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/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999 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.tools.ant.types;
import org.apache.tools.ant.DirectoryScanner;
import java.io.File;
/**
* ZipScanner accesses the pattern matching algorithm in DirectoryScanner,
* which are protected methods that can only be accessed by subclassing.
*
* This implementation of FileScanner defines getIncludedFiles to return
* only the Zip File which is being scanned, not the matching Zip entries.
* Arguably, it should return the matching entries, however this would
* complicate existing code which assumes that FileScanners return a
* set of file system files that can be accessed directly.
*
* @author Don Ferguson <a href="mailto:don@bea.com">don@bea.com</a>
*/
public class ZipScanner extends DirectoryScanner {
/**
* The zip file which should be scanned.
*/
protected String srcFile;
/**
* Sets the srcFile for scanning. This is the jar or zip file that is scanned
* for matching entries.
*
* @param srcFile the (non-null) zip file name for scanning
*/
public void setSrc(String srcFile) {
this.srcFile = srcFile;
}
/**
* Returns the zip file itself, not the matching entries within the zip file.
* This keeps the uptodate test in the Zip task simple; otherwise we'd need
* to treat zip filesets specially.
*
* @return the source file from which entries will be extracted.
*/
public String[] getIncludedFiles() {
String[] result = new String[1];
result[0] = srcFile;
return result;
}
/**
* Returns an empty list of directories to create.
*/
public String[] getIncludedDirectories() {
return new String[0];
}
/**
* Initialize DirectoryScanner data structures.
*/
public void init() {
if (includes == null) {
// No includes supplied, so set it to 'matches all'
includes = new String[1];
includes[0] = "**";
}
if (excludes == null) {
excludes = new String[0];
}
}
/**
* Matches a jar entry against the includes/excludes list,
* normalizing the path separator.
*
* @param path the (non-null) path name to test for inclusion
*
* @return <code>true</code> if the path should be included
* <code>false</code> otherwise.
*/
public boolean match(String path) {
String vpath = path.replace('/', File.separatorChar).
replace('\\', File.separatorChar);
return isIncluded(vpath) && !isExcluded(vpath);
}
}
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