source: release-kits/lirk3/bin/ant-installer/src/org/tp23/antinstaller/runtime/AntRunner.java@ 14982

/* 
 * Copyright 2005 Paul Hinds
 *
 * 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;

import org.tp23.antinstaller.InstallerContext;
import org.tp23.antinstaller.antmod.RuntimeLauncher;
import org.tp23.antinstaller.page.Page;

/**
 * Abstract Runner superclass that handles the runPost(page) to execute
 * ant tasks mid display.
 * @author teknopaul
 */
public abstract class AntRunner implements Runner{

    private RuntimeLauncher launcher = null;
    private InstallerContext ctx;
    
    public AntRunner(InstallerContext ctx) {
        this.ctx = ctx;
    }

    protected void runPost(Page page){
        String postTarget = page.getPostDisplayTarget();
        if(postTarget != null){
            if(launcher == null){
                prepareLauncher();
            }
            launcher.updateProps();
            launcher.run(postTarget);
        }
    }
    /**
     * This should never get run if there are no postTargets
     *
     */
    private void prepareLauncher(){
        launcher = new RuntimeLauncher(ctx);
        launcher.parseProject();
    }
}