source: java/installer2/src/net/oni2/aeinstaller/backend/oni/management/tools/ToolFileIterator.java

package net.oni2.aeinstaller.backend.oni.management.tools;

import java.io.File;

import net.oni2.aeinstaller.backend.CaseInsensitiveFile;
import net.oni2.aeinstaller.backend.Paths;
import net.oni2.aeinstaller.backend.packages.Package;
import net.oni2.platformtools.PlatformInformation;
import net.oni2.platformtools.PlatformInformation.Platform;

/**
 * @author Christian Illy
 */
public class ToolFileIterator {

        /**
         * Iterate over tool package files with source and respective target file
         * 
         * @param tool
         *            Tool to iterate over
         * @param handler
         *            Handler to handle found files
         */
        public static void iteratePlatformToolFiles(Package tool,
                        ToolFileIteratorEntry handler) {
                File plain = CaseInsensitiveFile.getCaseInsensitiveFile(
                                tool.getLocalPath(), "plain");
                if (plain.exists()) {
                        if (tool.hasSeparatePlatformDirs()) {
                                File plainCommon = CaseInsensitiveFile.getCaseInsensitiveFile(
                                                plain, "common");
                                File plainMac = CaseInsensitiveFile.getCaseInsensitiveFile(
                                                plain, "mac_only");
                                File plainWin = CaseInsensitiveFile.getCaseInsensitiveFile(
                                                plain, "win_only");
                                if (plainCommon.exists())
                                        iterateFiles(plainCommon, Paths.getEditionBasePath(),
                                                        handler);
                                if (PlatformInformation.getPlatform() == Platform.MACOS
                                                && plainMac.exists())
                                        iterateFiles(plainMac, Paths.getEditionBasePath(), handler);
                                else if (plainWin.exists())
                                        iterateFiles(plainWin, Paths.getEditionBasePath(), handler);
                        } else {
                                iterateFiles(plain, Paths.getEditionBasePath(), handler);
                        }
                }
        }

        private static void iterateFiles(File srcFolder, File targetFolder,
                        ToolFileIteratorEntry handler) {
                for (File f : srcFolder.listFiles()) {
                        if (f.isDirectory()) {
                                if (f.getName().endsWith(".app")) {
                                        handler.toolFile(f, new File(targetFolder, f.getName()), f.isDirectory());
                                }
                                iterateFiles(f, CaseInsensitiveFile.getCaseInsensitiveFile(
                                                targetFolder, f.getName()), handler);
                        } else {
                                handler.toolFile(f, new File(targetFolder, f.getName()), f.isDirectory());
                        }
                }
        }

}