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// 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.common.data.ChangeDetailService;
import com.google.gerrit.common.data.ChangeListService;
import com.google.gerrit.common.data.ChangeManageService;
import com.google.gerrit.reviewdb.client.Change;
import com.google.gwt.core.client.GWT;
import com.google.gwtjsonrpc.client.JsonUtil;
public class Util {
public static final ChangeConstants C = GWT.create(ChangeConstants.class);
public static final ChangeMessages M = GWT.create(ChangeMessages.class);
public static final ChangeResources R = GWT.create(ChangeResources.class);
public static final ChangeDetailService DETAIL_SVC;
public static final ChangeListService LIST_SVC;
public static final ChangeManageService MANAGE_SVC;
private static final int SUBJECT_MAX_LENGTH = 80;
private static final String SUBJECT_CROP_APPENDIX = "...";
private static final int SUBJECT_CROP_RANGE = 10;
static {
DETAIL_SVC = GWT.create(ChangeDetailService.class);
JsonUtil.bind(DETAIL_SVC, "rpc/ChangeDetailService");
LIST_SVC = GWT.create(ChangeListService.class);
JsonUtil.bind(LIST_SVC, "rpc/ChangeListService");
MANAGE_SVC = GWT.create(ChangeManageService.class);
JsonUtil.bind(MANAGE_SVC, "rpc/ChangeManageService");
}
public static String toLongString(final Change.Status status) {
if (status == null) {
return "";
}
switch (status) {
case DRAFT:
return C.statusLongDraft();
case NEW:
return C.statusLongNew();
case SUBMITTED:
return C.statusLongSubmitted();
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.
*
* If the given subject is not longer than {@link #SUBJECT_MAX_LENGTH}
* characters it is returned unchanged.
*
* 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.
*
* 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(final 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;
}
}
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