com.liferay.source.formatter.checks.JavaCleanUpMethodVariablesCheck 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.util.MapUtil;
import com.liferay.portal.kernel.util.StringUtil;
import com.liferay.source.formatter.parser.JavaClass;
import com.liferay.source.formatter.parser.JavaMethod;
import com.liferay.source.formatter.parser.JavaTerm;
import com.liferay.source.formatter.parser.JavaVariable;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* @author Hugo Huijser
*/
public class JavaCleanUpMethodVariablesCheck extends BaseJavaTermCheck {
@Override
public boolean isPortalCheck() {
return true;
}
@Override
protected String doProcess(
String fileName, String absolutePath, JavaTerm javaTerm,
String fileContent) {
JavaClass javaClass = (JavaClass)javaTerm;
String className = javaClass.getName();
if (!className.endsWith("Tag")) {
return javaTerm.getContent();
}
String cleanUpMethodContent = _getCleanUpMethodContent(javaClass);
if (cleanUpMethodContent != null) {
_checkVariableValues(fileName, cleanUpMethodContent, javaClass);
}
return javaTerm.getContent();
}
@Override
protected String[] getCheckableJavaTermNames() {
return new String[] {JAVA_CLASS};
}
private void _checkVariableValues(
String fileName, String cleanUpMethodContent, JavaClass javaClass) {
for (JavaTerm javaTerm : javaClass.getChildJavaTerms()) {
if (!(javaTerm instanceof JavaVariable)) {
continue;
}
String accessModifier = javaTerm.getAccessModifier();
if (!accessModifier.equals(JavaTerm.ACCESS_MODIFIER_PRIVATE)) {
continue;
}
String variableName = javaTerm.getName();
if (!cleanUpMethodContent.contains(variableName + " =")) {
continue;
}
Pattern pattern = Pattern.compile(
"\t(private|protected|public)\\s+" +
"(((final|static|transient|volatile)( |\n))*)([\\s\\S]*?)" +
variableName);
String variableContent = javaTerm.getContent();
Matcher matcher = pattern.matcher(variableContent);
if (!matcher.find()) {
continue;
}
String modifierDefinition = StringUtil.trim(
variableContent.substring(matcher.start(1), matcher.start(6)));
if (modifierDefinition.contains("final")) {
continue;
}
String javaFieldType = StringUtil.trim(matcher.group(6));
pattern = Pattern.compile(
javaTerm.getName() + " =\\s+[a-z]\\w*\\.");
matcher = pattern.matcher(cleanUpMethodContent);
if (matcher.find()) {
continue;
}
int x = variableContent.indexOf(javaTerm.getName());
String defaultValue = _getDefaultValue(javaFieldType);
String setVariableCommand = variableContent.substring(x);
if (!setVariableCommand.contains(" =")) {
setVariableCommand = StringUtil.replaceLast(
setVariableCommand, CharPool.SEMICOLON,
" = " + defaultValue + ";");
}
setVariableCommand = StringUtil.replace(
setVariableCommand,
new String[] {StringPool.TAB, StringPool.NEW_LINE},
new String[] {StringPool.BLANK, StringPool.SPACE});
String setVariableCommandRegex = StringUtil.replace(
setVariableCommand,
new String[] {
StringPool.CLOSE_PARENTHESIS, StringPool.OPEN_PARENTHESIS,
StringPool.SPACE, "0\\.0"
},
new String[] {"\\)", "\\(", "\\s*", "0(\\.0)?"});
pattern = Pattern.compile(setVariableCommandRegex);
matcher = pattern.matcher(cleanUpMethodContent);
if (!matcher.find()) {
addMessage(
fileName,
"Initial value for '" + variableName +
"' differs from value in cleanUp method",
"cleanup.markdown");
}
}
}
private String _getCleanUpMethodContent(JavaClass javaClass) {
for (JavaTerm javaTerm : javaClass.getChildJavaTerms()) {
if (!(javaTerm instanceof JavaMethod)) {
continue;
}
String javaTermName = javaTerm.getName();
if (javaTermName.equals("cleanUp")) {
return javaTerm.getContent();
}
}
return null;
}
private String _getDefaultValue(String type) {
if (StringUtil.isLowerCase(type)) {
return _defaultPrimitiveValues.get(type);
}
return "null";
}
private static final Map _defaultPrimitiveValues =
MapUtil.fromArray(
new String[] {
"boolean", "false", "char", "'\\\\0'", "byte", "0", "double",
"0\\.0", "float", "0\\.0", "int", "0", "long", "0", "short", "0"
});
}
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