/*
 *                 Sun Public License Notice
 * 
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 * 
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2003 Sun
 * Microsystems, Inc. All Rights Reserved.
 */

package org.netbeans.core.modules;

//import junit.framework.TestCase;
import org.netbeans.junit.NbTestCase;
import java.io.*;
import java.util.*;
import java.beans.*;
import java.net.URL;
import java.util.jar.Manifest;
import org.openide.filesystems.*;
import org.openide.filesystems.FileSystem; // override java.io.FileSystem
import org.netbeans.core.NbTopManager;

/** Some infrastructure for module system tests.
 * @author Jesse Glick
 */
abstract class SetupHid extends NbTestCase {
    
    public SetupHid(String name) {
        super(name);
    }
    
    /** directory full of JAR files to test */
    protected File jars;
    
    protected void setUp() throws Exception {
        java.util.Locale.setDefault (java.util.Locale.US);
        jars = new File(ModuleManagerTest.class.getResource("jars").getFile());
    }
    
    protected static void deleteRec(File f) throws IOException {
        if (f.isDirectory()) {
            File[] kids = f.listFiles();
            if (kids == null) throw new IOException("Could not list: " + f);
            for (int i = 0; i < kids.length; i++) {
                deleteRec(kids[i]);
            }
        }
        if (! f.delete()) throw new IOException("Could not delete: " + f);
    }
    
    protected static void copyStreams(InputStream is, OutputStream os) throws IOException {
        byte[] buf = new byte[4096];
        try {
            int i;
            while ((i = is.read(buf)) != -1) {
                os.write(buf, 0, i);
            }
        } finally {
            is.close();
        }
    }
    
    protected static void copy(File a, File b) throws IOException {
        OutputStream os = new FileOutputStream(b);
        try {
            copyStreams(new FileInputStream(a), os);
        } finally {
            os.close();
        }
    }
    
    protected static void copy(File a, FileObject b) throws IOException {
        FileLock lock = b.lock();
        try {
            OutputStream os = b.getOutputStream(lock);
            try {
                copyStreams(new FileInputStream(a), os);
            } finally {
                os.close();
            }
        } finally {
            lock.releaseLock();
        }
    }
    
    protected static String slurp(String path) throws IOException {
        NbTopManager.get(); // #26451
        FileObject fo = Repository.getDefault().getDefaultFileSystem().findResource(path);
        if (fo == null) return null;
        InputStream is = fo.getInputStream();
        StringBuffer text = new StringBuffer((int)fo.getSize());
        byte[] buf = new byte[1024];
        int read;
        while ((read = is.read(buf)) != -1) {
            text.append(new String(buf, 0, read, "US-ASCII"));
        }
        return text.toString();
    }
    
    protected void addOpenide(ModuleManager mgr) throws Exception {
        ClassLoader l = SetupHid.class.getClassLoader();
        Enumeration e = l.getResources("META-INF/MANIFEST.MF");
        Manifest mani = null;
        while (e.hasMoreElements()) {
            URL u = (URL)e.nextElement();
            Manifest m = new Manifest(u.openStream());
            if ("org.openide/1".equals(m.getMainAttributes().getValue("OpenIDE-Module"))) {
                mani = m;
                break;
            }
        }
        if (mani == null) throw new IllegalStateException("openide.jar not in classpath?");
        mgr.enable(mgr.createFixed(mani, null, l));
    }
    
    protected static class FakeModuleInstaller extends ModuleInstaller {
        // For examining results of what happened:
        public final List actions = new ArrayList(); // List
        public final List args = new ArrayList(); // List