Java Code Examples for org.eclipse.core.resources.IResource#getLocalTimeStamp()

/**
 * Check if the project properties should be read from disk.
 * 
 * @param project current project
 * @return true, if the project properties should be read from disk
 */
public static boolean isProjectPropertiesFileChanged(IProject project) {
    
    IResource settingsFile = project.findMember(LATEX_PROJECT_SETTINGS_FILE);
    if (settingsFile == null) {
        return false;
    }
    
    Long lastLoadTime = (Long) getSessionProperty(project, SESSION_PROPERTIES_LOAD);
    if (lastLoadTime == null) {
        return true;
    }
    
    long timeStamp = settingsFile.getLocalTimeStamp();
    return timeStamp > lastLoadTime.longValue();
}
 

/**
 * Find a handle to the index file of this project.
 * @param project the current project
 * @param source buildable resource inside project 
 * @return handle to index file or null if not found.
 *         Returns null also if the index file is older than the current output file
 */
private IResource findIndex(IProject project, IResource source) {
    
    IContainer srcDir = TexlipseProperties.getProjectSourceDir(project);
    if (srcDir == null) {
        srcDir = project;
    }
    
    String name = source.getName();
    String idxName = name.substring(0, name.length() - source.getFileExtension().length()) + TexlipseProperties.INPUT_FORMAT_IDX;
    IResource idxFile = srcDir.findMember(idxName);
    if (idxFile == null) {
        return null;
    }
    
    IResource outFile = TexlipseProperties.getProjectOutputFile(project);
    if (outFile.getLocalTimeStamp() > idxFile.getLocalTimeStamp()) {
        return null;
    }
    
    return idxFile;
}
 

/**
 * Find a handle to the index file of this project.
 * @param project the current project
 * @param source buildable resource inside project 
 * @return handle to index file or null if not found.
 *         Returns null also if the index file is older than the current output file
 */
private IResource findNomencl(IProject project, IResource source) {
    
    IContainer srcDir = TexlipseProperties.getProjectSourceDir(project);
    if (srcDir == null) {
        srcDir = project;
    }

    String name = source.getName();
    String nomenclName = name.substring(0, name.length() - source.getFileExtension().length()) + TexlipseProperties.INPUT_FORMAT_NOMENCL;
    IResource idxFile = srcDir.findMember(nomenclName);

    if (idxFile == null) {
        return null;
    }
    
    IResource outFile = TexlipseProperties.getProjectOutputFile(project);
    if (outFile.getLocalTimeStamp() > idxFile.getLocalTimeStamp()) {
        return null;
    }
    
    return idxFile;
}
 

/**
 * @since 2.9
 */
protected Object getLastModified(IResource resource) throws CoreException {
	IPath location = resource.getLocation();
	if (location != null) {
		return location.toFile().lastModified();
	}
	long timestamp = resource.getLocalTimeStamp();
	if (timestamp == IResource.NULL_STAMP) {
		return null;
	}
	return timestamp;
}
 

private Long getDate(final Object e) {
	final IResource r = ResourceManager.getResource(e);
	if (r != null) {
		return r.getLocalTimeStamp();
	} else {
		return Long.MAX_VALUE;
	}
}
 

@Override
public void decorate(final Object element, final IDecoration decoration) {
	final IResource r = ResourceManager.getResource(element);
	if (r != null) {
		final long date = r.getLocalTimeStamp();
		final DateFormat df = DateFormat.getInstance();
		final String dateStr = df.format(new Date(date));
		decoration.addSuffix(" - " + dateStr);
	}
}
 

/**
 * @see org.eclipse.core.resources.IResourceDeltaVisitor#visit(org.eclipse.core.resources.IResourceDelta)
 */
public boolean visit(IResourceDelta delta) throws CoreException
{
    IResource resource = delta.getResource();
    if (resource.exists() && IResource.FILE == resource.getType())
    {
        // a file found
        if (ResourceHelper.isModule(resource))
        {
            // if the spec is null, this means that we are unable to get
            // access to the spec manager
            // because it has not yet been instantiatec. Instantiating
            // it would trigger a resource change
            // event which is not allowed
            if (spec == null)
            {
                modules.add(resource);

            } else if (spec.getRootFile().getParent().equals(resource.getParent()))
            {
                // we are only concerned with modules in the same
                // directory as the root module because those are the
                // only ones allowed to be a part of the spec
                if (resource.getPersistentProperty(TLAParsingBuilderConstants.LAST_BUILT) == null)
                {
                    if (spec.getStatus() < IParseConstants.PARSED && spec.getStatus() > IParseConstants.UNKNOWN)
                    {
                        // If the property has never been set, the
                        // resource has never been built. If the
                        // current status is parsed, then it cannot be
                        // relevant because it would have been built
                        // if it were relevant. If the status is
                        // unknown, it should remain unknown. In all
                        // other cases, it is possible that the resource
                        // is relevant but it is not known because there
                        // was not a successful parse. Conservatively we
                        // should consider it relevant.
                        modules.add(resource);
                    }
                }
                // If there current spec status is a problem status (see
                // AdaptorFactory.isProblemStatus),
                // then it is not known whether a given resource is
                // relevant so all resources are considered
                // relevant. Relevant resources are not necessarily in
                // dependancy storage. Any resource that is
                // out of build when the parse status is error is added to
                // the list of modules.
                else if (Long.parseLong(resource.getPersistentProperty(TLAParsingBuilderConstants.LAST_BUILT)) < resource
                        .getLocalTimeStamp()
                        && (dependancyTable.containsKey(resource.getName()) || (spec.getStatus() < IParseConstants.PARSED && spec
                                .getStatus() > IParseConstants.UNPARSED)))
                {
                    modules.add(resource);
                }
            }
        }
    }
    // we want the visitor to visit the whole tree
    return true;
}