Ptidej-v5.2-master/PADL Creator JavaFile (Eclipse) Tests/data/argouml/trunk/src_new/org/argouml/uml/generator/GeneratorHelper.java
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package org.argouml.uml.generator;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

import javax.swing.Icon;

/**
 * Provides some utility methods for code generation.
 *
 * @author Daniele Tamino
 */
public final class GeneratorHelper {
    /**
     * The constructor.
     */
    private GeneratorHelper() {
    }

    /**
     * Generate code for one or more elements in a given language.
     * @param lang The language to use.
     * @param elements The elements to generate code for.
     * @param deps Whether to generate dependency too.
     * @return A collection of SourceUnit objects. The collection may be empty
     * if no file is generated.
     */
    public static Collection generate(
            Language lang, Collection elements, boolean deps) {
        CodeGenerator gen =
            GeneratorManager.getInstance().getGenerator(lang);
        if (gen != null) {
            return gen.generate(elements, deps);
        }
        return new ArrayList(); // empty list
    }

    /**
     * Generate code for a single element.
     * @param lang The language to use.
     * @param elem The element to generate code for.
     * @param deps Whether to generate dependency too.
     * @return A collection of SourceUnit objects. The collection may be empty
     * if no file is generated.
     */
    public static Collection generate(
            Language lang, Object elem, boolean deps) {
        List list = new ArrayList();
        list.add(elem);
        return generate(lang, list, deps);
    }

    /**
     * Creates a new Language only if one with the same name doesn't already
     * exist in GeneratorManager, in which case that one is returned.
     * @param theName The name of the language.
     * @param theTitle A string representing the language for display.
     * @param theIcon An icon for the language.
     * @return The Language object found or created.
     */
    public static Language makeLanguage(String theName, String theTitle,
            Icon theIcon) {
        Language lang;
        lang = GeneratorManager.getInstance().findLanguage(theName);
        if (lang == null) {
            lang = new Language(theName, theTitle, theIcon);
        }
        return lang;
    }

    /**
     * Creates a language with no icon.
     * @see #makeLanguage(String, String, Icon)
     * @param theName The name of the language.
     * @param theTitle A string representing the language for display.
     * @return The Language object found or created.
     */
    public static Language makeLanguage(String theName, String theTitle) {
        return makeLanguage(theName, theTitle, null);
    }

    /**
     * Creates a language with title equal to the name.
     * @see #makeLanguage(String, String, Icon)
     * @param theName The name of the language.
     * @param theIcon An icon for the language.
     * @return The Language object found or created.
     */
    public static Language makeLanguage(String theName, Icon theIcon) {
        return makeLanguage(theName, theName, theIcon);
    }

    /**
     * Creates a language with title equal to the name and no icon.
     * @see #makeLanguage(String, String, Icon)
     * @param theName The name of the language.
     * @return The Language object found or created.
     */
    public static Language makeLanguage(String theName) {
        return makeLanguage(theName, theName, null);
    }

}
