/*
* Copyright 2011 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.notations;
import org.gradle.api.InvalidUserDataException;
import org.gradle.api.artifacts.ClientModule;
import org.gradle.api.artifacts.ExternalDependency;
import org.gradle.api.internal.artifacts.dsl.ParsedModuleStringNotation;
import org.gradle.api.internal.artifacts.dsl.dependencies.ModuleFactoryHelper;
import org.gradle.internal.reflect.Instantiator;
import org.gradle.internal.typeconversion.NotationConvertResult;
import org.gradle.internal.typeconversion.NotationConverter;
import org.gradle.internal.typeconversion.TypeConversionException;
import java.util.Collection;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class DependencyStringNotationParser<T extends ExternalDependency> implements NotationConverter<String, T> {
private final Instantiator instantiator;
private final Class<T> wantedType;
public DependencyStringNotationParser(Instantiator instantiator, Class<T> wantedType) {
this.instantiator = instantiator;
this.wantedType = wantedType;
}
public void describe(Collection<String> candidateFormats) {
candidateFormats.add("String or CharSequence values, e.g. 'org.gradle:gradle-core:1.0'.");
}
public void convert(String notation, NotationConvertResult<? super T> result) throws TypeConversionException {
result.converted(createDependencyFromString(notation));
}
public static final Pattern EXTENSION_SPLITTER = Pattern.compile("^(.+)\\@([^:]+$)");
private T createDependencyFromString(String notation) {
ParsedModuleStringNotation parsedNotation = splitModuleFromExtension(notation);
T moduleDependency = instantiator.newInstance(wantedType,
parsedNotation.getGroup(), parsedNotation.getName(), parsedNotation.getVersion());
ModuleFactoryHelper.addExplicitArtifactsIfDefined(moduleDependency, parsedNotation.getArtifactType(), parsedNotation.getClassifier());
return moduleDependency;
}
private ParsedModuleStringNotation splitModuleFromExtension(String notation) {
Matcher matcher = EXTENSION_SPLITTER.matcher(notation);
boolean hasArtifactType = matcher.matches();
if (hasArtifactType && !ClientModule.class.isAssignableFrom(wantedType)) {
if (matcher.groupCount() != 2) {
throw new InvalidUserDataException("The dependency notation " + notation + " is invalid");
}
return new ParsedModuleStringNotation(matcher.group(1), matcher.group(2));
}
return new ParsedModuleStringNotation(notation, null);
}
}