/**
* Generate imports.
*
* @param builder
*/
public static void generateImports(StringBuilder builder) {
builder.append("import com.google.inject.Inject;\n");
builder.append("import com.google.inject.Provider;\n");
builder.append("import com.google.inject.Singleton;\n");
builder.append("import java.util.HashMap;\n");
builder.append("import java.util.Map;\n");
}
/**
* Generate to source of the class.
*
* @param rootFolder
*/
public static void generateExtensionManager(File rootFolder) throws IOException {
File outFile = new File(rootFolder, REGISTRY_PATH);
StringBuilder builder = new StringBuilder();
builder.append("package " + "org.eclipse.che.ide.client;\n\n");
generateImports(builder);
generateClass(builder);
// flush content
FileUtils.writeStringToFile(outFile, builder.toString());
}
/**
* Generate class declarations.
*
* @param builder
*/
public static void generateClass(StringBuilder builder) {
// generate class header
builder.append("/**\n");
builder.append(
" * THIS CLASS WILL BE OVERRIDDEN BY MAVEN BUILD. DON'T EDIT CLASS, IT WILL HAVE NO EFFECT.\n");
builder.append(" */\n");
builder.append("@Singleton\n");
builder.append("@SuppressWarnings(\"rawtypes\")\n");
builder.append("public class DtoFactoryVisitorRegistry\n");
builder.append("{\n");
builder.append("\n");
// field
builder.append(
GeneratorUtils.TAB
+ "/** Contains the map will all the DtoFactoryVisitor Providers <FullClassFQN, Provider>. */\n");
builder.append(
GeneratorUtils.TAB
+ "protected final Map<String, Provider> providers = new HashMap<>();\n\n");
// generate constructor
builder.append(
GeneratorUtils.TAB
+ "/** Constructor that accepts all found DtoFactoryVisitor Providers. */\n");
builder.append(GeneratorUtils.TAB + "@Inject\n");
builder.append(GeneratorUtils.TAB + "public DtoFactoryVisitorRegistry(\n");
// paste args here
Iterator<Entry<String, String>> entryIterator = dtoFactoryVisitors.entrySet().iterator();
while (entryIterator.hasNext()) {
// <FullFQN, ClassName>
Entry<String, String> entry = entryIterator.next();
String hasComma = entryIterator.hasNext() ? "," : "";
// add constructor argument like:
// fullFQN classNameToLowerCase,
String classFQN = String.format("Provider<%s>", entry.getKey());
String variableName = entry.getValue().toLowerCase();
builder.append(GeneratorUtils.TAB2 + classFQN + " " + variableName + hasComma + "\n");
}
builder.append(GeneratorUtils.TAB + ")\n");
builder.append(GeneratorUtils.TAB + "{\n");
// paste add here
for (Entry<String, String> entries : dtoFactoryVisitors.entrySet()) {
String fullFqn = entries.getKey();
String variableName = entries.getValue().toLowerCase();
String putStatement =
String.format("this.providers.put(\"%s\", %s);%n", fullFqn, variableName);
builder.append(GeneratorUtils.TAB2 + putStatement);
}
// close constructor
builder.append(GeneratorUtils.TAB + "}\n\n");
// generate getter
builder.append(
GeneratorUtils.TAB
+ "/** Returns the map will all the DtoFactoryVisitor Providers <FullClassFQN, Provider>. */\n");
builder.append(GeneratorUtils.TAB + "public Map<String, Provider> getDtoFactoryVisitors()\n");
builder.append(GeneratorUtils.TAB + "{\n");
builder.append(GeneratorUtils.TAB2 + "return providers;\n");
builder.append(GeneratorUtils.TAB + "}\n");
// close class
builder.append("}\n");
}