1 /* 
2  * Copyright 2005 Paul Hinds
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package org.tp23.antinstaller.runtime.exe;
17
18import java.io.File;
19import java.io.IOException;
20
21import org.tp23.antinstaller.DefaultPropertiesFileRenderer;
22import org.tp23.antinstaller.ExplicitPropertiesFileRenderer;
23import org.tp23.antinstaller.InstallException;
24import org.tp23.antinstaller.InstallerContext;
25import org.tp23.antinstaller.PropertiesFileRenderer;
26import org.tp23.antinstaller.input.ResultContainer;
27
28
29/**
30 * @author Paul Hinds
31 * @version $Id: PropertyPrinterFilter.java,v 1.5 2006/12/28 00:57:53 teknopaul Exp $
32 */
33public class PropertyPrinterFilter implements ExecuteFilter {
34
35    /**
36     * @see org.tp23.antinstaller.runtime.exe.ExecuteFilter#exec(org.tp23.antinstaller.InstallerContext)
37     */
38    public void exec(InstallerContext ctx) throws InstallException {
39        ResultContainer results = ctx.getInstaller().getResultContainer();
40        results.setProperty(PropertiesFileRenderer.FILE_ROOT_PROPERTY,
41                            ctx.getFileRoot().getAbsolutePath());
42
43        printProperties(ctx);
44        
45        if(ctx.getInstaller().isVerbose()){
46            ctx.log("Properties printed:" + ctx.getFileRoot().getAbsolutePath() 
47                    + File.separatorChar + PropertiesFileRenderer.PROPERTIES_FILE_NAME);
48        }
49    }
50    /**
51     *
52     * @param installer Installer
53     * @throws IOException
54     */
55    private void printProperties(InstallerContext ctx) {
56        PropertiesFileRenderer propRenderer;
57        if(ctx.getInstaller().isVerbose()){
58            propRenderer = new ExplicitPropertiesFileRenderer();
59        }
60        else{
61            propRenderer = new DefaultPropertiesFileRenderer();
62        }
63        // render properties for reuse in auto builds
64        File currentDir = new File(".");
65        ctx.log("auto build supported: " + ctx.getInstaller().supportsAutoBuild());
66        boolean alreadyWritten = false;
67        if(currentDir.canWrite() && ctx.getInstaller().supportsAutoBuild()){
68            if(ctx.getInstaller().isVerbose()){
69                try {
70                    ctx.log("Rendering properties in the current directory: " + currentDir.getCanonicalPath());
71                } catch (IOException e) {
72                    // oh well never mind
73                }
74            }
75            propRenderer.renderProperties(ctx, currentDir);
76            alreadyWritten = true;
77        }
78        if( ! currentDir.equals(ctx.getFileRoot()) || !alreadyWritten){
79            propRenderer.renderProperties(ctx, ctx.getFileRoot());
80        }
81    }
82
83}
84