exprfilter.java

来自「cqME :java framework for TCK test.」· Java 代码 · 共 86 行

/*
 * $Id$
 *
 * Copyright 1996-2007 Sun Microsystems, Inc. All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 *
 * This program 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.
 *
 * 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 version 2 for more details (a copy is
 * included at /legal/license.txt).
 *
 * 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 or visit www.sun.com if you need additional
 * information or have any questions.
 *
 */

package com.sun.tck.j2me.javatest;

import java.util.logging.Logger;

import com.sun.jck.lib.Expr;
import com.sun.javatest.TestDescription;
import com.sun.javatest.TestEnvironment;
import com.sun.javatest.TestFilter;
import com.sun.javatest.util.I18NResourceBundle;

/**
 * Simple filter for the trusted environment. Provides support for the
 * selectIf test description field.
 */
public class ExprFilter extends TestFilter {

    protected TestEnvironment env;

    public ExprFilter(TestEnvironment env) throws Fault {
        this.env = env;
        log.config("Created ExprFilter");
    }

    public String getName() {
        return "ExprFilter";
    }
    public String getDescription() {
        return "Selects tests using 'selectIf'";
    }

    public String getReason() {
        return "Inappropriate selectIf";
    }

    public boolean accepts(TestDescription td) throws Fault {
        String s = td.getParameter("selectIf");
        if (s == null || s.length() == 0) {
            s = td.getParameter("executeIf");  // deprecated
            if (s == null || s.length() == 0)
            return true;
        }

        try {
            Expr e = Expr.parse(s);
            return e.evalBoolean(env);
        } catch (Expr.Fault e) {
            log.severe("ExprFilter got " + e + ", while processing test: "
                    + td.getRootRelativeURL());
            throw new Fault(i18n, "tf.ExprError", td.getRootRelativeURL());
        }
    }

    private static final I18NResourceBundle i18n =
            I18NResourceBundle.getBundleForClass(ExprFilter.class);

    private static final Logger log = Logger.getLogger(
            ExprFilter.class.getName());
}