com.google.gwt.logging.server.RemoteLoggingServiceImpl.java Source code

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Here is the source code for com.google.gwt.logging.server.RemoteLoggingServiceImpl.java

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/*
 * Copyright 2010 Google Inc.
 * 
 * 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 com.google.gwt.logging.server;

import com.google.gwt.logging.server.RemoteLoggingServiceUtil.RemoteLoggingException;
import com.google.gwt.logging.shared.RemoteLoggingService;
import com.google.gwt.user.server.rpc.RemoteServiceServlet;

import java.util.logging.Level;
import java.util.logging.LogRecord;
import java.util.logging.Logger;

/**
 * Server side code for the remote log handler.
 */
public class RemoteLoggingServiceImpl extends RemoteServiceServlet implements RemoteLoggingService {
    // No deobfuscator by default
    private static StackTraceDeobfuscator deobfuscator = null;

    private static Logger logger = Logger.getLogger(RemoteServiceServlet.class.getName());

    private static String loggerNameOverride = null;

    /**
     * Logs a Log Record which has been serialized using GWT RPC on the server.
     * @return either an error message, or null if logging is successful.
     */
    public final String logOnServer(LogRecord lr) {
        String strongName = getPermutationStrongName();
        try {
            RemoteLoggingServiceUtil.logOnServer(lr, strongName, deobfuscator, loggerNameOverride);
        } catch (RemoteLoggingException e) {
            logger.log(Level.SEVERE, "Remote logging failed", e);
            return "Remote logging failed, check stack trace for details.";
        }
        return null;
    }

    /**
     * By default, messages are logged to a logger that has the same name as
     * the logger that created them on the client. If you want to log all messages
     * from the client to a logger with another name, you can set the override
     * using this method.
     */
    public void setLoggerNameOverride(String override) {
        loggerNameOverride = override;
    }

    /**
     * By default, this service does not do any deobfuscation. In order to do
     * server side deobfuscation, you must copy the symbolMaps files to a
     * directory visible to the server and set the directory using this method.
     * @param symbolMapsDir
     */
    public void setSymbolMapsDirectory(String symbolMapsDir) {
        if (deobfuscator == null) {
            deobfuscator = new StackTraceDeobfuscator(symbolMapsDir);
        } else {
            deobfuscator.setSymbolMapsDirectory(symbolMapsDir);
        }
    }
}