/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

 * 

 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.

 * 

 * The contents of this file are subject to the terms of either the GNU

 * General Public License Version 2 only ("GPL") or the Common

 * Development and Distribution License("CDDL") (collectively, the

 * "License"). You may not use this file except in compliance with the

 * License. You can obtain a copy of the License at

 * http://www.netbeans.org/cddl-gplv2.html

 * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the

 * specific language governing permissions and limitations under the

 * License.  When distributing the software, include this License Header

 * Notice in each file and include the License file at

 * nbbuild/licenses/CDDL-GPL-2-CP.  Sun designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Sun in the GPL Version 2 section of the License file that

 * accompanied this code. If applicable, add the following below the

 * License Header, with the fields enclosed by brackets [] replaced by

 * your own identifying information:

 * "Portions Copyrighted [year] [name of copyright owner]"

 * 

 * If you wish your version of this file to be governed by only the CDDL

 * or only the GPL Version 2, indicate your decision by adding

 * "[Contributor] elects to include this software in this distribution

 * under the [CDDL or GPL Version 2] license." If you do not indicate a

 * single choice of license, a recipient has the option to distribute

 * your version of this file under either the CDDL, the GPL Version 2 or

 * to extend the choice of license to its licensees as provided above.

 * However, if you add GPL Version 2 code and therefore, elected the GPL

 * Version 2 license, then the option applies only if the new code is

 * made subject to such option by the copyright holder.

 * 

 * Contributor(s):

 * 

 * Portions Copyrighted 2008 Sun Microsystems, Inc.

 */

package org.netbeans.modules.java.j2seproject;

import java.io.FileDescriptor;

import java.io.PrintWriter;

import java.io.StringWriter;

import java.security.Permission;

import junit.framework.Assert;

/**

 *

 * @author Jaroslav Tulach <jaroslav.tulach@netbeans.org>

 */

final class CountingSecurityManager extends SecurityManager {

    private static int cnt;

    private static StringWriter msgs;

    private static PrintWriter pw;

    private static String prefix;

    public static void initialize(String prefix) {

        if (System.getSecurityManager() instanceof CountingSecurityManager) {

            // ok

        } else {

            System.setSecurityManager(new CountingSecurityManager());

        }

        cnt = 0;

        msgs = new StringWriter();

        pw = new PrintWriter(msgs);

        CountingSecurityManager.prefix = prefix;

    }

    public static void assertCounts(String msg, int expectedCnt) {

        if (expectedCnt < cnt) {

            Assert.fail(msg + "\n" + msgs + " expected: " + expectedCnt + " real: " + cnt);

        }

        cnt = 0;

        msgs = new StringWriter();

        pw = new PrintWriter(msgs);

    }

    @Override

    public void checkRead(String file) {

        if (file.startsWith(prefix)) {

            cnt++;

            pw.println("checkRead: " + file);

    //        new Exception().printStackTrace(pw);

        }

    }

    @Override

    public void checkRead(String file, Object context) {

        if (file.startsWith(prefix)) {

            cnt++;

            pw.println("checkRead2: " + file);

        }

    }

    @Override

    public void checkWrite(FileDescriptor fd) {

        cnt++;

        pw.println("Fd: " + fd);

    }

    @Override

    public void checkWrite(String file) {

        if (file.startsWith(prefix)) {

            cnt++;

            pw.println("checkWrite: " + file);

        }

    }

    @Override

    public void checkPermission(Permission perm) {

    }

    @Override

    public void checkPermission(Permission perm, Object context) {

    }

}

/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

 *

 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.

 *

 * The contents of this file are subject to the terms of either the GNU

 * General Public License Version 2 only ("GPL") or the Common

 * Development and Distribution License("CDDL") (collectively, the

 * "License"). You may not use this file except in compliance with the

 * License. You can obtain a copy of the License at

 * http://www.netbeans.org/cddl-gplv2.html

 * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the

 * specific language governing permissions and limitations under the

 * License.  When distributing the software, include this License Header

 * Notice in each file and include the License file at

 * nbbuild/licenses/CDDL-GPL-2-CP.  Sun designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Sun in the GPL Version 2 section of the License file that

 * accompanied this code. If applicable, add the following below the

 * License Header, with the fields enclosed by brackets [] replaced by

 * your own identifying information:

 * "Portions Copyrighted [year] [name of copyright owner]"

 *

 * Contributor(s):

 *

 * The Original Software is NetBeans. The Initial Developer of the Original

 * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun

 * Microsystems, Inc. All Rights Reserved.

 *

 * If you wish your version of this file to be governed by only the CDDL

 * or only the GPL Version 2, indicate your decision by adding

 * "[Contributor] elects to include this software in this distribution

 * under the [CDDL or GPL Version 2] license." If you do not indicate a

 * single choice of license, a recipient has the option to distribute

 * your version of this file under either the CDDL, the GPL Version 2 or

 * to extend the choice of license to its licensees as provided above.

 * However, if you add GPL Version 2 code and therefore, elected the GPL

 * Version 2 license, then the option applies only if the new code is

 * made subject to such option by the copyright holder.

 */

package org.netbeans.modules.java.j2seproject;

import java.io.File;

import org.netbeans.api.project.FileOwnerQuery;

import org.netbeans.api.project.Project;

import org.netbeans.junit.MockServices;

import org.netbeans.junit.NbTestCase;

import org.netbeans.modules.java.j2seproject.ui.SourceNodeFactory;

import org.netbeans.spi.project.support.ant.AntProjectHelper;

import org.netbeans.spi.project.ui.LogicalViewProvider;

import org.netbeans.spi.project.ui.support.NodeList;

import org.openide.filesystems.FileObject;

import org.openide.filesystems.FileUtil;

import org.openide.modules.SpecificationVersion;

import org.openide.nodes.Node;

/**

 * Generates project, tries to open a package and counts number of accesses

 * to it.

 *

 * @author Jaroslav Tulach

 */

public class PackageViewTest extends NbTestCase {

    public PackageViewTest(String testName) {

        super(testName);

    }

    private static final String[] createFiles = {

        "build.xml",

        "nbproject/build-impl.xml",

        "nbproject/project.xml",

        "nbproject/project.properties",

        "src/",

        "src/net/sf/dvbcentral/Test.java",

        "src/net/sf/dvbcentral/Test1.java",

        "src/net/sf/dvbcentral/Test2.java",

        "src/net/sf/dvbcentral/Test3.java",

        "src/net/sf/dvbcentral/Test4.java",

        "test/",

    };

    public void testCreateProject() throws Exception {

        File proj = getWorkDir();

        clearWorkDir();

        J2SEProjectGenerator.setDefaultSourceLevel(new SpecificationVersion ("1.4"));   //NOI18N

        AntProjectHelper aph = J2SEProjectGenerator.createProject(proj, "test-project", null, "manifest.mf", null);

        J2SEProjectGenerator.setDefaultSourceLevel(null);

        assertNotNull(aph);

        FileObject fo = aph.getProjectDirectory();

        for (int i=0; i < createFiles.length; i++) {

            if (createFiles[i].endsWith("/")) {

                FileUtil.createFolder(fo, createFiles[i]);

            } else {

                FileUtil.createData(fo, createFiles[i]);

            }

            assertNotNull(createFiles[i]+" file/folder cannot be found", fo.getFileObject(createFiles[i]));

        }

        Project prj = FileOwnerQuery.getOwner(fo);

        CountingSecurityManager.initialize(FileUtil.toFile(fo).getAbsolutePath());

        SourceNodeFactory factory = new SourceNodeFactory();

        NodeList arr = factory.createNodes(prj);

        assertNotNull("Not null root node created", arr);

        assertEquals("Arr is now 2", 2, arr.keys().size());

        Node src = arr.node(arr.keys().get(0));

        Node pkg = assertNode(src, "net.sf.dvbcentral");

        assertNotNull("Package found");

        CountingSecurityManager.assertCounts("Just few checks", 1);

    } 

    private static Node assertNode(Node where, String what) {

        StringBuffer sb = new StringBuffer();

        for (Node n : where.getChildren().getNodes(true)) {

            if (n.getName().equals(what)) {

                return n;

            }

            sb.append("  n: " + n.getName() + "\n");

        }

        fail("Cannot find node " + what + " only " + where.getChildren().getNodesCount() + " is available:\n" + sb);

        return null;

    }

}

import org.openide.util.Lookup;

        PackagesProvider.Request request = new PackagesProvider.Request(fo, group);

        PackagesProvider.Response response = new PackagesProvider.Response(children, target);

        for (PackagesProvider p : Lookup.getDefault().lookupAll(PackagesProvider.class)) {

            p.compute(request, response);

            if (response.done) {

                return;

            }

        }

/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

 * 

 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.

 * 

 * The contents of this file are subject to the terms of either the GNU

 * General Public License Version 2 only ("GPL") or the Common

 * Development and Distribution License("CDDL") (collectively, the

 * "License"). You may not use this file except in compliance with the

 * License. You can obtain a copy of the License at

 * http://www.netbeans.org/cddl-gplv2.html

 * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the

 * specific language governing permissions and limitations under the

 * License.  When distributing the software, include this License Header

 * Notice in each file and include the License file at

 * nbbuild/licenses/CDDL-GPL-2-CP.  Sun designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Sun in the GPL Version 2 section of the License file that

 * accompanied this code. If applicable, add the following below the

 * License Header, with the fields enclosed by brackets [] replaced by

 * your own identifying information:

 * "Portions Copyrighted [year] [name of copyright owner]"

 * 

 * If you wish your version of this file to be governed by only the CDDL

 * or only the GPL Version 2, indicate your decision by adding

 * "[Contributor] elects to include this software in this distribution

 * under the [CDDL or GPL Version 2] license." If you do not indicate a

 * single choice of license, a recipient has the option to distribute

 * your version of this file under either the CDDL, the GPL Version 2 or

 * to extend the choice of license to its licensees as provided above.

 * However, if you add GPL Version 2 code and therefore, elected the GPL

 * Version 2 license, then the option applies only if the new code is

 * made subject to such option by the copyright holder.

 * 

 * Contributor(s):

 * 

 * Portions Copyrighted 2008 Sun Microsystems, Inc.

 */

package org.netbeans.spi.java.project.support.ui;

import java.util.Collection;

import org.netbeans.api.project.SourceGroup;

import org.netbeans.spi.java.project.support.ui.PackageView.PackageItem;

import org.openide.filesystems.FileObject;

/** An interface that can be registered into {@link org.openide.util.Lookup.getDefault()}

 * to provide pre-cached results for list of packages for given folder and source group.

 *

 * @author Jaroslav Tulach <jaroslav.tulach@netbeans.org>

 */

public interface PackagesProvider {

    public void compute(Request request, Response response);

    public static final class Request {

        final FileObject fo;

        final SourceGroup sourceGroup;

        Request(FileObject fo, SourceGroup sourceGroup) {

            this.fo = fo;

            this.sourceGroup = sourceGroup;

        }

        public FileObject getFolder() {

            return fo;

        }

        public SourceGroup getSourceGroup() {

            return sourceGroup;

        }

    }

    public static final class Response {

        private final Collection<PackageView.PackageItem> res;

        private final PackageViewChildren children;

        boolean done;

        Response(PackageViewChildren children, Collection<PackageItem> res) {

            this.res = res;

            this.children = children;

        }

        public void addPackage(SourceGroup group, FileObject packageFolder, boolean empty) {

            if (res != null) {

                res.add(new PackageItem(group, packageFolder, empty));

            } else {

                children.add(packageFolder, empty, false);

            }

            done = true;

        }

        public void finish() {

            done = true;

        }

    }

}

/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

 * 

 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.

 * 

 * The contents of this file are subject to the terms of either the GNU

 * General Public License Version 2 only ("GPL") or the Common

 * Development and Distribution License("CDDL") (collectively, the

 * "License"). You may not use this file except in compliance with the

 * License. You can obtain a copy of the License at

 * http://www.netbeans.org/cddl-gplv2.html

 * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the

 * specific language governing permissions and limitations under the

 * License.  When distributing the software, include this License Header

 * Notice in each file and include the License file at

 * nbbuild/licenses/CDDL-GPL-2-CP.  Sun designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Sun in the GPL Version 2 section of the License file that

 * accompanied this code. If applicable, add the following below the

 * License Header, with the fields enclosed by brackets [] replaced by

 * your own identifying information:

 * "Portions Copyrighted [year] [name of copyright owner]"

 * 

 * If you wish your version of this file to be governed by only the CDDL

 * or only the GPL Version 2, indicate your decision by adding

 * "[Contributor] elects to include this software in this distribution

 * under the [CDDL or GPL Version 2] license." If you do not indicate a

 * single choice of license, a recipient has the option to distribute

 * your version of this file under either the CDDL, the GPL Version 2 or

 * to extend the choice of license to its licensees as provided above.

 * However, if you add GPL Version 2 code and therefore, elected the GPL

 * Version 2 license, then the option applies only if the new code is

 * made subject to such option by the copyright holder.

 * 

 * Contributor(s):

 * 

 * Portions Copyrighted 2008 Sun Microsystems, Inc.

 */

package org.netbeans.spi.java.project.support.ui;

import java.io.FileDescriptor;

import java.io.PrintWriter;

import java.io.StringWriter;

import java.security.Permission;

import junit.framework.Assert;

/**

 *

 * @author Jaroslav Tulach <jaroslav.tulach@netbeans.org>

 */

final class CountingSecurityManager extends SecurityManager {

    private static int cnt;

    private static StringWriter msgs;

    private static PrintWriter pw;

    private static String prefix;

    public static void initialize(String prefix) {

        if (System.getSecurityManager() instanceof CountingSecurityManager) {

            // ok

        } else {

            System.setSecurityManager(new CountingSecurityManager());

        }

        cnt = 0;

        msgs = new StringWriter();

        pw = new PrintWriter(msgs);

        CountingSecurityManager.prefix = prefix;

    }

    public static void assertCounts(String msg, int expectedCnt) {

        if (expectedCnt < cnt) {

            Assert.fail(msg + "\n" + msgs + " expected: " + expectedCnt + " real: " + cnt);

        }

        cnt = 0;

        msgs = new StringWriter();

        pw = new PrintWriter(msgs);

    }

    @Override

    public void checkRead(String file) {

        if (file.startsWith(prefix)) {

            cnt++;

            pw.println("checkRead: " + file);

    //        new Exception().printStackTrace(pw);

        }

    }

    @Override

    public void checkRead(String file, Object context) {

        if (file.startsWith(prefix)) {

            cnt++;

            pw.println("checkRead2: " + file);

        }

    }

    @Override

    public void checkWrite(FileDescriptor fd) {

        cnt++;

        pw.println("Fd: " + fd);

    }

    @Override

    public void checkWrite(String file) {

        if (file.startsWith(prefix)) {

            cnt++;

            pw.println("checkWrite: " + file);

        }

    }

    @Override

    public void checkPermission(Permission perm) {

    }

    @Override

    public void checkPermission(Permission perm, Object context) {

    }

}

import junit.framework.Test;

import org.netbeans.junit.NbTestSuite;

    public static Test suite() {

        //return new NbTestSuite(PackageViewTest.class);

        return new PackageViewTest("testDiskAccessFolders");

    }

    public void testDiskAccessFolders() throws Exception {

        assertNull( "source folder should not exist yet", root.getFileObject( "src" ) );

        FileObject src = FileUtil.createFolder(root, "src");

	// Create children

        SourceGroup group = new SimpleSourceGroup(src);

        Set<String> folders = new HashSet<String>();

        for (int i = 0; i < 10000; i++) {

            String folder = "" + (i / 1000) + "/" + ((i / 100) % 10);

            FileObject fo = FileUtil.createData(

                src, 

                folder + "/File" + (i % 10) + ".java"

            );

            folders.add(folder);

        }

        MyFolderProvider.folders = folders;

        CountingSecurityManager.initialize(getWorkDirPath());

        Children ch = PackageView.createPackageView( group ).getChildren();

        Node[] compute = ch.getNodes(true);

        assertEquals("packages is 100", 100, compute.length);

        CountingSecurityManager.assertCounts("almost no touches", 250);

    }    

    public static final class MyFolderProvider implements PackagesProvider {

        static Set<String> folders;

        public void compute(Request request, Response response) {

            if (folders == null) {

                return;

            }

            for (String s : folders) {

                response.addPackage(

                    request.getSourceGroup(), 

                    request.getFolder().getFileObject(s), 

                    false

                );

            }

            folders = null;

        }

    }