protected void doFileOperations()

in src/main/org/apache/tools/ant/taskdefs/Move.java [107:203]
88 lines of code
25 McCabe index (conditional complexity)

    protected void doFileOperations() {
        //Attempt complete directory renames, if any, first.
        if (completeDirMap.size() > 0) {
            for (Map.Entry<File, File> entry : completeDirMap.entrySet()) {
                File fromDir = entry.getKey();
                File toDir = entry.getValue();
                boolean renamed = false;
                try {
                    log("Attempting to rename dir: " + fromDir + " to " + toDir, verbosity);
                    renamed = renameFile(fromDir, toDir, filtering, forceOverwrite);
                } catch (IOException ioe) {
                    String msg = "Failed to rename dir " + fromDir
                            + " to " + toDir + " due to " + ioe.getMessage();
                    throw new BuildException(msg, ioe, getLocation());
                }
                if (!renamed) {
                    FileSet fs = new FileSet();
                    fs.setProject(getProject());
                    fs.setDir(fromDir);
                    addFileset(fs);
                    DirectoryScanner ds = fs.getDirectoryScanner(getProject());
                    scan(fromDir, toDir, ds.getIncludedFiles(), ds.getIncludedDirectories());
                }
            }
        }
        int moveCount = fileCopyMap.size();
        if (moveCount > 0) {   // files to move
            log("Moving " + moveCount + " file" + ((moveCount == 1) ? "" : "s")
                    + " to " + destDir.getAbsolutePath());

            for (Map.Entry<String, String[]> entry : fileCopyMap.entrySet()) {
                String fromFile = entry.getKey();
                File f = new File(fromFile);
                boolean selfMove = false;
                if (f.exists()) { //Is this file still available to be moved?
                    String[] toFiles = entry.getValue();
                    for (int i = 0; i < toFiles.length; i++) {
                        String toFile = toFiles[i];

                        if (fromFile.equals(toFile)) {
                            log("Skipping self-move of " + fromFile, verbosity);
                            selfMove = true;

                            // if this is the last time through the loop then
                            // move will not occur, but that's what we want
                            continue;
                        }
                        File d = new File(toFile);
                        if ((i + 1) == toFiles.length && !selfMove) {
                            // Only try to move if this is the last mapped file
                            // and one of the mappings isn't to itself
                            moveFile(f, d, filtering, forceOverwrite);
                        } else {
                            copyFile(f, d, filtering, forceOverwrite);
                        }
                    }
                }
            }
        }

        if (includeEmpty) {
            int createCount = 0;
            for (Map.Entry<String, String[]> entry : dirCopyMap.entrySet()) {
                String fromDirName = entry.getKey();
                boolean selfMove = false;
                for (String toDirName : entry.getValue()) {
                    if (fromDirName.equals(toDirName)) {
                        log("Skipping self-move of " + fromDirName, verbosity);
                        selfMove = true;
                        continue;
                    }
                    File d = new File(toDirName);
                    if (!d.exists()) {
                        if (!d.mkdirs() && !d.exists()) {
                            log("Unable to create directory "
                                    + d.getAbsolutePath(), Project.MSG_ERR);
                        } else {
                            createCount++;
                        }
                    }
                }
                File fromDir = new File(fromDirName);
                if (!selfMove && okToDelete(fromDir)) {
                    deleteDir(fromDir);
                }
            }
            if (createCount > 0) {
                log("Moved " + dirCopyMap.size()
                        + " empty director"
                        + (dirCopyMap.size() == 1 ? "y" : "ies")
                        + " to " + createCount
                        + " empty director"
                        + (createCount == 1 ? "y" : "ies") + " under "
                        + destDir.getAbsolutePath());
            }
        }
    }