/*
* $Header: /home/cvs/jakarta-slide/src/webdav/client/src/org/apache/webdav/ant/taskdefs/WebdavMatchingTask.java,v 1.2 2001/05/01 21:29:41 remm Exp $
* $Revision: 1.2 $
* $Date: 2001/05/01 21:29:41 $
*
* ====================================================================
*
* 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", "Tomcat", 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.webdav.ant.taskdefs;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.net.URL;
import java.util.Enumeration;
import java.util.StringTokenizer;
import java.util.Vector;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.Task;
import org.apache.webdav.ant.CollectionScanner;
import org.apache.webdav.ant.ScanException;
import org.apache.webdav.ant.Scanner;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
public abstract class WebdavMatchingTask extends Task { // ... extends MatchingTask {
// TODO: update for PatternSets, et al
protected HttpClient client = new HttpClient();
protected Vector includeList = new Vector();
protected Vector excludeList = new Vector();
protected boolean useDefaultExcludes = true;
/**
* Returns the collection scanner needed to access the resources to get.
*/
protected Scanner getScanner(URL baseURL) throws ScanException {
CollectionScanner scanner = new CollectionScanner();
scanner.setBaseURL(baseURL);
scanner.setIncludes(makeArray(includeList));
scanner.setExcludes(makeArray(excludeList));
scanner.setHttpClient(client);
if (useDefaultExcludes) {
scanner.addDefaultExcludes();
}
scanner.scan();
return scanner;
}
/**
* provide access to properties from within the inner class
*/
protected String getProperty(String name) {
return project.getProperty(name);
}
/**
* inner class to hold a name on list. "If" and "Unless" attributes
* may be used to invalidate the entry based on the existence of a
* property (typically set thru the use of the Available task).
*/
public class NameEntry {
private boolean valid = true;
private String name;
public String getName() { return valid ? name : null; }
public void setName(String name) { this.name = name; }
public void setIf(String name) {
if (getProperty(name) == null) valid = false;
}
public void setUnless(String name) {
if (getProperty(name) != null) valid = false;
}
}
/**
* add a name entry on the include list
*/
public NameEntry createInclude() {
return addPatternToList(includeList);
}
/**
* add a name entry on the exclude list
*/
public NameEntry createExclude() {
return addPatternToList(excludeList);
}
/**
* Sets the set of include patterns. Patterns may be separated by a comma
* or a space.
*
* @param includes the string containing the include patterns
*/
public void setIncludes(String includes) {
if (includes != null && includes.length() > 0) {
createInclude().setName(includes);
}
}
/**
* Set this to be the items in the base directory that you want to be
* included. You can also specify "*" for the items (ie: items="*")
* and it will include all the items in the base directory.
*
* @param itemString the string containing the files to include.
*/
public void setItems(String itemString) {
log("The items attribute is deprecated. " +
"Please use the includes attribute.",
Project.MSG_WARN);
if (itemString == null || itemString.equals("*")
|| itemString.equals(".")) {
createInclude().setName("**");
} else {
StringTokenizer tok = new StringTokenizer(itemString, ", ");
while (tok.hasMoreTokens()) {
String pattern = tok.nextToken().trim();
if (pattern.length() > 0) {
createInclude().setName(pattern+"/**");
}
}
}
}
/**
* Sets the set of exclude patterns. Patterns may be separated by a comma
* or a space.
*
* @param excludes the string containing the exclude patterns
*/
public void setExcludes(String excludes) {
if (excludes != null && excludes.length() > 0) {
createExclude().setName(excludes);
}
}
/**
* List of filenames and directory names to not include. They should be
* either , or " " (space) separated. The ignored files will be logged.
*
* @param ignoreString the string containing the files to ignore.
*/
public void setIgnore(String ignoreString) {
log("The ignore attribute is deprecated." +
"Please use the excludes attribute.",
Project.MSG_WARN);
if (ignoreString != null && ignoreString.length() > 0) {
Vector tmpExcludes = new Vector();
StringTokenizer tok = new StringTokenizer(ignoreString, ", ", false);
while (tok.hasMoreTokens()) {
createExclude().setName("**/"+tok.nextToken().trim()+"/**");
}
}
}
/**
* Sets whether default exclusions should be used or not.
*
* @param useDefaultExcludes "true"|"on"|"yes" when default exclusions
* should be used, "false"|"off"|"no" when they
* shouldn't be used.
*/
public void setDefaultexcludes(String useDefaultExcludes) {
this.useDefaultExcludes = Project.toBoolean(useDefaultExcludes);
}
/**
* Convert a vector of NameEntry elements into an array of Strings.
*/
private String[] makeArray(Vector list) {
if (list.size() == 0) return null;
Vector tmpNames = new Vector();
for (Enumeration e = list.elements() ; e.hasMoreElements() ;) {
String includes = ((NameEntry)e.nextElement()).getName();
if (includes == null) continue;
StringTokenizer tok = new StringTokenizer(includes, ", ", false);
while (tok.hasMoreTokens()) {
String pattern = tok.nextToken().trim();
if (pattern.length() > 0) {
tmpNames.addElement(pattern);
}
}
}
String result[] = new String[tmpNames.size()];
for (int i = 0; i < tmpNames.size(); i++) {
result[i] = (String)tmpNames.elementAt(i);
}
return result;
}
/**
* add a name entry to the given list
*/
private NameEntry addPatternToList(Vector list) {
NameEntry result = new NameEntry();
list.addElement(result);
return result;
}
/**
* Reads path matching patterns from a file and adds them to the
* includes or excludes list (as appropriate).
*/
private void readPatterns(File patternfile, Vector patternlist) {
try {
// Get a FileReader
BufferedReader patternReader =
new BufferedReader(new FileReader(patternfile));
// Create one NameEntry in the appropriate pattern list for each
// line in the file.
String line = patternReader.readLine();
while (line != null) {
if (line.length() > 0) {
addPatternToList(patternlist).setName(line);
}
line = patternReader.readLine();
}
} catch(IOException ioe) {
log("An error occured while reading from pattern file: "
+ patternfile, Project.MSG_ERR);
}
}
/**
* Sets the name of the file containing the includes patterns.
*
* @param includesfile A string containing the filename to fetch
* the include patterns from.
*/
public void setIncludesfile(String includesfile) {
if (includesfile != null && includesfile.length() > 0) {
File incl = project.resolveFile(includesfile);
if (!incl.exists()) {
log("Includesfile "+includesfile+" not found.",
Project.MSG_ERR);
} else {
readPatterns(incl, includeList);
}
}
}
/**
* Sets the name of the file containing the includes patterns.
*
* @param excludesfile A string containing the filename to fetch
* the include patterns from.
*/
public void setExcludesfile(String excludesfile) {
if (excludesfile != null && excludesfile.length() > 0) {
File excl = project.resolveFile(excludesfile);
if (!excl.exists()) {
log("Excludesfile "+excludesfile+" not found.",
Project.MSG_ERR);
} else {
readPatterns(excl, excludeList);
}
}
}
}