diff options
Diffstat (limited to 'base/common/src/com/netscape/cmscore/policy/AndExpression.java')
-rw-r--r-- | base/common/src/com/netscape/cmscore/policy/AndExpression.java | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/base/common/src/com/netscape/cmscore/policy/AndExpression.java b/base/common/src/com/netscape/cmscore/policy/AndExpression.java new file mode 100644 index 000000000..459660f1e --- /dev/null +++ b/base/common/src/com/netscape/cmscore/policy/AndExpression.java @@ -0,0 +1,60 @@ +// --- BEGIN COPYRIGHT BLOCK --- +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; version 2 of the License. +// +// This program 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 for more details. +// +// You should have received a copy of the GNU General Public License along +// with this program; if not, write to the Free Software Foundation, Inc., +// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +// +// (C) 2007 Red Hat, Inc. +// All rights reserved. +// --- END COPYRIGHT BLOCK --- +package com.netscape.cmscore.policy; + +import com.netscape.certsrv.policy.EPolicyException; +import com.netscape.certsrv.policy.IExpression; +import com.netscape.certsrv.request.IRequest; + +/** + * This class represents an expression of the form + * <var1 op val1 AND var2 op va2>. + * + * Expressions are used as predicates for policy selection. + * + * @deprecated + * @author kanda + * @version $Revision$, $Date$ + */ +public class AndExpression implements IExpression { + private IExpression mExp1; + private IExpression mExp2; + + public AndExpression(IExpression exp1, IExpression exp2) { + mExp1 = exp1; + mExp2 = exp2; + } + + public boolean evaluate(IRequest req) + throws EPolicyException { + // If an expression is missing we assume applicability. + if (mExp1 == null && mExp2 == null) + return true; + else if (mExp1 != null && mExp2 != null) + return mExp1.evaluate(req) && mExp2.evaluate(req); + else if (mExp1 == null) + return mExp2.evaluate(req); + else + // (if mExp2 == null) + return mExp1.evaluate(req); + } + + public String toString() { + return mExp1.toString() + " AND " + mExp2.toString(); + } +} |