author | Eugene Ostroukhov <eugeneo@symbian.org> |
Thu, 29 Jul 2010 10:51:59 -0700 | |
changeset 459 | c278f0c8917f |
parent 455 | 5da55957c779 |
permissions | -rw-r--r-- |
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/** |
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* Copyright (c) 2010 Symbian Foundation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the License "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Symbian Foundation - initial contribution. |
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* Contributors: |
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* Description: |
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* Overview: |
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* Details: |
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* Platforms/Drives/Compatibility: |
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* Assumptions/Requirement/Pre-requisites: |
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* Failures and causes: |
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*/ |
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package org.symbian.tools.mtw.core.utilities; |
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|
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.io.OutputStream; |
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import java.util.zip.ZipEntry; |
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import java.util.zip.ZipOutputStream; |
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|
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import org.eclipse.core.resources.IFile; |
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import org.eclipse.core.resources.IResource; |
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import org.eclipse.core.resources.IResourceVisitor; |
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import org.eclipse.core.runtime.CoreException; |
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import org.eclipse.core.runtime.IPath; |
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import org.eclipse.core.runtime.IStatus; |
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import org.eclipse.core.runtime.Status; |
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import org.symbian.tools.mtw.core.MTWCore; |
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import org.symbian.tools.mtw.core.runtimes.IPackagerDelegate; |
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|
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/** |
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* Use this visitor to zip application if the web runtime uses zip archive as application |
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* distribution format. |
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* |
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* @author Eugene Ostroukhov (eugeneo@symbian.org) |
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*/ |
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public class ZipApplicationVisitor implements IResourceVisitor { |
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private static final int DEFAULT_BUFFER_SIZE = 65536; |
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private final ZipOutputStream zipStream; |
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private final IPackagerDelegate packager; |
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public ZipApplicationVisitor(ZipOutputStream zipStream, IPackagerDelegate packager) { |
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this.zipStream = zipStream; |
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this.packager = packager; |
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} |
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public boolean visit(IResource resource) throws CoreException { |
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IPath path = packager.getPathInPackage(resource); |
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if (path != null && resource.getType() == IResource.FILE) { |
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zip(path, resource); |
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} |
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return true; |
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} |
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private void zip(IPath path, IResource file) throws CoreException { |
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ZipEntry zipEntry = new ZipEntry(path.toString()); |
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try { |
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zipStream.putNextEntry(zipEntry); |
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if (file.getType() == IResource.FILE) { |
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InputStream contents = ((IFile) file).getContents(); |
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try { |
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copy(contents, zipStream); |
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} finally { |
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contents.close(); |
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} |
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} |
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zipStream.closeEntry(); |
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} catch (IOException e) { |
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throw new CoreException(new Status(IStatus.ERROR, MTWCore.PLUGIN_ID, String.format("Can't package %s", file |
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.getFullPath().toString()), e)); |
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} |
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} |
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public static int copy(InputStream input, OutputStream output) throws IOException { |
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long count = copyLarge(input, output); |
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if (count > Integer.MAX_VALUE) { |
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return -1; |
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} |
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return (int) count; |
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} |
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public static long copyLarge(InputStream input, OutputStream output) throws IOException { |
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byte[] buffer = new byte[DEFAULT_BUFFER_SIZE]; |
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long count = 0; |
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int n = 0; |
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while (-1 != (n = input.read(buffer))) { |
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output.write(buffer, 0, n); |
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count += n; |
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} |
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return count; |
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} |
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} |