| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.tools.ant.taskdefs; |
| |
| import java.io.File; |
| import org.apache.tools.ant.BuildException; |
| import org.apache.tools.ant.Task; |
| import org.apache.tools.ant.Project; |
| |
| /** |
| * Creates a given directory. |
| * Creates a directory and any non-existent parent directories, when |
| * necessary |
| * |
| * @since Ant 1.1 |
| * |
| * @ant.task category="filesystem" |
| */ |
| |
| public class Mkdir extends Task { |
| |
| private static final int MKDIR_RETRY_SLEEP_MILLIS = 10; |
| /** |
| * our little directory |
| */ |
| private File dir; |
| |
| /** |
| * create the directory and all parents |
| * @throws BuildException if dir is somehow invalid, or creation failed. |
| */ |
| public void execute() throws BuildException { |
| if (dir == null) { |
| throw new BuildException("dir attribute is required", getLocation()); |
| } |
| |
| if (dir.isFile()) { |
| throw new BuildException("Unable to create directory as a file " |
| + "already exists with that name: " |
| + dir.getAbsolutePath()); |
| } |
| |
| if (!dir.exists()) { |
| boolean result = mkdirs(dir); |
| if (!result) { |
| String msg = "Directory " + dir.getAbsolutePath() |
| + " creation was not successful for an unknown reason"; |
| throw new BuildException(msg, getLocation()); |
| } |
| log("Created dir: " + dir.getAbsolutePath()); |
| } else { |
| log("Skipping " + dir.getAbsolutePath() |
| + " because it already exists.", Project.MSG_VERBOSE); |
| } |
| } |
| |
| /** |
| * the directory to create; required. |
| * |
| * @param dir the directory to be made. |
| */ |
| public void setDir(File dir) { |
| this.dir = dir; |
| } |
| /** |
| * Attempt to fix possible race condition when creating |
| * directories on WinXP. If the mkdirs does not work, |
| * wait a little and try again. |
| */ |
| private boolean mkdirs(File f) { |
| if (!f.mkdirs()) { |
| try { |
| Thread.sleep(MKDIR_RETRY_SLEEP_MILLIS); |
| return f.mkdirs(); |
| } catch (InterruptedException ex) { |
| return f.mkdirs(); |
| } |
| } |
| return true; |
| } |
| } |
| |