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.core.instr;
  
  import java.io.PrintWriter;
  import java.io.StringWriter;
  
  import org.objectweb.asm.MethodVisitor;
  import org.objectweb.asm.util.Printer;
  import org.objectweb.asm.util.Textifier;
  import org.objectweb.asm.util.TraceMethodVisitor;
  
  /**
   * Recorder of method events for test verification.
   */
  public class MethodRecorder {
  
  	private final Printer printer;
  	private final MethodVisitor visitor;
  
  	public MethodRecorder() {
  		printer = new Textifier();
  		visitor = new TraceMethodVisitor(printer);
  	}
  
  	public Printer getPrinter() {
  		return printer;
  	}
  
  	public MethodVisitor getVisitor() {
  		return visitor;
  	}
  
  	@Override
  	public boolean equals(Object obj) {
  		if (!(obj instanceof MethodRecorder)) {
  			return false;
  		}
  		MethodRecorder that = (MethodRecorder) obj;
  		return printer.getText().equals(that.printer.getText());
  	}
  
  	@Override
  	public int hashCode() {
  		return printer.getText().hashCode();
  	}
  
  	@Override
  	public String toString() {
  		StringWriter buffer = new StringWriter();
  		PrintWriter writer = new PrintWriter(buffer);
  		printer.print(writer);
  		writer.flush();
  		return buffer.toString();
  	}
  }
  