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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.config.codegen;
import java.io.File;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.StringTokenizer;
import java.util.stream.Collectors;
import java.util.stream.Stream;
/**
* Encapsulates data extracted from system properties.
*
* @author gjoranv
*/
@SuppressWarnings("WeakerAccess") // Used by ConfigGenMojo
public class MakeConfigProperties {
private static final List<String> legalLanguages = List.of("java", "cpp" );
final File destDir;
final List<File> specFiles;
final String language;
final String dirInRoot; // Where within fileroot to store generated class files
final String javaPackagePrefix;
final boolean dumpTree;
final boolean generateFrameworkCode;
MakeConfigProperties() throws PropertyException {
this(System.getProperty("config.dest"),
System.getProperty("config.spec"),
System.getProperty("config.lang"),
System.getProperty("config.subdir"),
System.getProperty("config.dumpTree"),
System.getProperty("config.useFramework"),
System.getProperty("config.packagePrefix"));
}
@SuppressWarnings("WeakerAccess") // Used by ConfigGenMojo
public MakeConfigProperties(String destDir,
String specFiles,
String language,
String dirInRoot,
String dumpTree,
String generateFrameworkCode,
String javaPackagePrefix) throws PropertyException {
this.destDir = checkDestinationDir(destDir);
this.specFiles = checkSpecificationFiles(specFiles);
this.language = checkLanguage(language);
this.dirInRoot = checkDirInRoot(this.destDir, dirInRoot);
this.dumpTree = Boolean.parseBoolean(dumpTree);
this.generateFrameworkCode = Boolean.parseBoolean(generateFrameworkCode);
this.javaPackagePrefix = javaPackagePrefix;
}
private static File checkDestinationDir(String destination) throws PropertyException {
if (destination == null)
throw new PropertyException("Missing property: config.dest.");
File dir = new File(destination);
if (!dir.isDirectory()) {
throw new PropertyException("Could not find directory: " + dir.getPath());
}
return dir;
}
private static String checkDirInRoot(File destDir, String dirInRoot) throws PropertyException {
// Optional parameter
if (dirInRoot == null) { return null; }
File f = new File(destDir, dirInRoot);
if (!f.isDirectory()) {
throw new PropertyException("Could not find directory: " + f.getPath());
}
return dirInRoot;
}
private static String checkLanguage(String lang) throws PropertyException {
String inputLang = lang != null ? lang.toLowerCase() : "java";
if (! legalLanguages.contains(inputLang)) {
throw new PropertyException
("Unsupported code language: '" + inputLang + "'. Supported languages are: " + legalLanguages);
}
return inputLang;
}
private static List<File> checkSpecificationFiles(String spec) throws PropertyException {
if (spec == null || spec.isEmpty())
throw new PropertyException("Missing property: config.spec");
var files = new ArrayList<File>();
for (String token : spec.split(",", -1)) {
File file = new File(token);
if (!file.isFile()) {
throw new PropertyException("Could not read file " + file);
}
files.add(file);
}
return files;
}
}
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