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69 changes: 69 additions & 0 deletions
69
src/main/java/org/swisspush/logtransformer/strategy/DefaultTransformStrategyFinder.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| package org.swisspush.logtransformer.strategy; | ||
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| import io.vertx.core.MultiMap; | ||
| import io.vertx.core.Vertx; | ||
| import io.vertx.core.logging.Logger; | ||
| import io.vertx.core.logging.LoggerFactory; | ||
|
|
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| /** | ||
| * Default implementation of the {@link TransformStrategyFinder} | ||
| * | ||
| * @author https://github.com/mcweba [Marc-Andre Weber] | ||
| */ | ||
| public class DefaultTransformStrategyFinder implements TransformStrategyFinder { | ||
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| private final String strategyHeader; | ||
| private final Logger log = LoggerFactory.getLogger(DefaultTransformStrategyFinder.class); | ||
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| private Vertx vertx; | ||
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| private DoNothingTransformStrategy doNothingTransformStrategy; | ||
| private SplitStorageExpandLogStrategy splitStorageExpandLogStrategy; | ||
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| public DefaultTransformStrategyFinder(Vertx vertx, String strategyHeader) { | ||
| this.vertx = vertx; | ||
| this.strategyHeader = strategyHeader; | ||
| } | ||
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| /** | ||
| * Returns the corresponding {@link TransformStrategy} implementation based on the provided header strategy property. | ||
| * | ||
| * @param headers the headers containing the name of the strategy | ||
| * @return returns the corresponding {@link TransformStrategy} implementation or {@link DoNothingTransformStrategy} when no matching strategy was found | ||
| */ | ||
| @Override | ||
| public TransformStrategy findTransformStrategy(MultiMap headers){ | ||
| String strategy = headers.get(strategyHeader); | ||
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| if(isEmpty(strategy)){ | ||
| return getDoNothingTransformStrategy(); | ||
| } else if("SplitStorageExpandLogStrategy".equalsIgnoreCase(strategy)){ | ||
| return getSplitStorageExpandLogStrategy(); | ||
| } | ||
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| log.warn("No log transform strategy found for value '" + strategy + "'. Using DoNothingTransformStrategy instead"); | ||
| return getDoNothingTransformStrategy(); | ||
| } | ||
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| private DoNothingTransformStrategy getDoNothingTransformStrategy(){ | ||
| if(doNothingTransformStrategy == null){ | ||
| doNothingTransformStrategy = new DoNothingTransformStrategy(vertx); | ||
| } | ||
| return doNothingTransformStrategy; | ||
| } | ||
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| private SplitStorageExpandLogStrategy getSplitStorageExpandLogStrategy(){ | ||
| if(splitStorageExpandLogStrategy == null){ | ||
| splitStorageExpandLogStrategy = new SplitStorageExpandLogStrategy(vertx); | ||
| } | ||
| return splitStorageExpandLogStrategy; | ||
| } | ||
|
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| private boolean isEmpty(String stringToTest){ | ||
| if(stringToTest == null){ | ||
| return true; | ||
| } | ||
| String trimmed = stringToTest.trim(); | ||
| return trimmed.length() == 0; | ||
| } | ||
| } |
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55 changes: 3 additions & 52 deletions
55
src/main/java/org/swisspush/logtransformer/strategy/TransformStrategyFinder.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,68 +1,19 @@ | ||
| package org.swisspush.logtransformer.strategy; | ||
|
|
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| import io.vertx.core.MultiMap; | ||
| import io.vertx.core.Vertx; | ||
| import io.vertx.core.logging.Logger; | ||
| import io.vertx.core.logging.LoggerFactory; | ||
|
|
||
| /** | ||
| * Manages the mapping of the {@link TransformStrategy} implementations to their strategy name (metadata) | ||
| * | ||
| * @author https://github.com/mcweba [Marc-Andre Weber] | ||
| */ | ||
| public class TransformStrategyFinder { | ||
|
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| private final String strategyHeader; | ||
| private final Logger log = LoggerFactory.getLogger(TransformStrategyFinder.class); | ||
|
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| private Vertx vertx; | ||
|
|
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| private DoNothingTransformStrategy doNothingTransformStrategy; | ||
| private SplitStorageExpandLogStrategy splitStorageExpandLogStrategy; | ||
|
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| public TransformStrategyFinder(Vertx vertx, String strategyHeader) { | ||
| this.vertx = vertx; | ||
| this.strategyHeader = strategyHeader; | ||
| } | ||
| public interface TransformStrategyFinder { | ||
|
|
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| /** | ||
| * Returns the corresponding {@link TransformStrategy} implementation based on the provided header strategy property. | ||
| * | ||
| * @param headers the headers containing the name of the strategy | ||
| * @return returns the corresponding {@link TransformStrategy} implementation or {@link DoNothingTransformStrategy} when no matching strategy was found | ||
| * @return returns the corresponding {@link TransformStrategy} implementation | ||
| */ | ||
| public TransformStrategy findTransformStrategy(MultiMap headers){ | ||
| String strategy = headers.get(strategyHeader); | ||
|
|
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| if(isEmpty(strategy)){ | ||
| return getDoNothingTransformStrategy(); | ||
| } else if("SplitStorageExpandLogStrategy".equalsIgnoreCase(strategy)){ | ||
| return getSplitStorageExpandLogStrategy(); | ||
| } | ||
|
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| log.warn("No log transform strategy found for value '" + strategy + "'. Using DoNothingTransformStrategy instead"); | ||
| return getDoNothingTransformStrategy(); | ||
| } | ||
|
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| private DoNothingTransformStrategy getDoNothingTransformStrategy(){ | ||
| if(doNothingTransformStrategy == null){ | ||
| doNothingTransformStrategy = new DoNothingTransformStrategy(vertx); | ||
| } | ||
| return doNothingTransformStrategy; | ||
| } | ||
|
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| private SplitStorageExpandLogStrategy getSplitStorageExpandLogStrategy(){ | ||
| if(splitStorageExpandLogStrategy == null){ | ||
| splitStorageExpandLogStrategy = new SplitStorageExpandLogStrategy(vertx); | ||
| } | ||
| return splitStorageExpandLogStrategy; | ||
| } | ||
|
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| private boolean isEmpty(String stringToTest){ | ||
| if(stringToTest == null){ | ||
| return true; | ||
| } | ||
| String trimmed = stringToTest.trim(); | ||
| return trimmed.length() == 0; | ||
| } | ||
| TransformStrategy findTransformStrategy(MultiMap headers); | ||
| } |
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