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Generate Flow bean from Workflow file #92
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22 changes: 22 additions & 0 deletions
22
core/deployment/src/main/java/io/quarkiverse/flow/deployment/FlowIdentifierBuildItem.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| package io.quarkiverse.flow.deployment; | ||
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| import java.util.Objects; | ||
| import java.util.Set; | ||
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| import io.quarkus.builder.item.MultiBuildItem; | ||
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| /** | ||
| * Build item representing a set of flow identifiers. | ||
| */ | ||
| public final class FlowIdentifierBuildItem extends MultiBuildItem { | ||
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| private final Set<String> identifiers; | ||
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| public FlowIdentifierBuildItem(Set<String> identifiers) { | ||
| this.identifiers = Objects.requireNonNull(identifiers, "'identifiers' must not be null"); | ||
| } | ||
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| public Set<String> identifiers() { | ||
| return identifiers; | ||
| } | ||
| } |
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73 changes: 73 additions & 0 deletions
73
core/deployment/src/main/java/io/quarkiverse/flow/deployment/WorkflowNamingConverter.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| package io.quarkiverse.flow.deployment; | ||
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| import java.util.Objects; | ||
| import java.util.Optional; | ||
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| public interface WorkflowNamingConverter { | ||
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| /** | ||
| * Converts a <code>document.namespace</code> from Workflow specification to a Java package name. | ||
| * <p> | ||
| * This method assumes that the provided namespace is valid according to the | ||
| * <a href="https://github.com/serverlessworkflow/specification/blob/main/schema/workflow.yaml">CNCF Specification</a>. | ||
| * | ||
| * @param namespace the CNCF <code>document.namespace</code> to convert | ||
| * @return the corresponding Java package name | ||
| */ | ||
| static String namespaceToPackage(String namespace) { | ||
| Objects.requireNonNull(namespace, "'namespace' must not be null"); | ||
| return namespace.replace('-', '.').toLowerCase(); | ||
| } | ||
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| /** | ||
| * Converts a <code>document.name</code> from a Workflow Specification to a Java class name. | ||
| * <p> | ||
| * This method assumes that the provided name is valid according to the | ||
| * <a href="https://github.com/serverlessworkflow/specification/blob/main/schema/workflow.yaml">CNCF Specification</a>. | ||
| * <p> | ||
| * Example: | ||
| * <code> | ||
| * String className = WorkflowNamingConverter.nameToClassName("CNCFWorkflow"); | ||
| * Assertions.assertEquals("CNCFWorkflow", className); | ||
| * </code> | ||
| * | ||
| * @param name the CNCF Workflow specification <code>document.name</code> to convert | ||
| * @return the corresponding Java class name | ||
| */ | ||
| static String nameToClassName(String name) { | ||
| Objects.requireNonNull(name, "'name' must not be null"); | ||
| if (name.isBlank()) { | ||
| throw new IllegalArgumentException("'name' must not be empty"); | ||
| } | ||
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| StringBuilder classNameBuilder = new StringBuilder(name.length()); | ||
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| for (int i = 0; i < name.length(); i++) { | ||
| char c = name.charAt(i); | ||
| if (c == '-') { | ||
| continue; | ||
| } | ||
| if (i == 0 || name.charAt(i - 1) == '-') { | ||
| classNameBuilder.append(Character.toUpperCase(c)); | ||
| } else { | ||
| classNameBuilder.append(c); | ||
| } | ||
| } | ||
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| return classNameBuilder.toString(); | ||
| } | ||
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| /** | ||
| * Generates a class identifier for {@link io.quarkiverse.flow.Flow} subclasses. | ||
| * | ||
| * @param namespace Document's namespace from specification | ||
| * @param name Document's name from specification | ||
| * @param namespaceFromConfig Base namespace for generating class identifiers | ||
| * @return the generated class identifier | ||
| */ | ||
| static String generateFlowClassIdentifier(String namespace, String name, Optional<String> namespaceFromConfig) { | ||
| return namespaceFromConfig.map(s -> String.format("%s.%s.%s", s, namespaceToPackage(namespace), nameToClassName(name))) | ||
| .orElseGet(() -> namespaceToPackage(namespace) + "." + nameToClassName(name)); | ||
| } | ||
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| } |
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