+++ /dev/null
-/*-
- * ========================LICENSE_START=================================
- * O-RAN-SC
- * %%
- * Copyright (C) 2023 Nordix Foundation
- * %%
- * 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.
- * ========================LICENSE_END===================================
- */
-
-package org.oran.pmlog;
-
-import java.io.ByteArrayInputStream;
-import java.util.zip.GZIPInputStream;
-
-import lombok.ToString;
-
-import org.apache.kafka.common.header.Header;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-@ToString
-public class DataFromKafkaTopic {
- private final byte[] key;
- private final byte[] value;
- private String stringValue = null;
- private static final Logger logger = LoggerFactory.getLogger(DataFromKafkaTopic.class);
-
- public final Iterable<Header> headers;
-
- private static byte[] noBytes = new byte[0];
-
- public DataFromKafkaTopic(Iterable<Header> headers, byte[] key, byte[] value) {
- this.key = key == null ? noBytes : key;
- this.value = value == null ? noBytes : value;
- this.headers = headers;
- }
-
- public String valueAsString() {
- if (stringValue == null) {
- if (isZipped()) {
- stringValue = unzip(this.value);
- } else {
- stringValue = new String(this.value);
- }
-
- }
- return this.stringValue;
- }
-
- private String unzip(byte[] bytes) {
- try (final GZIPInputStream gzipInput = new GZIPInputStream(new ByteArrayInputStream(bytes))) {
- return new String(gzipInput.readAllBytes());
- } catch (Exception e) {
- logger.error("Could not unzip received info, reason: {}, typeId: {}", e.getMessage(),
- getTypeIdFromHeaders());
- return "";
- }
- }
-
- public static final String ZIPPED_PROPERTY = "gzip";
- public static final String TYPE_ID_PROPERTY = "type-id";
-
- public boolean isZipped() {
- if (headers == null) {
- return false;
- }
- for (Header h : headers) {
- if (h.key().equals(ZIPPED_PROPERTY)) {
- return true;
- }
- }
- return false;
- }
-
- public String getTypeIdFromHeaders() {
- if (headers == null) {
- return "";
- }
- for (Header h : headers) {
- if (h.key().equals(TYPE_ID_PROPERTY)) {
- return new String(h.value());
- }
- }
- return "";
- }
-}