org.eclipse.xtext.generator.AbstractFileSystemAccess Maven / Gradle / Ivy

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/*******************************************************************************
 * Copyright (c) 2011 itemis AG (http://www.itemis.eu) and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *******************************************************************************/
package org.eclipse.xtext.generator;

import static com.google.common.collect.Maps.*;

import java.util.Map;

import org.eclipse.emf.common.util.URI;

import com.google.common.base.Function;
import com.google.inject.Inject;

/**
 * @author Sven Efftinge - Initial contribution and API
 */
public abstract class AbstractFileSystemAccess implements IFileSystemAccess, IFileSystemAccessExtension,
		IFileSystemAccessExtension2 {

	@Inject(optional = true)
	private IFilePostProcessor postProcessor;

	private Map outputs = newLinkedHashMap();

	/**
	 * @since 2.1
	 */
	public void setOutputConfigurations(Map outputs) {
		this.outputs = outputs;
	}

	/**
	 * @since 2.1
	 */
	public Map getOutputConfigurations() {
		return outputs;
	}

	/**
	 * @since 2.1
	 */
	protected OutputConfiguration getOutputConfig(String outputName) {
		if (!getOutputConfigurations().containsKey(outputName))
			throw new IllegalArgumentException("No output configuration with name '" + outputName + "' exists.");
		return getOutputConfigurations().get(outputName);
	}

	protected Map getPathes() {
		return transformValues(outputs, new Function() {
			public String apply(OutputConfiguration from) {
				return from.getOutputDirectory();
			}
		});
	}

	public void setOutputPath(String outputName, String path) {
		OutputConfiguration configuration = outputs.get(outputName);
		if (configuration == null) {
			configuration = new OutputConfiguration(outputName);
			outputs.put(outputName, configuration);
		}
		configuration.setOutputDirectory(path);
	}

	public void setOutputPath(String path) {
		setOutputPath(DEFAULT_OUTPUT, path);
	}

	public void generateFile(String fileName, CharSequence contents) {
		generateFile(fileName, DEFAULT_OUTPUT, contents);
	}

	/**
	 * @since 2.1
	 */
	public void deleteFile(String fileName) {
		deleteFile(fileName, DEFAULT_OUTPUT);
	}

	/**
	 * @since 2.1
	 */
	public void deleteFile(String fileName, String outputConfigurationName) {
		throw new UnsupportedOperationException();
	}

	/**
	 * @since 2.3
	 */
	protected CharSequence postProcess(String fileName, String outputConfiguration, CharSequence content) {
		if (postProcessor != null)
			return postProcessor.postProcess(getURI(fileName, outputConfiguration), content);
		else
			return content;
	}

	/**
	 * @since 2.3
	 */
	public URI getURI(String fileName) {
		return getURI(fileName, DEFAULT_OUTPUT);
	}
}