| /* |
| * Copyright 2006 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.dev.util.msg; |
| |
| import com.google.gwt.core.ext.TreeLogger; |
| import com.google.gwt.core.ext.TreeLogger.Type; |
| |
| /** |
| * 2-arg message. |
| */ |
| public abstract class Message2 extends Message { |
| |
| public Message2(Type type, String fmt) { |
| super(type, fmt, 2); |
| } |
| |
| protected TreeLogger branch2(TreeLogger logger, Object arg1, Object arg2, |
| Formatter fmt1, Formatter fmt2, Throwable caught) { |
| return logger.branch(type, compose2(arg1, arg2, fmt1, fmt2), caught); |
| } |
| |
| protected String compose2(Object arg1, Object arg2, Formatter fmt1, |
| Formatter fmt2) { |
| |
| // Format the objects. |
| // |
| String stringArg1 = (arg1 != null ? fmt1.format(arg1) : "null"); |
| String stringArg2 = (arg2 != null ? fmt2.format(arg2) : "null"); |
| |
| // Decide how to order the inserts. |
| // Tests are biased toward $1..$2 order. |
| // |
| String insert1 = (argIndices[0] == 0) ? stringArg1 : stringArg2; |
| String insert2 = (argIndices[1] == 1) ? stringArg2 : stringArg1; |
| |
| // Cache the length of the inserts. |
| // |
| int lenInsert1 = insert1.length(); |
| int lenInsert2 = insert2.length(); |
| |
| // Cache the length of each part. |
| // |
| int lenPart0 = fmtParts[0].length; |
| int lenPart1 = fmtParts[1].length; |
| int lenPart2 = fmtParts[2].length; |
| |
| // Prep for copying. |
| // |
| int dest = 0; |
| char[] chars = new char[minChars + lenInsert1 + lenInsert2]; |
| |
| // literal + insert, part 0 |
| System.arraycopy(fmtParts[0], 0, chars, dest, lenPart0); |
| dest += lenPart0; |
| |
| insert1.getChars(0, lenInsert1, chars, dest); |
| dest += lenInsert1; |
| |
| // literal + insert, part 1 |
| System.arraycopy(fmtParts[1], 0, chars, dest, lenPart1); |
| dest += lenPart1; |
| |
| insert2.getChars(0, lenInsert2, chars, dest); |
| dest += lenInsert2; |
| |
| // final literal |
| System.arraycopy(fmtParts[2], 0, chars, dest, lenPart2); |
| |
| return new String(chars); |
| } |
| |
| protected void log2(TreeLogger logger, Object arg1, Object arg2, |
| Formatter fmt1, Formatter fmt2, Throwable caught) { |
| if (logger.isLoggable(type)) { |
| logger.log(type, compose2(arg1, arg2, fmt1, fmt2), caught); |
| } |
| } |
| } |