/* Copyright (c) 2002-2011 by XMLVM.org
*
* Project Info: http://www.xmlvm.org
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*/
package org.xmlvm.proc.lib;
import java.io.File;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.xmlvm.Log;
import org.xmlvm.main.Arguments;
import org.xmlvm.util.universalfile.UniversalFile;
import org.xmlvm.util.universalfile.UniversalFileCreator;
/**
* This is a registry for all the accessible libraries. Libraries get registered
* here so processes can use them for their own purposes.
*/
public class Libraries
{
private static final String TAG= Libraries.class.getSimpleName();
private final static List<Library> libraries= new ArrayList<Library>();
private final Arguments arguments;
static
{
// Add all libraries here. First entry has highest priority.
libraries.add(new JaxpLibrary());
libraries.add(new JdkLibrary());
libraries.add(new CocoaJavaLibrary());
libraries.add(new IOSLibrary());
libraries.add(new XmlvmUtilLibrary());
libraries.add(new AndroidIPhoneLibrary());
libraries.add(new WP7Library());
libraries.add(new AndroidWP7Library());
libraries.add(new SDLLibrary());
libraries.add(new AndroidSDLLibrary());
}
/**
* Adds a new additional library to the top of the library stack.
*
* @param locationStr
* the location of the library. Can be a JAR/ZIP file or a
* directory.
* @return Whether the library was added successfully. Return false, the if
* the library could not be found.
*/
public static boolean addLibrary(String locationStr)
{
File location= new File(locationStr);
if (!location.exists())
{
Log.error(TAG, "Could not find additional library at: " + locationStr);
return false;
}
UniversalFile file= UniversalFileCreator.createDirectory(location.getAbsolutePath());
libraries.add(0, new AdditionalLibrary(file));
return true;
}
public Libraries(Arguments arguments)
{
this.arguments= arguments;
}
/**
* Returns the most recent lastModified date of all the libraries.
* <p>
* Note: The required the libraries to be loaded, to determine the
* last-modified timestamp.
*/
public long getLastModified()
{
long mostRecentLastModified= 0;
for (Library library : libraries)
{
if (library.isEnabled(arguments))
{
for (UniversalFile lib : library.getLibrary())
{
if (lib.getLastModified() > mostRecentLastModified)
{
mostRecentLastModified= lib.getLastModified();
}
}
}
}
return mostRecentLastModified;
}
/**
* Returns the libraries that can be loaded as they are needed.
*/
public List<UniversalFile> getLibraryFiles()
{
List<UniversalFile> result= new ArrayList<UniversalFile>();
for (Library library : libraries)
{
if (library.isEnabled(arguments) && !library.isMonolithic())
{
result.addAll(Arrays.asList(library.getLibrary()));
}
}
return result;
}
/**
* Required libraries that should be completely added to the input resources
* set.
*/
public List<UniversalFile> getMonolithicLibraryFiles()
{
List<UniversalFile> result= new ArrayList<UniversalFile>();
for (Library library : libraries)
{
if (library.isEnabled(arguments) && library.isMonolithic())
{
result.addAll(Arrays.asList(library.getLibrary()));
}
}
return result;
}
}