6858708: HotspotDiagnosticMXBean.setVMOption() throws NullPointerException
Summary: Add a null check for the VM option string
Reviewed-by: mchung, ohair
/*
* Copyright 2005-2006 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun in the LICENSE file that accompanied this code.
*
* This code 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 General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
package com.sun.codemodel.internal;
/**
* Case statement
*/
public final class JCase implements JStatement {
/**
* label part of the case statement
*/
private JExpression label;
/**
* JBlock of statements which makes up body of this While statement
*/
private JBlock body = null;
/**
* is this a regular case statement or a default case statement?
*/
private boolean isDefaultCase = false;
/**
* Construct a case statement
*/
JCase(JExpression label) {
this(label, false);
}
/**
* Construct a case statement. If isDefaultCase is true, then
* label should be null since default cases don't have a label.
*/
JCase(JExpression label, boolean isDefaultCase) {
this.label = label;
this.isDefaultCase = isDefaultCase;
}
public JExpression label() {
return label;
}
public JBlock body() {
if (body == null) body=new JBlock( false, true );
return body;
}
public void state(JFormatter f) {
f.i();
if( !isDefaultCase ) {
f.p("case ").g(label).p(':').nl();
} else {
f.p("default:").nl();
}
if (body != null)
f.s(body);
f.o();
}
}