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/*******************************************************************************
* Copyright (c) 2011 Wind River Systems, 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.te.core.adapters;
import java.io.IOException;
import java.net.URI;
import java.util.Map;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Platform;
import org.eclipse.tcf.te.core.activator.CoreBundleActivator;
import org.eclipse.tcf.te.runtime.model.interfaces.IModelNode;
import org.eclipse.tcf.te.runtime.persistence.interfaces.IPersistable;
/**
* Model node persistable adapter implementation.
*/
public class ModelNodePersistableAdapter implements IPersistable {
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.persistence.interfaces.IPersistable#getStorageID()
*/
@Override
public String getStorageID() {
return "org.eclipse.tcf.te.runtime.persistence.properties"; //$NON-NLS-1$
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.persistence.interfaces.IPersistable#getURI(java.lang.Object)
*/
@Override
public URI getURI(Object data) {
Assert.isNotNull(data);
URI uri = null;
// Only model nodes are supported
if (data instanceof IModelNode) {
IModelNode node = (IModelNode) data;
if (node.getName() != null && !"".equals(node.getName().trim())) { //$NON-NLS-1$
// Get the node name and make it a valid file system name (no spaces etc).
IPath path = getRoot().append(makeValidFileSystemName(((IModelNode) data).getName().trim()));
if (!"ini".equals(path.getFileExtension())) path = path.addFileExtension("ini"); //$NON-NLS-1$ //$NON-NLS-2$
uri = path.toFile().toURI();
}
// If the name is not set, check for "Path"
else if (node.getStringProperty("Path") != null && !"".equals(node.getStringProperty("Path").trim())) { //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
IPath path = new Path(node.getStringProperty("Path")); //$NON-NLS-1$
uri = path.toFile().toURI();
}
}
return uri;
}
/**
* Make a valid file system name from the given name.
*
* @param name The original name. Must not be <code>null</code>.
* @return The valid file system name.
*/
private String makeValidFileSystemName(String name) {
Assert.isNotNull(name);
return name.replaceAll("\\W", "_"); //$NON-NLS-1$ //$NON-NLS-2$
}
/**
* Returns the root location.
*
* @return The root location or <code>null</code> if it cannot be determined.
*/
public IPath getRoot() {
IPath location = null;
// Try the bundles state location first (not available if launched with -data @none).
try {
IPath path = Platform.getStateLocation(CoreBundleActivator.getContext().getBundle()).append(".store"); //$NON-NLS-1$
if (!path.toFile().exists()) path.toFile().mkdirs();
if (path.toFile().canRead() && path.toFile().isDirectory()) {
location = path;
}
} catch (IllegalStateException e) {
// Workspace less environments (-data @none)
// The users local target definition persistence directory is $HOME/.tcf/.store.
IPath path = new Path(System.getProperty("user.home")).append(".tcf/.store"); //$NON-NLS-1$ //$NON-NLS-2$
if (!path.toFile().exists()) path.toFile().mkdirs();
if (path.toFile().canRead() && path.toFile().isDirectory()) {
location = path;
}
}
return location;
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.persistence.interfaces.IPersistable#exportFrom(java.lang.Object)
*/
@Override
public Map<String, Object> exportFrom(Object data) throws IOException {
Assert.isNotNull(data);
Map<String, Object> result = null;
// Only model nodes are supported
if (data instanceof IModelNode) {
result = ((IModelNode)data).getProperties();
}
return result;
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.persistence.interfaces.IPersistable#importTo(java.lang.Object, java.util.Map)
*/
@Override
public void importTo(Object data, Map<String, Object> external) throws IOException {
Assert.isNotNull(data);
Assert.isNotNull(external);
// Only model nodes are supported
if (data instanceof IModelNode) {
IModelNode node = (IModelNode) data;
for (String key : external.keySet()) {
node.setProperty(key, external.get(key));
}
}
}
}
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