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package lombok;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class CompilerMessageMatcher {
/** Line Number (starting at 1) */
private final long line;
/** Position is either column number, OR position in file starting from the first byte. */
private final long position;
private final Collection<String> messageParts;
public CompilerMessageMatcher(long line, long position, String message) {
this.line = line;
this.position = position;
this.messageParts = Arrays.asList(message.split("\\s+"));
}
@Override public String toString() {
StringBuilder parts = new StringBuilder();
for (String part : messageParts) parts.append(part).append(" ");
if (parts.length() > 0) parts.setLength(parts.length() - 1);
return String.format("%d:%d %s", line, position, parts);
}
public boolean matches(CompilerMessage message) {
if (message.line != this.line) return false;
if (message.position != this.position) return false;
for (String token : messageParts) {
if (!message.message.contains(token)) return false;
}
return true;
}
public static List<CompilerMessageMatcher> readAll(InputStream rawIn) throws IOException {
BufferedReader in = new BufferedReader(new InputStreamReader(rawIn, "UTF-8"));
List<CompilerMessageMatcher> out = new ArrayList<CompilerMessageMatcher>();
for (String line = in.readLine(); line != null; line = in.readLine()) {
CompilerMessageMatcher cmm = read(line);
if (cmm != null) out.add(cmm);
}
return out;
}
private static final Pattern PATTERN = Pattern.compile("^(\\d+):(\\d+) (.*)$");
private static CompilerMessageMatcher read(String line) {
line = line.trim();
if (line.isEmpty()) return null;
Matcher m = PATTERN.matcher(line);
if (!m.matches()) throw new IllegalArgumentException("Typo in test file: " + line);
return new CompilerMessageMatcher(Integer.parseInt(m.group(1)), Integer.parseInt(m.group(2)), m.group(3));
}
}
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