content: /*******************************************************************************
   * Copyright (c) 2009, 2019 Mountainminds GmbH & Co. KG and Contributors
   * 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:
   *    Marc R. Hoffmann - initial API and implementation
   *    
   *******************************************************************************/
  package org.jacoco.report;
  
  import java.io.IOException;
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.List;
  
  import org.jacoco.core.analysis.IBundleCoverage;
  import org.jacoco.core.data.ExecutionData;
  import org.jacoco.core.data.SessionInfo;
  
  /**
   * A report visitor that is composed from multiple other visitors. This can be
   * used to create more than one report format in one run.
   */
  public class MultiReportVisitor extends MultiGroupVisitor implements
  		IReportVisitor {
  
  	private final List<IReportVisitor> visitors;
  
  	/**
  	 * New visitor delegating to all given visitors.
  	 * 
  	 * @param visitors
  	 *            visitors to delegate to
  	 */
  	public MultiReportVisitor(final List<IReportVisitor> visitors) {
  		super(visitors);
  		this.visitors = visitors;
  	}
  
  	public void visitInfo(final List<SessionInfo> sessionInfos,
  			final Collection<ExecutionData> executionData) throws IOException {
  		for (final IReportVisitor v : visitors) {
  			v.visitInfo(sessionInfos, executionData);
  		}
  	}
  
  	public void visitEnd() throws IOException {
  		for (final IReportVisitor v : visitors) {
  			v.visitEnd();
  		}
  	}
  
  }
  
  class MultiGroupVisitor implements IReportGroupVisitor {
  
  	private final List<? extends IReportGroupVisitor> visitors;
  
  	MultiGroupVisitor(final List<? extends IReportGroupVisitor> visitors) {
  		this.visitors = visitors;
  	}
  
  	public void visitBundle(final IBundleCoverage bundle,
  			final ISourceFileLocator locator) throws IOException {
  		for (final IReportGroupVisitor v : visitors) {
  			v.visitBundle(bundle, locator);
  		}
  	}
  
  	public IReportGroupVisitor visitGroup(final String name) throws IOException {
  		final List<IReportGroupVisitor> children = new ArrayList<IReportGroupVisitor>();
  		for (final IReportGroupVisitor v : visitors) {
  			children.add(v.visitGroup(name));
  		}
  		return new MultiGroupVisitor(children);
  	}
  
  }
  