package org.apache.maven.repository;

/* ====================================================================
 *   Copyright 2001-2004 The Apache Software Foundation.
 *
 *   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.
 * ====================================================================
 */

import org.apache.maven.project.Dependency;
import org.apache.maven.project.DependencyWrapper;

/**
 * NativeArtifact represents a native/jni library artifact.  
 * 
 * @author Daniel Marchant <dan@driedtoast.com>
 * @version 1.0 6:43:32 AM
 *
 */
public class NativeArtifact extends GenericArtifact {

	private static String os = null;
	private Dependency depend; 
	
	/**
	 * @param dependency
	 */
	public NativeArtifact(Dependency dependency) {
		super(dependency);
		
		depend = new NativeDependency(getDependency());
		
		if(os != null) return;
		String tempOs = System.getProperty("os.name");
		if(tempOs.indexOf("indo") >-1) {
			os = "win";
		} else if(tempOs.indexOf("olari") >-1) {
			os = "solaris";
		} else if(tempOs.indexOf("inux") >-1) {
			os = "linux";
		} else if(tempOs.indexOf("HP") >-1) {
			os = "hp-ux";
		} else {
			os = tempOs.toLowerCase();
		}
		
	}

	
	
    /** @see Artifact#generatePath */
    public String generatePath()
    {
        return fs + getDependency().getArtifactDirectory()
             + fs + getDependency().getType() + "s"
             + fs + os
			 + fs + getDependency().getVersion()			 
             + fs + getDependency().getArtifact();
    }

    /** @see Artifact#getUrlPath */
    public String getUrlPath()
    {
        return "/" + getDependency().getArtifactDirectory()
             + "/" + getDependency().getType() + "s"
             + "/" + os
			 + "/" + getDependency().getVersion()			 
             + "/" + getDependency().getArtifact();
    }
	
	
	 /**
	  * NativeDependency overrides methods in the dependencywrapper 
	  * to support a native dependency.
	  *    
	  * @author Daniel Marchant <dan@driedtoast.com>
	  * @version 1.0 7:40:15 AM
	  *
	  */
	 public class NativeDependency extends DependencyWrapper {

		/**
		 * @param dependencyIn
		 */
		public NativeDependency(Dependency dependencyIn) {
			super(dependencyIn);
		}
		
		public String getArtifact()
		 {
		        if ( dependency.getJar() != null)
		        {
		            return dependency.getJar();
		        }
		        return "lib" + getArtifactId() + "." + getExtension();
		 }
		
		 /**
		  * Return the extension based on the machine that the project is being built.
		  * 
		  * @return extension
		  */
		 public String getExtension() {
		 	return (os.equals("win"))? "dll" : "so";
		 }
	 }
	 
	 

}