com.qulice.checkstyle.ConditionalRegexpMultilineCheck Maven / Gradle / Ivy
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package com.qulice.checkstyle;
import com.puppycrawl.tools.checkstyle.api.FileText;
import com.puppycrawl.tools.checkstyle.checks.regexp.RegexpMultilineCheck;
import java.io.File;
import java.util.regex.Pattern;
/**
* Performs multiline regexp match only if a regexp condition passes.
* @since 0.5
*/
public final class ConditionalRegexpMultilineCheck extends
RegexpMultilineCheck {
/**
* Condition that has to pass.
*/
private Pattern condition = Pattern.compile(".");
@Override
public void processFiltered(final File file, final FileText lines) {
boolean found = false;
for (final String line: lines.toLinesArray()) {
if (this.condition.matcher(line).find()) {
found = true;
break;
}
}
if (found) {
super.processFiltered(file, lines);
}
}
/**
* Condition regexp that has to match before checking the core one.
* @param cond Regexp that has to match in file.
*/
public void setCondition(final String cond) {
this.condition = Pattern.compile(cond);
}
}