| // Copyright (C) 2008 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 com.google.gerrit.client.changes; |
| |
| import com.google.gerrit.reviewdb.client.Change; |
| import com.google.gwt.core.client.GWT; |
| |
| public class Util { |
| public static final ChangeConstants C = GWT.create(ChangeConstants.class); |
| public static final ChangeMessages M = GWT.create(ChangeMessages.class); |
| |
| private static final int SUBJECT_MAX_LENGTH = 80; |
| private static final String SUBJECT_CROP_APPENDIX = "..."; |
| private static final int SUBJECT_CROP_RANGE = 10; |
| |
| public static String toLongString(Change.Status status) { |
| if (status == null) { |
| return ""; |
| } |
| switch (status) { |
| case NEW: |
| return C.statusLongNew(); |
| case MERGED: |
| return C.statusLongMerged(); |
| case ABANDONED: |
| return C.statusLongAbandoned(); |
| default: |
| return status.name(); |
| } |
| } |
| |
| /** |
| * Crops the given change subject if needed so that it has at most {@link #SUBJECT_MAX_LENGTH} |
| * characters. |
| * |
| * <p>If the given subject is not longer than {@link #SUBJECT_MAX_LENGTH} characters it is |
| * returned unchanged. |
| * |
| * <p>If the length of the given subject exceeds {@link #SUBJECT_MAX_LENGTH} characters it is |
| * cropped. In this case {@link #SUBJECT_CROP_APPENDIX} is appended to the cropped subject, the |
| * cropped subject including the appendix has at most {@link #SUBJECT_MAX_LENGTH} characters. |
| * |
| * <p>If cropping is needed, the subject will be cropped after the last space character that is |
| * found within the last {@link #SUBJECT_CROP_RANGE} characters of the potentially visible |
| * characters. If no such space is found, the subject will be cropped so that the cropped subject |
| * including the appendix has exactly {@link #SUBJECT_MAX_LENGTH} characters. |
| * |
| * @return the subject, cropped if needed |
| */ |
| @SuppressWarnings("deprecation") |
| public static String cropSubject(String subject) { |
| if (subject.length() > SUBJECT_MAX_LENGTH) { |
| final int maxLength = SUBJECT_MAX_LENGTH - SUBJECT_CROP_APPENDIX.length(); |
| for (int cropPosition = maxLength; |
| cropPosition > maxLength - SUBJECT_CROP_RANGE; |
| cropPosition--) { |
| // Character.isWhitespace(char) can't be used because this method is not supported by GWT, |
| // see https://developers.google.com/web-toolkit/doc/1.6/RefJreEmulation#Package_java_lang |
| if (Character.isSpace(subject.charAt(cropPosition - 1))) { |
| return subject.substring(0, cropPosition) + SUBJECT_CROP_APPENDIX; |
| } |
| } |
| return subject.substring(0, maxLength) + SUBJECT_CROP_APPENDIX; |
| } |
| return subject; |
| } |
| } |