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/*******************************************************************************
* Copyright (c) 2009, 2013 Oracle. 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:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.common.core.internal.operations;
import java.util.Set;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Status;
import org.eclipse.jpt.common.core.JptCommonCoreMessages;
import org.eclipse.jpt.common.core.internal.plugin.JptCommonCorePlugin;
import org.eclipse.jpt.common.core.internal.utility.PathTools;
import org.eclipse.jpt.common.core.resource.ProjectResourceLocator;
import org.eclipse.jpt.common.utility.internal.StringTools;
import org.eclipse.wst.common.frameworks.datamodel.AbstractDataModelProvider;
public abstract class AbstractJptFileCreationDataModelProvider
extends AbstractDataModelProvider
implements JptFileCreationDataModelProperties
{
protected AbstractJptFileCreationDataModelProvider() {
super();
}
@Override
public Set<String> getPropertyNames() {
@SuppressWarnings("unchecked")
Set<String> propertyNames = super.getPropertyNames();
propertyNames.add(PROJECT);
propertyNames.add(CONTAINER_PATH);
propertyNames.add(FILE_NAME);
return propertyNames;
}
@Override
public Object getDefaultProperty(String propertyName) {
if (propertyName.equals(CONTAINER_PATH)) {
IContainer sourceLocation = getDefaultContainer();
if (sourceLocation != null && sourceLocation.exists()) {
return sourceLocation.getFullPath();
}
}
else if (propertyName.equals(FILE_NAME)) {
return getDefaultFileName();
}
return super.getDefaultProperty(propertyName);
}
protected abstract String getDefaultFileName();
// **************** validation *********************************************
@Override
public IStatus validate(String propertyName) {
IStatus status = Status.OK_STATUS;
if (propertyName.equals(CONTAINER_PATH)
|| propertyName.equals(FILE_NAME)) {
status = validateContainerPathAndFileName();
}
if (! status.isOK()) {
return status;
}
return status;
}
protected IStatus validateContainerPathAndFileName() {
IContainer container = getContainer();
if (container == null) {
// verifies container has been specified, but should be unnecessary in most cases.
// there is almost always a default, and the new file wizard does this validation as well.
return JptCommonCorePlugin.instance().buildErrorStatus(JptCommonCoreMessages.VALIDATE_CONTAINER_NOT_SPECIFIED);
}
String fileName = getStringProperty(FILE_NAME);
if (StringTools.isBlank(fileName)) {
// verifies file name has been specified, but should be unnecessary in most cases.
// there is almost always a default, and the new file wizard does this validation as well.
return JptCommonCorePlugin.instance().buildErrorStatus(JptCommonCoreMessages.VALIDATE_FILE_NAME_NOT_SPECIFIED);
}
if (container.getFile(new Path(fileName)).exists()) {
// verifies file does not exist, but should be unnecessary in most cases.
// the new file wizard does this validation as well.
return JptCommonCorePlugin.instance().buildErrorStatus(JptCommonCoreMessages.VALIDATE_FILE_ALREADY_EXISTS);
}
return Status.OK_STATUS;
}
// **************** helper methods *****************************************
protected IPath getContainerPath() {
return (IPath) this.model.getProperty(CONTAINER_PATH);
}
protected IContainer getContainer() {
IPath containerPath = getContainerPath();
return (containerPath == null) ? null : PathTools.getContainer(containerPath);
}
protected IProject getProject() {
IContainer container = this.getContainer();
return (container == null) ? null : container.getProject();
}
/**
* Return a best guess source location for the for the specified project
*/
protected IContainer getDefaultContainer() {
IProject project = (IProject) this.model.getProperty(PROJECT);
if (project != null) {
ProjectResourceLocator locator = (ProjectResourceLocator) project.getAdapter(ProjectResourceLocator.class);
return locator.getDefaultLocation();
}
return null;
}
}
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