/*
* Copyright 2010 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.initialization;
import org.gradle.api.Project;
import org.gradle.api.UnknownProjectException;
import org.gradle.api.artifacts.ConfigurationContainer;
import org.gradle.api.artifacts.dsl.DependencyHandler;
import org.gradle.api.artifacts.dsl.RepositoryHandler;
import org.gradle.api.internal.DomainObjectContext;
import org.gradle.api.internal.Factory;
import org.gradle.api.internal.artifacts.ConfigurationContainerFactory;
import org.gradle.api.internal.artifacts.configurations.DependencyMetaDataProvider;
import org.gradle.api.internal.artifacts.dsl.dependencies.DefaultDependencyHandler;
import org.gradle.api.internal.artifacts.dsl.dependencies.DependencyFactory;
import org.gradle.api.internal.artifacts.dsl.dependencies.ProjectFinder;
import org.gradle.groovy.scripts.ScriptSource;
import org.gradle.util.ObservableUrlClassLoader;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
public class DefaultScriptHandlerFactory implements ScriptHandlerFactory {
private final Factory<? extends RepositoryHandler> repositoryHandlerFactory;
private final ConfigurationContainerFactory configurationContainerFactory;
private final DependencyMetaDataProvider dependencyMetaDataProvider;
private final DependencyFactory dependencyFactory;
private final Map<Collection<Object>, ObservableUrlClassLoader> classLoaderCache = new HashMap<Collection<Object>, ObservableUrlClassLoader>();
private final ProjectFinder projectFinder = new ProjectFinder() {
public Project getProject(String path) {
throw new UnknownProjectException("Cannot use project dependencies in a script classpath definition.");
}
};
public DefaultScriptHandlerFactory(Factory<? extends RepositoryHandler> repositoryHandlerFactory,
ConfigurationContainerFactory configurationContainerFactory,
DependencyMetaDataProvider dependencyMetaDataProvider,
DependencyFactory dependencyFactory) {
this.repositoryHandlerFactory = repositoryHandlerFactory;
this.configurationContainerFactory = configurationContainerFactory;
this.dependencyMetaDataProvider = dependencyMetaDataProvider;
this.dependencyFactory = dependencyFactory;
}
public ScriptHandlerInternal create(ScriptSource scriptSource, ClassLoader parentClassLoader) {
return create(scriptSource, parentClassLoader, new BasicDomainObjectContext());
}
public ScriptHandlerInternal create(ScriptSource scriptSource, ClassLoader parentClassLoader,
DomainObjectContext context) {
RepositoryHandler repositoryHandler = repositoryHandlerFactory.create();
ConfigurationContainer configurationContainer = configurationContainerFactory.createConfigurationContainer(
repositoryHandler, dependencyMetaDataProvider, context);
DependencyHandler dependencyHandler = new DefaultDependencyHandler(configurationContainer, dependencyFactory,
projectFinder);
Collection<Object> key = Arrays.asList(scriptSource.getClassName(), parentClassLoader);
ObservableUrlClassLoader classLoader = classLoaderCache.get(key);
if (classLoader == null) {
classLoader = new ObservableUrlClassLoader(parentClassLoader);
classLoaderCache.put(key, classLoader);
return new DefaultScriptHandler(scriptSource, repositoryHandler, dependencyHandler, configurationContainer,
classLoader);
}
return new NoClassLoaderUpdateScriptHandler(classLoader, repositoryHandler, dependencyHandler, scriptSource, configurationContainer);
}
private static class BasicDomainObjectContext implements DomainObjectContext {
public String absoluteProjectPath(String name) {
return name;
}
}
}