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 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
 * 
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * The contents of this file are subject to the terms of either the Universal Permissive License
 * v 1.0 as shown at http://oss.oracle.com/licenses/upl
 *
 * or the following license:
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted
 * provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice, this list of conditions
 * and the following disclaimer.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of
 * conditions and the following disclaimer in the documentation and/or other materials provided with
 * the distribution.
 * 
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used to
 * endorse or promote products derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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 */
package org.openjdk.jmc.rcp.application;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;

import org.eclipse.core.runtime.IProgressMonitor;

import org.openjdk.jmc.common.io.IOToolkit;
import org.openjdk.jmc.ui.common.CorePlugin;
import org.openjdk.jmc.ui.common.resource.MCFile;

class BasicFile implements MCFile {

	private final String path;

	BasicFile(String file) {
		this.path = file;
	}

	@Override
	public String toString() {
		return path;
	}

	@Override
	public void writeStream(InputStream stream, IProgressMonitor monitor, boolean append) throws IOException {
		File f = makeAbsolute(path);
		write(stream, f, append);
	}

	@Override
	public boolean tryWriteStream(InputStream stream, IProgressMonitor monitor) throws IOException {
		File f = makeAbsolute(path);
		if (f.exists()) {
			return false;
		}
		write(stream, f, false);
		return true;
	}

	private static void write(InputStream in, File toOutput, boolean append) throws IOException {
		File parent = toOutput.getParentFile();
		if (parent.isDirectory() || parent.mkdirs()) {
			IOToolkit.write(in, toOutput, append);
		} else {
			throw new IOException();
		}
	}

	@Override
	public String getPath() {
		return path;
	}

	public static File makeAbsolute(String path) {
		File f = new File(path);
		if (f.isAbsolute()) {
			return f;
		}
		return new File(CorePlugin.getDefault().getWorkspaceDirectory(), path);
	}

}
