001/*
002 * Sonar, open source software quality management tool.
003 * Copyright (C) 2008-2012 SonarSource
004 * mailto:contact AT sonarsource DOT com
005 *
006 * Sonar is free software; you can redistribute it and/or
007 * modify it under the terms of the GNU Lesser General Public
008 * License as published by the Free Software Foundation; either
009 * version 3 of the License, or (at your option) any later version.
010 *
011 * Sonar is distributed in the hope that it will be useful,
012 * but WITHOUT ANY WARRANTY; without even the implied warranty of
013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014 * Lesser General Public License for more details.
015 *
016 * You should have received a copy of the GNU Lesser General Public
017 * License along with Sonar; if not, write to the Free Software
018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
019 */
020package org.sonar.test.channel;
021
022import org.hamcrest.BaseMatcher;
023import org.hamcrest.Description;
024import org.sonar.channel.Channel;
025import org.sonar.channel.CodeReader;
026
027public class ChannelMatcher<O> extends BaseMatcher<Channel<O>> {
028
029  private final String sourceCode;
030  private final O output;
031  private final CodeReader reader;
032
033  public ChannelMatcher(String sourceCode, O output) {
034    this.sourceCode = sourceCode;
035    this.output = output;
036    this.reader = new CodeReader(sourceCode);
037  }
038
039  public ChannelMatcher(CodeReader reader, O output) {
040    this.output = output;
041    this.sourceCode = new String(reader.peek(30));
042    this.reader = reader;
043  }
044
045  public boolean matches(Object arg0) {
046    if ( !(arg0 instanceof Channel)) {
047      return false;
048    }
049    Channel<O> channel = (Channel<O>) arg0;
050    return channel.consume(reader, output);
051  }
052
053  public void describeTo(Description description) {
054    description.appendText("Channel consumes '" + sourceCode + "'");
055  }
056
057}