source: other-projects/trunk/realistic-books/packages/AntInstaller/src/org/tp23/antinstaller/runtime/logic/LogicalOrTest.java@ 19253

/*
 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.tp23.antinstaller.runtime.logic;

/**
 * @author mwilson
 * @version $Id: LogicalOrTest.java,v 1.2 2006/12/21 00:03:18 teknopaul Exp $
 * @since 0.7.4 patch 2
 */
public class LogicalOrTest implements LogicalTest {
    
    private static final String[] TEST_TOKENS = { "||", "OR" };

    public String[] getTestTokens() {
        return TEST_TOKENS;
    }

    public boolean getTestResult(Expression expression1, Expression expression2) {
        boolean isTrue = false;

        if (expression1 != null) {
            isTrue = expression1.evaluate();
        }
        if (!isTrue && (expression2 != null)) {
            isTrue = expression2.evaluate();
        }

        return isTrue;

    }
}