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/******************************************************************************* |
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* Copyright (c) 2009 Cloudsmith Inc. and others. |
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* All rights reserved. This program and the accompanying materials |
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* are made available under the terms of the Eclipse Public License v1.0 |
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* which accompanies this distribution, and is available at |
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* http://www.eclipse.org/legal/epl-v10.html |
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* |
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* Contributors: |
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* Cloudsmith Inc. - initial API and implementation |
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*******************************************************************************/ |
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package org.eclipse.equinox.internal.p2.touchpoint.natives.actions; |
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|
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import java.io.*; |
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import java.util.ArrayList; |
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import java.util.Map; |
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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.eclipse.equinox.internal.p2.engine.Profile; |
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import org.eclipse.equinox.internal.p2.touchpoint.natives.Activator; |
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import org.eclipse.equinox.internal.p2.touchpoint.natives.Messages; |
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import org.eclipse.equinox.internal.provisional.p2.engine.ProvisioningAction; |
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import org.eclipse.equinox.internal.provisional.p2.metadata.IInstallableUnit; |
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import org.eclipse.osgi.util.NLS; |
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|
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/** |
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* Copies from PARM_COPY_SOURCE to PARAM_COPY_TARGET |
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* The optional parameter PARAM_COPY_OVERWRITE overwrites and existing file if set to true, else |
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* and existing file with the same name is an error. The default is false. |
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* If the source is a directory, a merge copy to the target is performed. |
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* Copy will copy files and directories (recursively). |
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* |
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* @author henrik.lindberg@cloudsmith.com |
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*/ |
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public class CopyAction extends ProvisioningAction { |
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public static final String ID = "cp"; //$NON-NLS-1$ |
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public IStatus execute(Map parameters) { |
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return copy(parameters); |
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} |
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public static IStatus copy(Map parameters) { |
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String target = (String) parameters.get(ActionConstants.PARM_COPY_TARGET); |
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if (target == null) |
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return new Status(IStatus.ERROR, Activator.ID, IStatus.OK, NLS.bind(Messages.param_not_set, ActionConstants.PARM_COPY_TARGET, ID), null); |
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|
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String source = (String) parameters.get(ActionConstants.PARM_COPY_SOURCE); |
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if (source == null) |
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return new Status(IStatus.ERROR, Activator.ID, IStatus.OK, NLS.bind(Messages.param_not_set, ActionConstants.PARM_COPY_SOURCE, ID), null); |
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|
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String overwrite = (String) parameters.get(ActionConstants.PARM_COPY_OVERWRITE); |
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Profile profile = (Profile) parameters.get(ActionConstants.PARM_PROFILE); |
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IInstallableUnit iu = (IInstallableUnit) parameters.get(ActionConstants.PARM_IU); |
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|
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File sourceFile = new File(source); |
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File targetFile = new File(target); |
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File[] copiedFiles = null; |
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try { |
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copiedFiles = mergeCopy(sourceFile, targetFile, Boolean.valueOf(overwrite).booleanValue()); |
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} catch (IOException e) { |
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return new Status(IStatus.ERROR, Activator.ID, IStatus.OK, NLS.bind(Messages.copy_failed, sourceFile.getPath()), e); |
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} |
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// keep copied file in the profile as memento for CleanupCopy |
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StringBuffer copiedFileNameBuffer = new StringBuffer(); |
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for (int i = 0; i < copiedFiles.length; i++) |
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copiedFileNameBuffer.append(copiedFiles[i].getAbsolutePath()).append(ActionConstants.PIPE); |
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profile.setInstallableUnitProperty(iu, "copied" + ActionConstants.PIPE + source + ActionConstants.PIPE + target, copiedFileNameBuffer.toString()); //$NON-NLS-1$ |
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return Status.OK_STATUS; |
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} |
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public IStatus undo(Map parameters) { |
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return CleanupcopyAction.cleanupcopy(parameters); |
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} |
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/** |
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* Merge-copy file or directory. |
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* @param source |
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* @param target |
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* @param overwrite |
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* @throws IOException |
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*/ |
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private static File[] mergeCopy(File source, File target, boolean overwrite) throws IOException { |
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ArrayList copiedFiles = new ArrayList(); |
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xcopy(copiedFiles, source, target, overwrite); |
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return (File[]) copiedFiles.toArray(new File[copiedFiles.size()]); |
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} |
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|
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/** |
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* Merge-copy file or directory. |
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* @param copiedFiles - ArrayList where copied files are collected |
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* @param source |
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* @param target |
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* @param overwrite |
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* @throws IOException |
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*/ |
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private static void xcopy(ArrayList copiedFiles, File source, File target, boolean overwrite) throws IOException { |
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if (!source.exists()) |
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throw new IOException("Source: " + source + "does not exists"); //$NON-NLS-1$//$NON-NLS-2$ |
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if (source.isDirectory()) { |
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if (target.exists() && target.isFile()) { |
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if (!overwrite) |
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throw new IOException("Target: " + target + " already exists"); //$NON-NLS-1$//$NON-NLS-2$ |
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target.delete(); |
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} |
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if (!target.exists()) |
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target.mkdirs(); |
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copiedFiles.add(target); |
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File[] children = source.listFiles(); |
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for (int i = 0; i < children.length; i++) |
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xcopy(copiedFiles, children[i], new File(target, children[i].getName()), overwrite); |
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return; |
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} else if (target.exists() && !overwrite) |
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throw new IOException("Target: " + target + " already exists"); //$NON-NLS-1$//$NON-NLS-2$ |
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|
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InputStream input = null; |
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OutputStream output = null; |
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try { |
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input = new BufferedInputStream(new FileInputStream(source)); |
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output = new BufferedOutputStream(new FileOutputStream(target)); |
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byte[] buffer = new byte[8192]; |
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int bytesRead = 0; |
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while ((bytesRead = input.read(buffer)) != -1) |
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output.write(buffer, 0, bytesRead); |
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} catch (IOException e) { |
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// get the original IOException to the log |
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e.printStackTrace(); |
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throw new IOException("Error while copying:" + source.getAbsolutePath()); //$NON-NLS-1$ |
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} finally { |
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if (input != null) { |
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try { |
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input.close(); |
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} catch (IOException e) { |
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// Don't stop because of this - but log it |
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System.err.println("Exception while trying to close input stream on: " + source.getAbsolutePath()); //$NON-NLS-1$ |
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e.printStackTrace(); |
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} |
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} |
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if (output != null) { |
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try { |
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output.close(); |
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} catch (IOException e) { |
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// Don't stop because of this - but log it |
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System.err.println("Exception while trying to close output stream on: " + target.getAbsolutePath()); //$NON-NLS-1$ |
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e.printStackTrace(); |
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} |
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} |
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} |
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copiedFiles.add(target); |
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} |
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} |
