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/*
 * 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.initialization.layout;

import org.gradle.initialization.SettingsLocation;
import org.gradle.internal.scripts.ScriptFileResolver;

import javax.annotation.Nullable;
import java.io.File;

import static org.gradle.initialization.DefaultProjectDescriptor.BUILD_SCRIPT_BASENAME;

public class BuildLayout extends SettingsLocation {
    private final File rootDirectory;
    private final ScriptFileResolver scriptFileResolver;

    // Note: `null` for `settingsFile` means explicitly no settings
    //       A non null value can be a non existent file, which is semantically equivalent to an empty file
    public BuildLayout(File rootDirectory, File settingsDir, @Nullable File settingsFile, ScriptFileResolver scriptFileResolver) {
        super(settingsDir, settingsFile);
        this.rootDirectory = rootDirectory;
        this.scriptFileResolver = scriptFileResolver;
    }

    /**
     * Was a build definition found?
     */
    public boolean isBuildDefinitionMissing() {
        return getSettingsFile() != null && !getSettingsFile().exists() && scriptFileResolver.resolveScriptFile(getRootDirectory(), BUILD_SCRIPT_BASENAME) == null;
    }

    /**
     * Returns the root directory of the build, is never null.
     */
    public File getRootDirectory() {
        return rootDirectory;
    }
}