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Implement a simple NpmManager (#2028)
* Add npm packager manager classes * Rename .java to .kt * Remove GsonDependency, remove rednundant classes * Import downloaded ig * Import downloaded ig * Add SimplePackageCacheManager * Remove npmpackage from npmpackagemanager * Add npm manager * Implement NpmManager * Rollback version updates * Address review suggestion: - Rename ImplementationGuide.kt to Dependency.kt - Drop the NpmPackageManager.kt * Spottless apply * Fix tests * Use current module in workflow library * Run spotless apply * Remove print statement * Use kotlin stream functions * Remove dead code * Remove dead code * Move FhirOperatorBuilder into FhirOperator.kt file * Address comments and renaming --------- Co-authored-by: Jing Tang <[email protected]>
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27 changes: 27 additions & 0 deletions
27
knowledge/src/main/java/com/google/android/fhir/knowledge/FhirNpmPackage.kt
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| /* | ||
| * Copyright 2023 Google LLC | ||
| * | ||
| * 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 com.google.android.fhir.knowledge | ||
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| /** | ||
| * A FHIR NPM Package as defined by the FHIR specification. | ||
| * | ||
| * See https://hl7.org/fhir/packages.html for the published FHIR NPM Packages specification. | ||
| * | ||
| * See https://confluence.hl7.org/display/FHIR/NPM+Package+Specification for more info under the | ||
| * management of FHIR Infrastructure. | ||
| */ | ||
| data class FhirNpmPackage(val name: String, val version: String, val canonical: String? = null) |
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74 changes: 74 additions & 0 deletions
74
knowledge/src/main/java/com/google/android/fhir/knowledge/npm/NpmFileManager.kt
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| /* | ||
| * Copyright 2023 Google LLC | ||
| * | ||
| * 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 com.google.android.fhir.knowledge.npm | ||
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| import com.google.android.fhir.knowledge.FhirNpmPackage | ||
| import java.io.File | ||
| import kotlinx.coroutines.Dispatchers | ||
| import kotlinx.coroutines.withContext | ||
| import org.json.JSONObject | ||
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| /** Manages stored NPM packages. */ | ||
| internal class NpmFileManager(private val cacheRoot: File) { | ||
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| /** | ||
| * Returns the NpmPackage for the given [packageId] and [version] from cache or `null` if the | ||
| * package is not cached. | ||
| */ | ||
| suspend fun getPackage(packageId: String, version: String): LocalFhirNpmPackageMetadata { | ||
| return withContext(Dispatchers.IO) { | ||
| val packageFolder = File(getPackageFolder(packageId, version), "package") | ||
| readNpmPackage(packageFolder) | ||
| } | ||
| } | ||
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| /** | ||
| * Returns the NpmPackage for the given [packageId] and [version] from cache or `null` if the | ||
| * package is not cached. | ||
| */ | ||
| suspend fun containsPackage(packageId: String, version: String): Boolean { | ||
| return withContext(Dispatchers.IO) { | ||
| val packageFolder = File(getPackageFolder(packageId, version), "package") | ||
| val packageJson = File(packageFolder, "package.json") | ||
| packageJson.exists() | ||
| } | ||
| } | ||
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| /** Returns the package folder for the given [packageId] and [version]. */ | ||
| fun getPackageFolder(packageId: String, version: String) = File(cacheRoot, "$packageId#$version") | ||
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| /** Creates an [LocalFhirNpmPackageMetadata] parsing the package manifest file. */ | ||
| private fun readNpmPackage(packageFolder: File): LocalFhirNpmPackageMetadata { | ||
| val packageJson = File(packageFolder, "package.json") | ||
| val json = JSONObject(packageJson.readText()) | ||
| with(json) { | ||
| val dependenciesList = optJSONObject("dependencies") | ||
| val dependencies = | ||
| dependenciesList?.keys()?.asSequence()?.map { key -> | ||
| FhirNpmPackage(key, dependenciesList.getString(key)) | ||
| } | ||
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| return LocalFhirNpmPackageMetadata( | ||
| getString("name"), | ||
| getString("version"), | ||
| optString("canonical"), | ||
| dependencies?.toList() ?: emptyList(), | ||
| packageFolder, | ||
| ) | ||
| } | ||
| } | ||
| } |
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