////////////////////////////////////////////////////////////////////////////////
// checkstyle: Checks Java source code for adherence to a set of rules.
// Copyright (C) 2001-2007 Oliver Burn
//
// 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 com.puppycrawl.tools.checkstyle.checks.coding;
import com.puppycrawl.tools.checkstyle.api.DetailAST;
import com.puppycrawl.tools.checkstyle.api.FullIdent;
import com.puppycrawl.tools.checkstyle.api.TokenTypes;
import com.puppycrawl.tools.checkstyle.checks.CheckUtils;
/**
* Catching java.lang.Exception, java.lang.Error or java.lang.RuntimeException
* is almost never acceptable.
* @author <a href="mailto:simon@redhillconsulting.com.au">Simon Harris</a>
*/
public final class IllegalCatchCheck extends AbstractIllegalCheck
{
/** Creates new instance of the check. */
public IllegalCatchCheck()
{
super(new String[] {"Exception", "Error",
"RuntimeException", "Throwable",
"java.lang.Error",
"java.lang.Exception",
"java.lang.RuntimeException",
"java.lang.Throwable",
});
}
/** {@inheritDoc} */
public int[] getDefaultTokens()
{
return new int[] {TokenTypes.LITERAL_CATCH};
}
/** {@inheritDoc} */
public int[] getRequiredTokens()
{
return getDefaultTokens();
}
/** {@inheritDoc} */
public void visitToken(DetailAST aDetailAST)
{
final DetailAST paramDef =
aDetailAST.findFirstToken(TokenTypes.PARAMETER_DEF);
final DetailAST excType = paramDef.findFirstToken(TokenTypes.TYPE);
final FullIdent ident = CheckUtils.createFullType(excType);
if (isIllegalClassName(ident.getText())) {
log(aDetailAST, "illegal.catch", ident.getText());
}
}
}