--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/org.symbian.tools.tmw.ui/src/org/symbian/tools/tmw/ui/project/AbstractZippedApplicationImporter.java	Wed Sep 01 16:27:43 2010 -0700
@@ -0,0 +1,102 @@
+/**
+ * Copyright (c) 2010 Symbian Foundation and/or its subsidiary(-ies).
+ * All rights reserved.
+ * This component and the accompanying materials are made available
+ * under the terms of the License "Eclipse Public License v1.0"
+ * which accompanies this distribution, and is available
+ * at the URL "http://www.eclipse.org/legal/epl-v10.html".
+ *
+ * Initial Contributors:
+ * Symbian Foundation - initial contribution.
+ * Contributors:
+ * Description:
+ * Overview:
+ * Details:
+ * Platforms/Drives/Compatibility:
+ * Assumptions/Requirement/Pre-requisites:
+ * Failures and causes:
+ */
+package org.symbian.tools.tmw.ui.project;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.util.Collections;
+import java.util.Map;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipInputStream;
+
+import org.eclipse.core.resources.IContainer;
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IFolder;
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.NullProgressMonitor;
+import org.eclipse.core.runtime.Path;
+import org.eclipse.core.runtime.Status;
+import org.symbian.tools.tmw.core.runtimes.IMobileWebRuntime;
+import org.symbian.tools.tmw.core.utilities.NonClosingStream;
+import org.symbian.tools.tmw.ui.TMWCoreUI;
+
+/**
+ * This is base class for importers that work with zip-based application
+ * packages. W3C specification mandates using Zip as archive format and
+ * it looks like all mobile web runtime use Zip as their format.
+ * 
+ * @author Eugene Ostroukhov (eugeneo@symbian.org)
+ */
+public abstract class AbstractZippedApplicationImporter implements IApplicationImporter {
+    public Map<String, String> getFileFilters() {
+        return Collections.singletonMap("*.zip", "Application Archive (*.zip)");
+    }
+
+    public void extractFiles(File file, IMobileWebRuntime runtime, IProject project, IProgressMonitor monitor)
+            throws CoreException {
+        ZipInputStream zipInputStream = null;
+        try {
+            zipInputStream = new ZipInputStream(new FileInputStream(file));
+            ZipEntry entry = null;
+            while ((entry = zipInputStream.getNextEntry()) != null) {
+                if (!entry.isDirectory()) {
+                    final IPath path = getApplicationRelativePath(entry);
+                    final IFile f = project.getFile(path);
+                    if (!f.exists()) {
+                        createContainers(f.getParent());
+                        f.create(new NonClosingStream(zipInputStream), false, new NullProgressMonitor());
+                    }
+                }
+            }
+        } catch (IOException e) {
+            throw new CoreException(new Status(IStatus.ERROR, TMWCoreUI.PLUGIN_ID, String.format(
+                    "Cannot extract files from archive %s", file.getAbsoluteFile()), e));
+        } finally {
+            if (zipInputStream != null) {
+                try {
+                    zipInputStream.close();
+                } catch (IOException e) {
+                    // Do nothing
+                }
+            }
+        }
+    }
+
+    private void createContainers(IContainer parent) throws CoreException {
+        if (parent != null && !parent.exists() && parent.getType() == IResource.FOLDER) {
+            createContainers(parent.getParent());
+            ((IFolder) parent).create(false, true, new NullProgressMonitor());
+        }
+    }
+
+    /**
+     * This base calss assumes application files are in the application
+     * package root. Symbian WRT has files in the subfolder so it will need
+     * to override this method.
+     */
+    protected IPath getApplicationRelativePath(ZipEntry entry) {
+        return new Path(entry.getName());
+    }
+}