com.liferay.source.formatter.checks.util.JSPSourceUtil Maven / Gradle / Ivy
/**
* Copyright (c) 2000-present Liferay, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*/
package com.liferay.source.formatter.checks.util;
import com.liferay.petra.string.CharPool;
import com.liferay.petra.string.StringPool;
import com.liferay.portal.kernel.util.ListUtil;
import com.liferay.portal.kernel.util.StringUtil;
import com.liferay.portal.kernel.util.Validator;
import com.liferay.source.formatter.util.FileUtil;
import java.io.File;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* @author Hugo Huijser
*/
public class JSPSourceUtil {
public static List addIncludedAndReferencedFileNames(
List fileNames, Set checkedFileNames,
Map contentsMap) {
Set includedAndReferencedFileNames = new HashSet<>();
for (String fileName : fileNames) {
if (!checkedFileNames.add(fileName)) {
continue;
}
fileName = StringUtil.replace(
fileName, CharPool.BACK_SLASH, CharPool.SLASH);
includedAndReferencedFileNames.addAll(
getJSPIncludeFileNames(fileName, fileNames, contentsMap));
includedAndReferencedFileNames.addAll(
getJSPReferenceFileNames(fileName, fileNames, contentsMap));
}
if (includedAndReferencedFileNames.isEmpty()) {
return fileNames;
}
for (String fileName : includedAndReferencedFileNames) {
fileName = StringUtil.replace(
fileName, CharPool.SLASH, CharPool.BACK_SLASH);
if (!fileNames.contains(fileName)) {
fileNames.add(fileName);
}
}
return addIncludedAndReferencedFileNames(
fileNames, checkedFileNames, contentsMap);
}
public static String buildFullPathIncludeFileName(
String fileName, String includeFileName,
Map contentsMap) {
String path = fileName;
while (true) {
int y = path.lastIndexOf(CharPool.SLASH);
if (y == -1) {
return StringPool.BLANK;
}
String fullPathIncludeFileName =
path.substring(0, y) + includeFileName;
if (contentsMap.containsKey(fullPathIncludeFileName) &&
!fullPathIncludeFileName.equals(fileName)) {
return fullPathIncludeFileName;
}
path = path.substring(0, y);
}
}
public static String compressImportsOrTaglibs(
String fileName, String content, String attributePrefix) {
int x = content.indexOf(attributePrefix);
int y = content.lastIndexOf(attributePrefix);
y = content.indexOf("%>", y);
if ((x == -1) || (y == -1) || (x > y)) {
return content;
}
String importsOrTaglibs = content.substring(x, y);
importsOrTaglibs = StringUtil.replace(
importsOrTaglibs, new String[] {"%>\r\n<%@ ", "%>\n<%@ "},
new String[] {"%><%@\r\n", "%><%@\n"});
return content.substring(0, x) + importsOrTaglibs +
content.substring(y);
}
public static Map getContentsMap(List fileNames)
throws Exception {
Map contentsMap = new ConcurrentHashMap<>();
if (ListUtil.isEmpty(fileNames)) {
return contentsMap;
}
for (String fileName : fileNames) {
fileName = StringUtil.replace(
fileName, CharPool.BACK_SLASH, CharPool.SLASH);
File file = new File(fileName);
String content = FileUtil.read(file);
if (content == null) {
continue;
}
Matcher matcher = _includeFilePattern.matcher(content);
while (matcher.find()) {
content = StringUtil.replaceFirst(
content, matcher.group(),
"@ include file=\"" + matcher.group(1) + "\"",
matcher.start());
}
contentsMap.put(fileName, content);
}
return contentsMap;
}
public static Set getJSPIncludeFileNames(
String fileName, Collection fileNames,
Map contentsMap) {
Set includeFileNames = new HashSet<>();
String content = contentsMap.get(fileName);
if (Validator.isNull(content)) {
return includeFileNames;
}
for (int x = -1;;) {
x = content.indexOf("<%@ include file=", x + 1);
if (x == -1) {
break;
}
Matcher matcher = _javaCodeTagPattern.matcher(content);
if (matcher.find() && (matcher.start() == x)) {
continue;
}
x = content.indexOf(CharPool.QUOTE, x);
if (x == -1) {
break;
}
int y = content.indexOf(CharPool.QUOTE, x + 1);
if (y == -1) {
break;
}
String includeFileName = content.substring(x + 1, y);
if (!includeFileName.startsWith(StringPool.SLASH)) {
includeFileName = StringPool.SLASH + includeFileName;
}
matcher = _jspIncludeFilePattern.matcher(includeFileName);
if (!matcher.find()) {
throw new RuntimeException(
"Invalid include " + includeFileName);
}
String extension = matcher.group(1);
if (extension.equals("svg")) {
continue;
}
includeFileName = buildFullPathIncludeFileName(
fileName, includeFileName, contentsMap);
if ((includeFileName.endsWith("jsp") ||
includeFileName.endsWith("jspf") ||
includeFileName.endsWith("tag")) &&
!fileNames.contains(includeFileName)) {
includeFileNames.add(includeFileName);
}
}
return includeFileNames;
}
public static Set getJSPReferenceFileNames(
String fileName, Collection fileNames,
Map contentsMap) {
Set referenceFileNames = new HashSet<>();
if (!fileName.endsWith("init.jsp") && !fileName.endsWith("init.jspf") &&
!fileName.endsWith("init.tag") &&
!fileName.contains("init-ext.jsp")) {
return referenceFileNames;
}
for (Map.Entry entry : contentsMap.entrySet()) {
String referenceFileName = entry.getKey();
if (fileNames.contains(referenceFileName)) {
continue;
}
String sharedPath = fileName.substring(
0, StringUtil.startsWithWeight(referenceFileName, fileName));
if (Validator.isNull(sharedPath) ||
!sharedPath.contains(StringPool.SLASH)) {
continue;
}
if (!sharedPath.endsWith(StringPool.SLASH)) {
sharedPath = sharedPath.substring(
0, sharedPath.lastIndexOf(CharPool.SLASH) + 1);
}
String content = null;
for (int x = -1;;) {
x = sharedPath.indexOf(CharPool.SLASH, x + 1);
if (x == -1) {
break;
}
if (content == null) {
content = entry.getValue();
}
if (content.contains(
"<%@ include file=\"" + fileName.substring(x)) ||
content.contains(
"<%@ include file=\"" + fileName.substring(x + 1))) {
referenceFileNames.add(referenceFileName);
break;
}
}
}
return referenceFileNames;
}
public static boolean isJavaSource(String content, int pos) {
return isJavaSource(content, pos, false);
}
public static boolean isJavaSource(
String content, int pos, boolean checkInsideTags) {
String s = content.substring(pos);
Matcher matcher = _javaEndTagPattern.matcher(s);
if (matcher.find()) {
s = s.substring(0, matcher.start());
matcher = _javaStartTagPattern.matcher(s);
if (!matcher.find()) {
return true;
}
}
if (!checkInsideTags) {
return false;
}
int x = content.indexOf(CharPool.NEW_LINE, pos);
if (x == -1) {
return false;
}
s = content.substring(pos, x);
int y = s.indexOf("%>");
if (y == -1) {
return false;
}
s = s.substring(0, y);
if (!s.contains("<%")) {
return true;
}
return false;
}
private static final Pattern _includeFilePattern = Pattern.compile(
"\\s*@\\s*include\\s*file=['\"](.*)['\"]");
private static final Pattern _javaCodeTagPattern = Pattern.compile(
"<%\\s*[@=\n]");
private static final Pattern _javaEndTagPattern = Pattern.compile(
"[\n\t]%>(\n|\\Z)");
private static final Pattern _javaStartTagPattern = Pattern.compile(
"[\n\t]<%\\!?\n");
private static final Pattern _jspIncludeFilePattern = Pattern.compile(
"/.*\\.(jsp[f]?|svg|tag)");
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