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/*******************************************************************************
* Copyright (c) 2009, 2017 Cloudsmith Inc. and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Cloudsmith Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.equinox.internal.p2.touchpoint.natives.actions;
import java.io.*;
import java.util.ArrayList;
import java.util.Map;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.equinox.internal.p2.engine.Profile;
import org.eclipse.equinox.internal.p2.touchpoint.natives.*;
import org.eclipse.equinox.p2.engine.spi.ProvisioningAction;
import org.eclipse.equinox.p2.metadata.IArtifactKey;
import org.eclipse.equinox.p2.metadata.IInstallableUnit;
import org.eclipse.osgi.util.NLS;
/**
* Copies from PARM_COPY_SOURCE to PARAM_COPY_TARGET
* The optional parameter PARAM_COPY_OVERWRITE overwrites and existing file if set to true, else
* and existing file with the same name is an error. The default is false.
* If the source is a directory, a merge copy to the target is performed.
* Copy will copy files and directories (recursively).
*
*/
public class CopyAction extends ProvisioningAction {
public static final String ID = "cp"; //$NON-NLS-1$
@Override
public IStatus execute(Map<String, Object> parameters) {
return copy(parameters, true);
}
/** Perform the copy.
*
* @param parameters action parameters
* @param restoreable flag indicating if the operation should be backed up
* @return status
*/
public static IStatus copy(Map<String, Object> parameters, boolean restoreable) {
String target = (String) parameters.get(ActionConstants.PARM_COPY_TARGET);
IBackupStore backupStore = restoreable ? (IBackupStore) parameters.get(NativeTouchpoint.PARM_BACKUP) : null;
if (target == null)
return new Status(IStatus.ERROR, Activator.ID, IStatus.OK, NLS.bind(Messages.param_not_set, ActionConstants.PARM_COPY_TARGET, ID), null);
String source = (String) parameters.get(ActionConstants.PARM_COPY_SOURCE);
if (source == null)
return new Status(IStatus.ERROR, Activator.ID, IStatus.OK, NLS.bind(Messages.param_not_set, ActionConstants.PARM_COPY_SOURCE, ID), null);
String overwrite = (String) parameters.get(ActionConstants.PARM_COPY_OVERWRITE);
Profile profile = (Profile) parameters.get(ActionConstants.PARM_PROFILE);
IInstallableUnit iu = (IInstallableUnit) parameters.get(ActionConstants.PARM_IU);
String originalSource = source;
if (source.equals(ActionConstants.PARM_AT_ARTIFACT)) {
String artifactLocation = (String) parameters.get(NativeTouchpoint.PARM_ARTIFACT_LOCATION);
if (artifactLocation == null) {
IArtifactKey artifactKey = (IArtifactKey) parameters.get(NativeTouchpoint.PARM_ARTIFACT);
return Util.createError(NLS.bind(Messages.artifact_not_available, artifactKey));
}
source = artifactLocation;
}
File sourceFile = new File(source);
File targetFile = new File(target);
File[] copiedFiles = null;
try {
copiedFiles = mergeCopy(sourceFile, targetFile, Boolean.parseBoolean(overwrite), backupStore);
} catch (IOException e) {
return new Status(IStatus.ERROR, Activator.ID, IStatus.OK, NLS.bind(Messages.copy_failed, sourceFile.getPath()), e);
}
// keep copied file in the profile as memento for CleanupCopy
StringBuffer copiedFileNameBuffer = new StringBuffer();
for (int i = 0; i < copiedFiles.length; i++)
copiedFileNameBuffer.append(copiedFiles[i].getAbsolutePath()).append(ActionConstants.PIPE);
profile.setInstallableUnitProperty(iu, "copied" + ActionConstants.PIPE + originalSource + ActionConstants.PIPE + target, copiedFileNameBuffer.toString()); //$NON-NLS-1$
return Status.OK_STATUS;
}
@Override
public IStatus undo(Map<String, Object> parameters) {
return CleanupcopyAction.cleanupcopy(parameters, false);
}
/**
* Merge-copy file or directory.
* @param source
* @param target
* @param overwrite
* @throws IOException
*/
private static File[] mergeCopy(File source, File target, boolean overwrite, IBackupStore backupStore) throws IOException {
ArrayList<File> copiedFiles = new ArrayList<>();
xcopy(copiedFiles, source, target, overwrite, backupStore);
return copiedFiles.toArray(new File[copiedFiles.size()]);
}
/**
* Merge-copy file or directory.
* @param copiedFiles - ArrayList where copied files are collected
* @param source
* @param target
* @param overwrite
* @throws IOException
*/
private static void xcopy(ArrayList<File> copiedFiles, File source, File target, boolean overwrite, IBackupStore backupStore) throws IOException {
if (!source.exists())
throw new IOException("Source: " + source + "does not exists"); //$NON-NLS-1$//$NON-NLS-2$
if (source.isDirectory()) {
if (target.exists() && target.isFile()) {
if (!overwrite)
throw new IOException("Target: " + target + " already exists"); //$NON-NLS-1$//$NON-NLS-2$
if (backupStore != null)
backupStore.backup(target);
else
target.delete();
}
if (!target.exists())
target.mkdirs();
copiedFiles.add(target);
File[] children = source.listFiles();
if (children == null)
throw new IOException("Error while retrieving children of directory: " + source); //$NON-NLS-1$
for (int i = 0; i < children.length; i++)
xcopy(copiedFiles, children[i], new File(target, children[i].getName()), overwrite, backupStore);
return;
}
if (target.exists() && !overwrite)
throw new IOException("Target: " + target + " already exists"); //$NON-NLS-1$//$NON-NLS-2$
if (!target.getParentFile().exists() && !target.getParentFile().mkdirs())
throw new IOException("Target: Path " + target.getParent() + " could not be created"); //$NON-NLS-1$//$NON-NLS-2$
try {
Util.copyStream(new FileInputStream(source), true, new FileOutputStream(target), true);
} catch (IOException e) {
// get the original IOException to the log
e.printStackTrace();
throw new IOException("Error while copying:" + source.getAbsolutePath()); //$NON-NLS-1$
}
copiedFiles.add(target);
}
}
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