/*
* Copyright 2009 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.internal.artifacts.dsl.dependencies;
import groovy.lang.GString;
import org.gradle.api.InvalidUserDataException;
import org.gradle.api.IllegalDependencyNotation;
import org.gradle.api.artifacts.Dependency;
import org.gradle.api.internal.ClassGenerator;
import org.gradle.api.internal.artifacts.dependencies.DefaultExternalModuleDependency;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.Map;
/**
* @author Hans Dockter
*/
public class ModuleDependencyFactory implements IDependencyImplementationFactory {
private final MapModuleNotationParser mapNotationParser;
private final ClassGenerator classGenerator;
public ModuleDependencyFactory(ClassGenerator classGenerator) {
this.classGenerator = classGenerator;
mapNotationParser = new MapModuleNotationParser(classGenerator);
}
public <T extends Dependency> T createDependency(Class<T> type, Object notation) throws IllegalDependencyNotation {
assert notation != null;
if (notation instanceof String || notation instanceof GString) {
return type.cast(createDependencyFromString(notation.toString()));
} else if (notation instanceof Map) {
return type.cast(mapNotationParser.createDependency(DefaultExternalModuleDependency.class, notation));
}
throw new IllegalDependencyNotation();
}
private static final Pattern EXTENSION_SPLITTER = Pattern.compile("^(.+)\\@([^:]+$)");
private DefaultExternalModuleDependency createDependencyFromString(String notation) {
ParsedModuleStringNotation parsedNotation = splitDescriptionIntoModuleNotationAndArtifactType(notation);
DefaultExternalModuleDependency moduleDependency = classGenerator.newInstance(
DefaultExternalModuleDependency.class, parsedNotation.getGroup(), parsedNotation.getName(),
parsedNotation.getVersion());
ModuleFactoryHelper.addExplicitArtifactsIfDefined(moduleDependency, parsedNotation.getArtifactType(),
parsedNotation.getClassifier());
return moduleDependency;
}
private ParsedModuleStringNotation splitDescriptionIntoModuleNotationAndArtifactType(String notation) {
Matcher matcher = EXTENSION_SPLITTER.matcher(notation);
boolean hasArtifactType = matcher.matches();
if (hasArtifactType) {
if (matcher.groupCount() != 2) {
throw new InvalidUserDataException("The description " + notation + " is invalid");
}
return new ParsedModuleStringNotation(matcher.group(1), matcher.group(2));
}
return new ParsedModuleStringNotation(notation, null);
}
}