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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.taskdefs.condition;
import java.io.File;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.types.selectors.AbstractSelectorContainer;
import org.apache.tools.ant.types.selectors.FileSelector;
import org.apache.tools.ant.util.FileUtils;
/**
* This is a condition that checks to see if a file passes an embedded selector.
*/
public class IsFileSelected extends AbstractSelectorContainer implements Condition {
private static final FileUtils FILE_UTILS = FileUtils.getFileUtils();
private File file;
private File baseDir;
/**
* The file to check.
* @param file the file to check if if passes the embedded selector.
*/
public void setFile(File file) {
this.file = file;
}
/**
* The base directory to use.
* @param baseDir the base directory to use, if null use the project's
* basedir.
*/
public void setBaseDir(File baseDir) {
this.baseDir = baseDir;
}
/**
* validate the parameters.
*/
public void validate() {
if (selectorCount() != 1) {
throw new BuildException("Only one selector allowed");
}
super.validate();
}
/**
* Evaluate the selector with the file.
* @return true if the file is selected by the embedded selector.
*/
public boolean eval() {
if (file == null) {
throw new BuildException("file attribute not set");
}
validate();
File myBaseDir = baseDir;
if (myBaseDir == null) {
myBaseDir = getProject().getBaseDir();
}
FileSelector f = getSelectors(getProject())[0];
return f.isSelected(
myBaseDir, FILE_UTILS.removeLeadingPath(myBaseDir, file), file);
}
}
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