diff options
Diffstat (limited to 'framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/selectors/TokenizedPath.java')
| -rw-r--r-- | framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/selectors/TokenizedPath.java | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/selectors/TokenizedPath.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/selectors/TokenizedPath.java deleted file mode 100644 index a712759c..00000000 --- a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/selectors/TokenizedPath.java +++ /dev/null @@ -1,222 +0,0 @@ -/* - * 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.types.selectors; - -import java.io.File; - -import org.apache.tools.ant.BuildException; -import org.apache.tools.ant.util.FileUtils; -import org.apache.tools.ant.util.SymbolicLinkUtils; - -/** - * Container for a path that has been split into its components. - * @since 1.8.0 - */ -public class TokenizedPath { - - /** - * Instance that holds no tokens at all. - */ - public static final TokenizedPath EMPTY_PATH = - new TokenizedPath("", new String[0]); - - /** Helper. */ - private static final FileUtils FILE_UTILS = FileUtils.getFileUtils(); - /** Helper. */ - private static final SymbolicLinkUtils SYMLINK_UTILS = - SymbolicLinkUtils.getSymbolicLinkUtils(); - /** iterations for case-sensitive scanning. */ - private static final boolean[] CS_SCAN_ONLY = new boolean[] {true}; - /** iterations for non-case-sensitive scanning. */ - private static final boolean[] CS_THEN_NON_CS = new boolean[] {true, false}; - - private final String path; - private final String[] tokenizedPath; - - /** - * Initialize the TokenizedPath by parsing it. - * @param path The path to tokenize. Must not be - * <code>null</code>. - */ - public TokenizedPath(String path) { - this(path, SelectorUtils.tokenizePathAsArray(path)); - } - - /** - * Creates a new path as a child of another path. - * - * @param parent the parent path - * @param child the child, must not contain the file separator - */ - public TokenizedPath(TokenizedPath parent, String child) { - if (parent.path.length() > 0 - && parent.path.charAt(parent.path.length() - 1) - != File.separatorChar) { - path = parent.path + File.separatorChar + child; - } else { - path = parent.path + child; - } - tokenizedPath = new String[parent.tokenizedPath.length + 1]; - System.arraycopy(parent.tokenizedPath, 0, tokenizedPath, 0, - parent.tokenizedPath.length); - tokenizedPath[parent.tokenizedPath.length] = child; - } - - /* package */ TokenizedPath(String path, String[] tokens) { - this.path = path; - this.tokenizedPath = tokens; - } - - /** - * @return The original path String - */ - @Override - public String toString() { - return path; - } - - /** - * The depth (or length) of a path. - */ - public int depth() { - return tokenizedPath.length; - } - - /* package */ String[] getTokens() { - return tokenizedPath; - } - - /** - * From <code>base</code> traverse the filesystem in order to find - * a file that matches the given name. - * - * @param base base File (dir). - * @param cs whether to scan case-sensitively. - * @return File object that points to the file in question or null. - */ - public File findFile(File base, final boolean cs) { - String[] tokens = tokenizedPath; - if (FileUtils.isAbsolutePath(path)) { - if (base == null) { - String[] s = FILE_UTILS.dissect(path); - base = new File(s[0]); - tokens = SelectorUtils.tokenizePathAsArray(s[1]); - } else { - File f = FILE_UTILS.normalize(path); - String s = FILE_UTILS.removeLeadingPath(base, f); - if (s.equals(f.getAbsolutePath())) { - //removing base from path yields no change; path - //not child of base - return null; - } - tokens = SelectorUtils.tokenizePathAsArray(s); - } - } - return findFile(base, tokens, cs); - } - - /** - * Do we have to traverse a symlink when trying to reach path from - * basedir? - * @param base base File (dir). - */ - public boolean isSymlink(File base) { - for (int i = 0; i < tokenizedPath.length; i++) { - try { - if ((base != null - && SYMLINK_UTILS.isSymbolicLink(base, tokenizedPath[i])) - || - (base == null - && SYMLINK_UTILS.isSymbolicLink(tokenizedPath[i])) - ) { - return true; - } - base = new File(base, tokenizedPath[i]); - } catch (java.io.IOException ioe) { - String msg = "IOException caught while checking " - + "for links, couldn't get canonical path!"; - // will be caught and redirected to Ant's logging system - System.err.println(msg); - } - } - return false; - } - - /** - * true if the original paths are equal. - */ - @Override - public boolean equals(Object o) { - return o instanceof TokenizedPath - && path.equals(((TokenizedPath) o).path); - } - - @Override - public int hashCode() { - return path.hashCode(); - } - - /** - * From <code>base</code> traverse the filesystem in order to find - * a file that matches the given stack of names. - * - * @param base base File (dir) - must not be null. - * @param pathElements array of path elements (dirs...file). - * @param cs whether to scan case-sensitively. - * @return File object that points to the file in question or null. - */ - private static File findFile(File base, final String[] pathElements, - final boolean cs) { - for (int current = 0; current < pathElements.length; current++) { - if (!base.isDirectory()) { - return null; - } - String[] files = base.list(); - if (files == null) { - throw new BuildException("IO error scanning directory " - + base.getAbsolutePath()); - } - boolean found = false; - boolean[] matchCase = cs ? CS_SCAN_ONLY : CS_THEN_NON_CS; - for (int i = 0; !found && i < matchCase.length; i++) { - for (int j = 0; !found && j < files.length; j++) { - if (matchCase[i] - ? files[j].equals(pathElements[current]) - : files[j].equalsIgnoreCase(pathElements[current])) { - base = new File(base, files[j]); - found = true; - } - } - } - if (!found) { - return null; - } - } - return pathElements.length == 0 && !base.isDirectory() ? null : base; - } - - /** - * Creates a TokenizedPattern from the same tokens that make up - * this path. - */ - public TokenizedPattern toPattern() { - return new TokenizedPattern(path, tokenizedPath); - } - -} |