AllNZipsUnderDirEntry.java

/*
 * Copyright 2000-2012 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.napile.idea.thermit.config.impl;

import java.io.File;
import java.io.FileFilter;
import java.util.List;

import javax.swing.JComponent;

import org.jdom.Element;
import org.jetbrains.annotations.NonNls;
import com.intellij.icons.AllIcons;
import com.intellij.openapi.fileChooser.FileChooserDescriptorFactory;
import com.intellij.openapi.roots.ui.CellAppearanceEx;
import com.intellij.openapi.roots.ui.FileAppearanceService;
import com.intellij.openapi.roots.ui.ModifiableCellAppearanceEx;
import com.intellij.openapi.util.WriteExternalException;
import com.intellij.openapi.vfs.LocalFileSystem;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.openapi.vfs.VirtualFileManager;
import com.intellij.util.Function;
import com.intellij.util.containers.ContainerUtil;

public class AllNZipsUnderDirEntry implements AntClasspathEntry
{
	@NonNls
	private static final String JAR_SUFFIX = ".nzip";

	private static final Function<VirtualFile, AntClasspathEntry> CREATE_FROM_VIRTUAL_FILE = new Function<VirtualFile, AntClasspathEntry>()
	{
		public AntClasspathEntry fun(VirtualFile file)
		{
			return fromVirtualFile(file);
		}
	};

	@NonNls
	static final String DIR = "dir";

	private final File myDir;

	public AllNZipsUnderDirEntry(final File dir)
	{
		myDir = dir;
	}

	public AllNZipsUnderDirEntry(final String osPath)
	{
		this(new File(osPath));
	}

	public void writeExternal(final Element dataElement) throws WriteExternalException
	{
		String url = VirtualFileManager.constructUrl(LocalFileSystem.PROTOCOL, myDir.getAbsolutePath().replace(File.separatorChar, '/'));
		dataElement.setAttribute(DIR, url);
	}

	public void addFilesTo(final List<File> files)
	{
		File[] children = myDir.listFiles(new FileFilter()
		{
			public boolean accept(File pathName)
			{
				return pathName.getName().endsWith(JAR_SUFFIX) && pathName.isFile();
			}
		});
		if(children != null)
			ContainerUtil.addAll(files, children);
	}

	public CellAppearanceEx getAppearance()
	{
		CellAppearanceEx appearance = FileAppearanceService.getInstance().forIoFile(myDir);
		if(appearance instanceof ModifiableCellAppearanceEx)
		{
			((ModifiableCellAppearanceEx) appearance).setIcon(AllIcons.Nodes.JarDirectory);
		}
		return appearance;
	}

	private static AntClasspathEntry fromVirtualFile(final VirtualFile file)
	{
		return new AllNZipsUnderDirEntry(file.getPath());
	}

	@SuppressWarnings("ClassNameSameAsAncestorName")
	public static class AddEntriesFactory extends AntClasspathEntry.AddEntriesFactory
	{
		public AddEntriesFactory(final JComponent parentComponent)
		{
			super(parentComponent, FileChooserDescriptorFactory.createMultipleFoldersDescriptor(), CREATE_FROM_VIRTUAL_FILE);
		}
	}
}