{
+ final JsonReaderFactory jsonReaderFactory = Json.createReaderFactory(null);
+ final JsonWriterFactory jsonWriterFactory = Json.createWriterFactory(null);
+ final Path resourcesDir;
+ final Path outputDir;
+
+ int count = 0;
+
+ public CondenseAndCopyFileVisitor(Path resourcesDir, Path outputDirectory) {
+ this.resourcesDir = resourcesDir;
+ this.outputDir = outputDirectory;
+ }
+
+ @Override
+ public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
+ if (file.toString().endsWith(".json")) {
+ String relativePath = resourcesDir.relativize(file).toString();
+ Path target = Paths.get(outputDir.toString(), relativePath);
+
+ JsonObject jsonObject = null;
+ try (BufferedReader reader = Files.newBufferedReader(file)) {
+ JsonReader jsonReader = jsonReaderFactory.createReader(reader);
+ jsonObject = jsonReader.readObject();
+ }
+ try (BufferedWriter writer = Files.newBufferedWriter(target)) {
+ JsonWriter jsonWriter = jsonWriterFactory.createWriter(writer);
+ jsonWriter.write(jsonObject);
+ }
+ count++;
+ }
+ return FileVisitResult.CONTINUE;
+ }
+
+ /**
+ * @return the number of processed files
+ */
+ public int getCount() {
+ return count;
+ }
+}
diff --git a/fhir-tools/src/main/java/com/ibm/fhir/condense/plugin/CondenserPlugin.java b/fhir-tools/src/main/java/com/ibm/fhir/condense/plugin/CondenserPlugin.java
new file mode 100644
index 00000000000..1ba0d931f83
--- /dev/null
+++ b/fhir-tools/src/main/java/com/ibm/fhir/condense/plugin/CondenserPlugin.java
@@ -0,0 +1,73 @@
+/*
+ * (C) Copyright IBM Corp. 2019, 2021
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package com.ibm.fhir.condense.plugin;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.List;
+
+import org.apache.maven.model.Resource;
+import org.apache.maven.plugin.AbstractMojo;
+import org.apache.maven.plugin.MojoExecutionException;
+import org.apache.maven.plugin.MojoFailureException;
+import org.apache.maven.plugins.annotations.Execute;
+import org.apache.maven.plugins.annotations.LifecyclePhase;
+import org.apache.maven.plugins.annotations.Mojo;
+import org.apache.maven.plugins.annotations.Parameter;
+import org.apache.maven.plugins.annotations.ResolutionScope;
+
+/**
+ * This class coordinates the calls to the fhir-tool plugin
+ *
+ * The phase is process-resources. To find a list of phases -
+ * https://maven.apache.org/guides/introduction/introduction-to-the-lifecycle.html#Lifecycle_Reference
+ *
+ * Run the following to setup the plugin:
+ *
+ * mvn clean install -f fhir-tools/pom.xml
+ *
+ *
+ * @requiresDependencyResolution runtime
+ */
+@Mojo(name = "condense-json", //$NON-NLS-1$
+ requiresProject = true,
+ requiresDependencyResolution = ResolutionScope.RUNTIME_PLUS_SYSTEM,
+ requiresDependencyCollection = ResolutionScope.RUNTIME_PLUS_SYSTEM,
+ defaultPhase = LifecyclePhase.PROCESS_RESOURCES,
+ requiresOnline = false,
+ threadSafe = false)
+@Execute(phase = LifecyclePhase.PROCESS_RESOURCES)
+public class CondenserPlugin extends AbstractMojo {
+
+ @Parameter( defaultValue = "${project.build.outputDirectory}", required = true )
+ private File outputDirectory;
+
+ @Parameter( defaultValue = "${project.resources}", required = true, readonly = true )
+ private List resources;
+
+ @Override
+ public void execute() throws MojoExecutionException, MojoFailureException {
+ for (Resource resource : resources) {
+ try {
+ Path resourcesDir = Paths.get(resource.getDirectory());
+ if (Files.isDirectory(resourcesDir)) {
+ CondenseAndCopyFileVisitor visitor = new CondenseAndCopyFileVisitor(resourcesDir, outputDirectory.toPath());
+ Files.walkFileTree(resourcesDir, visitor);
+
+ getLog().info("processed " + visitor.getCount() + " JSON files");
+ } else {
+ getLog().info("skipping non-directory " + resourcesDir);
+ }
+ } catch (IOException e) {
+ throw new MojoExecutionException("Error while condensing and copying resources", e);
+ }
+ }
+ }
+}
diff --git a/fhir-tools/src/main/java/com/ibm/fhir/model/plugin/ModelPlugin.java b/fhir-tools/src/main/java/com/ibm/fhir/model/plugin/ModelPlugin.java
index ab356a1f662..2b7b78491ac 100644
--- a/fhir-tools/src/main/java/com/ibm/fhir/model/plugin/ModelPlugin.java
+++ b/fhir-tools/src/main/java/com/ibm/fhir/model/plugin/ModelPlugin.java
@@ -1,5 +1,5 @@
/*
- * (C) Copyright IBM Corp. 2019, 2020
+ * (C) Copyright IBM Corp. 2019, 2021
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -26,7 +26,7 @@
/**
* This class coordinates the calls to the fhir-tool plugin
*
- * The phase is initialize. To find a list of phases -
+ * The phase is generate-sources. To find a list of phases -
* https://maven.apache.org/guides/introduction/introduction-to-the-lifecycle.html#Lifecycle_Reference
*
* Run the following to setup the plugin: