/*
 * Copyright (c) 2008, intarsys consulting GmbH
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 *
 * - 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.
 *
 * - Neither the name of intarsys 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 FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
package de.intarsys.nativec.jna;

import java.util.Iterator;

import com.sun.jna.Function;
import com.sun.jna.NativeLibrary;
import com.sun.jna.Pointer;

import de.intarsys.nativec.api.INativeFunction;
import de.intarsys.nativec.api.INativeHandle;
import de.intarsys.nativec.api.INativeLibrary;

public class JnaNativeLibrary implements INativeLibrary {

	final private NativeLibrary library;

	final private JnaNativeInterface nativeInterface;

	public JnaNativeLibrary(JnaNativeInterface nativeInterface, String name) {
		this.nativeInterface = nativeInterface;
		// this is a kludge - but i can't ask for the searchpaths already
		// registered
		for (Iterator<String> it = nativeInterface.getSearchPaths().iterator(); it
				.hasNext();) {
			String path = it.next();
			NativeLibrary.addSearchPath(name, path);
		}
		library = NativeLibrary.getInstance(name);
	}

	public INativeFunction getFunction(String name) {
		Function function = getLibrary().getFunction(name);
		return new JnaNativeFunction(function);
	}

	public INativeHandle getGlobal(String symbolName) {
		Pointer pointer = getLibrary().getGlobalVariableAddress(symbolName);
		return new JnaNativeHandle(pointer);
	}

	protected NativeLibrary getLibrary() {
		return library;
	}

	protected JnaNativeInterface getNativeInterface() {
		return nativeInterface;
	}

}