001/*
002 * JDrupes Builder
003 * Copyright (C) 2025 Michael N. Lipp
004 * 
005 * This program is free software: you can redistribute it and/or modify
006 * it under the terms of the GNU Affero General Public License as
007 * published by the Free Software Foundation, either version 3 of the
008 * License, or (at your option) any later version.
009 *
010 * This program is distributed in the hope that it will be useful,
011 * but WITHOUT ANY WARRANTY; without even the implied warranty of
012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
013 * GNU Affero General Public License for more details.
014 *
015 * You should have received a copy of the GNU Affero General Public License
016 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
017 */
018
019package org.jdrupes.builder.java;
020
021import java.lang.reflect.Proxy;
022import java.nio.file.Path;
023import org.jdrupes.builder.api.Project;
024import org.jdrupes.builder.api.Proxyable;
025import org.jdrupes.builder.api.ResourceType;
026import org.jdrupes.builder.core.DefaultFileTree;
027import org.jdrupes.builder.core.ForwardingHandler;
028
029/// The type ClassTree.
030///
031public class DefaultClassTree extends DefaultFileTree<ClassFile>
032        implements ClasspathElement {
033
034    /// Instantiates a new class tree.
035    ///
036    /// @param type the type
037    /// @param project the project
038    /// @param root the root
039    ///
040    protected DefaultClassTree(ResourceType<? extends ClassTree> type,
041            Project project, Path root) {
042        super(type, project, root, "**/*.class");
043    }
044
045    /// Creates the class tree.
046    ///
047    /// @param <T> the generic type
048    /// @param type the type
049    /// @param project the project
050    /// @param path the path
051    /// @return the t
052    ///
053    @SuppressWarnings({ "unchecked" })
054    public static <T extends ClassTree> T createClassTree(ResourceType<T> type,
055            Project project, Path path) {
056        return (T) Proxy.newProxyInstance(type.rawType().getClassLoader(),
057            new Class<?>[] { type.rawType(), Proxyable.class },
058            new ForwardingHandler(new DefaultClassTree(type, project, path)));
059    }
060
061    @Override
062    public Path toPath() {
063        return root();
064    }
065
066}