enterprise/payara.tooling/src/org/netbeans/modules/payara/tooling/admin/RunnerRestGetProperty.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.netbeans.modules.payara.tooling.admin;

import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.URLDecoder;
import java.util.HashMap;
import java.util.List;
import java.util.logging.Level;
import org.netbeans.modules.payara.tooling.admin.response.MessagePart;
import org.netbeans.modules.payara.tooling.logging.Logger;
import org.netbeans.modules.payara.tooling.data.PayaraServer;

/**
 * Command runner that executes get property command.
 * <p>
 * @author Tomas Kraus, Peter Benedikovic
 */
public class RunnerRestGetProperty extends RunnerRest {

    ////////////////////////////////////////////////////////////////////////////
    // Class attributes                                                       //
    ////////////////////////////////////////////////////////////////////////////

    /** Logger instance for this class. */
    private static final Logger LOGGER
            = new Logger(RunnerRestGetProperty.class);

    ////////////////////////////////////////////////////////////////////////////
    // Instance attributes                                                    //
    ////////////////////////////////////////////////////////////////////////////

    /** Result object - contains list of JDBC resources names.*/
    @SuppressWarnings("FieldNameHidesFieldInSuperclass")
    ResultMap<String, String> result;

    ////////////////////////////////////////////////////////////////////////////
    // Constructors                                                           //
    ////////////////////////////////////////////////////////////////////////////

    /**
     * Constructs an instance of administration command executor using
     * REST interface.
     * <p/>
     * @param server  Payara server entity object.
     * @param command Payara server administration command entity.
     */
    public RunnerRestGetProperty(final PayaraServer server,
            final Command command) {
        super(server, command, "/command/", null);
    }

    ////////////////////////////////////////////////////////////////////////////
    // Implemented Abstract Methods                                           //
    ////////////////////////////////////////////////////////////////////////////

    /**
     * Create <code>ResultMap</code> object corresponding
     * to server get property command execution value to be returned.
     */
    @Override
    protected ResultMap<String, String> createResult() {
        return result = new ResultMap<String, String>();
    }

    @Override
    protected boolean processResponse() {
        final String METHOD = "processResponse";
        List<MessagePart> childMessages = report.getTopMessagePart().getChildren();
        if ((childMessages == null) || childMessages.isEmpty()) {
            return false;
        }
        result.value = new HashMap<String, String>(childMessages.size());
        
        for (MessagePart msg : childMessages) {
            String message = msg.getMessage();
            int equalsIndex = message.indexOf('=');
            if (equalsIndex >= 0) {
                String keyPart = message.substring(0, equalsIndex);
                String valuePart = message.substring(equalsIndex + 1);
                try {
                    // Around Sept. 2008... 3.x servers were double encoding their
                    // responces.  It appears that has stopped
                    // (See http://netbeans.org/bugzilla/show_bug.cgi?id=195015)
                    // The open question is, "When did 3.x stop doing the double
                    // encode?" since we don't know... this strategy will work
                    // for us
                    //   Belt and suspenders, like
                    result.value.put(keyPart, valuePart);       // raw form
                    result.value.put(keyPart, URLDecoder.decode(valuePart,
                            "UTF-8"));                          // single decode
                    result.value.put(keyPart, URLDecoder.decode(result.value.
                            get(keyPart), "UTF-8"));
                } catch (UnsupportedEncodingException ex) {
                    LOGGER.log(Level.INFO, METHOD,
                            "unsupportedEncoding", result.value.get(keyPart));
                } catch (IllegalArgumentException iae) {
                    LOGGER.log(Level.INFO, METHOD, "illegalArgument",
                            new Object[] {valuePart, result.value.get(keyPart)});
                }
            } else {
                LOGGER.log(Level.INFO, METHOD, "emptyString", message);
                result.value.put(message, "");
            }
        }
        return true;
    }
    
    @Override
    protected void handleSend(HttpURLConnection hconn) throws IOException {
         OutputStreamWriter wr = new OutputStreamWriter(hconn.getOutputStream());
         CommandGetProperty gpCommand = (CommandGetProperty) command;
         StringBuilder data = new StringBuilder();
         data.append("pattern=").append(gpCommand.propertyPattern);
         wr.write(data.toString());
         wr.flush();
         wr.close();
    }

}