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49 changes: 49 additions & 0 deletions
49
.../src/main/java/io/aiven/kafka/connect/common/config/enums/ObjectDistributionStrategy.java
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| /* | ||
| * Copyright 2025 Aiven Oy | ||
| * | ||
| * 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. | ||
| */ | ||
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| package io.aiven.kafka.connect.common.config.enums; | ||
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| import java.util.Arrays; | ||
| import java.util.Objects; | ||
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| import org.apache.kafka.common.config.ConfigException; | ||
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| public enum ObjectDistributionStrategy { | ||
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| OBJECT_HASH("object_hash"), PARTITION_IN_FILENAME("partition_in_filename"), PARTITION_IN_FILEPATH( | ||
| "partition_in_filepath"); | ||
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| private final String name; | ||
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| public String value() { | ||
| return name; | ||
| } | ||
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| ObjectDistributionStrategy(final String name) { | ||
| this.name = name; | ||
| } | ||
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| public static ObjectDistributionStrategy forName(final String name) { | ||
| Objects.requireNonNull(name, "name cannot be null"); | ||
| for (final ObjectDistributionStrategy objectDistributionStrategy : ObjectDistributionStrategy.values()) { | ||
| if (objectDistributionStrategy.name.equalsIgnoreCase(name)) { | ||
| return objectDistributionStrategy; | ||
| } | ||
| } | ||
| throw new ConfigException(String.format("Unknown object.distribution.strategy type: %s, allowed values %s ", | ||
| name, Arrays.toString(ObjectDistributionStrategy.values()))); | ||
| } | ||
| } |
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34 changes: 34 additions & 0 deletions
34
...rc/main/java/io/aiven/kafka/connect/common/source/input/utils/FileExtractionPatterns.java
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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * Copyright 2025 Aiven Oy | ||
| * | ||
| * 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. | ||
| */ | ||
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| package io.aiven.kafka.connect.common.source.input.utils; | ||
| public class FileExtractionPatterns { | ||
| public static final String PATTERN_PARTITION_KEY = "partition"; | ||
| public static final String PATTERN_TOPIC_KEY = "topic"; | ||
| public static final String START_OFFSET_PATTERN = "{{start_offset}}"; | ||
| public static final String TIMESTAMP_PATTERN = "{{timestamp}}"; | ||
| public static final String PARTITION_PATTERN = "{{" + PATTERN_PARTITION_KEY + "}}"; | ||
| public static final String TOPIC_PATTERN = "{{" + PATTERN_TOPIC_KEY + "}}"; | ||
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| // Use a named group to return the partition in a complex string to always get the correct information for the | ||
| // partition number. | ||
| public static final String PARTITION_NAMED_GROUP_REGEX_PATTERN = "(?<" + PATTERN_PARTITION_KEY + ">\\d+)"; | ||
| public static final String NUMBER_REGEX_PATTERN = "(?:\\d+)"; | ||
| public static final String TOPIC_NAMED_GROUP_REGEX_PATTERN = "(?<" + PATTERN_TOPIC_KEY + ">[a-zA-Z0-9\\-_.]+)"; | ||
| public static final String DEFAULT_PREFIX_FILE_PATH_PATTERN = "topics/{{" + PATTERN_TOPIC_KEY + "}}/partition={{" | ||
| + PATTERN_PARTITION_KEY + "}}/"; | ||
| public static final String ANY_FILENAME_PATTERN = ".*$"; | ||
| } |
57 changes: 57 additions & 0 deletions
57
commons/src/main/java/io/aiven/kafka/connect/common/source/input/utils/FilePatternUtils.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| /* | ||
| * Copyright 2025 Aiven Oy | ||
| * | ||
| * 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. | ||
| */ | ||
|
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| package io.aiven.kafka.connect.common.source.input.utils; | ||
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| import static io.aiven.kafka.connect.common.source.input.utils.FileExtractionPatterns.NUMBER_REGEX_PATTERN; | ||
| import static io.aiven.kafka.connect.common.source.input.utils.FileExtractionPatterns.PARTITION_NAMED_GROUP_REGEX_PATTERN; | ||
| import static io.aiven.kafka.connect.common.source.input.utils.FileExtractionPatterns.PARTITION_PATTERN; | ||
| import static io.aiven.kafka.connect.common.source.input.utils.FileExtractionPatterns.START_OFFSET_PATTERN; | ||
| import static io.aiven.kafka.connect.common.source.input.utils.FileExtractionPatterns.TIMESTAMP_PATTERN; | ||
| import static io.aiven.kafka.connect.common.source.input.utils.FileExtractionPatterns.TOPIC_NAMED_GROUP_REGEX_PATTERN; | ||
| import static io.aiven.kafka.connect.common.source.input.utils.FileExtractionPatterns.TOPIC_PATTERN; | ||
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| import java.util.regex.Pattern; | ||
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| import org.apache.kafka.common.config.ConfigException; | ||
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| import org.apache.commons.lang3.StringUtils; | ||
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| public final class FilePatternUtils { | ||
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| private FilePatternUtils() { | ||
| // hidden | ||
| } | ||
| public static Pattern configurePattern(final String expectedSourceNameFormat) { | ||
| if (expectedSourceNameFormat == null || !expectedSourceNameFormat.contains(PARTITION_PATTERN)) { | ||
| throw new ConfigException(String.format( | ||
| "Source name format %s missing partition pattern {{partition}} please configure the expected source to include the partition pattern.", | ||
| expectedSourceNameFormat)); | ||
| } | ||
| // Build REGEX Matcher | ||
| String regexString = StringUtils.replace(expectedSourceNameFormat, START_OFFSET_PATTERN, NUMBER_REGEX_PATTERN); | ||
| regexString = StringUtils.replace(regexString, TIMESTAMP_PATTERN, NUMBER_REGEX_PATTERN); | ||
| regexString = StringUtils.replace(regexString, TOPIC_PATTERN, TOPIC_NAMED_GROUP_REGEX_PATTERN); | ||
| regexString = StringUtils.replace(regexString, PARTITION_PATTERN, PARTITION_NAMED_GROUP_REGEX_PATTERN); | ||
| try { | ||
| return Pattern.compile(regexString); | ||
| } catch (IllegalArgumentException iae) { | ||
| throw new ConfigException( | ||
| String.format("Unable to compile the regex pattern %s to retrieve the partition id.", regexString), | ||
| iae); | ||
| } | ||
| } | ||
| } |
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