| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2000 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, if |
| * any, must include the following acknowlegement: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowlegement may appear in the software itself, |
| * if and wherever such third-party acknowlegements normally appear. |
| * |
| * 4. The names "The Jakarta Project", "Ant", and "Apache Software |
| * Foundation" must not be used to endorse or promote products derived |
| * from this software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache" |
| * nor may "Apache" appear in their names without prior written |
| * permission of the Apache Group. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| |
| package org.apache.ant.core.types; |
| |
| import java.io.*; |
| import java.util.*; |
| import org.apache.ant.core.execution.*; |
| |
| /** |
| * A DirectoryFileset is a fileset where the files come from a directory and |
| * its subdirectories. |
| */ |
| public class DirectoryScanner extends AbstractScanner { |
| /** The directory which is the root of the search space. */ |
| File basedir; |
| |
| /** |
| * The files that where found and matched at least one includes, and matched |
| * no excludes. |
| */ |
| protected List filesIncluded; |
| |
| /** |
| * The files that where found and did not match any includes. |
| */ |
| protected List filesNotIncluded; |
| |
| /** |
| * The files that where found and matched at least one includes, and also |
| * matched at least one excludes. |
| */ |
| protected List filesExcluded; |
| |
| /** |
| * The directories that where found and matched at least one includes, and |
| * matched no excludes. |
| */ |
| protected List dirsIncluded; |
| |
| /** |
| * The directories that where found and did not match any includes. |
| */ |
| protected List dirsNotIncluded; |
| |
| /** |
| * The files that where found and matched at least one includes, and also |
| * matched at least one excludes. |
| */ |
| protected List dirsExcluded; |
| |
| /** Map to map filenames to actual File objects */ |
| private Map filenameMap = null; |
| |
| public DirectoryScanner(File basedir, List patternSets, |
| boolean useDefaultExcludes) throws ExecutionException { |
| super(patternSets, useDefaultExcludes); |
| this.basedir = basedir; |
| } |
| |
| public String[] getIncludedFiles() throws ExecutionException { |
| if (filesIncluded == null) { |
| scan(); |
| } |
| |
| return (String[])filesIncluded.toArray(new String[0]); |
| } |
| |
| /** |
| * Scans the base directory for files that match at least one include |
| * pattern, and don't match any exclude patterns. |
| * |
| * @throws ExecutionException when basedir was set incorrecly |
| */ |
| public void scan() throws ExecutionException { |
| if (basedir == null) { |
| throw new ExecutionException("The directory to scan has not been set"); |
| } |
| if (!basedir.exists()) { |
| throw new ExecutionException("basedir \"" + basedir |
| + "\" does not exist"); |
| } |
| if (!basedir.isDirectory()) { |
| throw new ExecutionException("basedir \"" + basedir |
| + "\" is not a directory"); |
| } |
| |
| filesIncluded = new ArrayList(); |
| filesNotIncluded = new ArrayList(); |
| filesExcluded = new ArrayList(); |
| dirsIncluded = new ArrayList(); |
| dirsNotIncluded = new ArrayList(); |
| dirsExcluded = new ArrayList(); |
| filenameMap = new HashMap(); |
| |
| String root = ""; |
| String mappedRoot = mapName(root); |
| filenameMap.put(mappedRoot, root); |
| if (isIncluded(root)) { |
| if (!isExcluded(root)) { |
| dirsIncluded.add(mappedRoot); |
| } else { |
| dirsExcluded.add(mappedRoot); |
| } |
| } else { |
| dirsNotIncluded.add(mappedRoot); |
| } |
| scandir(basedir, root, true); |
| } |
| |
| /** |
| * Scans the passed dir for files and directories. Found files and |
| * directories are placed in their respective collections, based on the |
| * matching of includes and excludes. When a directory is found, it is |
| * scanned recursively. |
| * |
| * @param dir the directory to scan |
| * @param vpath the path relative to the basedir (needed to prevent |
| * problems with an absolute path when using dir) |
| * |
| * @see #filesIncluded |
| * @see #filesNotIncluded |
| * @see #filesExcluded |
| * @see #dirsIncluded |
| * @see #dirsNotIncluded |
| * @see #dirsExcluded |
| */ |
| protected void scandir(File dir, String vpath, boolean fast) |
| throws ExecutionException { |
| String[] newfiles = dir.list(); |
| |
| if (newfiles == null) { |
| /* |
| * two reasons are mentioned in the API docs for File.list |
| * (1) dir is not a directory. This is impossible as |
| * we wouldn't get here in this case. |
| * (2) an IO error occurred (why doesn't it throw an exception |
| * then???) |
| */ |
| throw new ExecutionException ("IO error scanning directory " |
| + dir.getAbsolutePath()); |
| } |
| |
| for (int i = 0; i < newfiles.length; i++) { |
| String name = vpath+newfiles[i]; |
| String mappedName = mapName(name); |
| filenameMap.put(mappedName, name); |
| File file = new File(dir,newfiles[i]); |
| if (file.isDirectory()) { |
| if (isIncluded(name)) { |
| if (!isExcluded(name)) { |
| dirsIncluded.add(mappedName); |
| if (fast) { |
| scandir(file, name+File.separator, fast); |
| } |
| } else { |
| dirsExcluded.add(mappedName); |
| } |
| } else { |
| dirsNotIncluded.add(mappedName); |
| if (fast && couldHoldIncluded(name)) { |
| scandir(file, name+File.separator, fast); |
| } |
| } |
| if (!fast) { |
| scandir(file, name+File.separator, fast); |
| } |
| } else if (file.isFile()) { |
| if (isIncluded(name)) { |
| if (!isExcluded(name)) { |
| filesIncluded.add(mappedName); |
| } else { |
| filesExcluded.add(mappedName); |
| } |
| } else { |
| filesNotIncluded.add(mappedName); |
| } |
| } |
| } |
| } |
| |
| private String mapName(String rawName) { |
| return "bozo/" + rawName; |
| } |
| |
| public File getLocalFile(String mappedName) throws ExecutionException { |
| if (filesIncluded == null) { |
| scan(); |
| } |
| |
| String realName = (String)filenameMap.get(mappedName); |
| if (realName == null) { |
| throw new ExecutionException("\"" + mappedName + "\" was not included in the scan."); |
| } |
| |
| return new File(basedir, realName); |
| } |
| |
| public String toString() { |
| try { |
| String[] files = getIncludedFiles(); |
| StringBuffer sb = new StringBuffer(); |
| String lsep = System.getProperty("line.separator"); |
| for (int i = 0; i < files.length; ++i) { |
| sb.append(files[i]); |
| sb.append(lsep); |
| } |
| |
| return sb.toString(); |
| } |
| catch (ExecutionException e) { |
| return "Fileset from \"" + basedir + "\""; |
| } |
| } |
| } |