/*
* Copyright (C) 2012-2013 The Project Lombok Authors.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package lombok.javac;
import java.io.File;
import java.util.Collection;
import java.util.Iterator;
import java.util.Locale;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.tools.Diagnostic;
import javax.tools.Diagnostic.Kind;
import javax.tools.DiagnosticListener;
import javax.tools.JavaFileObject;
/**
* This class stores any reported errors as {@code CompilerMessage} objects and supports removing some of these.
* Currently this class is only used for testing purposes.
*/
public class CapturingDiagnosticListener implements DiagnosticListener<JavaFileObject> {
private final File file;
private final Collection<CompilerMessage> messages;
public CapturingDiagnosticListener(File file, Collection<CompilerMessage> messages) {
this.file = file;
this.messages = messages;
}
@Override public void report(Diagnostic<? extends JavaFileObject> d) {
String msg = d.getMessage(Locale.ENGLISH);
Matcher m = Pattern.compile(
"^" + Pattern.quote(file.getAbsolutePath()) +
"\\s*:\\s*\\d+\\s*:\\s*(?:warning:\\s*)?(.*)$", Pattern.DOTALL).matcher(msg);
if (m.matches()) msg = m.group(1);
messages.add(new CompilerMessage(d.getLineNumber(), d.getStartPosition(), d.getKind() == Kind.ERROR, msg));
}
public void suppress(int start, int end) {
Iterator<CompilerMessage> it = messages.iterator();
while (it.hasNext()) {
long pos = it.next().getPosition();
if (pos >= start && pos < end) it.remove();
}
}
public static final class CompilerMessage {
/** Line Number (starting at 1) */
private final long line;
private final long position;
private final boolean isError;
private final String message;
public CompilerMessage(long line, long position, boolean isError, String message) {
this.line = line;
this.position = position;
this.isError = isError;
this.message = message;
}
public long getLine() {
return line;
}
public long getPosition() {
return position;
}
public boolean isError() {
return isError;
}
public String getMessage() {
return message;
}
@Override public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + (isError ? 1231 : 1237);
result = prime * result + (int) (line ^ (line >>> 32));
result = prime * result + ((message == null) ? 0 : message.hashCode());
return result;
}
@Override public boolean equals(Object obj) {
if (this == obj) return true;
if (obj == null) return false;
if (getClass() != obj.getClass()) return false;
CompilerMessage other = (CompilerMessage) obj;
if (isError != other.isError) return false;
if (line != other.line) return false;
if (message == null) {
if (other.message != null) return false;
} else if (!message.equals(other.message)) return false;
return true;
}
@Override public String toString() {
return String.format("%d %s %s", line, isError ? "ERROR" : "WARNING", message);
}
}
}