com.ironcorelabs.shaded.google.api.client.util.LoggingStreamingContent Maven / Gradle / Ivy
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/*
* Copyright (c) 2010 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.api.client.util;
import java.io.IOException;
import java.io.OutputStream;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Wraps another streaming content without modifying the content, but also logging content using
* {@link LoggingOutputStream}.
*
* Implementation is not thread-safe.
*
* @author Yaniv Inbar
* @since 1.14
*/
public final class LoggingStreamingContent implements StreamingContent {
/** Streaming content. */
private final StreamingContent content;
/** Maximum number of bytes to log or {@code 0} to avoid logging content. */
private final int contentLoggingLimit;
/** Logging level. */
private final Level loggingLevel;
/** Logger. */
private final Logger logger;
/**
* @param content streaming content
* @param logger logger
* @param loggingLevel logging level
* @param contentLoggingLimit maximum number of bytes to log or {@code 0} to avoid logging content
*/
public LoggingStreamingContent(
StreamingContent content, Logger logger, Level loggingLevel, int contentLoggingLimit) {
this.content = content;
this.logger = logger;
this.loggingLevel = loggingLevel;
this.contentLoggingLimit = contentLoggingLimit;
}
public void writeTo(OutputStream out) throws IOException {
LoggingOutputStream loggableOutputStream =
new LoggingOutputStream(out, logger, loggingLevel, contentLoggingLimit);
try {
content.writeTo(loggableOutputStream);
} finally {
// force the log stream to close
loggableOutputStream.getLogStream().close();
}
out.flush();
}
}