/**
* Returns the charset explicitly set by the user for the given resource, or <code>null</code>. If
* no setting exists for the given resource and <code>recurse</code> is <code>true</code>, every
* parent up to the workspace root will be checked until a charset setting can be found.
*
* @param resourcePath the path for the resource
* @param recurse whether the parent should be queried
* @return the charset setting for the given resource
*/
public String getCharsetFor(IPath resourcePath, boolean recurse) {
Assert.isLegal(resourcePath.segmentCount() >= 1);
IProject project = workspace.getRoot().getProject(resourcePath.segment(0));
Preferences prefs = getPreferences(project, false, false);
Preferences derivedPrefs = getPreferences(project, false, true);
if (prefs == null && derivedPrefs == null)
// no preferences found - for performance reasons, short-circuit
// lookup by falling back to workspace's default setting
return recurse ? ResourcesPlugin.getEncoding() : null;
return internalGetCharsetFor(prefs, derivedPrefs, resourcePath, recurse);
}
public void setCharsetFor(IPath resourcePath, String newCharset) throws CoreException {
// for the workspace root we just set a preference in the instance scope
if (resourcePath.segmentCount() == 0) {
IEclipsePreferences resourcesPreferences =
InstanceScope.INSTANCE.getNode(ResourcesPlugin.PI_RESOURCES);
if (newCharset != null) resourcesPreferences.put(ResourcesPlugin.PREF_ENCODING, newCharset);
else resourcesPreferences.remove(ResourcesPlugin.PREF_ENCODING);
try {
resourcesPreferences.flush();
} catch (BackingStoreException e) {
IProject project = workspace.getRoot().getProject(resourcePath.segment(0));
String message = Messages.resources_savingEncoding;
throw new ResourceException(
IResourceStatus.FAILED_SETTING_CHARSET, project.getFullPath(), message, e);
}
return;
}
// for all other cases, we set a property in the corresponding project
IResource resource = workspace.getRoot().findMember(resourcePath);
if (resource != null) {
try {
// disable the listener so we don't react to changes made by ourselves
Preferences encodingSettings =
getPreferences(
resource.getProject(), true, resource.isDerived(IResource.CHECK_ANCESTORS));
if (newCharset == null || newCharset.trim().length() == 0)
encodingSettings.remove(getKeyFor(resourcePath));
else encodingSettings.put(getKeyFor(resourcePath), newCharset);
flushPreferences(encodingSettings, true);
} catch (BackingStoreException e) {
IProject project = workspace.getRoot().getProject(resourcePath.segment(0));
String message = Messages.resources_savingEncoding;
throw new ResourceException(
IResourceStatus.FAILED_SETTING_CHARSET, project.getFullPath(), message, e);
}
}
}