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/*
* 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.
*/
/*
* $Id$
*/
package org.apache.qetest.xsl;
import java.io.File;
import java.io.FilenameFilter;
import java.util.Hashtable;
import java.util.StringTokenizer;
/**
* Simple file filter; returns *.xsl non-dir files that start with the directory name.
* Has crude support for an excludes list of filename bases.
* @author shane_curcuru@lotus.com
* @version $Id$
*/
public class ConformanceFileRules implements FilenameFilter
{
/** Initialize for defaults (not using inclusion list) no-op. */
public ConformanceFileRules(){}
/**
* Initialize with a case-sensitive Hash of file names to exclude.
*
* NEEDSDOC @param excludesHash
*/
public ConformanceFileRules(Hashtable excludesHash)
{
setExcludes(excludesHash);
}
/**
* Initialize with a case-insensitive semicolon-delimited String of file names to exclude.
*
* NEEDSDOC @param excludesStr
*/
public ConformanceFileRules(String excludesStr)
{
setExcludes(excludesStr);
}
/**
* Hash of file name portions to exclude.
* <p>Keys are base file names, values in hash are ignored. Note that
* file names may be case-sensitive.</p>
* <p>Note that we will exclude any filename in our excludes.</p>
*/
protected Hashtable excludeFiles = null;
/**
* Accessor methods to set a case-sensitive Hash of file names to exclude.
*
* NEEDSDOC @param exFiles
*/
public void setExcludes(Hashtable exFiles)
{
if (exFiles != null)
excludeFiles = (Hashtable) exFiles.clone();
else
excludeFiles = null;
}
/**
* Accessor methods to set a case-sensitive Hash of file names to exclude.
*
* NEEDSDOC ($objectName$) @return
*/
public Hashtable getExcludes()
{
if (excludeFiles != null)
{
Hashtable tempHash = (Hashtable) excludeFiles.clone();
return tempHash;
}
else
{
return null;
}
}
/**
* Accessor method to set a list of case-insensitive String
* directory name(s) to exclude.
* Names should be separated by {@link #SEPARATOR semicolon}.
*
* NEEDSDOC @param exFiles
*/
public void setExcludes(String exFiles)
{
setExcludes(exFiles, false);
}
/** Semicolon separator for {@link #setExcludes(java.lang.String)}. */
public static final String SEPARATOR = ";";
/**
* Accessor method to set an optionally case-sensitive String file name(s) to exclude.
* <p><b>Note:</b> simply uses .toUpperCase() and .toLowerCase() on the input string(s);
* does not do full case-checking on the entire string!</p>
*
* NEEDSDOC @param exFiles
* NEEDSDOC @param caseSensitive
*/
public void setExcludes(String exFiles, boolean caseSensitive)
{
StringTokenizer st = new StringTokenizer(exFiles, SEPARATOR);
excludeFiles = null;
excludeFiles = new Hashtable();
for (int i = 0; st.hasMoreTokens(); i++)
{
String fName = st.nextToken();
excludeFiles.put(fName, "");
if (!caseSensitive)
{
excludeFiles.put(fName.toUpperCase(), "");
excludeFiles.put(fName.toLowerCase(), "");
}
}
}
/**
* Tests if a specified file should be included in a file list.
* <p>Returns true only for *.xsl files whose names start with
* the name of the directory, case-insensitive (uses .toLowerCase()).
* <b>Except:</b> if any filenames contain an item in excludeFiles.</p>
* @param dir the directory in which the file was found.
* @param name the name of the file.
* @return <code>true</code> if the name should be included in the file list; <code>false</code> otherwise.
* @since JDK1.0
*/
public boolean accept(File dir, String name)
{
// Shortcuts for bogus filenames and dirs
if (name == null || dir == null)
return false;
// Exclude any files that match an exclude rule
if ((excludeFiles != null) && (excludeFiles.containsKey(name)))
return false;
File file = new File(dir, name);
return (!file.isDirectory()) && name.toLowerCase().endsWith("xsl")
&& name.toLowerCase().startsWith(dir.getName().toLowerCase());
}
}
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