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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.plugins.ide.eclipse;

import org.gradle.api.tasks.Internal;
import org.gradle.internal.xml.XmlTransformer;
import org.gradle.plugins.ide.api.XmlFileContentMerger;
import org.gradle.plugins.ide.api.XmlGeneratorTask;
import org.gradle.plugins.ide.eclipse.model.EclipseProject;
import org.gradle.plugins.ide.eclipse.model.Project;

import javax.inject.Inject;

/**
 * Generates an Eclipse .project file. If you want to fine tune the eclipse configuration
 * 
 * At this moment nearly all configuration is done via {@link EclipseProject}.
 */
public class GenerateEclipseProject extends XmlGeneratorTask {

    private EclipseProject projectModel;

    public GenerateEclipseProject() {
        getXmlTransformer().setIndentation("\t");
        projectModel = getInstantiator().newInstance(EclipseProject.class, new XmlFileContentMerger(getXmlTransformer()));
    }

    @Inject
    public GenerateEclipseProject(EclipseProject projectModel) {
        this.projectModel = projectModel;
    }

    @Override
    protected Project create() {
        return new Project(getXmlTransformer());
    }

    @Override
    protected void configure(Project project) {
        projectModel.mergeXmlProject(project);
    }

    @Override
    public XmlTransformer getXmlTransformer() {
        if (projectModel == null) {
            return super.getXmlTransformer();
        }
        return projectModel.getFile().getXmlTransformer();
    }

    /**
     * The Eclipse project model that contains the details required to generate the project file.
     */
    @Internal
    public EclipseProject getProjectModel() {
        return projectModel;
    }

    public void setProjectModel(EclipseProject projectModel) {
        this.projectModel = projectModel;
    }
}