com.google.common.flogger.backend.LogSiteFormatters Maven / Gradle / Ivy
/*
* Copyright (C) 2023 The Flogger Authors.
*
* 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.common.flogger.backend;
import com.google.common.flogger.LogSite;
/** Sample LogSiteFormatter implementations. */
public enum LogSiteFormatters implements LogSiteFormatter {
DEFAULT {
/** Appends logsite information in the default format, .: */
@Override
public boolean appendLogSite(LogSite logSite, StringBuilder out) {
if (logSite == LogSite.INVALID) {
return false;
}
out.append(logSite.getClassName())
.append('.')
.append(logSite.getMethodName())
.append(':')
.append(logSite.getLineNumber());
return true;
}
},
NO_OP {
/** Does not append logsite information. */
@Override
public boolean appendLogSite(LogSite logSite, StringBuilder out) {
return false;
}
},
SIMPLE_CLASSNAME {
/**
* Appends logsite information using the unqualified class name,
* .:
*
* The unqualified class name is all text after the last period. A class name with no
* separators or a trailing separator will be appended in full.
*/
@Override
public boolean appendLogSite(LogSite logSite, StringBuilder out) {
if (logSite == LogSite.INVALID) {
return false;
}
String qualifiedClassName = logSite.getClassName();
int lastDotIndex = qualifiedClassName.lastIndexOf('.');
if (lastDotIndex == -1 || lastDotIndex + 1 >= qualifiedClassName.length()) {
out.append(qualifiedClassName);
} else {
out.append(qualifiedClassName, lastDotIndex + 1, qualifiedClassName.length());
}
out.append('.').append(logSite.getMethodName()).append(':').append(logSite.getLineNumber());
return true;
}
}
}