source: release-kits/lirk3/bin/ant-installer/src/org/tp23/antinstaller/runtime/exe/PropertyPrinterFilter.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.exe;

import java.io.File;
import java.io.IOException;

import org.tp23.antinstaller.DefaultPropertiesFileRenderer;
import org.tp23.antinstaller.ExplicitPropertiesFileRenderer;
import org.tp23.antinstaller.InstallException;
import org.tp23.antinstaller.InstallerContext;
import org.tp23.antinstaller.PropertiesFileRenderer;
import org.tp23.antinstaller.input.ResultContainer;


/**
 * @author Paul Hinds
 * @version $Id: PropertyPrinterFilter.java,v 1.5 2006/12/28 00:57:53 teknopaul Exp $
 */
public class PropertyPrinterFilter implements ExecuteFilter {

    /**
     * @see org.tp23.antinstaller.runtime.exe.ExecuteFilter#exec(org.tp23.antinstaller.InstallerContext)
     */
    public void exec(InstallerContext ctx) throws InstallException {
        ResultContainer results = ctx.getInstaller().getResultContainer();
        results.setProperty(PropertiesFileRenderer.FILE_ROOT_PROPERTY,
                            ctx.getFileRoot().getAbsolutePath());

        printProperties(ctx);
        
        if(ctx.getInstaller().isVerbose()){
            ctx.log("Properties printed:" + ctx.getFileRoot().getAbsolutePath() 
                    + File.separatorChar + PropertiesFileRenderer.PROPERTIES_FILE_NAME);
        }
    }
    /**
     *
     * @param installer Installer
     * @throws IOException
     */
    private void printProperties(InstallerContext ctx) {
        PropertiesFileRenderer propRenderer;
        if(ctx.getInstaller().isVerbose()){
            propRenderer = new ExplicitPropertiesFileRenderer();
        }
        else{
            propRenderer = new DefaultPropertiesFileRenderer();
        }
        // render properties for reuse in auto builds
        File currentDir = new File(".");
        ctx.log("auto build supported: " + ctx.getInstaller().supportsAutoBuild());
        boolean alreadyWritten = false;
        if(currentDir.canWrite() && ctx.getInstaller().supportsAutoBuild()){
            if(ctx.getInstaller().isVerbose()){
                try {
                    ctx.log("Rendering properties in the current directory: " + currentDir.getCanonicalPath());
                } catch (IOException e) {
                    // oh well never mind
                }
            }
            propRenderer.renderProperties(ctx, currentDir);
            alreadyWritten = true;
        }
        if( ! currentDir.equals(ctx.getFileRoot()) || !alreadyWritten){
            propRenderer.renderProperties(ctx, ctx.getFileRoot());
        }
    }

}