plugins/org.eclipse.egf.pattern/src/org/eclipse/egf/pattern/templates/SimpleEngine.java

/**
 * <copyright>
 * 
 * Copyright (c) 2009-2010 Thales Corporate Services S.A.S.
 * 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
 * 
 * Contributors:
 * Thales Corporate Services S.A.S - initial API and implementation
 * 
 * </copyright>
 */

package org.eclipse.egf.pattern.templates;

import java.io.IOException;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.egf.pattern.PatternPreferences;
import org.eclipse.egf.pattern.utils.FileHelper;

/**
 * This is a quick 'template engine' used for initialization of the contents of
 * new pattern methods.
 * 
 * @author Guiu
 * 
 */
public class SimpleEngine extends TemplateEngine {

  public SimpleEngine(String pluginId, IProject project, String templateFileExtension) {
    super(pluginId, project, templateFileExtension);
  }

  @Override
  public String process(Templates template, Map<String, String> context) throws CoreException, IOException {
    IPath path = new Path(PatternPreferences.getTemplatesFolderName()).append(template.getTemplateName()).addFileExtension(getExtension());
    String content = FileHelper.getContent(getPluginId(), getProject(), path);
    if (content == null)
      return null;
    for (Iterator<Entry<String, String>> it = context.entrySet().iterator(); it.hasNext();) {
      Entry<String, String> entry = it.next();
      content = content.replaceAll(entry.getKey(), entry.getValue());
    }
    return content;
  }
}