LogTag.java

/*
 * Copyright (C) 2009 The Android Open Source Project
 *
 * 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 cn.edu.tsinghua.hpc.tmms;

import android.util.Log;

public class LogTag {
    public static final String TAG = "Mms";

    public static final String TRANSACTION = "Mms:transaction";
    public static final String APP = "Mms:app";

    private static String prettyArray(String[] array) {
        if (array.length == 0) {
            return "[]";
        }

        StringBuilder sb = new StringBuilder("[");
        int len = array.length-1;
        for (int i = 0; i < len; i++) {
            sb.append(array[i]);
            sb.append(", ");
        }
        sb.append(array[len]);
        sb.append("]");

        return sb.toString();
    }

    private static String logFormat(String format, Object... args) {
        for (int i = 0; i < args.length; i++) {
            if (args[i] instanceof String[]) {
                args[i] = prettyArray((String[])args[i]);
            }
        }
        String s = String.format(format, args);
        s = "[" + Thread.currentThread().getId() + "] " + s;
        return s;
    }

    public static void debug(String format, Object... args) {
        Log.d(TAG, logFormat(format, args));
    }

    public static void warn(String format, Object... args) {
        Log.w(TAG, logFormat(format, args));
    }

    public static void error(String format, Object... args) {
        Log.e(TAG, logFormat(format, args));
    }
}