/**
* $Id: IfClause.java 209 2009-04-11 16:32:13Z daldei $
* $Date: 2009-04-11 12:32:13 -0400 (Sat, 11 Apr 2009) $
*
*/
package org.xmlsh.sh.core;
import java.io.PrintWriter;
import org.xmlsh.core.ExitOnErrorException;
import org.xmlsh.core.ThrowException;
import org.xmlsh.core.XValue;
import org.xmlsh.sh.shell.Shell;
public class TryCatchFinally extends CompoundCommandExpr {
private CommandExpr mTryPart;
private String mCatchVar;
private CommandExpr mCatchPart;
private CommandExpr mFinallyPart;
public TryCatchFinally(CommandExpr tryPart, String catchVar,
CommandExpr catchPart, CommandExpr finallyPart) {
super();
mTryPart = tryPart;
mCatchVar = catchVar;
mCatchPart = catchPart;
mFinallyPart = finallyPart;
setLocation(tryPart);
}
/*
* (non-Javadoc)
*
* @see org.xmlsh.sh.core.Command#print(java.io.PrintWriter)
*/
@Override
public void print(PrintWriter out, boolean bExec) {
out.print("try ");
mTryPart.print(out, bExec);
out.print("catch ");
out.println(mCatchVar);
mCatchPart.print(out, bExec);
if(mFinallyPart != null) {
out.println("finally");
mFinallyPart.print(out, bExec);
}
out.println("fi");
}
@Override
public int exec(Shell shell) throws Exception {
shell.getEnv().saveIO();
try {
applyRedirect(shell);
int ret = 0;
try {
ret = shell.exec(mTryPart);
} catch (ThrowException e) {
shell.getEnv().setVar(mCatchVar, e.getValue());
ret = shell.exec(mCatchPart);
} catch (ExitOnErrorException e) {
shell.getEnv().setVar(mCatchVar, XValue.newXValue(e.getValue()));
ret = shell.exec(mCatchPart);
}
finally {
if(shell.keepRunning() && mFinallyPart != null)
ret = shell.exec(mFinallyPart);
}
return ret;
} finally {
shell.getEnv().restoreIO();
}
}
}
//
//
// Copyright (C) 2008-2014 David A. Lee.
//
// The contents of this file are subject to the "Simplified BSD License" (the
// "License");
// you may not use this file except in compliance with the License. You may
// obtain a copy of the
// License at http://www.opensource.org/licenses/bsd-license.php
//
// Software distributed under the License is distributed on an "AS IS" basis,
// WITHOUT WARRANTY OF ANY KIND, either express or implied.
// See the License for the specific language governing rights and limitations
// under the License.
//
// The Original Code is: all this file.
//
// The Initial Developer of the Original Code is David A. Lee
//
// Portions created by (your name) are Copyright (C) (your legal entity). All
// Rights Reserved.
//
// Contributor(s): none.
//