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The AspectJ weaver introduces advices to java classes
/* *******************************************************************
* Copyright (c) 2010 Contributors
* 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:
* Andy Clement initial implementation
* ******************************************************************/
package org.aspectj.weaver.patterns;
import java.io.IOException;
import java.util.Map;
import org.aspectj.weaver.CompressingDataOutputStream;
import org.aspectj.weaver.ISourceContext;
import org.aspectj.weaver.VersionedDataInputStream;
import org.aspectj.weaver.World;
/**
* For a declare error/warning that specified a type pattern rather than a pointcut.
*
* @author Andy Clement
* @since 1.6.9
*/
public class DeclareTypeErrorOrWarning extends Declare {
private boolean isError;
private TypePattern typePattern;
private String message;
public DeclareTypeErrorOrWarning(boolean isError, TypePattern typePattern, String message) {
this.isError = isError;
this.typePattern = typePattern;
this.message = message;
}
/**
* returns "declare warning: : " or "declare error: : "
*/
public String toString() {
StringBuffer buf = new StringBuffer();
buf.append("declare ");
if (isError) {
buf.append("error: ");
} else {
buf.append("warning: ");
}
buf.append(typePattern);
buf.append(": ");
buf.append("\"");
buf.append(message);
buf.append("\";");
return buf.toString();
}
public boolean equals(Object other) {
if (!(other instanceof DeclareTypeErrorOrWarning)) {
return false;
}
DeclareTypeErrorOrWarning o = (DeclareTypeErrorOrWarning) other;
return (o.isError == isError) && o.typePattern.equals(typePattern) && o.message.equals(message);
}
public int hashCode() {
int result = isError ? 19 : 23;
result = 37 * result + typePattern.hashCode();
result = 37 * result + message.hashCode();
return result;
}
public Object accept(PatternNodeVisitor visitor, Object data) {
return visitor.visit(this, data);
}
public void write(CompressingDataOutputStream s) throws IOException {
s.writeByte(Declare.TYPE_ERROR_OR_WARNING);
s.writeBoolean(isError);
typePattern.write(s);
s.writeUTF(message);
writeLocation(s);
}
public static Declare read(VersionedDataInputStream s, ISourceContext context) throws IOException {
Declare ret = new DeclareTypeErrorOrWarning(s.readBoolean(), TypePattern.read(s, context), s.readUTF());
ret.readLocation(context, s);
return ret;
}
public boolean isError() {
return isError;
}
public String getMessage() {
return message;
}
public TypePattern getTypePattern() {
return typePattern;
}
public void resolve(IScope scope) {
typePattern.resolve(scope.getWorld());
}
public Declare parameterizeWith(Map typeVariableBindingMap, World w) {
Declare ret = new DeclareTypeErrorOrWarning(isError, typePattern.parameterizeWith(typeVariableBindingMap, w), message);
ret.copyLocationFrom(this);
return ret;
}
public boolean isAdviceLike() {
return false;
}
public String getNameSuffix() {
return "teow";
}
/**
* returns "declare type warning" or "declare type error"
*/
public String getName() {
StringBuffer buf = new StringBuffer();
buf.append("declare type ");
if (isError) {
buf.append("error");
} else {
buf.append("warning");
}
return buf.toString();
}
}