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com.liferay.source.formatter.checks.JavaCombineLinesCheck 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;
import com.liferay.petra.string.CharPool;
import com.liferay.petra.string.StringPool;
import com.liferay.portal.kernel.io.unsync.UnsyncBufferedReader;
import com.liferay.portal.kernel.io.unsync.UnsyncStringReader;
import com.liferay.portal.kernel.util.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.checks.util.JavaSourceUtil;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* @author Hugo Huijser
*/
public class JavaCombineLinesCheck extends BaseFileCheck {
@Override
protected String doProcess(
String fileName, String absolutePath, String content)
throws Exception {
try (UnsyncBufferedReader unsyncBufferedReader =
new UnsyncBufferedReader(new UnsyncStringReader(content))) {
String line = null;
String previousLine = StringPool.BLANK;
int lineCount = 0;
while ((line = unsyncBufferedReader.readLine()) != null) {
lineCount++;
if (line.startsWith("import ") || line.startsWith("package ") ||
line.matches("\\s*\\*.*")) {
previousLine = line;
continue;
}
int lineLength = getLineLength(line);
if (lineLength > getMaxLineLength()) {
previousLine = line;
continue;
}
int lineLeadingTabCount = getLeadingTabCount(line);
int previousLineLeadingTabCount = getLeadingTabCount(
previousLine);
String trimmedLine = StringUtil.trimLeading(line);
int pos = line.indexOf(StringPool.DOUBLE_SLASH);
if (((pos == -1) || ToolsUtil.isInsideQuotes(line, pos)) &&
!trimmedLine.startsWith(StringPool.STAR)) {
String strippedQuotesLine = stripQuotes(trimmedLine);
String indent = StringPool.BLANK;
if (!trimmedLine.startsWith(StringPool.CLOSE_CURLY_BRACE) &&
strippedQuotesLine.contains(
StringPool.CLOSE_CURLY_BRACE)) {
if ((getLevel(strippedQuotesLine, "{", "}") < 0) &&
(lineLeadingTabCount > 0)) {
for (int i = 0; i < lineLeadingTabCount - 1; i++) {
indent += StringPool.TAB;
}
int x = line.lastIndexOf(
CharPool.CLOSE_CURLY_BRACE);
content = StringUtil.replace(
content, "\n" + line + "\n",
StringBundler.concat(
"\n", line.substring(0, x), "\n", indent,
line.substring(x), "\n"));
return content;
}
}
if (!previousLine.contains("\tthrows ") &&
!previousLine.contains(" throws ") &&
(previousLineLeadingTabCount ==
(lineLeadingTabCount - 1))) {
int x = -1;
while (true) {
x = previousLine.indexOf(", ", x + 1);
if (x == -1) {
break;
}
if (ToolsUtil.isInsideQuotes(previousLine, x)) {
continue;
}
String linePart = previousLine.substring(0, x);
linePart = stripQuotes(linePart);
if ((getLevel(linePart, "(", ")") != 0) ||
(getLevel(linePart, "<", ">") != 0)) {
continue;
}
linePart = previousLine.substring(x);
linePart = stripQuotes(linePart, CharPool.QUOTE);
if ((getLevel(linePart, "(", ")") != 0) ||
(getLevel(linePart, "<", ">") != 0)) {
continue;
}
if (Validator.isNull(indent)) {
for (int i = 0; i < lineLeadingTabCount - 1;
i++) {
indent += StringPool.TAB;
}
}
content = StringUtil.replace(
content, "\n" + previousLine + "\n",
StringBundler.concat(
"\n", previousLine.substring(0, x + 1),
"\n", indent, previousLine.substring(x + 2),
"\n"));
return content;
}
}
}
String combinedLinesContent = _getCombinedLinesContent(
content, fileName, absolutePath, line, trimmedLine,
lineLength, lineCount, previousLine, lineLeadingTabCount,
previousLineLeadingTabCount);
if ((combinedLinesContent != null) &&
!combinedLinesContent.equals(content)) {
return combinedLinesContent;
}
previousLine = line;
}
}
content = _getCombinedLinesContent(content);
content = _getCombinedLinesContent(content, _combinedLinesPattern1);
content = _getCombinedLinesContent(content, _combinedLinesPattern2);
return content;
}
private String _getCombinedLinesContent(String content) {
Matcher matcher = _combinedLinesPattern3.matcher(content);
content = matcher.replaceAll("$1 $3");
matcher = _combinedLinesPattern4.matcher(content);
content = matcher.replaceAll("$1 $3");
matcher = _combinedLinesPattern5.matcher(content);
while (matcher.find()) {
if (getLevel(matcher.group()) != 0) {
continue;
}
String replacement =
matcher.group(1) + StringPool.SPACE + matcher.group(4);
int lineLength = getLineLength(
replacement.substring(1, replacement.length() - 1));
if (lineLength <= getMaxLineLength()) {
return StringUtil.replace(
content, matcher.group(), replacement);
}
}
return content;
}
private String _getCombinedLinesContent(String content, Pattern pattern) {
Matcher matcher = pattern.matcher(content);
while (matcher.find()) {
String tabs = matcher.group(1);
int x = matcher.start(1);
String openChar = matcher.group(matcher.groupCount());
int y = -1;
if (openChar.equals(StringPool.OPEN_CURLY_BRACE)) {
y = content.indexOf(
StringPool.NEW_LINE + tabs + StringPool.CLOSE_CURLY_BRACE,
x);
}
else if (openChar.equals(StringPool.OPEN_PARENTHESIS)) {
y = content.indexOf(
StringPool.NEW_LINE + tabs + StringPool.CLOSE_PARENTHESIS,
x);
}
y = content.indexOf(CharPool.NEW_LINE, y + 1);
if (y < x) {
return content;
}
String match = content.substring(x, y);
String replacement = match;
while (replacement.contains("\n\t")) {
replacement = StringUtil.replace(replacement, "\n\t", "\n");
}
replacement = StringUtil.replace(
replacement, new String[] {",\n", "\n"},
new String[] {StringPool.COMMA_AND_SPACE, StringPool.BLANK});
if (getLineLength(replacement) <= getMaxLineLength()) {
return _getCombinedLinesContent(
StringUtil.replace(content, match, replacement), pattern);
}
}
return content;
}
private String _getCombinedLinesContent(
String content, String line, String trimmedLine, int lineLength,
int lineCount, String previousLine, String linePart,
boolean addToPreviousLine, boolean extraSpace,
int numNextLinesRemoveLeadingTab) {
int previousLineStartPos = getLineStartPos(content, lineCount - 1);
if (linePart == null) {
String combinedLine = previousLine;
if (extraSpace) {
combinedLine += StringPool.SPACE;
}
combinedLine += trimmedLine;
String nextLine = getLine(content, lineCount + 1);
if (nextLine == null) {
return null;
}
if (numNextLinesRemoveLeadingTab > 0) {
int nextLineStartPos = getLineStartPos(content, lineCount + 1);
for (int i = 0; i < numNextLinesRemoveLeadingTab; i++) {
content = StringUtil.replaceFirst(
content, StringPool.TAB, StringPool.BLANK,
nextLineStartPos);
nextLineStartPos =
content.indexOf(CharPool.NEW_LINE, nextLineStartPos) +
1;
}
}
return StringUtil.replaceFirst(
content, previousLine + "\n" + line, combinedLine,
previousLineStartPos);
}
String firstLine = previousLine;
String secondLine = line;
if (addToPreviousLine) {
if (extraSpace) {
firstLine += StringPool.SPACE;
}
firstLine += linePart;
secondLine = StringUtil.replaceFirst(
line, linePart, StringPool.BLANK);
}
else {
if (((linePart.length() + lineLength) <= getMaxLineLength()) &&
(line.endsWith(StringPool.OPEN_CURLY_BRACE) ||
line.endsWith(StringPool.SEMICOLON))) {
firstLine = StringUtil.replaceLast(
firstLine, StringUtil.trim(linePart), StringPool.BLANK);
if (extraSpace) {
secondLine = StringUtil.replaceLast(
line, StringPool.TAB,
StringPool.TAB + linePart + StringPool.SPACE);
}
else {
secondLine = StringUtil.replaceLast(
line, StringPool.TAB, StringPool.TAB + linePart);
}
}
else {
return null;
}
}
if (numNextLinesRemoveLeadingTab > 0) {
int nextLineStartPos = getLineStartPos(content, lineCount + 1);
for (int i = 0; i < numNextLinesRemoveLeadingTab; i++) {
content = StringUtil.replaceFirst(
content, StringPool.TAB, StringPool.BLANK,
nextLineStartPos);
nextLineStartPos =
content.indexOf(CharPool.NEW_LINE, nextLineStartPos) + 1;
}
}
firstLine = StringUtil.trimTrailing(firstLine);
return StringUtil.replaceFirst(
content, previousLine + "\n" + line, firstLine + "\n" + secondLine,
previousLineStartPos);
}
private String _getCombinedLinesContent(
String content, String fileName, String absolutePath, String line,
String trimmedLine, int lineLength, int lineCount, String previousLine,
int lineTabCount, int previousLineTabCount) {
if (Validator.isNull(line) || Validator.isNull(previousLine) ||
isExcludedPath(
_FIT_ON_SINGLE_LINE_EXCLUDES, absolutePath, lineCount)) {
return null;
}
String trimmedPreviousLine = StringUtil.trimLeading(previousLine);
String strippedQuotesLine = stripQuotes(line);
String strippedQuotesPreviousLine = stripQuotes(previousLine);
if (strippedQuotesLine.contains("// ") ||
strippedQuotesLine.contains("/*") ||
strippedQuotesLine.contains("*/") ||
strippedQuotesPreviousLine.contains("// ") ||
strippedQuotesPreviousLine.contains("/*") ||
strippedQuotesPreviousLine.contains("*/")) {
return null;
}
if (!trimmedPreviousLine.equals("return") &&
previousLine.matches(".*\\w") &&
trimmedLine.startsWith(StringPool.OPEN_PARENTHESIS)) {
return _getCombinedLinesContent(
content, line, trimmedLine, lineLength, lineCount, previousLine,
StringPool.OPEN_PARENTHESIS, true, false, 0);
}
if (trimmedPreviousLine.matches("((else )?if|for|try|while) \\(")) {
return _getCombinedLinesContent(
content, line, trimmedLine, lineLength, lineCount, previousLine,
null, false, false, 0);
}
if (previousLine.endsWith("= new")) {
return _getCombinedLinesContent(
content, line, trimmedLine, lineLength, lineCount, previousLine,
"new", false, true, 0);
}
if (trimmedLine.startsWith("+ ") || trimmedLine.startsWith("- ") ||
trimmedLine.startsWith("|| ") || trimmedLine.startsWith("&& ")) {
int pos = trimmedLine.indexOf(CharPool.SPACE);
String linePart = trimmedLine.substring(0, pos);
return _getCombinedLinesContent(
content, line, trimmedLine, lineLength, lineCount, previousLine,
linePart, true, true, 0);
}
if (previousLine.endsWith("<") && !previousLine.endsWith(" <")) {
return _getCombinedLinesContent(
content, line, trimmedLine, lineLength, lineCount, previousLine,
"<", false, false, 0);
}
int previousLineLength = getLineLength(previousLine);
if ((trimmedLine.length() + previousLineLength) < getMaxLineLength()) {
if (trimmedLine.matches("\\w.*") &&
(Validator.isVariableName(trimmedPreviousLine) ||
(trimmedPreviousLine.matches("\\w+\\[.*\\]") &&
(getLevel(trimmedPreviousLine, "[", "]") == 0)) ||
(trimmedPreviousLine.matches("\\w+<.*>") &&
(getLevel(trimmedPreviousLine, "<", ">") == 0)))) {
return _getCombinedLinesContent(
content, line, trimmedLine, lineLength, lineCount,
previousLine, null, false, true, 0);
}
if (trimmedPreviousLine.startsWith("for ") &&
(previousLine.endsWith(StringPool.COLON) ||
previousLine.endsWith(StringPool.SEMICOLON)) &&
line.endsWith(StringPool.OPEN_CURLY_BRACE)) {
return _getCombinedLinesContent(
content, line, trimmedLine, lineLength, lineCount,
previousLine, null, false, true, 0);
}
if (previousLine.endsWith(">") &&
!trimmedPreviousLine.startsWith("<") &&
(getLevel(previousLine, "<", ">") == 0) &&
!trimmedLine.startsWith("extends") &&
!trimmedLine.startsWith("implements")) {
String beforePrevousLine = getLine(content, lineCount - 2);
if (!beforePrevousLine.endsWith(".")) {
return _getCombinedLinesContent(
content, line, trimmedLine, lineLength, lineCount,
previousLine, null, false, true, 0);
}
}
if (line.endsWith(StringPool.SEMICOLON) &&
!previousLine.endsWith(StringPool.COLON) &&
!previousLine.endsWith(StringPool.OPEN_BRACKET) &&
!previousLine.endsWith(StringPool.OPEN_CURLY_BRACE) &&
!previousLine.endsWith(StringPool.OPEN_PARENTHESIS) &&
!previousLine.endsWith(StringPool.PERIOD) &&
(previousLine.contains("[") || !previousLine.contains("]")) &&
(lineTabCount == (previousLineTabCount + 1))) {
return _getCombinedLinesContent(
content, line, trimmedLine, lineLength, lineCount,
previousLine, null, false, true, 0);
}
if ((trimmedPreviousLine.startsWith("if ") ||
trimmedPreviousLine.startsWith("else ")) &&
(previousLine.endsWith("||") || previousLine.endsWith("&&")) &&
line.endsWith(StringPool.OPEN_CURLY_BRACE)) {
return _getCombinedLinesContent(
content, line, trimmedLine, lineLength, lineCount,
previousLine, null, false, true, 0);
}
if (trimmedLine.startsWith("throws") &&
(line.endsWith(StringPool.OPEN_CURLY_BRACE) ||
line.endsWith(StringPool.SEMICOLON)) &&
(lineTabCount == (previousLineTabCount + 1))) {
return _getCombinedLinesContent(
content, line, trimmedLine, lineLength, lineCount,
previousLine, null, false, true, 0);
}
if (previousLine.endsWith(StringPool.EQUAL) ||
previousLine.endsWith("->")) {
if (line.endsWith(StringPool.OPEN_CURLY_BRACE)) {
addMessage(
fileName,
StringBundler.concat(
"'", trimmedLine, "' should be added to previous ",
"line"),
lineCount);
return null;
}
if ((previousLine.endsWith(" =") ||
previousLine.endsWith(" ->")) &&
line.endsWith(StringPool.OPEN_PARENTHESIS)) {
for (int i = 0;; i++) {
String nextLine = getLine(content, lineCount + i + 1);
if (Validator.isNull(nextLine) ||
nextLine.endsWith(") {")) {
if (trimmedPreviousLine.startsWith("try (") &&
trimmedLine.startsWith("new ") &&
(getLevel(nextLine) == -1)) {
return null;
}
addMessage(
fileName,
StringBundler.concat(
"'", trimmedLine, "' should be added to ",
"previous line"),
lineCount);
return null;
}
if (nextLine.endsWith(") +")) {
return null;
}
if (nextLine.endsWith(StringPool.SEMICOLON)) {
return _getCombinedLinesContent(
content, line, trimmedLine, lineLength,
lineCount, previousLine, null, false, true,
i + 1);
}
}
}
}
if (trimmedPreviousLine.equals("return")) {
for (int i = 0;; i++) {
String nextLine = getLine(content, lineCount + i + 1);
if (nextLine.endsWith(StringPool.SEMICOLON)) {
return _getCombinedLinesContent(
content, line, trimmedLine, lineLength, lineCount,
previousLine, null, false, true, i + 1);
}
}
}
}
if ((trimmedLine.length() + previousLineLength) <= getMaxLineLength()) {
if (previousLine.endsWith(StringPool.OPEN_PARENTHESIS) &&
!previousLine.matches("\t+\\)\\.[^\\)\\(]+\\(") &&
line.matches(".*\\)( \\{)?") && (getLevel(line) < 0)) {
return _getCombinedLinesContent(
content, line, trimmedLine, lineLength, lineCount,
previousLine, null, false, false, 0);
}
if ((previousLine.endsWith(StringPool.PERIOD) &&
!line.endsWith(StringPool.OPEN_PARENTHESIS)) ||
((previousLine.endsWith(StringPool.OPEN_BRACKET) ||
previousLine.endsWith(StringPool.OPEN_PARENTHESIS)) &&
!trimmedPreviousLine.startsWith(").") &&
line.endsWith(StringPool.SEMICOLON))) {
return _getCombinedLinesContent(
content, line, trimmedLine, lineLength, lineCount,
previousLine, null, false, false, 0);
}
if (previousLine.endsWith(StringPool.OPEN_PARENTHESIS) &&
trimmedLine.equals(");")) {
return _getCombinedLinesContent(
content, line, trimmedLine, lineLength, lineCount,
previousLine, null, false, false, 0);
}
}
if ((previousLine.endsWith(StringPool.EQUAL) ||
previousLine.endsWith("->")) &&
line.endsWith(StringPool.SEMICOLON)) {
String tempLine = trimmedLine;
for (int pos = 0;;) {
pos = tempLine.indexOf(CharPool.DASH);
if (pos == -1) {
pos = tempLine.indexOf(CharPool.PLUS);
}
if (pos == -1) {
pos = tempLine.indexOf(CharPool.SLASH);
}
if (pos == -1) {
pos = tempLine.indexOf(CharPool.STAR);
}
if (pos == -1) {
pos = tempLine.indexOf("||");
}
if (pos == -1) {
pos = tempLine.indexOf("&&");
}
if (pos == -1) {
break;
}
String linePart = tempLine.substring(0, pos);
if (getLevel(linePart) == 0) {
return null;
}
tempLine =
tempLine.substring(0, pos) + tempLine.substring(pos + 1);
}
int x = trimmedLine.indexOf(CharPool.OPEN_PARENTHESIS);
if (x == 0) {
x = trimmedLine.indexOf(CharPool.OPEN_PARENTHESIS, 1);
}
if (x != -1) {
int y = trimmedLine.indexOf(CharPool.CLOSE_PARENTHESIS, x);
int z = trimmedLine.indexOf(CharPool.QUOTE);
if (((x + 1) != y) && ((z == -1) || (z > x))) {
char previousChar = trimmedLine.charAt(x - 1);
if ((previousChar != CharPool.CLOSE_PARENTHESIS) &&
(previousChar != CharPool.OPEN_PARENTHESIS) &&
(previousChar != CharPool.SPACE) &&
(previousLineLength + 1 + x) < getMaxLineLength()) {
String linePart = trimmedLine.substring(0, x + 1);
if (getLevel(linePart, "{", "}") > 0) {
return null;
}
if (linePart.startsWith(StringPool.OPEN_PARENTHESIS) &&
!linePart.contains(StringPool.CLOSE_PARENTHESIS)) {
return null;
}
return _getCombinedLinesContent(
content, line, trimmedLine, lineLength, lineCount,
previousLine, linePart, true, true, 0);
}
}
}
}
if (trimmedPreviousLine.matches("for \\(.*;")) {
int x = -1;
while (true) {
x = trimmedLine.indexOf("; ", x + 1);
if ((x == -1) ||
(previousLineLength + 2 + x) > getMaxLineLength()) {
break;
}
if (ToolsUtil.isInsideQuotes(trimmedLine, x)) {
continue;
}
return _getCombinedLinesContent(
content, line, trimmedLine, lineLength, lineCount,
previousLine, trimmedLine.substring(0, x + 2), true, true,
0);
}
}
if (trimmedPreviousLine.matches("for \\(\\w+")) {
int x = trimmedLine.indexOf(" :");
if ((x != -1) &&
((previousLineLength + x + 3) <= getMaxLineLength())) {
String s = trimmedLine.substring(0, x);
if (Validator.isVariableName(s)) {
if ((x + 2) == trimmedLine.length()) {
s += " :";
}
else {
s += " : ";
}
for (int i = 0;; i++) {
String nextLine = getLine(content, lineCount + i);
if (nextLine.endsWith(") {")) {
return _getCombinedLinesContent(
content, line, trimmedLine, lineLength,
lineCount, previousLine, s, true, true, i);
}
}
}
}
}
if (trimmedPreviousLine.matches(
"(private|protected|public) [\\w<>\\[\\] ]+")) {
int x = trimmedLine.indexOf(StringPool.OPEN_PARENTHESIS);
if ((x != -1) &&
((previousLineLength + x + 2) <= getMaxLineLength())) {
if ((x + 1) < trimmedLine.length()) {
char nextChar = trimmedLine.charAt(x + 1);
if (nextChar != CharPool.CLOSE_PARENTHESIS) {
return _getCombinedLinesContent(
content, line, trimmedLine, lineLength, lineCount,
previousLine, trimmedLine.substring(0, x + 1), true,
true, 0);
}
}
else {
for (int i = 0;; i++) {
String nextLine = getLine(content, lineCount + i + 1);
if (nextLine.endsWith(StringPool.OPEN_CURLY_BRACE) ||
nextLine.endsWith(StringPool.SEMICOLON)) {
return _getCombinedLinesContent(
content, line, trimmedLine, lineLength,
lineCount, previousLine, null, false, true,
i + 1);
}
}
}
}
}
if (previousLine.endsWith(StringPool.PLUS) &&
(lineTabCount == (previousLineTabCount + 1))) {
int x = -1;
while (true) {
x = trimmedLine.indexOf(" +", x + 1);
if ((x == -1) ||
(previousLineLength + 3 + x) > getMaxLineLength()) {
break;
}
if (ToolsUtil.isInsideQuotes(trimmedLine, x)) {
continue;
}
String linePart = trimmedLine.substring(0, x + 2);
if (getLevel(linePart) != 0) {
continue;
}
if (trimmedLine.equals(linePart)) {
addMessage(fileName, "Incorrect line break", lineCount);
return null;
}
return _getCombinedLinesContent(
content, line, trimmedLine, lineLength, lineCount,
previousLine, linePart + StringPool.SPACE, true, true, 0);
}
}
if (previousLine.endsWith(StringPool.COMMA) &&
(previousLineTabCount == lineTabCount) &&
!line.matches(".*[\\^\\|\\&]") &&
!trimmedPreviousLine.matches("[\\)\\}],")) {
String nextLine = getLine(content, lineCount + 1);
int nextLineTabCount = getLeadingTabCount(nextLine);
if (nextLineTabCount != (lineTabCount + 1)) {
int x = -1;
while (true) {
x = trimmedLine.indexOf(StringPool.COMMA_AND_SPACE, x + 1);
if (x == -1) {
break;
}
if (ToolsUtil.isInsideQuotes(trimmedLine, x)) {
continue;
}
String linePart = trimmedLine.substring(0, x);
if ((getLevel(linePart, "(", ")") == 0) &&
(getLevel(linePart, "{", "}") == 0) &&
(getLevel(linePart, "<", ">") == 0)) {
break;
}
}
if (x != -1) {
while ((previousLineLength + 1 + x) < getMaxLineLength()) {
String linePart = trimmedLine.substring(0, x + 1);
if (!ToolsUtil.isInsideQuotes(trimmedLine, x) &&
JavaSourceUtil.isValidJavaParameter(linePart)) {
if (trimmedLine.equals(linePart)) {
return _getCombinedLinesContent(
content, line, trimmedLine, lineLength,
lineCount, previousLine, null, false, true,
0);
}
else {
return _getCombinedLinesContent(
content, line, trimmedLine, lineLength,
lineCount, previousLine,
linePart + StringPool.SPACE, true, true, 0);
}
}
String partAfterComma = trimmedLine.substring(x + 1);
int pos = partAfterComma.indexOf(CharPool.COMMA);
if (pos == -1) {
break;
}
x = x + pos + 1;
}
}
else if ((trimmedLine.length() + previousLineLength) <
getMaxLineLength()) {
if ((getLevel(line, "{", "}") == 0) &&
(!trimmedLine.startsWith("new ") ||
!line.endsWith(StringPool.OPEN_CURLY_BRACE))) {
return _getCombinedLinesContent(
content, line, trimmedLine, lineLength, lineCount,
previousLine, null, false, true, 0);
}
if (getLevel(line) != 0) {
return _getCombinedLinesContent(
content, line, trimmedLine, lineLength, lineCount,
previousLine, null, false, true, 0);
}
}
}
}
if (trimmedPreviousLine.matches("^[^<].*[\\w>]$") &&
(previousLineTabCount == (lineTabCount - 1)) &&
(getLevel(previousLine, "<", ">") == 0)) {
int x = trimmedLine.indexOf(" = ");
if ((x != -1) && !ToolsUtil.isInsideQuotes(trimmedLine, x) &&
((previousLineLength + 2 + x) < getMaxLineLength())) {
String linePart = trimmedLine.substring(0, x + 3);
return _getCombinedLinesContent(
content, line, trimmedLine, lineLength, lineCount,
previousLine, linePart, true, true, 0);
}
else if (trimmedLine.endsWith(" =") &&
((trimmedLine.length() + previousLineLength) <
getMaxLineLength())) {
for (int i = 0;; i++) {
String nextLine = getLine(content, lineCount + i + 1);
if (nextLine.endsWith(StringPool.SEMICOLON)) {
return _getCombinedLinesContent(
content, line, trimmedLine, lineLength, lineCount,
previousLine, null, false, true, i + 1);
}
}
}
}
if (!previousLine.endsWith(StringPool.OPEN_PARENTHESIS)) {
return null;
}
int x = -1;
while (true) {
x = trimmedLine.indexOf(") ", x + 1);
if (x == -1) {
break;
}
String linePart1 = trimmedLine.substring(0, x);
if (ToolsUtil.isInsideQuotes(trimmedLine, x) ||
(getLevel(linePart1) != 0)) {
continue;
}
String linePart2 = trimmedLine.substring(x + 2);
if (linePart2.matches("[!=<>\\+\\-\\*]+ .*")) {
int y = trimmedLine.indexOf(StringPool.SPACE, x + 2);
if ((previousLineLength + y) <= getMaxLineLength()) {
return _getCombinedLinesContent(
content, line, trimmedLine, lineLength, lineCount,
previousLine, trimmedLine.substring(0, y), true, true,
0);
}
}
}
if (StringUtil.count(previousLine, CharPool.OPEN_PARENTHESIS) > 1) {
int pos = trimmedPreviousLine.lastIndexOf(
CharPool.OPEN_PARENTHESIS, trimmedPreviousLine.length() - 2);
if (pos > 0) {
char c = trimmedPreviousLine.charAt(pos - 1);
if ((c != CharPool.OPEN_PARENTHESIS) &&
!Character.isWhitespace(c)) {
String filePart = trimmedPreviousLine.substring(pos + 1);
if (!filePart.contains(StringPool.CLOSE_PARENTHESIS) &&
!filePart.contains(StringPool.QUOTE)) {
return _getCombinedLinesContent(
content, line, trimmedLine, lineLength, lineCount,
previousLine, filePart, false, false, 0);
}
}
}
}
if ((trimmedLine.length() + previousLineLength) > getMaxLineLength()) {
return null;
}
if ((getLevel(trimmedLine) < 0) &&
(line.matches(".*[|&^]") || line.endsWith(StringPool.COMMA) ||
(trimmedPreviousLine.startsWith("new ") &&
line.endsWith(") {")))) {
return _getCombinedLinesContent(
content, line, trimmedLine, lineLength, lineCount, previousLine,
null, false, false, 0);
}
return null;
}
private static final String _FIT_ON_SINGLE_LINE_EXCLUDES =
"fit.on.single.line.excludes";
private final Pattern _combinedLinesPattern1 = Pattern.compile(
"\n(\t*).+(=|\\]) (\\{)\n");
private final Pattern _combinedLinesPattern2 = Pattern.compile(
"\n(\t*)@.+(\\()\n");
private final Pattern _combinedLinesPattern3 = Pattern.compile(
"(\n\t*(private|protected|public) void)\n\t+(\\w+\\(\\)( \\{)?\n)");
private final Pattern _combinedLinesPattern4 = Pattern.compile(
"(\n\t*(extends|implements))\n\t+([\\w.]+ \\{\n)");
private final Pattern _combinedLinesPattern5 = Pattern.compile(
"(\n\t*(private|protected|public)( .*[^\\{;\n])?)\n\t*(.+ [\\{;]\n)");
}
