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The AspectJ weaver introduces advices to java classes
/* *******************************************************************
* Copyright (c) 1999-2001 Xerox Corporation,
* 2002 Palo Alto Research Center, Incorporated (PARC).
* All rights reserved.
* This program and the accompanying materials are made available
* under the terms of the Eclipse Public License v1.0
* which accompanies this distribution and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Xerox/PARC initial implementation
* ******************************************************************/
package org.aspectj.bridge;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
/**
* Implement messages. This implementation is immutable if ISourceLocation is immutable.
*/
public class Message implements IMessage {
private final String message;
private final IMessage.Kind kind;
private final Throwable thrown;
private final ISourceLocation sourceLocation;
private final String details;
private final List extraSourceLocations;
private final boolean declared; // Is it a DEOW ?
private final int id;
private final int sourceStart, sourceEnd;
/**
* Create a (compiler) error or warning message
*
* @param message the String used as the underlying message
* @param location the ISourceLocation, if any, associated with this message
* @param isError if true, use IMessage.ERROR; else use IMessage.WARNING
*/
public Message(String message, ISourceLocation location, boolean isError) {
this(message, (isError ? IMessage.ERROR : IMessage.WARNING), null, location);
}
public Message(String message, ISourceLocation location, boolean isError, ISourceLocation[] extraSourceLocations) {
this(message, "", (isError ? IMessage.ERROR : IMessage.WARNING), location, null,
(extraSourceLocations.length > 0 ? extraSourceLocations : null));
}
/**
* Create a message, handling null values for message and kind if thrown is not null.
*
* @param message the String used as the underlying message
* @param kind the IMessage.Kind of message - not null
* @param thrown the Throwable, if any, associated with this message
* @param sourceLocation the ISourceLocation, if any, associated with this message
* @param details descriptive information about the message
* @throws IllegalArgumentException if message is null and thrown is null or has a null message, or if kind is null and thrown
* is null.
*/
public Message(String message, String details, IMessage.Kind kind, ISourceLocation sourceLocation, Throwable thrown,
ISourceLocation[] extraSourceLocations) {
this(message, details, kind, sourceLocation, thrown, extraSourceLocations, false, 0, -1, -1);
}
public Message(String message, String details, IMessage.Kind kind, ISourceLocation sLoc, Throwable thrown,
ISourceLocation[] otherLocs, boolean declared, int id, int sourcestart, int sourceend) {
this.details = details;
this.id = id;
this.sourceStart = sourcestart;
this.sourceEnd = sourceend;
this.message = ((message != null) ? message : ((thrown == null) ? null : thrown.getMessage()));
this.kind = kind;
this.sourceLocation = sLoc;
this.thrown = thrown;
if (otherLocs != null) {
this.extraSourceLocations = Collections.unmodifiableList(Arrays.asList(otherLocs));
} else {
this.extraSourceLocations = Collections.emptyList();
}
if (null == this.kind) {
throw new IllegalArgumentException("null kind");
}
if (null == this.message) {
throw new IllegalArgumentException("null message");
}
this.declared = declared;
}
/**
* Create a message, handling null values for message and kind if thrown is not null.
*
* @param message the String used as the underlying message
* @param kind the IMessage.Kind of message - not null
* @param thrown the Throwable, if any, associated with this message
* @param sourceLocation the ISourceLocation, if any, associated with this message
* @throws IllegalArgumentException if message is null and thrown is null or has a null message, or if kind is null and thrown
* is null.
*/
public Message(String message, IMessage.Kind kind, Throwable thrown, ISourceLocation sourceLocation) {
this(message, "", kind, sourceLocation, thrown, null);
}
/** @return the kind of this message */
public IMessage.Kind getKind() {
return kind;
}
/** @return true if kind == IMessage.ERROR */
public boolean isError() {
return kind == IMessage.ERROR;
}
/** @return true if kind == IMessage.WARNING */
public boolean isWarning() {
return kind == IMessage.WARNING;
}
/** @return true if kind == IMessage.DEBUG */
public boolean isDebug() {
return kind == IMessage.DEBUG;
}
public boolean isTaskTag() {
return kind == IMessage.TASKTAG;
}
/**
* @return true if kind == IMessage.INFO
*/
public boolean isInfo() {
return kind == IMessage.INFO;
}
/** @return true if kind == IMessage.ABORT */
public boolean isAbort() {
return kind == IMessage.ABORT;
}
/** Caller can verify if this message came about because of a DEOW */
public boolean getDeclared() {
return declared;
}
/**
* @return true if kind == IMessage.FAIL
*/
public boolean isFailed() {
return kind == IMessage.FAIL;
}
/** @return non-null String with simple message */
final public String getMessage() {
return message;
}
/** @return Throwable associated with this message, or null if none */
final public Throwable getThrown() {
return thrown;
}
/** @return ISourceLocation associated with this message, or null if none */
final public ISourceLocation getSourceLocation() {
return sourceLocation;
}
public String toString() {
return MessageUtil.renderMessage(this, false);
}
public String getDetails() {
return details;
}
public List getExtraSourceLocations() {
return extraSourceLocations;
}
public int getID() {
return id;
}
public int getSourceStart() {
return sourceStart;
}
public int getSourceEnd() {
return sourceEnd;
}
}