1 files changed, 68 insertions, 0 deletions
diff --git a/application-preprocessor/src/main/java/com/yahoo/application/preprocessor/ApplicationPreprocessor.java b/application-preprocessor/src/main/java/com/yahoo/application/preprocessor/ApplicationPreprocessor.java
new file mode 100644
index 00000000000..1762a4b9884
--- /dev/null
+++ b/application-preprocessor/src/main/java/com/yahoo/application/preprocessor/ApplicationPreprocessor.java
@@ -0,0 +1,68 @@
+// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.application.preprocessor;
+
+import com.yahoo.config.application.api.ApplicationPackage;
+import com.yahoo.config.application.api.DeployLogger;
+import com.yahoo.config.model.application.provider.BaseDeployLogger;
+import com.yahoo.config.model.application.provider.FilesApplicationPackage;
+import com.yahoo.config.provision.*;
+import com.yahoo.yolean.Exceptions;
+import org.xml.sax.SAXException;
+
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.transform.TransformerException;
+import java.io.File;
+import java.io.IOException;
+import java.util.Optional;
+
+/**
+ * Main entry for preprocessing an application package.
+ *
+ * @author lulf
+ * @since 5.25
+ */
+public class ApplicationPreprocessor {
+    private final File applicationDir;
+    private final Optional<File> outputDir;
+    private final Optional<Environment> environment;
+    private final Optional<RegionName> region;
+
+    public ApplicationPreprocessor(File applicationDir, Optional<File> outputDir, Optional<Environment> environment, Optional<RegionName> region) {
+        this.applicationDir = applicationDir;
+        this.outputDir = outputDir;
+        this.environment = environment;
+        this.region = region;
+    }
+
+    public void run() throws IOException, TransformerException, ParserConfigurationException, SAXException {
+        DeployLogger logger = new BaseDeployLogger();
+        FilesApplicationPackage.Builder applicationPackageBuilder = new FilesApplicationPackage.Builder(applicationDir);
+        outputDir.ifPresent(applicationPackageBuilder::preprocessedDir);
+        ApplicationPackage preprocessed = applicationPackageBuilder.build().preprocess(
+                new Zone(environment.orElse(Environment.defaultEnvironment()), region.orElse(RegionName.defaultName())),
+                (a, b) -> {
+                }, logger);
+        preprocessed.validateXML(logger);
+    }
+
+
+    public static void main(String args[]) {
+        int argCount = args.length;
+        if (argCount < 1) {
+            System.out.println("Usage: application-preprocessor <application> [environment] [region] [outputDirectory]");
+            System.exit(1);
+        }
+        File applicationDir = new File(args[0]);
+        Optional<Environment> environment = (argCount > 1) ? Optional.of(Environment.valueOf(args[1])) : Optional.empty();
+        Optional<RegionName> region = (argCount > 2) ? Optional.of(RegionName.from(args[2])) : Optional.empty();
+        Optional<File> outputDir = (argCount > 3) ? Optional.of(new File(args[3])) : Optional.empty();
+        ApplicationPreprocessor preprocessor = new ApplicationPreprocessor(applicationDir, outputDir, environment, region);
+        try {
+            preprocessor.run();
+            System.out.println("Application preprocessed successfully. Preprocessed application stored in " + new File(applicationDir, ".preprocessed").getAbsolutePath());
+        } catch (Exception e) {
+            System.err.println("Error validating application package: " + Exceptions.toMessageString(e));
+            System.exit(1);
+        }
+    }
+}