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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.
*
*/
package org.apache.tools.ant.types.resources.selectors;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.types.EnumeratedAttribute;
import org.apache.tools.ant.types.Resource;
/**
* Type file/dir ResourceSelector.
* @since Ant 1.7
*/
public class Type implements ResourceSelector {
private static final String FILE_ATTR = "file";
private static final String DIR_ATTR = "dir";
private static final String ANY_ATTR = "any";
/** Static file type selector. */
public static final Type FILE = new Type(new FileDir(FILE_ATTR));
/** Static dir type selector. */
public static final Type DIR = new Type(new FileDir(DIR_ATTR));
/** Static any type selector. Since Ant 1.8. */
public static final Type ANY = new Type(new FileDir(ANY_ATTR));
/**
* Implements the type attribute.
*/
public static class FileDir extends EnumeratedAttribute {
private static final String[] VALUES = new String[] {FILE_ATTR, DIR_ATTR, ANY_ATTR};
/**
* Default constructor.
*/
public FileDir() {
}
/**
* Convenience constructor.
* @param value the String EnumeratedAttribute value.
*/
public FileDir(final String value) {
setValue(value);
}
/**
* Return the possible values.
* @return a String array.
*/
@Override
public String[] getValues() {
return VALUES;
}
}
private FileDir type = null;
/**
* Default constructor.
*/
public Type() {
}
/**
* Convenience constructor.
* @param fd the FileDir type.
*/
public Type(final FileDir fd) {
setType(fd);
}
/**
* Set type; file|dir.
* @param fd a FileDir object.
*/
public void setType(final FileDir fd) {
type = fd;
}
/**
* Return true if this Resource is selected.
* @param r the Resource to check.
* @return whether the Resource was selected.
*/
public boolean isSelected(final Resource r) {
if (type == null) {
throw new BuildException("The type attribute is required.");
}
final int i = type.getIndex();
return i == 2 || (r.isDirectory() ? i == 1 : i == 0);
}
}
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