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package org.codehaus.mojo.aspectj;
/**
* The MIT License
*
* Copyright 2005-2006 The Codehaus.
*
* 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.
*/
import org.apache.maven.plugin.logging.Log;
import org.aspectj.bridge.IMessage;
import org.aspectj.bridge.ISourceLocation;
import org.aspectj.bridge.MessageHandler;
import java.util.ArrayList;
import java.util.List;
/**
* MessageHandler implementation which uses the standard Maven Log to emit
* messages from the AJC process. For warnings and error messages from the AJC,
* the message detail (containing information about class and line number location)
* is emitted as well.
*
* @author Kaare Nilsen
* @author Lennart Jörelid, jGuru Europe AB
*/
public class MavenMessageHandler extends MessageHandler {
// Internal state
private static final List DEFAULT_DETAIL_TYPES;
private Log log;
private List showDetailsForMessageKindList;
static {
DEFAULT_DETAIL_TYPES = new ArrayList();
DEFAULT_DETAIL_TYPES.add(IMessage.ERROR);
DEFAULT_DETAIL_TYPES.add(IMessage.WARNING);
DEFAULT_DETAIL_TYPES.add(IMessage.FAIL);
}
/**
* Constructs a MessageHandler with a Maven plugin logger.
*
* @param log The active Maven Log.
* @param showDetailsForMessageKindList A List holding all AJC message types for which this MavenMessageHandler
* should emit details onto the Maven log (i.e. class name,
* line/row number etc.)
*/
public MavenMessageHandler(final Log log,
final List showDetailsForMessageKindList) {
// Check sanity
// assert log != null : "Cannot handle null log argument.";
// assert showDetailsForMessageKindList != null : "Cannot handle null showDetailsForMessageKindList argument.";
if (log == null) {
throw new NullPointerException("Cannot handle null log argument.");
}
if (showDetailsForMessageKindList == null) {
throw new NullPointerException("Cannot handle null showDetailsForMessageKindList argument.");
}
// Assign internal state
this.log = log;
this.showDetailsForMessageKindList = showDetailsForMessageKindList;
if (log.isInfoEnabled()) {
log.info("StarterAspecjtJ: Showing AJC message detail for messages of types: " + showDetailsForMessageKindList);
}
}
/**
* Constructs a MessageHandler with a Maven plugin logger, and emitting detailed information for all
* AJC message kinds the {@code DEFAULT_DETAIL_TYPES} List.
*
* @param log The active Maven Log.
*/
public MavenMessageHandler(final Log log) {
this(log, DEFAULT_DETAIL_TYPES);
}
/**
* Copies output from the supplied message onto the active Maven Log.
* If the message type (i.e. {@code message.getKind()}) is listed in the showDetailsForMessageKindList List,
* the message is prefixed with location details (Class, row/line number etc.) as well.
*
* {@inheritDoc}
*/
public boolean handleMessage(final IMessage message) {
// Compose the message text
final StringBuilder builder = new StringBuilder(message.getMessage());
if (isMessageDetailDesired(message)) {
//
// The AJC details are typically delivered on the format [fileName]:[lineNumber]
// (i.e. /src/main/java/Clazz.java:16).
//
// Mimic this, and include the context of the message as well,
// including guarding against NPEs.
//
final ISourceLocation sourceLocation = message.getSourceLocation();
final String sourceFile = sourceLocation == null || sourceLocation.getSourceFile() == null
? ""
: sourceLocation.getSourceFile().getAbsolutePath();
final String context = sourceLocation == null || sourceLocation.getContext() == null
? ""
: sourceLocation.getContext() + "\n";
final String line = sourceLocation == null
? ""
: "" + sourceLocation.getLine();
builder.append("\n\t")
.append(sourceFile)
.append(":")
.append(line)
.append("\n")
.append(context);
}
final String messageText = builder.toString();
if (isNotIgnored(message, IMessage.DEBUG)
|| isNotIgnored(message, IMessage.INFO)
|| isNotIgnored(message, IMessage.TASKTAG)) {
// The DEBUG, INFO, and TASKTAG ajc message kinds are considered Maven Debug messages.
log.debug(messageText);
} else if (isNotIgnored(message, IMessage.WEAVEINFO)) {
// The WEAVEINFO ajc message kind is considered Maven Info messages.
log.info(messageText);
} else if (isNotIgnored(message, IMessage.WARNING)) {
// The WARNING ajc message kind is considered Maven Warn messages.
log.warn(messageText);
} else if(isNotIgnored(message, IMessage.ERROR)
|| isNotIgnored(message, IMessage.ABORT)
|| isNotIgnored(message, IMessage.FAIL)) {
// We map ERROR, ABORT, and FAIL ajc message kinds to Maven Error messages.
log.error(messageText);
}
// Delegate to normal handling.
return super.handleMessage(message);
}
//
// Private helpers
//
private boolean isMessageDetailDesired(final IMessage message) {
if (message != null) {
for (IMessage.Kind current : showDetailsForMessageKindList) {
if (message.getKind().equals(current)) {
return true;
}
}
}
return false;
}
private boolean isNotIgnored(final IMessage message, final IMessage.Kind messageType) {
return message.getKind().equals(messageType) && !isIgnoring(messageType);
}
}
