/********************************************************************
* Copyright (c) 2006 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://eclipse.org/legal/epl-v10.html
*
* Contributors: IBM Corporation - initial API and implementation
* Helen Hawkins - initial version
*******************************************************************/
package org.aspectj.weaver.model;
import org.aspectj.weaver.patterns.AndPointcut;
import org.aspectj.weaver.patterns.OrPointcut;
import org.aspectj.weaver.patterns.Pointcut;
import org.aspectj.weaver.patterns.ReferencePointcut;
/**
* Provides utility methods for generating details for IProgramElements used when creating the model both from source (via
* AsmElementFormatter.visit(..)) and when filling in the model for binary aspects (via AsmRelationshipProvider bug 145963)
*/
public class AsmRelationshipUtils {
// public static final String UNDEFINED="<undefined>";
public static final String DECLARE_PRECEDENCE = "precedence";
public static final String DECLARE_SOFT = "soft";
public static final String DECLARE_PARENTS = "parents";
public static final String DECLARE_WARNING = "warning";
public static final String DECLARE_ERROR = "error";
public static final String DECLARE_UNKNONWN = "<unknown declare>";
public static final String POINTCUT_ABSTRACT = "<abstract pointcut>";
public static final String POINTCUT_ANONYMOUS = "<anonymous pointcut>";
public static final String DOUBLE_DOTS = "..";
public static final int MAX_MESSAGE_LENGTH = 18;
public static final String DEC_LABEL = "declare";
/**
* Generates the declare message used in the details, for example if the declare warning statement has message
* "There should be no printlns" will return 'declare warning: "There should be n.."'
*/
public static String genDeclareMessage(String message) {
int length = message.length();
if (length < MAX_MESSAGE_LENGTH) {
return message;
} else {
return message.substring(0, MAX_MESSAGE_LENGTH - 1) + DOUBLE_DOTS;
}
}
/**
* Generates the pointcut details for the given pointcut, for example an anonymous pointcut will return '<anonymous pointcut>'
* and a named pointcut called p() will return 'p()..'
*/
public static String genPointcutDetails(Pointcut pcd) {
StringBuffer details = new StringBuffer();
if (pcd instanceof ReferencePointcut) {
ReferencePointcut rp = (ReferencePointcut) pcd;
details.append(rp.name).append(DOUBLE_DOTS);
} else if (pcd instanceof AndPointcut) {
AndPointcut ap = (AndPointcut) pcd;
if (ap.getLeft() instanceof ReferencePointcut) {
details.append(ap.getLeft().toString()).append(DOUBLE_DOTS);
} else {
details.append(POINTCUT_ANONYMOUS).append(DOUBLE_DOTS);
}
} else if (pcd instanceof OrPointcut) {
OrPointcut op = (OrPointcut) pcd;
if (op.getLeft() instanceof ReferencePointcut) {
details.append(op.getLeft().toString()).append(DOUBLE_DOTS);
} else {
details.append(POINTCUT_ANONYMOUS).append(DOUBLE_DOTS);
}
} else {
details.append(POINTCUT_ANONYMOUS);
}
return details.toString();
}
}