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/*******************************************************************************
* Copyright (c) 2012 Red Hat, Inc.
* 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:
* Red Hat Incorporated - initial API and implementation
*******************************************************************************/
package org.eclipse.linuxtools.internal.rpmstubby;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Status;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.ide.IDE;
/**
* Abstract class holding the common part of generators.
*
*/
public abstract class AbstractGenerator {
String projectName;
String specfileName;
/**
* Writes the given contents to a file with the given fileName in the
* specified project.
*/
public void writeContent() {
String contents = generateSpecfile();
InputStream contentInputStream = new ByteArrayInputStream(
contents.getBytes());
IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
IResource resource = root.findMember(new Path(projectName));
if (!resource.exists() || !(resource instanceof IContainer)) {
IStatus status = new Status(IStatus.ERROR, StubbyPlugin.PLUGIN_ID,
IStatus.OK, "Project \"" + projectName + "\" does not exist.", null);
StubbyLog.logError(new CoreException(status));
}
IContainer container = (IContainer) resource;
final IFile file = container.getFile(new Path(specfileName));
try {
InputStream stream = contentInputStream;
if (file.exists()) {
file.setContents(stream, true, true, null);
} else {
file.create(stream, true, null);
}
stream.close();
} catch (IOException e) {
StubbyLog.logError(e);
} catch (CoreException e) {
StubbyLog.logError(e);
}
Display.getCurrent().asyncExec(new Runnable() {
public void run() {
IWorkbenchPage page = PlatformUI.getWorkbench()
.getActiveWorkbenchWindow().getActivePage();
try {
IDE.openEditor(page, file, true);
} catch (PartInitException e) {
StubbyLog.logError(e);
}
}
});
}
/**
* The method that returns the string representation of the spec file.
*
* @return The specfile.
*/
public abstract String generateSpecfile();
/**
* Generate changelog
*
* @param buffer Buffer to write content to
*/
protected static void generateChangelog(StringBuilder buffer) {
buffer.append("%changelog\n");
buffer.append("#FIXME\n");
}
}
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