/*******************************************************************************
* Copyright (c) 2007 Exadel, Inc. and Red Hat, Inc.
* Distributed under license by Red Hat, Inc. All rights reserved.
* This program is 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:
* Exadel, Inc. and Red Hat, Inc. - initial API and implementation
******************************************************************************/
package org.jboss.tools.common.model.filesystems.impl;
import java.text.MessageFormat;
import java.util.*;
import java.io.*;
import org.jboss.tools.common.meta.action.*;
import org.jboss.tools.common.meta.action.impl.handlers.DefaultCreateHandler;
import org.jboss.tools.common.model.*;
import org.jboss.tools.common.model.plugin.ModelMessages;
import org.jboss.tools.common.model.util.*;
public class MountFileSystemHandler extends DefaultCreateHandler {
public MountFileSystemHandler() {}
public void executeHandler(XModelObject object, Properties p) throws XModelException {
if(!isEnabled(object) || data == null || data.length == 0) return;
String entity = data[0].getModelEntity().getName();
p = extractProperties(data[0]);
if(!checkOverlap(object, entity, p)) return;
setRelativeToProject(object, p);
mount(object, p, entity);
}
public XModelObject mount(XModelObject fs, Properties p, String entity) throws XModelException {
validateName(fs, p);
XModelObject c = XModelObjectLoaderUtil.createValidObject(fs.getModel(), entity, p);
addCreatedObject(fs, c, false, p);
fs.getModel().getUndoManager().addUndoable(new MountFileSystemUndo(c));
updateClassPath(c);
MoveFileSystemHandler.sortFileSystems(fs.getModel());
return c;
}
private boolean checkOverlap(XModelObject object, String entity, Properties p) {
String location = p.getProperty(XModelObjectConstants.ATTR_NAME_LOCATION);
if(location == null) return true;
boolean b = location.indexOf('%') >= 0;
location = canonize(location, object.getModel());
if(location != null && !b) p.setProperty(XModelObjectConstants.ATTR_NAME_LOCATION, location);
if(!XModelObjectConstants.ENT_FILE_SYSTEM_FOLDER.equals(entity)) return true;
location += XModelObjectConstants.SEPARATOR;
XModelObject[] cs = object.getChildren(entity);
for (int i = 0; i < cs.length; i++) {
String loc = canonize(cs[i].get(XModelObjectConstants.ATTR_NAME_LOCATION), cs[i].getModel()) + XModelObjectConstants.SEPARATOR;
if(!loc.startsWith(location) && !location.startsWith(loc)) continue;
String mes = MessageFormat.format(
"File system {0} will share files with file system {1}",
p.get(XModelObjectConstants.ATTR_NAME), cs[i].getAttributeValue(XModelObjectConstants.ATTR_NAME));
ServiceDialog d = object.getModel().getService();
int q = d.showDialog(ModelMessages.WARNING, mes, new String[]{ModelMessages.OK, ModelMessages.Cancel}, null, ServiceDialog.WARNING);
return (q == 0);
}
return true;
}
private String canonize(String location, XModel model) {
try {
location = XModelObjectUtil.expand(location, model, null);
return location == null ? null : (new File(location).getCanonicalPath()).replace('\\', '/');
} catch (IOException e) {
return location;
}
}
private void validateName(XModelObject object, Properties p) {
String name = p.getProperty(XModelObjectConstants.ATTR_NAME);
if(name != null && name.length() > 0) return;
String location = p.getProperty(XModelObjectConstants.ATTR_NAME_LOCATION);
name = location.substring(location.lastIndexOf('/') + 1);
if(name.length() == 0) name = "filesystem"; //$NON-NLS-1$
name = XModelObjectUtil.createNewChildName(name, object);
p.setProperty(XModelObjectConstants.ATTR_NAME, name);
}
private void setRelativeToProject(XModelObject object, Properties p) {
boolean isRelative = XModelObjectConstants.TRUE.equals(p.getProperty("set location relative to project")); //$NON-NLS-1$
if(!isRelative) return;
String location = canonize(p.getProperty(XModelObjectConstants.ATTR_NAME_LOCATION), object.getModel());
String project = canonize(XModelConstants.WORKSPACE_REF, object.getModel());
if(location.equals(project)) {
p.setProperty(XModelObjectConstants.ATTR_NAME_LOCATION, XModelConstants.WORKSPACE_REF);
return;
}
boolean common = false;
while(location.length() > 0 && project.length() > 0) {
int i1 = location.indexOf('/');
if(i1 < 0) i1 = location.length();
int i2 = project.indexOf('/');
if(i2 < 0) i2 = project.length();
if(i1 != i2) break;
String p1 = location.substring(0, i1);
String p2 = project.substring(0, i2);
if(!p1.equals(p2)) break;
location = location.substring(i1);
project = project.substring(i2);
if(location.startsWith(XModelObjectConstants.SEPARATOR)) location = location.substring(1);
if(project.startsWith(XModelObjectConstants.SEPARATOR)) project = project.substring(1);
common = true;
}
if(!common) return;
String s = XModelConstants.WORKSPACE_REF;
if(project.length() > 0) {
int q = new StringTokenizer(project, XModelObjectConstants.SEPARATOR).countTokens();
for (int i = 0; i < q; i++) s += "/.."; //$NON-NLS-1$
}
if(location.length() > 0) s += XModelObjectConstants.SEPARATOR + location;
p.setProperty(XModelObjectConstants.ATTR_NAME_LOCATION, s);
}
static SpecialWizard w = SpecialWizardFactory.createSpecialWizard("org.jboss.tools.common.model.project.ClassPathUpdateWizard"); //$NON-NLS-1$
public static void updateClassPath(XModelObject fs) {
if(fs.getModelEntity().getName().indexOf("ar") >= 0 && w != null) { //$NON-NLS-1$
Properties p = new Properties();
p.put("model", fs.getModel()); //$NON-NLS-1$
w.setObject(p);
w.execute();
}
}
}