/*
* Bytecode Analysis Framework
* Copyright (C) 2004 University of Maryland
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package edu.umd.cs.findbugs.ba.type;
import org.apache.bcel.generic.ObjectType;
/**
* An exception thrown from an instruction.
* These can be implicit (i.e., runtime exceptions and errors),
* or explicit (athrow, or declared exception from called method).
* This information is used in TypeAnalysis in order to determine:
* <ul>
* <li> what exceptions can be thrown along exception edges, and
* <li> which exceptions are explicit (declared or explicitly thrown)
* and which are implicit (result of failed runtime checks)
* </ul>
*
* @author David Hovemeyer
* @see ExceptionSet
* @see TypeAnalysis
*/
public class ThrownException {
private ObjectType type;
private boolean explicit;
/**
* Constructor.
*
* @param type type of exception
* @param explicit true if explicit, false if implicit
*/
public ThrownException(ObjectType type, boolean explicit) {
this.type = type;
this.explicit = explicit;
}
/**
* Return an identical copy of this object.
*/
public ThrownException duplicate() {
return new ThrownException(type, explicit);
}
/**
* Get the exception type.
*/
public ObjectType getType() {
return type;
}
/**
* Return whether or not the exception is explicit.
*/
public boolean isExplicit() {
return explicit;
}
/**
* Set whether or not the exception is explicit.
*/
public void setExplicit(boolean explicit) {
this.explicit = explicit;
}
@Override
public int hashCode() {
return type.hashCode();
}
@Override
public boolean equals(Object o) {
if (o == null) return false;
if (o.getClass() != this.getClass()) return false;
ThrownException other = (ThrownException) o;
return this.type.equals(other.type) && this.explicit == other.explicit;
}
}
// vim:ts=4