FullTextSystemReportFormatter.java

/*******************************************************************************
 * This file is part of OpenNMS(R).
 *
 * Copyright (C) 2010-2011 The OpenNMS Group, Inc.
 * OpenNMS(R) is Copyright (C) 1999-2011 The OpenNMS Group, Inc.
 *
 * OpenNMS(R) is a registered trademark of The OpenNMS Group, Inc.
 *
 * OpenNMS(R) is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published
 * by the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 *
 * OpenNMS(R) 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with OpenNMS(R).  If not, see:
 *      http://www.gnu.org/licenses/
 *
 * For more information contact:
 *     OpenNMS(R) Licensing <license@opennms.org>
 *     http://www.opennms.org/
 *     http://www.opennms.com/
 *******************************************************************************/

package org.opennms.systemreport.formatters;

import java.io.InputStream;
import java.io.OutputStream;
import java.util.Map;

import org.opennms.core.utils.LogUtils;
import org.opennms.systemreport.SystemReportFormatter;
import org.opennms.systemreport.SystemReportPlugin;
import org.springframework.core.io.Resource;

public class FullTextSystemReportFormatter extends AbstractSystemReportFormatter implements SystemReportFormatter {
    public String getName() {
        return "full";
    }

    @Override
    public String getDescription() {
        return "Human-readable text (full output)";
    }

    public String getContentType() {
        return "text/plain";
    }

    public String getExtension() {
        return "txt";
    }

    public boolean canStdout() {
        return true;
    }

    @Override
    public void write(final SystemReportPlugin plugin) {
        final OutputStream out = getOutputStream();

        try {
            out.write(String.format("= %s: %s =\n\n", plugin.getName(), plugin.getDescription()).getBytes());
            
            for (final Map.Entry<String,Resource> entry : plugin.getEntries().entrySet()) {
                final Resource value = entry.getValue();

                out.write(String.format("== %s ==\n\n", entry.getKey()).getBytes());

                final InputStream is = value.getInputStream();
                int bytes;
                byte[] buffer = new byte[1024];
                
                while ((bytes = is.read(buffer)) != -1) {
                    out.write(buffer, 0, bytes);
                }
                is.close();

                out.write("\n\n".getBytes());
            }

        } catch (final Exception e) {
            LogUtils.infof(this, e, "unable to write");
        }
    }

}