/*
* 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.initialization;
import org.gradle.api.GradleException;
import org.gradle.api.InvalidUserDataException;
import org.gradle.api.Project;
import org.gradle.api.initialization.ProjectDescriptor;
import org.gradle.api.internal.GradleInternal;
import org.gradle.api.internal.project.IProjectFactory;
import org.gradle.api.internal.project.ProjectInternal;
import org.gradle.util.Clock;
import org.gradle.util.GUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.util.Map;
import java.util.Properties;
/**
* @author Hans Dockter
*/
public class BuildLoader {
private static final Logger LOGGER = LoggerFactory.getLogger(BuildLoader.class);
private final IProjectFactory projectFactory;
public BuildLoader(IProjectFactory projectFactory) {
this.projectFactory = projectFactory;
}
/**
* Creates the {@link org.gradle.api.internal.GradleInternal} and {@link ProjectInternal} instances for the given root project,
* ready for the projects to be evaluated.
*/
public void load(ProjectDescriptor rootProjectDescriptor, GradleInternal gradle,
Map<String, String> externalProjectProperties) {
LOGGER.debug("Loading Project objects");
Clock clock = new Clock();
createProjects(rootProjectDescriptor, gradle, externalProjectProperties);
attachDefaultProject(gradle);
LOGGER.debug("Timing: Loading projects took: " + clock.getTime());
}
private void attachDefaultProject(GradleInternal gradle) {
ProjectSpec selector = gradle.getStartParameter().getDefaultProjectSelector();
ProjectInternal defaultProject;
try {
defaultProject = selector.selectProject(gradle.getRootProject().getProjectRegistry());
} catch (InvalidUserDataException e) {
throw new GradleException(String.format("Could not select the default project for this build. %s",
e.getMessage()), e);
}
gradle.setDefaultProject(defaultProject);
}
private void createProjects(ProjectDescriptor rootProjectDescriptor, GradleInternal gradle,
Map<String, String> externalProjectProperties) {
ProjectInternal rootProject = projectFactory.createProject(rootProjectDescriptor, null, gradle);
gradle.setRootProject(rootProject);
addPropertiesToProject(externalProjectProperties, rootProject);
addProjects(rootProject, rootProjectDescriptor, gradle, externalProjectProperties);
}
private void addProjects(ProjectInternal parent, ProjectDescriptor parentProjectDescriptor, GradleInternal gradle,
Map<String, String> externalProjectProperties) {
for (ProjectDescriptor childProjectDescriptor : parentProjectDescriptor.getChildren()) {
ProjectInternal childProject = projectFactory.createProject(childProjectDescriptor, parent, gradle);
addPropertiesToProject(externalProjectProperties, childProject);
addProjects(childProject, childProjectDescriptor, gradle, externalProjectProperties);
}
}
private void addPropertiesToProject(Map<String, String> externalProperties, ProjectInternal project) {
Properties projectProperties = new Properties();
File projectPropertiesFile = new File(project.getProjectDir(), Project.GRADLE_PROPERTIES);
LOGGER.debug("Looking for project properties from: {}", projectPropertiesFile);
if (projectPropertiesFile.isFile()) {
projectProperties = GUtil.loadProperties(projectPropertiesFile);
LOGGER.debug("Adding project properties (if not overwritten by user properties): {}",
projectProperties.keySet());
} else {
LOGGER.debug("project property file does not exists. We continue!");
}
projectProperties.putAll(externalProperties);
for (Object key : projectProperties.keySet()) {
project.setProperty((String) key, projectProperties.get(key));
}
}
}