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/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* Licensed 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.jetbrains.jps.gradle.model.impl;
import com.intellij.openapi.util.io.FileUtil;
import org.gradle.api.file.RelativePath;
import org.gradle.api.internal.file.pattern.PatternMatcherFactory;
import org.gradle.api.specs.Spec;
import org.gradle.api.specs.Specs;
import org.jetbrains.annotations.NotNull;
import java.io.File;
import java.io.FileFilter;
import java.util.ArrayList;
import java.util.Collection;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.regex.Pattern;
/**
* @author Vladislav.Soroka
* @since 7/10/2014
*/
public class GradleResourceFileFilter implements FileFilter {
private FilePattern myFilePattern;
private File myRoot;
private final Spec<RelativePath> myFileFilterSpec;
public GradleResourceFileFilter(@NotNull File rootFile, @NotNull FilePattern filePattern) {
myFilePattern = filePattern;
myRoot = rootFile;
myFileFilterSpec = getAsSpec();
}
@Override
public boolean accept(@NotNull File file) {
final String relPath = FileUtil.getRelativePath(myRoot, file);
return relPath != null && isIncluded(relPath);
}
private boolean isIncluded(@NotNull String relativePath) {
RelativePath path = new RelativePath(true, relativePath.split(Pattern.quote(File.separator)));
return myFileFilterSpec.isSatisfiedBy(path);
}
private Spec<RelativePath> getAsSpec() {
return Specs.and(getAsIncludeSpec(true), Specs.not(getAsExcludeSpec(true)));
}
private Spec<RelativePath> getAsExcludeSpec(boolean caseSensitive) {
Collection<String> allExcludes = new LinkedHashSet<String>(myFilePattern.excludes);
List<Spec<RelativePath>> matchers = new ArrayList<Spec<RelativePath>>();
for (String exclude : allExcludes) {
Spec<RelativePath> patternMatcher = PatternMatcherFactory.getPatternMatcher(false, caseSensitive, exclude);
matchers.add(patternMatcher);
}
return Specs.or(false, matchers);
}
private Spec<RelativePath> getAsIncludeSpec(boolean caseSensitive) {
List<Spec<RelativePath>> matchers = new ArrayList<Spec<RelativePath>>();
for (String include : myFilePattern.includes) {
Spec<RelativePath> patternMatcher = PatternMatcherFactory.getPatternMatcher(true, caseSensitive, include);
matchers.add(patternMatcher);
}
return Specs.or(true, matchers);
}
}
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