/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at legal-notices/CDDLv1_0.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2006-2008 Sun Microsystems, Inc.
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* Portions Copyright 2014-2015 ForgeRock AS.
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*/
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package org.opends.server.loggers;
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import java.util.*;
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/**
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* This class is responsible for formatting messages and replacing
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* format tokens with the text value of message arguments in debug logging
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* records.
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*/
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class DebugMessageFormatter
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{
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/**
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* Format the message format string with the provided arguments.
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*
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* @param msg the message format string to be formatted.
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* @param msgArgs the arguments to use when replacing tokens in the message.
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* @return the formatted message string.
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*/
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static String format(String msg, Object[] msgArgs)
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{
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StringBuilder buffer= new StringBuilder();
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Object[] decoratedArgs = decorateMessageArgs(msgArgs);
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if (msg == null)
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{
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concatenateArgs(decoratedArgs, buffer);
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return buffer.toString();
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}
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try
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{
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return String.format(msg, decoratedArgs);
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}
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catch (IllegalFormatException e)
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{
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// Make a more useful message than a stack trace.
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buffer.append(msg);
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concatenateArgs(decoratedArgs, buffer);
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return buffer.toString();
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}
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}
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private static void concatenateArgs(Object[] args, StringBuilder buffer)
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{
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for (int i = 0; (args != null) && (i < args.length); i++) {
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buffer.append(" ").append(args[i]);
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}
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}
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private static Object[] decorateMessageArgs(Object[] undecoratedArgs)
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{
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Object[] args= null;
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if (undecoratedArgs != null) {
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args= new Object[undecoratedArgs.length];
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for (int i= 0; i < args.length; i++) {
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args[i]= decorateArg(undecoratedArgs[i]);
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}
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}
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return args;
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}
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private static Object decorateArg(Object arg)
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{
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Object decoratedArg= arg;
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if (arg instanceof Map) {
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decoratedArg= decorateMapArg((Map)arg);
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}
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else if (arg instanceof List) {
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decoratedArg= decorateListArg((List)arg);
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}
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else if (arg instanceof Object[]) {
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decoratedArg= decorateArrayArg((Object[])arg);
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}
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else if (arg instanceof boolean[]) {
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decoratedArg = decorateArrayArg((boolean[])arg);
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}
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else if (arg instanceof byte[]) {
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decoratedArg = decorateArrayArg((byte[])arg);
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}
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else if (arg instanceof char[]) {
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decoratedArg = decorateArrayArg((char[])arg);
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}
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else if (arg instanceof double[]) {
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decoratedArg = decorateArrayArg((double[])arg);
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}
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else if (arg instanceof float[]) {
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decoratedArg = decorateArrayArg((float[])arg);
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}
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else if (arg instanceof int[]) {
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decoratedArg = decorateArrayArg((int[])arg);
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}
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else if (arg instanceof long[]) {
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decoratedArg = decorateArrayArg((long[])arg);
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}
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return decoratedArg;
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}
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private static String decorateArrayArg(Object[] array)
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{
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return decorateListArg(Arrays.asList(array));
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}
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private static String decorateArrayArg(boolean[] array)
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{
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StringBuilder buffer= new StringBuilder();
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buffer.append("[ ");
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for (int i= 0; i < array.length; i++) {
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if (i > 0)
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{
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buffer.append(", ");
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}
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buffer.append(array[i]);
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}
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buffer.append(" ]");
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return buffer.toString();
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}
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private static String decorateArrayArg(byte[] array)
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{
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StringBuilder buffer= new StringBuilder();
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buffer.append("[ ");
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for (int i= 0; i < array.length; i++) {
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if (i > 0)
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{
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buffer.append(", ");
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}
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buffer.append(array[i]);
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}
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buffer.append(" ]");
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return buffer.toString();
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}
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private static String decorateArrayArg(char[] array)
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{
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StringBuilder buffer= new StringBuilder();
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buffer.append("[ ");
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for (int i= 0; i < array.length; i++) {
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if (i > 0)
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{
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buffer.append(", ");
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}
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buffer.append(array[i]);
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}
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buffer.append(" ]");
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return buffer.toString();
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}
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private static String decorateArrayArg(double[] array)
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{
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StringBuilder buffer= new StringBuilder();
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buffer.append("[ ");
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for (int i= 0; i < array.length; i++) {
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if (i > 0)
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{
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buffer.append(", ");
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}
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buffer.append(array[i]);
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}
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buffer.append(" ]");
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return buffer.toString();
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}
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private static String decorateArrayArg(float[] array)
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{
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StringBuilder buffer= new StringBuilder();
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buffer.append("[ ");
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for (int i= 0; i < array.length; i++) {
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if (i > 0)
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{
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buffer.append(", ");
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}
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buffer.append(array[i]);
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}
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buffer.append(" ]");
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return buffer.toString();
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}
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private static String decorateArrayArg(int[] array)
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{
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StringBuilder buffer= new StringBuilder();
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buffer.append("[ ");
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for (int i= 0; i < array.length; i++) {
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if (i > 0)
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{
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buffer.append(", ");
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}
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buffer.append(array[i]);
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}
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buffer.append(" ]");
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return buffer.toString();
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}
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private static String decorateArrayArg(long[] array)
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{
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StringBuilder buffer= new StringBuilder();
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buffer.append("[ ");
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for (int i= 0; i < array.length; i++) {
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if (i > 0)
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{
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buffer.append(", ");
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}
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buffer.append(array[i]);
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}
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buffer.append(" ]");
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return buffer.toString();
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}
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private static String decorateListArg(List list)
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{
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StringBuilder buffer= new StringBuilder();
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Iterator iter= list.iterator();
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buffer.append("[ ");
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boolean firstElement= true;
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while (iter.hasNext()) {
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Object lValue= iter.next();
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if (!firstElement)
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{
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buffer.append(", ");
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}
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buffer.append(decorateArg(lValue));
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firstElement= false;
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}
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buffer.append(" ]");
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return buffer.toString();
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}
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private static String decorateMapArg(Map map)
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{
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StringBuilder buffer= new StringBuilder();
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Iterator iter= map.entrySet().iterator();
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buffer.append("{ ");
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boolean firstEntry= true;
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while (iter.hasNext()) {
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Map.Entry entry= (Map.Entry)iter.next();
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if (!firstEntry)
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{
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buffer.append(", ");
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}
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buffer.append(decorateArg(entry.getKey()));
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buffer.append("=");
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buffer.append(decorateArg(entry.getValue()));
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firstEntry= false;
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}
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buffer.append(" }");
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return buffer.toString();
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}
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}
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