| /******************************************************************************* |
| * Copyright (c) 2006, 2008 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.pde.internal.ua.core.cheatsheet.comp; |
| |
| import java.io.BufferedInputStream; |
| import java.io.ByteArrayInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.PrintWriter; |
| import java.io.StringWriter; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.pde.core.IModelChangedEvent; |
| import org.eclipse.pde.internal.core.IWorkspaceModel; |
| import org.eclipse.pde.internal.core.PDECore; |
| |
| public class CompCSWorkspaceModel extends CompCSModel implements |
| IWorkspaceModel { |
| |
| private IFile fFile; |
| |
| private boolean fDirty; |
| |
| private boolean fEditable; |
| |
| /** |
| * |
| */ |
| private static final long serialVersionUID = 1L; |
| |
| /** |
| * |
| */ |
| public CompCSWorkspaceModel(IFile file, boolean editable) { |
| fFile = file; |
| fEditable = editable; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.pde.core.IEditableModel#save() |
| */ |
| public void save() { |
| try { |
| String contents = getContents(); |
| ByteArrayInputStream stream = new ByteArrayInputStream(contents |
| .getBytes("UTF8")); //$NON-NLS-1$ |
| if (fFile.exists()) { |
| fFile.setContents(stream, false, false, null); |
| } else { |
| fFile.create(stream, false, null); |
| } |
| stream.close(); |
| } catch (CoreException e) { |
| PDECore.logException(e); |
| } catch (IOException e) { |
| // Ignore |
| } |
| } |
| |
| /** |
| * @return |
| */ |
| private String getContents() { |
| StringWriter swriter = new StringWriter(); |
| PrintWriter writer = new PrintWriter(swriter); |
| setLoaded(true); |
| save(writer); |
| writer.flush(); |
| try { |
| swriter.close(); |
| } catch (IOException e) { |
| // Ignore |
| } |
| return swriter.toString(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.pde.core.IEditable#isDirty() |
| */ |
| public boolean isDirty() { |
| return fDirty; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.pde.core.IEditable#save(java.io.PrintWriter) |
| */ |
| public void save(PrintWriter writer) { |
| if (isLoaded()) { |
| getCompCS().write("", writer); //$NON-NLS-1$ |
| } |
| setDirty(false); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.pde.core.IEditable#setDirty(boolean) |
| */ |
| public void setDirty(boolean dirty) { |
| fDirty = dirty; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see |
| * org.eclipse.pde.internal.core.AbstractModel#fireModelChanged(org.eclipse |
| * .pde.core.IModelChangedEvent) |
| */ |
| public void fireModelChanged(IModelChangedEvent event) { |
| setDirty(true); |
| super.fireModelChanged(event); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see |
| * org.eclipse.pde.internal.ua.core.cheatsheet.comp.CompCSModel#isEditable() |
| */ |
| public boolean isEditable() { |
| return fEditable; |
| } |
| |
| /** |
| * @return |
| */ |
| public String getInstallLocation() { |
| return fFile.getLocation().toOSString(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.pde.internal.core.AbstractModel#getUnderlyingResource() |
| */ |
| public IResource getUnderlyingResource() { |
| return fFile; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.pde.internal.ua.core.cheatsheet.comp.CompCSModel#isInSync() |
| */ |
| public boolean isInSync() { |
| IPath path = fFile.getLocation(); |
| if (path == null) { |
| return false; |
| } |
| return isInSync(path.toFile()); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.pde.internal.ua.core.cheatsheet.comp.CompCSModel#load() |
| */ |
| public void load() throws CoreException { |
| if (fFile.exists()) { |
| InputStream stream = null; |
| try { |
| stream = new BufferedInputStream(fFile.getContents(true)); |
| try { |
| if (stream.available() > 0) |
| load(stream, false); |
| else { |
| // if we have an empty file, then mark as loaded so |
| // users changes will be saved |
| setLoaded(true); |
| stream.close(); |
| } |
| } catch (IOException e) { |
| } |
| } catch (CoreException e) { |
| } |
| } |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.pde.internal.core.IWorkspaceModel#reload() |
| */ |
| public void reload() { |
| // Underlying file has to exist in order to reload the model |
| if (fFile.exists()) { |
| InputStream stream = null; |
| try { |
| // Get the file contents |
| stream = new BufferedInputStream(fFile.getContents(true)); |
| // Load the model using the last saved file contents |
| reload(stream, false); |
| // Remove the dirty (*) indicator from the editor window |
| setDirty(false); |
| } catch (CoreException e) { |
| // Ignore |
| } |
| } |
| } |
| } |