blob: 5a4da15a08f57a6223909c0545fe8eeab40ce093 [file] [log] [blame]
/*
* 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.resources.selectors;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.types.RegularExpression;
import org.apache.tools.ant.types.Resource;
import org.apache.tools.ant.types.selectors.SelectorUtils;
import org.apache.tools.ant.util.regexp.Regexp;
import org.apache.tools.ant.util.regexp.RegexpUtil;
/**
* Name ResourceSelector.
* @since Ant 1.7
*/
public class Name implements ResourceSelector {
private String regex = null;
private String pattern;
private boolean cs = true;
private boolean handleDirSep = false;
// caches for performance reasons
private RegularExpression reg;
private Regexp expression;
private Project project;
public void setProject(Project p) {
project = p;
}
/**
* Set the pattern to compare names against.
* @param n the pattern String to set.
*/
public void setName(String n) {
pattern = n;
}
/**
* Get the pattern used by this Name ResourceSelector.
* @return the String selection pattern.
*/
public String getName() {
return pattern;
}
/**
* Set the regular expression to compare names against.
* @param r the regex to set.
* @since Ant 1.8.0
*/
public void setRegex(String r) {
regex = r;
reg = null;
}
/**
* Get the regular expression used by this Name ResourceSelector.
* @return the String selection pattern.
* @since Ant 1.8.0
*/
public String getRegex() {
return regex;
}
/**
* Set whether the name comparisons are case-sensitive.
* @param b boolean case-sensitivity flag.
*/
public void setCaseSensitive(boolean b) {
cs = b;
}
/**
* Learn whether this Name ResourceSelector is case-sensitive.
* @return boolean case-sensitivity flag.
*/
public boolean isCaseSensitive() {
return cs;
}
/**
* Attribute specifying whether to ignore the difference
* between / and \ (the two common directory characters).
* @param handleDirSep a boolean, default is false.
* @since Ant 1.8.0
*/
public void setHandleDirSep(boolean handleDirSep) {
this.handleDirSep = handleDirSep;
}
/**
* Whether the difference between / and \ (the two common
* directory characters) is ignored.
* @return boolean
* @since Ant 1.8.0
*/
public boolean doesHandledirSep() {
return handleDirSep;
}
/**
* Return true if this Resource is selected.
* @param r the Resource to check.
* @return whether the Resource was selected.
*/
public boolean isSelected(Resource r) {
String n = r.getName();
if (matches(n)) {
return true;
}
String s = r.toString();
return s.equals(n) ? false : matches(s);
}
private boolean matches(String name) {
if (pattern != null) {
return SelectorUtils.match(modify(pattern), modify(name), cs);
} else {
if (reg == null) {
reg = new RegularExpression();
reg.setPattern(regex);
expression = reg.getRegexp(project);
}
return expression.matches(modify(name), RegexpUtil.asOptions(cs));
}
}
private String modify(String s) {
if (s == null || !handleDirSep || !s.contains("\\")) {
return s;
}
return s.replace('\\', '/');
}
}