001    /**
002     * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.kernel.bi.reporting;
016    
017    import com.liferay.portal.kernel.io.unsync.UnsyncByteArrayOutputStream;
018    
019    import java.io.OutputStream;
020    import java.io.Serializable;
021    
022    /**
023     * @author Michael C. Han
024     */
025    public class ByteArrayReportResultContainer
026            implements ReportResultContainer, Serializable {
027    
028            public static final int DEFAULT_INITIAL_CAPCITY = 15360;
029    
030            public ByteArrayReportResultContainer() {
031                    this(null, DEFAULT_INITIAL_CAPCITY);
032            }
033    
034            public ByteArrayReportResultContainer(String reportName) {
035                    this(reportName, DEFAULT_INITIAL_CAPCITY);
036            }
037    
038            public ByteArrayReportResultContainer(
039                    String reportName, int initialCapacity) {
040    
041                    _reportName = reportName;
042                    _initialCapacity = initialCapacity;
043            }
044    
045            @Override
046            public ReportResultContainer clone(String reportName) {
047                    return new ByteArrayReportResultContainer(reportName, _initialCapacity);
048            }
049    
050            @Override
051            public OutputStream getOutputStream() {
052                    if (_unsyncByteArrayOutputStream == null) {
053                            _unsyncByteArrayOutputStream = new UnsyncByteArrayOutputStream(
054                                    _initialCapacity);
055                    }
056    
057                    return _unsyncByteArrayOutputStream;
058            }
059    
060            @Override
061            public ReportGenerationException getReportGenerationException() {
062                    return _reportGenerationException;
063            }
064    
065            @Override
066            public String getReportName() {
067                    return _reportName;
068            }
069    
070            @Override
071            public byte[] getResults() {
072                    return _unsyncByteArrayOutputStream.toByteArray();
073            }
074    
075            @Override
076            public boolean hasError() {
077                    if (_reportGenerationException != null) {
078                            return true;
079                    }
080                    else {
081                            return false;
082                    }
083            }
084    
085            @Override
086            public void setReportGenerationException(
087                    ReportGenerationException reportGenerationException) {
088    
089                    _reportGenerationException = reportGenerationException;
090            }
091    
092            private int _initialCapacity;
093            private ReportGenerationException _reportGenerationException;
094            private String _reportName;
095            private UnsyncByteArrayOutputStream _unsyncByteArrayOutputStream;
096    
097    }