com.liferay.testmisc.portlet.TestRenderResponse.java Source code

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Here is the source code for com.liferay.testmisc.portlet.TestRenderResponse.java

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/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.testmisc.portlet;

import com.liferay.portal.kernel.io.unsync.UnsyncByteArrayOutputStream;
import com.liferay.portal.kernel.io.unsync.UnsyncStringWriter;
import com.liferay.portal.kernel.util.StringPool;
import com.liferay.portal.kernel.util.UnsyncPrintWriterPool;

import java.io.OutputStream;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;

import javax.portlet.RenderResponse;
import javax.portlet.filter.RenderResponseWrapper;

/**
 * @author Mika Koivisto
 * @author Michael Young
 */
public class TestRenderResponse extends RenderResponseWrapper {

    public TestRenderResponse(RenderResponse renderResponse) {
        super(renderResponse);
    }

    @Override
    public OutputStream getPortletOutputStream() {
        if (_printWriter != null) {
            throw new IllegalStateException("Cannot obtain OutputStream because Writer is already in use");
        }

        if (_byteArrayOutputStream == null) {
            _byteArrayOutputStream = new UnsyncByteArrayOutputStream();
        }

        return _byteArrayOutputStream;
    }

    public String getString() {
        if (_string != null) {
            return _string;
        }

        if (_byteArrayOutputStream != null) {
            try {
                _string = _byteArrayOutputStream.toString(StringPool.UTF8);
            } catch (UnsupportedEncodingException uee) {
                uee.printStackTrace();

                _string = StringPool.BLANK;
            }
        } else if (_printWriter != null) {
            _string = _unsyncStringWriter.toString();
        } else {
            _string = StringPool.BLANK;
        }

        return _string;
    }

    @Override
    public PrintWriter getWriter() {
        if (_byteArrayOutputStream != null) {
            throw new IllegalStateException("Cannot obtain Writer because OutputStream is already in use");
        }

        if (_printWriter == null) {
            _unsyncStringWriter = new UnsyncStringWriter();
            _printWriter = UnsyncPrintWriterPool.borrow(_unsyncStringWriter);
        }

        return _printWriter;
    }

    public boolean isCalledGetOutputStream() {
        if (_byteArrayOutputStream != null) {
            return true;
        } else {
            return false;
        }
    }

    public boolean isCalledGetWriter() {
        if (_printWriter != null) {
            return true;
        } else {
            return false;
        }
    }

    private UnsyncByteArrayOutputStream _byteArrayOutputStream;
    private PrintWriter _printWriter;
    private String _string;
    private UnsyncStringWriter _unsyncStringWriter;

}