XmlJNRPEConfiguration.java

/*******************************************************************************
 * Copyright (c) 2007, 2014 Massimiliano Ziccardi
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *******************************************************************************/
package it.jnrpe.server;

import java.io.File;
import java.util.Collection;
import java.util.List;

import org.apache.commons.configuration.XMLConfiguration;
import org.apache.commons.lang.StringUtils;

/**
 * This class represent the parsed XML configuration file.
 * 
 * @author Massimiliano Ziccardi
 */
class XmlJNRPEConfiguration extends JNRPEConfiguration {

    @SuppressWarnings("rawtypes")
    @Override
    public void load(final File confFile) throws ConfigurationException {
        // Parse an ini file
        ServerSection serverConf = getServerSection();
        CommandsSection commandSection = getCommandSection();
        try {
            XMLConfiguration confParser = new XMLConfiguration(confFile);

            List<Object> vBindAddresses = confParser.getList("server.bind[@address]");
            int iBindListSize = vBindAddresses.size();

            for (int i = 0; i < iBindListSize; i++) {
                String sAddress = confParser.getString("server.bind(" + i + ")[@address]");
                String useSSL = confParser.getString("server.bind(" + i + ")[@SSL]");
                if (useSSL == null) {
                    useSSL = "false";
                }

                serverConf.addBindAddress(sAddress, "true".equalsIgnoreCase(useSSL));
            }

            String sAcceptParams = confParser.getString("server[@accept-params]", "true");

            serverConf.setAcceptParams("true".equalsIgnoreCase(sAcceptParams) || "yes".equalsIgnoreCase(sAcceptParams));

            serverConf.setPluginPath(confParser.getString("server.plugin[@path]", "."));

            serverConf.setBackLogSize(confParser.getInt("server[@backlog-size]", ServerSection.DEFAULT_BACKLOG));

            // TODO : move this to publicly accessible constants
            serverConf.setReadTimeout(confParser.getInteger("server[@read-timeout]", 10));
            // TODO : move this to publicly accessible constants
            serverConf.setWriteTimeout(confParser.getInteger("server[@write-timeout]", 60));

            List<Object> vAllowedAddresses = confParser.getList("server.allow[@ip]");
            if (vAllowedAddresses != null) {
                for (Object address : vAllowedAddresses) {
                    serverConf.addAllowedAddress((String) address);
                }
            }

            // Get the commands count ( searching for a better way...)
            // int iCommandsCount =
            Object obj = confParser.getProperty("commands.command[@name]");

            int iCount = 0;

            if (obj != null) {
                if (obj instanceof List) {
                    iCount = ((List) obj).size();
                } else {
                    iCount = 1;
                }
            }

            // Loop through configured commands
            for (int i = 0; i < iCount; i++) {
                String sCommandName = (String) confParser.getProperty("commands.command(" + i + ")[@name]");
                String sPluginName = (String) confParser.getProperty("commands.command(" + i + ")[@plugin_name]");
                String sWholeCommandLine = (String) confParser.getProperty("commands.command(" + i + ")[@params]");
                if (sWholeCommandLine == null) {
                    sWholeCommandLine = "";
                } else {
                    sWholeCommandLine += " ";
                }

                // Loop through command arguments...

                Object argsObj = confParser.getProperty("commands.command(" + i + ").arg[@name]");
                int iArgsCount = 0;
                if (argsObj != null) {
                    if (argsObj instanceof List) {
                        iArgsCount = ((List) argsObj).size();
                    } else {
                        iArgsCount = 1;
                    }
                }

                StringBuilder commandLineBuffer = new StringBuilder(sWholeCommandLine);

                for (int j = 0; j < iArgsCount; j++) {
                    String sArgName = (String) confParser.getProperty("commands.command(" + i + ").arg(" + j + ")[@name]");

                    Object value = confParser.getProperty("commands.command(" + i + ").arg(" + j + ")[@value]");

                    String sArgValue = null;
                    if (value instanceof String) {
                        sArgValue = (String) value;
                    } else if (value instanceof Collection) {
                        sArgValue = StringUtils.join((Collection) value, confParser.getListDelimiter());
                    }

                    if (sArgName.length() > 1) {
                        commandLineBuffer.append("--");
                    } else {
                        commandLineBuffer.append('-');
                    }

                    commandLineBuffer.append(sArgName).append(" ");

                    if (sArgValue != null) {
                        boolean bQuote = sArgValue.indexOf(' ') != -1;

                        // FIXME : handle quote escaping...
                        if (bQuote) {
                            commandLineBuffer.append('\"');
                        }

                        commandLineBuffer.append(sArgValue);

                        if (bQuote) {
                            commandLineBuffer.append("\"");
                        }

                        commandLineBuffer.append(" ");

                    }
                }
                sWholeCommandLine = commandLineBuffer.toString();

                commandSection.addCommand(sCommandName, sPluginName, sWholeCommandLine);
            }
        } catch (org.apache.commons.configuration.ConfigurationException e) {
            throw new ConfigurationException(e);
        }
    }
}