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com.liferay.source.formatter.check.BaseJSPTermsCheck 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.portal.kernel.util.StringUtil;
import com.liferay.portal.kernel.util.Validator;
import com.liferay.portal.tools.ToolsUtil;
import com.liferay.source.formatter.check.util.JSPSourceUtil;
import com.liferay.source.formatter.check.util.SourceUtil;
import com.liferay.source.formatter.util.SourceFormatterUtil;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* @author Hugo Huijser
*/
public abstract class BaseJSPTermsCheck extends BaseFileCheck {
@Override
public void setAllFileNames(List allFileNames) {
_allFileNames = allFileNames;
}
protected Map getContentsMap() {
return _contentsMap;
}
protected Set getMissingTaglibPrefixes(
String fileName, Set taglibPrefixes) {
List dependentfileNames = new ArrayList<>();
dependentfileNames.add(fileName);
Map contentsMap = getContentsMap();
dependentfileNames = JSPSourceUtil.addIncludedAndReferencedFileNames(
dependentfileNames, new HashSet(), contentsMap,
".*\\.jspf");
if (fileName.endsWith(".jspf") && (dependentfileNames.size() == 1)) {
return Collections.emptySet();
}
for (String dependentfileName : dependentfileNames) {
dependentfileName = StringUtil.replace(
dependentfileName, CharPool.BACK_SLASH, CharPool.SLASH);
String dependenFileContent = contentsMap.get(dependentfileName);
if (dependenFileContent == null) {
return Collections.emptySet();
}
Iterator iterator = taglibPrefixes.iterator();
while (iterator.hasNext()) {
String prefix = iterator.next();
if (dependenFileContent.contains("prefix=\"" + prefix + "\"")) {
iterator.remove();
if (taglibPrefixes.isEmpty()) {
return taglibPrefixes;
}
}
}
}
return taglibPrefixes;
}
protected boolean hasUnusedJSPTerm(
String fileName, String content, String regex, int lineNumber,
String type, Set checkedForIncludesFileNames,
Set includeFileNames, Map contentsMap) {
includeFileNames.add(fileName);
Set checkedForUnusedJSPTerm = new HashSet<>();
return !_isJSPTermRequired(
fileName, content, regex, lineNumber, type, checkedForUnusedJSPTerm,
checkedForIncludesFileNames, includeFileNames, contentsMap);
}
protected boolean hasUnusedJSPTerm(
String fileName, String content, String regex, String type,
Set checkedForIncludesFileNames, Set includeFileNames,
Map contentsMap) {
return hasUnusedJSPTerm(
fileName, content, regex, -1, type, checkedForIncludesFileNames,
includeFileNames, contentsMap);
}
protected boolean hasVariableReference(
String content, String value, int pos) {
if (pos == -1) {
return false;
}
pos = content.indexOf("\n", pos);
Matcher methodCallMatcher = _methodCallPattern.matcher(value);
while (methodCallMatcher.find()) {
Pattern pattern = Pattern.compile(
"\\b(? pos) {
break;
}
String methodName = matcher.group(1);
if (!methodName.startsWith("get") &&
!methodName.startsWith("is")) {
return true;
}
}
}
return false;
}
protected synchronized void populateContentsMap(
String fileName, String content)
throws IOException {
if (_contentsMap != null) {
return;
}
List allJSPFileNames = SourceFormatterUtil.filterFileNames(
_allFileNames, new String[] {"**/null.jsp", "**/tools/**"},
new String[] {"**/*.jsp", "**/*.jspf", "**/*.tag"},
getSourceFormatterExcludes(), true);
_contentsMap = JSPSourceUtil.getContentsMap(allJSPFileNames);
// When running tests, the contentsMap is empty, because the file
// extension of the test files is *.testjsp
if (_contentsMap.isEmpty()) {
_contentsMap.put(fileName, content);
}
}
protected void put(String fileName, String content) {
_contentsMap.put(fileName, content);
}
private String _getRangeContent(String content, int lineNumber) {
String line = getLine(content, lineNumber);
String indent = SourceUtil.getIndent(line);
if (indent.length() == 0) {
return content;
}
int curLineNumber = lineNumber - 1;
while (true) {
if (curLineNumber == 0) {
break;
}
String trimmedLine = StringUtil.trim(
getLine(content, curLineNumber));
if (trimmedLine.equals("<%")) {
break;
}
if (trimmedLine.equals("<%!")) {
return content;
}
curLineNumber--;
}
StringBundler sb = new StringBundler();
sb.append("<%\n");
sb.append(line);
while (true) {
lineNumber++;
line = getLine(content, lineNumber);
if (line == null) {
if (indent.length() == 0) {
return sb.toString();
}
return content;
}
if (Validator.isNotNull(line) && !line.startsWith(indent)) {
String trimmedLine = StringUtil.trim(line);
if (trimmedLine.startsWith("}")) {
sb.append("%>/n");
return sb.toString();
}
if (trimmedLine.matches("")) {
return sb.toString();
}
if (trimmedLine.matches("")) {
indent = indent.substring(1);
}
}
sb.append(line);
sb.append("\n");
}
}
private boolean _isInsideComment(String content, int pos) {
String s = content.substring(pos);
int x = s.indexOf("*/");
if (x == -1) {
return false;
}
s = s.substring(0, x);
if (!s.contains("/*")) {
return true;
}
return false;
}
private boolean _isJSPTermRequired(
String fileName, String content, String regex, int lineNumber,
String type, Set checkedForUnusedJSPTerm,
Set checkedForIncludesFileNames, Set includeFileNames,
Map contentsMap) {
if (checkedForUnusedJSPTerm.contains(fileName)) {
return false;
}
checkedForUnusedJSPTerm.add(fileName);
if (content == null) {
content = contentsMap.get(fileName);
}
if (Validator.isNull(content)) {
return false;
}
if (lineNumber != -1) {
content = _getRangeContent(content, lineNumber);
}
int count = 0;
Pattern pattern = Pattern.compile(regex);
Matcher matcher = pattern.matcher(content);
while (matcher.find()) {
if (type.equals("taglib")) {
count++;
continue;
}
int x = matcher.start() + 1;
if (_isInsideComment(content, x)) {
continue;
}
if (isJavaSource(content, x)) {
if (!ToolsUtil.isInsideQuotes(content, x)) {
count++;
}
continue;
}
String line = StringUtil.trim(
getLine(content, getLineNumber(content, matcher.start())));
if (line.startsWith("function ")) {
continue;
}
int y = content.lastIndexOf("<%", x) + 2;
int z = content.lastIndexOf("%>", x);
if ((y == 1) || (z > y)) {
continue;
}
z = content.indexOf("%>", x);
if ((z == -1) ||
(getLineNumber(content, y) != getLineNumber(content, z)) ||
!ToolsUtil.isInsideQuotes(
content.substring(y, z), x - y, false)) {
count++;
}
}
if ((count > 1) ||
((count == 1) &&
(!type.equals("variable") ||
(checkedForUnusedJSPTerm.size() > 1)))) {
return true;
}
if (!checkedForIncludesFileNames.contains(fileName)) {
includeFileNames.addAll(
JSPSourceUtil.getJSPIncludeFileNames(
fileName, includeFileNames, contentsMap, false));
includeFileNames.addAll(
JSPSourceUtil.getJSPReferenceFileNames(
fileName, includeFileNames, contentsMap,
".*\\.(jsp|jspf|tag)"));
}
checkedForIncludesFileNames.add(fileName);
String[] includeFileNamesArray = includeFileNames.toArray(
new String[0]);
for (String includeFileName : includeFileNamesArray) {
if (!checkedForUnusedJSPTerm.contains(includeFileName) &&
_isJSPTermRequired(
includeFileName, null, regex, -1, type,
checkedForUnusedJSPTerm, checkedForIncludesFileNames,
includeFileNames, contentsMap)) {
return true;
}
}
return false;
}
private static final Pattern _methodCallPattern = Pattern.compile(
"\\b(? _allFileNames;
private Map _contentsMap;
}
