SinglePathEntry.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.util.List;

import javax.swing.JComponent;

import org.jdom.Element;
import org.jetbrains.annotations.NonNls;
import com.intellij.openapi.fileChooser.FileChooserDescriptor;
import com.intellij.openapi.roots.ui.CellAppearanceEx;
import com.intellij.openapi.roots.ui.FileAppearanceService;
import com.intellij.openapi.util.InvalidDataException;
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.PathUtil;

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

	@NonNls
	static final String PATH = "path";

	private File myFile;

	public SinglePathEntry(File file)
	{
		myFile = file;
	}

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

	public void readExternal(final Element element) throws InvalidDataException
	{
		String value = element.getAttributeValue(PATH);
		myFile = new File(PathUtil.toPresentableUrl(value));
	}

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

	public void addFilesTo(final List<File> files)
	{
		files.add(myFile);
	}

	public CellAppearanceEx getAppearance()
	{
		return FileAppearanceService.getInstance().forIoFile(myFile);
	}

	private static SinglePathEntry fromVirtualFile(VirtualFile file)
	{
		return new SinglePathEntry(file.getPresentableUrl());
	}

	@SuppressWarnings("ClassNameSameAsAncestorName")
	public static class AddEntriesFactory extends AntClasspathEntry.AddEntriesFactory
	{
		public AddEntriesFactory(final JComponent parentComponent)
		{
			super(parentComponent, new FileChooserDescriptor(false, true, true, true, false, true), CREATE_FROM_VIRTUAL_FILE);
		}
	}
}