<commit_before>/*
 * Copyright 2013-2016 the original author or 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 org.springframework.cloud.sleuth.instrument.messaging;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.springframework.cloud.sleuth.Span;
import org.springframework.cloud.sleuth.SpanInjector;
import org.springframework.cloud.sleuth.TraceKeys;
import org.springframework.messaging.Message;
import org.springframework.messaging.support.MessageBuilder;
import org.springframework.messaging.support.MessageHeaderAccessor;
import org.springframework.messaging.support.NativeMessageHeaderAccessor;
import org.springframework.util.StringUtils;

/**
 * Creates a {@link Span.SpanBuilder} from {@link Message}
 *
 * @author <NAME>
 *
 * @since 1.0.0
 */
public class MessagingSpanInjector implements SpanInjector<MessageBuilder> {

	public static final String SPAN_HEADER = "X-Current-Span";

	private final TraceKeys traceKeys;

	public MessagingSpanInjector(TraceKeys traceKeys) {
		this.traceKeys = traceKeys;
	}

	@Override
	public void inject(Span span, MessageBuilder carrier) {
		Message initialMessage = carrier.build();
		MessageHeaderAccessor accessor = MessageHeaderAccessor
				.getMutableAccessor(initialMessage);
		if (span == null) {
			if (!Span.SPAN_SAMPLED.equals(initialMessage.getHeaders().get(Span.SAMPLED_NAME))) {
				accessor.setHeader(Span.SAMPLED_NAME, Span.SPAN_NOT_SAMPLED);
				carrier.setHeaders(accessor);
				return;
			}<commit_msg>Limited visibility of MessagingSpanIjnector<commit_after>/*
 * Copyright 2013-2016 the original author or 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 org.springframework.cloud.sleuth.instrument.messaging;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.springframework.cloud.sleuth.Span;
import org.springframework.cloud.sleuth.SpanInjector;
import org.springframework.cloud.sleuth.TraceKeys;
import org.springframework.messaging.Message;
import org.springframework.messaging.support.MessageBuilder;
import org.springframework.messaging.support.MessageHeaderAccessor;
import org.springframework.messaging.support.NativeMessageHeaderAccessor;
import org.springframework.util.StringUtils;

/**
 * Creates a {@link Span.SpanBuilder} from {@link Message}
 *
 * @author <NAME>
 *
 * @since 1.0.0
 */
class MessagingSpanInjector implements SpanInjector<MessageBuilder> {

	public static final String SPAN_HEADER = "X-Current-Span";

	private final TraceKeys traceKeys;

	public MessagingSpanInjector(TraceKeys traceKeys) {
		this.traceKeys = traceKeys;
	}

	@Override
	public void inject(Span span, MessageBuilder carrier) {
		Message initialMessage = carrier.build();
		MessageHeaderAccessor accessor = MessageHeaderAccessor
				.getMutableAccessor(initialMessage);
		if (span == null) {
			if (!Span.SPAN_SAMPLED.equals(initialMessage.getHeaders().get(Span.SAMPLED_NAME))) {
				accessor.setHeader(Span.SAMPLED_NAME, Span.SPAN_NOT_SAMPLED);
				carrier.setHeaders(accessor);
				return;
			}
{'fraction_non_alphanumeric': 0.0912863070539419, 'fraction_numerical': 0.00732243104710764, 'mean_word_length': 4.9824817518248175, 'pattern_counts': {'":': 0, '<': 7, '<?xml version=': 0, '>': 7, 'https://': 0, 'lorem ipsum': 0, 'www.': 2, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '6653813', 'n_tokens_mistral': 1198, 'n_tokens_neox': 1140, 'n_words': 330}