/*
* Copyright 2007 the original author or authors.
*
* 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.gradle.api.tasks.util;
import com.google.common.collect.Lists;
import com.google.common.collect.Sets;
import groovy.lang.Closure;
import org.apache.tools.ant.DirectoryScanner;
import org.gradle.api.Action;
import org.gradle.api.file.FileTreeElement;
import org.gradle.api.file.RelativePath;
import org.gradle.api.internal.file.RelativePathSpec;
import org.gradle.api.internal.file.pattern.PatternMatcherFactory;
import org.gradle.api.specs.*;
import org.gradle.api.tasks.AntBuilderAware;
import org.gradle.api.tasks.util.internal.PatternSetAntBuilderDelegate;
import org.gradle.internal.typeconversion.NotationParser;
import org.gradle.internal.typeconversion.NotationParserBuilder;
import org.gradle.util.CollectionUtils;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Set;
/**
* Standalone implementation of {@link PatternFilterable}.
*/
public class PatternSet implements AntBuilderAware, PatternFilterable {
private final Set<String> includes = Sets.newLinkedHashSet();
private final Set<String> excludes = Sets.newLinkedHashSet();
private final Set<Spec<FileTreeElement>> includeSpecs = Sets.newLinkedHashSet();
private final Set<Spec<FileTreeElement>> excludeSpecs = Sets.newLinkedHashSet();
private static final NotationParser<Object, String> PARSER = NotationParserBuilder.toType(String.class).fromCharSequence().toComposite();
boolean caseSensitive = true;
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
PatternSet that = (PatternSet) o;
if (caseSensitive != that.caseSensitive) {
return false;
}
if (!excludes.equals(that.excludes)) {
return false;
}
if (!includes.equals(that.includes)) {
return false;
}
return true;
}
@Override
public int hashCode() {
int result = includes.hashCode();
result = 31 * result + excludes.hashCode();
result = 31 * result + (caseSensitive ? 1 : 0);
return result;
}
public PatternSet copyFrom(PatternFilterable sourcePattern) {
setIncludes(sourcePattern.getIncludes());
setExcludes(sourcePattern.getExcludes());
PatternSet other = (PatternSet) sourcePattern;
includeSpecs.clear();
includeSpecs.addAll(other.includeSpecs);
excludeSpecs.clear();
excludeSpecs.addAll(other.excludeSpecs);
return this;
}
public PatternSet intersect() {
return new IntersectionPatternSet(this);
}
private static class IntersectionPatternSet extends PatternSet {
private final PatternSet other;
public IntersectionPatternSet(PatternSet other) {
this.other = other;
}
public Spec<FileTreeElement> getAsSpec() {
return new AndSpec<FileTreeElement>(super.getAsSpec(), other.getAsSpec());
}
public Object addToAntBuilder(Object node, String childNodeName) {
return PatternSetAntBuilderDelegate.and(node, new Action<Object>() {
public void execute(Object andNode) {
IntersectionPatternSet.super.addToAntBuilder(andNode, null);
other.addToAntBuilder(andNode, null);
}
});
}
}
public Spec<FileTreeElement> getAsSpec() {
return new AndSpec<FileTreeElement>(getAsIncludeSpec(), new NotSpec<FileTreeElement>(getAsExcludeSpec()));
}
public Spec<FileTreeElement> getAsIncludeSpec() {
List<Spec<FileTreeElement>> matchers = Lists.newArrayList();
for (String include : includes) {
Spec<RelativePath> patternMatcher = PatternMatcherFactory.getPatternMatcher(true, caseSensitive, include);
matchers.add(new RelativePathSpec(patternMatcher));
}
matchers.addAll(includeSpecs);
return new OrSpec<FileTreeElement>(matchers);
}
public Spec<FileTreeElement> getAsExcludeSpec() {
Collection<String> allExcludes = Sets.newLinkedHashSet(excludes);
Collections.addAll(allExcludes, DirectoryScanner.getDefaultExcludes());
List<Spec<FileTreeElement>> matchers = Lists.newArrayList();
for (String exclude : allExcludes) {
Spec<RelativePath> patternMatcher = PatternMatcherFactory.getPatternMatcher(false, caseSensitive, exclude);
matchers.add(new RelativePathSpec(patternMatcher));
}
matchers.addAll(excludeSpecs);
return new OrSpec<FileTreeElement>(matchers);
}
public Set<String> getIncludes() {
return includes;
}
public Set<Spec<FileTreeElement>> getIncludeSpecs() {
return includeSpecs;
}
public PatternSet setIncludes(Iterable<String> includes) {
this.includes.clear();
return include(includes);
}
public PatternSet include(String... includes) {
Collections.addAll(this.includes, includes);
return this;
}
public PatternSet include(Iterable includes) {
for (Object include : includes) {
this.includes.add(PARSER.parseNotation(include));
}
return this;
}
public PatternSet include(Spec<FileTreeElement> spec) {
includeSpecs.add(spec);
return this;
}
public Set<String> getExcludes() {
return excludes;
}
public Set<Spec<FileTreeElement>> getExcludeSpecs() {
return excludeSpecs;
}
public PatternSet setExcludes(Iterable<String> excludes) {
this.excludes.clear();
return exclude(excludes);
}
public boolean isCaseSensitive() {
return caseSensitive;
}
public void setCaseSensitive(boolean caseSensitive) {
this.caseSensitive = caseSensitive;
}
/*
This can't be called just include, because it has the same erasure as include(Iterable<String>).
*/
public PatternSet includeSpecs(Iterable<Spec<FileTreeElement>> includeSpecs) {
CollectionUtils.addAll(this.includeSpecs, includeSpecs);
return this;
}
public PatternSet include(Closure closure) {
include(Specs.<FileTreeElement>convertClosureToSpec(closure));
return this;
}
public PatternSet exclude(String... excludes) {
Collections.addAll(this.excludes, excludes);
return this;
}
public PatternSet exclude(Iterable excludes) {
for (Object exclude : excludes) {
this.excludes.add(PARSER.parseNotation(exclude));
}
return this;
}
public PatternSet exclude(Spec<FileTreeElement> spec) {
excludeSpecs.add(spec);
return this;
}
public PatternSet excludeSpecs(Iterable<Spec<FileTreeElement>> excludes) {
CollectionUtils.addAll(this.excludeSpecs, excludes);
return this;
}
public PatternSet exclude(Closure closure) {
exclude(Specs.<FileTreeElement>convertClosureToSpec(closure));
return this;
}
public Object addToAntBuilder(Object node, String childNodeName) {
if (!includeSpecs.isEmpty() || !excludeSpecs.isEmpty()) {
throw new UnsupportedOperationException("Cannot add include/exclude specs to Ant node. Only include/exclude patterns are currently supported.");
}
return new PatternSetAntBuilderDelegate(includes, excludes, caseSensitive).addToAntBuilder(node, childNodeName);
}
}