleClassContent(superClassName);
}
String superClassPackageName = packageName;
pattern = Pattern.compile("\nimport (.+?)\\." + superClassName + ";");
matcher = pattern.matcher(content);
if (matcher.find()) {
superClassPackageName = matcher.group(1);
}
if (!superClassPackageName.startsWith("com.liferay")) {
return null;
}
String superClassFullClassName =
superClassPackageName + StringPool.PERIOD + superClassName;
return _getModuleClassContent(superClassFullClassName);
}
private synchronized List _getServiceProxyFactoryUtilClassNames()
throws Exception {
if (_serviceProxyFactoryUtilClassNames != null) {
return _serviceProxyFactoryUtilClassNames;
}
if (!isPortalSource()) {
_serviceProxyFactoryUtilClassNames = Collections.emptyList();
return _serviceProxyFactoryUtilClassNames;
}
String portalKernelLocation = "portal-kernel/";
for (int i = 0; i < (getMaxDirLevel() - 1); i++) {
File file = new File(getBaseDirName() + portalKernelLocation);
if (!file.exists()) {
portalKernelLocation = "../" + portalKernelLocation;
continue;
}
_serviceProxyFactoryUtilClassNames = new ArrayList<>();
List utilFileNames = getFileNames(
getBaseDirName() + portalKernelLocation, new String[0],
new String[] {"**/*Util.java"});
for (String fileName : utilFileNames) {
String content = FileUtil.read(new File(fileName));
if (content.contains(
"com.liferay.portal.kernel.util.ServiceProxyFactory")) {
_serviceProxyFactoryUtilClassNames.add(
JavaSourceUtil.getPackageName(content) + "." +
JavaSourceUtil.getClassName(fileName));
}
}
return _serviceProxyFactoryUtilClassNames;
}
_serviceProxyFactoryUtilClassNames = Collections.emptyList();
return _serviceProxyFactoryUtilClassNames;
}
private static final String _SERVICE_REFERENCE_UTIL_CLASS_NAMES_KEY =
"serviceReferenceUtilClassNames";
private static final Pattern _referenceMethodContentPattern =
Pattern.compile("^(\\w+) =\\s+\\w+;$");
private static final Pattern _referenceMethodPattern = Pattern.compile(
"\n\t@Reference([\\s\\S]*?)\\s+((protected|public) void (\\w+?))\\(" +
"\\s*([ ,<>?\\w]+)\\s+\\w+\\) \\{\\s+([\\s\\S]*?)\\s*?\n\t\\}\n");
private static final Pattern _serviceUtilImportPattern = Pattern.compile(
"\nimport ([A-Za-z1-9\\.]*)\\.([A-Za-z1-9]*ServiceUtil);");
private final Set _bndFileNames = new CopyOnWriteArraySet<>();
private final Map _moduleFileContentsMap =
new ConcurrentHashMap<>();
private Map _moduleFileNamesMap;
private List _serviceProxyFactoryUtilClassNames;
}
