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 *
 * Copyright (c) 2009-2013 Oracle and/or its affiliates. All rights reserved.
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 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
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 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
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 * and therefore, elected the GPL Version 2 license, then the option applies
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 */

// Portions Copyright [2016-2021] [Payara Foundation and/or its affiliates]
 
/*
 * InstanceHandler.java
 *
 * Created on August 10, 2006, 2:32 PM
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */
package org.glassfish.admingui.common.handlers;

import com.sun.jsftemplating.annotation.Handler;
import com.sun.jsftemplating.annotation.HandlerInput;
import com.sun.jsftemplating.annotation.HandlerOutput;
import com.sun.jsftemplating.layout.descriptors.handler.HandlerContext;
import org.glassfish.admingui.common.util.GuiUtil;
import org.glassfish.admingui.common.util.RestUtil;

import java.util.*;
import java.util.logging.Level;

/**
 *
 * @author anilam
 */
public class LoggingHandlers {

    /** Creates a new instance of InstanceHandler */
    public LoggingHandlers() {
    }


    @Handler(id = "getLoggerLevels",
    input = {
        @HandlerInput(name = "loggerLevels", type = Map.class, required = true)},
    output = {
        @HandlerOutput(name = "loggerList", type = List.class)
    })
    public static void getLoggerLevels(HandlerContext handlerCtx) {

        Map loggerLevels = (Map) handlerCtx.getInputValue("loggerLevels");
        List> result = new ArrayList<>();
        if (loggerLevels != null)    {
            List keys = new ArrayList<>(loggerLevels.keySet());
            Collections.sort(keys);
            for (String key : keys) {
                Map oneRow = new HashMap<>();
                oneRow.put("loggerName", key);
                oneRow.put("level", loggerLevels.get(key));
                oneRow.put("selected", false);
                result.add(oneRow);
            }
        }
        handlerCtx.setOutputValue("loggerList",  result);
     }


    @Handler(id = "changeLoggerLevels",
    input = {
        @HandlerInput(name = "newLogLevel", type = String.class, required = true),
        @HandlerInput(name = "allRows", type = List.class, required = true)},
    output = {
        @HandlerOutput(name = "newList", type = List.class)})
    public static void changeLoggerLevels(HandlerContext handlerCtx) {
        String newLogLevel = (String) handlerCtx.getInputValue("newLogLevel");
        List obj = (List) handlerCtx.getInputValue("allRows");
        List allRows = (List) obj;
        if (GuiUtil.isEmpty(newLogLevel)){
            handlerCtx.setOutputValue("newList",  allRows);
            return;
        }
        for(Map oneRow : allRows){
            boolean selected = (Boolean) oneRow.get("selected");
            if (selected){
                oneRow.put("level", newLogLevel);
                oneRow.put("selected", false);
            }
        }
        handlerCtx.setOutputValue("newList",  allRows);
     }



    @Handler(id = "updateLoggerLevels",
    input = {
        @HandlerInput(name = "allRows", type = List.class, required = true),
        @HandlerInput(name = "config", type = String.class, required = true)})
    public static void updateLoggerLevels(HandlerContext handlerCtx) {
        List> allRows = (List>) handlerCtx.getInputValue("allRows");
        String config = (String)handlerCtx.getInputValue("config");
        Map props = new HashMap();
        try{
            StringBuilder sb = new StringBuilder();
            String sep = "";
            for(Map oneRow : allRows) {
                String loggerName = (String) oneRow.get("loggerName");
                if ( !GuiUtil.isEmpty(loggerName)){
                    if (loggerName.contains(":")) {
                        loggerName = loggerName.replace(":", "\\:");
                    }
                    
                    sb.append(sep).append(loggerName).append("=").append(oneRow.get("level"));
                    sep=":";
                }
            }
            props.put("id", sb.toString());
            props.put("target", config);
            RestUtil.restRequest((String)GuiUtil.getSessionValue("REST_URL") + "/set-log-levels.json",
                    props, "POST", null, false, true);
            // after saving logger levels remove the deleted loggers
            deleteLoggers(allRows, config);
        }catch(Exception ex){
            GuiUtil.handleException(handlerCtx, ex);
            if (GuiUtil.getLogger().isLoggable(Level.FINE)){
                ex.printStackTrace();
            }
        }

     }

    public static void deleteLoggers(List> allRows, String configName) {
        ArrayList newLoggers = new ArrayList();
        HashMap attrs = new HashMap();
        attrs.put("target", configName);
        Map result = RestUtil.restRequest((String)GuiUtil.getSessionValue("REST_URL") + "/list-log-levels.json",
                    attrs, "GET", null, false);
        List oldLoggers = (List)((HashMap)((HashMap) result.get("data")).get("extraProperties")).get("loggers");
        for(Map oneRow : allRows){
            newLoggers.add((String)oneRow.get("loggerName"));
        }
        // delete the removed loggers
        StringBuilder sb = new StringBuilder();
        String sep = "";
        for (String logger : oldLoggers) {
            if (!newLoggers.contains(logger)) {  
                if (logger.contains(":")) {
                    logger = logger.replace(":", "\\:");
                }
                sb.append(sep).append(logger);
                sep=":";
            }
        }
        if (sb.length() > 0){
            attrs = new HashMap();
            attrs.put("id", sb.toString());
            attrs.put("target", configName);
            RestUtil.restRequest((String)GuiUtil.getSessionValue("REST_URL") + "/delete-log-levels", attrs, "POST", null, false);
        }
    }

    @Handler(id = "saveLoggingAttributes",
    input = {
        @HandlerInput(name = "attrs", type = Map.class, required=true),
        @HandlerInput(name = "config", type = String.class, required=true)
    })
    public static void saveLoggingAttributes(HandlerContext handlerCtx) {
        Map attrs = (Map) handlerCtx.getInputValue("attrs");
        String config = (String)handlerCtx.getInputValue("config");
        Map props = new HashMap<>();
        try {
            StringBuilder data = new StringBuilder();
            for (Map.Entry e : attrs.entrySet()) {
                String key = e.getKey();
                if ((key.equals("com.sun.enterprise.server.logging.SyslogHandler.useSystemLogging") ||
                        key.equals("com.sun.enterprise.server.logging.GFFileHandler.logtoFile") ||
                        key.equals("com.sun.enterprise.server.logging.GFFileHandler.logtoConsole") ||
                        key.equals("com.sun.enterprise.server.logging.GFFileHandler.multiLineMode") ||
                        key.equals("com.sun.enterprise.server.logging.GFFileHandler.rotationOnDateChange") ||
                        key.equals("com.sun.enterprise.server.logging.GFFileHandler.compressOnRotation") ||
                        key.equals("com.sun.enterprise.server.logging.GFFileHandler.logStandardStreams") ||
                        key.equals("com.sun.enterprise.server.logging.GFFileHandler.fastLogging") ||
                        key.equals("fish.payara.enterprise.server.logging.PayaraNotificationFileHandler.logtoFile") ||
                        key.equals("fish.payara.enterprise.server.logging.PayaraNotificationFileHandler.rotationOnDateChange") ||
                        key.equals("fish.payara.enterprise.server.logging.PayaraNotificationFileHandler.compressOnRotation"))
                        && (e.getValue() == null)) {
                    attrs.put(key, "false");
                }
                if (data.length() > 0) {
                    data.append(":");
                }
                data.append(key).append("='").append(attrs.get(key)).append("'");
            }
            props.put("id", data.toString());
            props.put("target", config);
            RestUtil.restRequest((String) GuiUtil.getSessionValue("REST_URL") + "/set-log-attributes",
                    props, "POST", null, false, true);
        } catch (Exception ex) {
            GuiUtil.handleException(handlerCtx, ex);
            if (GuiUtil.getLogger().isLoggable(Level.FINE)) {
                ex.printStackTrace();
            }
        }
     }

}